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Jacobsen 67958 – LF 3800 Parts & Maintenance Manual

Other manuals for 67958 – LF 3800: Dealer's Manual
Manual is about: Lightweight Fairway Mower with ROPS

Summary of 67958 – LF 3800

  • Page 1

    Parts & maintenance manual when performance matters. ™ warning if incorrectly used, this machine can cause severe injury. Those who use and maintain this machine should be trained in its proper use, warned of its dangers, and should read the entire manual before attempting to set up, operate, adjust...

  • Page 2

    © 2010, jacobsen, a textron company/textron innovations inc. “all rights reserved, including the right to reproduce this material or portions thereof in any form.” this manual contains adjustment, maintenance, troubleshooting instructions and parts list for your new jacobsen machine. This manual sho...

  • Page 3: Table Of Contents

    3 table of contents 1 safety 1.1 operating safety ............................................ 4 1.2 important safety notes ..................................5 2 specifications 2.1 product identification .....................................6 2.2 v1505-e3b engine .......................................

  • Page 4: Warning

    1 safety 4 1 safety 1.1 operating safety ______________________________________________________ 1. Safety is dependent upon the awareness, concern, and prudence of those who operate or service the equipment. Never allow minors to operate any equipment. 2. It is your responsibility to read this manua...

  • Page 5: Warning

    Safety 1 5 1.2 important safety notes ________________________________________________ this safety alert symbol is used to alert you to potential hazards. Danger - indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. Warning - indicates a potenti...

  • Page 6

    2 specifications 6 2 specifications 2.1 product identification _________________________________________________ 67971 .............................. Lf 3400, 2wd with rops, uses 5 in. (127 mm) diameter reel 67972 .............................. Lf 3400, 4wd with rops, uses 5 in. (127 mm) diameter re...

  • Page 7

    Specifications 2 7 2.4 mower__________________________________________________________________ tires: front .........................26.5 x 14 - 12: (4 ply) rear ..........................20 x 10 - 8: (2 ply) pressure ....................10-12 psi (69 - 83 kpa) battery: type............................

  • Page 8

    2 specifications 8 2.8 declaration of conformity ____________________________________________ declaration of conformity ▪ ДЕКЛАРАЦИЯ ЗА СЪОТВЕТСТВИЕ ▪ prohlÁŠenÍ o shodĚ ▪ overensstemmelseserklÆring ▪ conformiteitsverklaring ▪ vastavusdeklaratsioon ▪ vaatimustenmukaisuusvakuutus ▪ declaration de con...

  • Page 9

    Specifications 2 9 uk notified body for 2000/14/ec ▪ Нотифициран орган в Обединеното кралство за 2000/14/ЕО ▪ Úřad certifikovaný podle směrnice č. 2000/14/ec ▪ det britiske bemyndigede organ for 2001/14/ef ▪ engels adviesorgaan voor 2000/14/eg ▪ Ühendkuningriigi teavitatud asutus direktiivi 2000/14/...

  • Page 10: Caution

    2 specifications 10 2.9 accessories ____________________________________________________________ refer to the parts catalog and contact your area jacobsen dealer for a complete listing of accessories and attachments. Mower orange touch-up paint (12 oz. Spray) .............. 554598 2-post rops with s...

  • Page 11: Warning

    Adjustments 3 11 3 adjustments 3.1 general ________________________________________________________________ 1. Adjustments and maintenance should always be performed by a qualified technician. If proper adjustment cannot be made, contact an authorized jacobsen dealer. 2. Replace, do not adjust, worn...

  • Page 12: Caution

    3 adjustments 12 3.3 bedknife adjustment __________________________________________________ read section 3.2 before making the adjustment. Start adjustment at leading end of reel, followed by the trailing end. The leading end of the reel blade is that end which passes over the bedknife first during ...

  • Page 13

    Adjustments 3 13 3.5 flash attach ___________________________________________________________ installing cutting units 1. Place each cutting unit in front of its respective lift arm. Raise lift arm and position cutting unit so that yoke (t) is in line with swivel housing (s). Carefully lower arm ont...

  • Page 14

    3 adjustments 14 3.7 mow speed _____________________________________________________________ cutting quality is better at speeds well below the transport speed of the mower. An initial mow speed of five to six mph is set at the factory and should be satisfactory for most cutting conditions. Local tu...

  • Page 15

    Adjustments 3 15 3.10 neutral adjustment ___________________________________________________ neutral adjustment can only be made at the drive pump. The neutral adjustment is preset at the factory on all new mowers and replacement pumps. Further adjustment is not required unless the pump has been dis...

  • Page 16: Notice

    3 adjustments 16 3.12 front reel limit switch ________________________________________________ the front left and right lift arms are equipped with proximity switches, which signal the controller to turn off the reels.The switches are mounted to the mower frame directly behind the lift arms. If reel...

  • Page 17: Notice

    Adjustments 3 17 3.14 torque specification ___________________________________________________ jacobsen uses grade 5 plated bolts as standard, unless otherwise noted. For tightening plated bolts, use the value given for lubricated. Notice all torque values included in these charts are approximate an...

  • Page 18: Warning

    4 maintenance 18 4 maintenance 4.1 general ________________________________________________________________ 1. Adjustment and maintenance should always be performed by a qualified technician. If proper adjustments cannot be made, contact an authorized jacobsen dealer. 2. Inspect the equipment on a r...

  • Page 19: Warning

    Maintenance 4 19 4.4 air filter _______________________________________________________________ check the service indicator daily. If red band appears in the window (b) replace the element. Do not remove the element for inspection or cleaning. Unnecessary removal of the filter increases the risk of ...

  • Page 20: Caution

    4 maintenance 20 4.7 battery ________________________________________________________________ make absolutely certain the ignition switch is off and the key has been removed before servicing the battery. Tighten cables securely to battery terminals and apply a light coat of silicone dielectric greas...

  • Page 21: Warning

    Maintenance 4 21 4.10 muffler and exhaust ___________________________________________________ to protect from carbon monoxide poisoning, inspect the complete exhaust system regularly, and always replace a defective muffler. If you notice a change in the color or sound of the exhaust, stop the engine...

  • Page 22: Notice

    4 maintenance 22 4.13 hydraulic filters ______________________________________________________ the hydraulic system is protected by two 10 micron filters, a charge filter (b) and return line filter (a). Flow though the filters is monitored during operation. When pressure drop across the filters is t...

  • Page 23: Warning

    Maintenance 4 23 4.15 radiator _______________________________________________________________ check coolant level daily. Radiator should be full and recovery bottle should be up to the cold mark. Drain and refill annually. Remove the radiator cap, open the engine block drain, and the radiator drain...

  • Page 24: Warning

    4 maintenance 24 4.18 wheel mounting procedure ____________________________________________ 1. Remove dirt, grease, and oil from stud thread. Do not lubricate threads. 2. Position wheel on hub and inspect to insure full contact between mounting surface of wheel and hub or brake drum. 3. Finger tight...

  • Page 25: Warning

    Maintenance 4 25 4.20 reel backlapping ______________________________________________________ check the reel and bedknife to determine if backlapping or grinding will restore the cutting edge. If wear or damage is beyond the point where the cutting edges can be corrected by the lapping process, they...

  • Page 26: Caution

    4 maintenance 26 lamp 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 inputs outputs 4.21 storage________________________________________________________________ general 1. Wash the mower thoroughly and lubricate. Repair and paint damaged or exposed metal. 2...

  • Page 27

    Troubleshooting 5 27 5 troubleshooting 5.1 general ________________________________________________________________ the troubleshootijng chart below lists basic problems that may occur during start-up and operation. For more detailed information regarding the hydraulic and electrical systems contact...

  • Page 28

    5 troubleshooting 28 5.2 controller lamps _____________________________________________________ the controller is a solid state device that monitors and controls electrical functions. The controller receives input signals from various switches and sensors throughout the machine and transmits output ...

  • Page 29: Notice

    Troubleshooting 5 29 5.3 electrical circuits ____________________________________________________ when troubleshooting the machine using the controller always check that program active lamp (1) is on. These indicate that the controller has power and the program is active. Individual circuits can be ...

  • Page 30: Warning

    6 maintenance & lubrication charts 30 6 maintenance & lubrication charts 6.1 general ________________________________________________________________ 1. Always clean grease fittings before and after lubrication. 2. Lubricate with grease that meets or exceeds nlgi grade 2 lb specifications. Apply gre...

  • Page 31

    Maintenance & lubrication charts 6 31 6.3 lubrication chart______________________________________________________ 2 3 3 5 6 7 7 8 8 9 10 12 12 11 13 11 13 14 14 14 4 15 1 9 grease fittings f1 - 50 hours (every week) 1 swivel housing 2 lift arm 3 lift cylinders 4 lift arm pivot 5 brake pedal pivot 6 ...

  • Page 32

    7 parts catalog 32 7 parts catalog 7.1 how to use the parts catalog _________________________________________ abbreviations n/s -not serviced seperately, can only be obtained by ordering main component or kit. Ar - variable quantity or measurement is required to obtain correct adjustment. Symbols su...

  • Page 33

    Parts catalog 7 33 7.3 table of contents______________________________________________________ 1.1 .........Decals ..................................................................... 34 2.1 .........Hood ....................................................................... 36 3.1 .........Seat p...

  • Page 34: Lf 3400 / Lf 3800

    34 2 2 6 3 4 5 6 7 8 10 12 11 19 3 14 / 15 16 16 13 17 1 1 3 9 b i o d e g r a d a b l e f l u i d lf 3400™ lf 3400™ 4wd lf 3800™ lf 3800™ 4wd lf 3400™ turbo 4wd lf 3800™ turbo 4wd ma n u f actured under one or mor e of the f oll o wing u . S . Patents : xxxxxx xxxxxx xxxxxx xxxxxx 4181865 lf 3400 /...

  • Page 35: 105

    35 > change from previous revision 7 4 5 3 10 13 8 9 11 3008683 3008522 3008521 3008682 105 db l w a ! 4131663 12 4181864 4181862 4181861 lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 4111408 1 decal, bio fluid 2 3008930 1 decal, flash attach 3 3008683 2 decal, backlap loca...

  • Page 36: Lf 3400 / Lf 3800

    36 1 2 17 22 5 4 9 3 18 15 17 20 22 16 19 10 10 23 24 7 16 11 14 12 8 16 15 21 6 25 26 lf 3400 / lf 3800 2.1 hood serial no. All lf34-1.

  • Page 37: Lf 3400 / Lf 3800

    37 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 4139087 1 hood assembly, lf 3400/3800 includes items 13 ~ 16 on illustration 1.1 2 4124443 1 • foam, front 3 4124437 1 • foam, right side 4 4124436 1 • foam, left side 5 4124442 1 • foam, top 6...

  • Page 38: Lf 3400 / Lf 3800

    38 8 3 5 31 4 30 16 2 33 22 23 6 9 10 1 18 20 21 12 7 14 15 13 11 8 29 24 26 17 19 32 27 25 6 9 6 9 10 10 lf 3400 / lf 3800 3.1 seat pan michigan seat serial no. 67958 - 1651 ~ 1678 serial no. 67959 - 1651 ~ 1695 serial no. 67961 - 1651 ~ 1671 serial no. 67971 - 1651 ~ 1713 serial no. 67972 - 1651 ~...

  • Page 39: Lf 3400 / Lf 3800

    39 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 1004279 1 floorpan 2 3009292 1 seat pan 3 4139241 1 support, seat 4 4131137 1 adjuster, double latching 5 4139237 1 base, seat 6 400258 9 screw, 3/8-16 x 3/4” hex head 7 441602 4 carriage bolt,...

  • Page 40: Lf 3400 / Lf 3800

    40 8 3 5 31 4 30 16 2 33 23 6 9 10 1 18 20 22 21 12 7 14 15 13 11 8 29 24 26 17 19 32 27 25 6 9 6 9 10 10 lf 3400 / lf 3800 3.2 seat pan michigan seat.

  • Page 41: Lf 3400 / Lf 3800

    41 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 1004279 1 floorpan 2 3009292 1 seat pan 3 4139241 1 support, seat 4 4131137 1 adjuster, double latching 5 4139237 1 base, seat 6 400258 9 screw, 3/8-16 x 3/4” hex head 7 441602 4 carriage bolt,...

  • Page 42: Lf 3400 / Lf 3800

    42 8 3 19 5 6 9 4 30 16 24 25 2 6 9 22 23 18 6 9 10 10 10 1 20 21 12 7 14 15 13 11 26 27 17 8 28 29 29 31 33 34 32 lf 3400 / lf 3800 3.3 seat pan harita seat.

  • Page 43: Lf 3400 / Lf 3800

    43 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 1004279 1 floor pan 2 3009292 1 seat pan 3 4185267 1 support, seat 4 4131137 1 adjuster, double latching 5 4221081 1 base, seat 6 400258 9 screw, 3/8-16 x 3/4” hex head 7 441602 4 carriage bolt...

  • Page 44: Lf 3400 / Lf 3800

    44 2 3 5 6 7 8 8 (4wd units) 9 10 10 (2wd units) 12 11 13 14 16 18 19 20 21 22 32 / 34 32 / 33 23 24 27 28 29 30 36 31 4 17 15 25 26 1 7 ref 17 lf 3400 / lf 3800 4.1 instrument panel serial no. All.

  • Page 45: Lf 3400 / Lf 3800

    45 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 4130114 1 instrument panel includes silk screen decals 2 4129683 1 hour meter, quartz reference u-3, see 46.1 3 365943 1 fuel gauge reference u-2, see 46.1 4 3005121 1 water temperature gauge r...

  • Page 46: Lf 3400 / Lf 3800

    46 2 3 5 6 7 8 9 10 12 11 13 14 16 18 19 20 21 22 23 24 27 28 29 4 17 15 25 26 1 27 26 20 2 26 27 14 21 27 23 27 22 27 6 28 lf 3400 / lf 3800 5.1 traction pedal linkage serial no. All lf34-4.

  • Page 47: Lf 3400 / Lf 3800

    47 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 1003288.7 1 hydro pivot assembly 2 352726 2 • bushing 3 3007230 1 stop, mow speed 4 3003474 1 grip, pedal 5 3003475 1 grip, pedal 6 366974 2 rod end 7 4125831 1 switch, proximity reference sw-7...

  • Page 48: Lf 3400 / Lf 3800

    48 2 3 5 6 7 8 9 10 12 11 13 14 16 18 19 20 21 22 23 4 17 15 1 13 18 15 9 14 16 7 24 lf 3400 / lf 3800 6.1 brake pedal linkage serial no. All lf34-5.

  • Page 49: Lf 3400 / Lf 3800

    49 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 4142455 1 bracket, brake 2 4125831 1 switch, proximity reference sw-8, see 46.1 3 3006327 1 shaft, turn assist 4 3007606 1 lever, parking brake 5 4129466 1 mount, brake 6 1003616 1 brake arm 7 ...

  • Page 50: Lf 3400 / Lf 3800

    50 4 5 6 7 8 9 10 13 14 15 16 17 19 20 21 22 42 27 28 29 30 31 33 (brake cable) 42 22 1 2 3 18 10 11/12 25/26 32 10 23 23 20 16 17 24 34 35 35 36 37 39 35 43 40 41 38 34 34 lf 3400 / lf 3800 7.1 frame and front axle serial no. All.

  • Page 51: Lf 3400 / Lf 3800

    51 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 5002573 2 tire 2 5002574 2 rim 3 360111 2 valve, inflation 4 1001757 2 wheel motor see 40.1 5 557623 2 • key 6 557624 2 • nut, hex 7 4130197 1 frame includes four (4) of item 10 8 366871 2 • bu...

  • Page 52: Lf 3400 / Lf 3800

    52 1 2 2 3 3 4 4 5 5 6 6 7 8 this structure's proctective capability may be impaired by structural damage, over turn, or alteration. If any of these conditions occur, the structure must be replaced. ! Warning 557844 5002952 lf 3400 / lf 3800 8.1 rops serial no. All.

  • Page 53: Lf 3400 / Lf 3800

    53 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 67844 1 rops 2 5002952 1 • decal, seat belt warning 3 557844 1 • decal, warning 4 4139437 1 • seat belt kit 5 n/s 2 • • screw, 7/16-20 hex head 6 n/s 2 • • flat washer 7 5000465 8 • screw, 1/2-...

  • Page 54: Lf 3400 / Lf 3800

    54 1 2 3 4 5 6 7 8 9 10 12 11 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 9 9 9 4 16 15 17 15 20 15 25 29 31 31 26 32 lf 3400 / lf 3800 9.1 2wd steering 2wd units only serial no. 67945 - all serial no. 67947 - all.

  • Page 55: Lf 3400 / Lf 3800

    55 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 3006981 2 tire 2 1003638 2 rim 3 360111 2 inflation valve 4 361648 6 washer, thrust 5 361647 2 bearing, thrust 6 471214 2 fitting, grease 7 461393 2 pin, spring 1/4 x 2” 8 117139 1 steering axl...

  • Page 56: Lf 3400 / Lf 3800

    56 15 13 9 8 15 20 6 14 11 11 38 12 9 17 16 10 17 15 30 36 34 1 26 7 4 9 9 4 5 4 31 30 3 2 24 33 32 19 22 23 21 18 29 35 37 25 16 20 28 27 15 lf 3400 / lf 3800 10.1 4wd steering 4wd units only serial no. 67946 - all serial no. 67948 - all serial no. 67949 - all serial no. 67950 - all lf34-8.

  • Page 57: Lf 3400 / Lf 3800

    57 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 3006981 2 tire 2 1003638 2 rim 3 360111 2 inflation valve 4 361648 6 washer, thrust 5 361647 2 bearing, thrust 6 471214 2 fitting, grease 7 461393 2 pin, spring 1/4 x 2” 8 117139 1 steering axl...

  • Page 58: Lf 3400 / Lf 3800

    58 1 2 3 4 5 6 7 8 9 25 10 12 11 13 14 15 16 17 18 19 20 21 22 23 24 11 11 lf 3400 / lf 3800 11.1 tilt steering serial no. 67958 - 1651 ~ 1766 serial no. 67959 - 1651 ~ 1840 serial no. 67960 - 1651 ~ 1654 serial no. 67961 - 1651 ~ 1693 serial no. 67971 - 1651 ~ 1835 serial no. 67972 - 1651 ~ 1863.

  • Page 59: Lf 3400 / Lf 3800

    59 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 5002918 1 actuator, gas spring 2 5002919 1 cable, actuator 3 2811346 1 tower, steering 4 4146775 1 pump, steering see 45.1 339979 3 • adapter, straight 339974 2 • adapter, straight 5 443828 1 •...

  • Page 60: Lf 3400 / Lf 3800

    60 1 2 3 29 30 7 8 8 9 10 11 13 12 28 26 15 16 17 18 19 20 21 22 23 24 25 12 11 4 5 6 14 27 lf 3400 / lf 3800 11.2 tilt steering serial no. 67958 - 1767 and up serial no. 67959 - 1841 and up serial no. 67960 - 1655 and up serial no. 67961 - 1694 and up serial no. 67971 - 1836 and up serial no. 67972...

  • Page 61: Lf 3400 / Lf 3800

    61 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 5002918 1 actuator, gas spring 2 5002919 1 cable, actuator 3 2811346 1 tower, steering 4 4212980 1 shaft, steering 5 4201840 1 • seal, steering shaft 6 443828 1 • nut, 5/8-18 hex jam 7 3010651 ...

  • Page 62: Lf 3400 / Lf 3800

    62 non-turbo units 2 3 5 6 7 8 9 10 12 11 ref 13 14 16 18 19 21 22 23 24 27 28 29 30 31 34 4 17 15 26 25 35 26 32 1 11 7 ref 22 turbo units 12 22 22 22 41 42 42 28 30 26 24 20 29 33 28 37 26 39 40 38 36 30 a a a lf 3400 / lf 3800 12.1 radiator and air cleaner serial no. All lf34-10

  • Page 63: Lf 3400 / Lf 3800

    63 lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 3001965 1 air filter 5000919 1 • air cleaner element 5000920 1 • cover 5000921 1 • valve 2 3001388 1 bracket, air filter 3 4119873 1 shroud, rear frame 4 4121722 1 bracket, air cleaner mounting 5 4131951 1 shroud, radiator fa...

  • Page 64: Lf 3400/ Lf 3800

    64 ref. Negative battery cable 1 2 3 14 15 18 19 20 21 22 23 24 25 26 27 28 29 30 31 24 24 6 7 10 12 13 21 16 17 4/5 16 17 8 9 11 22 30 2 20 a a 32 33 34 turbo engine lf 3400/ lf 3800 13.1 engine assembly and mounting serial no. All.

  • Page 65: Lf 3400 / Lf 3800

    65 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 4162400 1 engine, kubota v1505-e3b lf 3400, lf 3800 1 4162421 1 engine, kubota v1505-t-e3b lf 3400 turbo, lf 3800 turbo 2 366879 3 isolator, engine 3 1003239 1 front engine mount 4 1003260 1 le...

  • Page 66: Lf 3400 / Lf 3800

    66 > change from previous revision 1 2 3 4 5 6 7 8 9 10 3 7 lf 3400 / lf 3800 14.1 engine exhaust serial no. All item part no. Qty. Description serial numbers/notes 1 1004653 1 muffler lf 3400 & 3800 only 1 1002931 1 muffler lf 3400 turbo, lf 3800 turbo 2 1004598 1 tailpipe 3 363586 6 screw, m8-1.25...

  • Page 67: Lf 3400 / Lf 3800

    67 > change from previous revision 1 2 4 10 12 11 14 15 16 17 10 3 5 6 7 8 9 13 lf 3400 / lf 3800 15.1 pump mounting serial no. All item part no. Qty. Description serial numbers/notes 1 2810006 1 pump, traction 5003034 1 • seal kit 5003432 1 • control kit 5003433 1 • shaft seal kit 5003434 1 • syste...

  • Page 68: Lf 3400 / Lf 3800

    68 a a b b connect to engine fuel injector overflow. Connect to engine fuel pump 1 2 3 4 5 6 7 8 9 10 12 11 13 14 15 16 17 18 19 19 20 21 22 23 19 18 18 18 13 15 17 18 18 lf 3400 / lf 3800 16.1 fuel and hydraulic tanks serial no. All.

  • Page 69: Lf 3400 / Lf 3800

    69 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 132647 1 valve, shut off 2 3001279 1 switch, float reference sw-9, see 46.1 3 3002397 1 plug, magnetic 339899 1 • o-ring 4 3009204 1 fuel tank 5 3005871 1 hydraulic tank 6 3005872 1 shell, tank...

  • Page 70: Lf 3400 / Lf 3800

    70 > change from previous revision 1 2 3 4 5 6 7 8 2 2 2 3 6 lf 3400 / lf 3800 17.1 2wd traction hydraulics serial no. 67945-1601 and up serial no. 67947-1601 and up serial no. 67951-1601 and up item part no. Qty. Description serial numbers/notes 1 1003462 1 hose, pump to upper traction tee 2 339994...

  • Page 71: Lf 3400 / Lf 3800

    71 > change from previous revision 2 3 5 6 7 8 9 10 12 11 13 14 16 4 15 1 2 13 12 2 13 13 8 7 2 2 3 lf 3400 / lf 3800 18.1 4wd traction hydraulics serial no. 67946-1601 and up serial no. 67948-1601 and up serial no. 67949-1601 and up serial no. 67950-1601 and up item part no. Qty. Description serial...

  • Page 72: Lf 3400 / Lf 3800

    72 > change from previous revision a b a b p t g 10 9 8 1 2 3 front lift valve rear reel valve 1 2 3 4 5 5 6 8 9 10 12 11 14 16 16 7 17 1 15 15 13 17 9 to lift valve p port to lift valve t port from gear pump to steering cylinder aux in out lt rt charge (inner) filter lf 3400 / lf 3800 19.1 charge p...

  • Page 73: Lf 3400 / Lf 3800

    73 > change from previous revision lf 3400 / lf 3800 20.1 gear pump hydraulics serial no. All 1 2 3 16 4 5 6 7 8 9 10 13 15 12 11 14 6 9 6 9 5 item part no. Qty. Description serial numbers/notes 1 365959 1 strainer, tank mounted 362743 1 • o-ring 2 340090 1 adapter, 90° 3 1003992 1 tube, gear pump i...

  • Page 74: Lf 3400 / Lf 3800

    74 1 2 3 4 5 6 8 9 10 11 8 12 14 13 15 16 4 7 19 20 18 17 lf 3400 / lf 3800 21.1 return hydraulics serial no. All.

  • Page 75: Lf 3400 / Lf 3800

    75 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 4129656 1 hose, oil cooler 2 2812271 1 tube, drain 3 1004312 1 tube, right front motor drain 4 339999 2 adapter, straight 5 4123166 1 check valve, tee assembly 6 4129642 1 hose, oil cooler 7 41...

  • Page 76: Lf 3400 / Lf 3800

    76 > change from previous revision 6 7 10 12 11 7 1 2 3 4 5 7 6 6 7 8 11 10 6 12 9 10 11 lf 3400 / lf 3800 22.1 hydraulic valve & filter mounting item part no. Qty. Description serial numbers/notes 1 123015 1 charge filter 556417 1 • head 2811255 1 • oil filter cartridge 556419 1 • charge pressure s...

  • Page 77

    77 > change from previous revision 1 2 3 4 5 6 9 7 8 10 10 10 10 10 2 7 9 7 9 7 4 7 9 9 right front cylinder center front cylinder left front cylinder g 10 9 8 1 2 3 lift valve 5 gang units 23.1 front lift hydraulics serial no. All item part no. Qty. Description serial numbers/notes 1 1003344 1 hose...

  • Page 78: Lf 3400 / Lf 3800

    78 > change from previous revision 9 8 1 2 13 15 9 8 5 3 3 4 10 11 12 6 7 9 9 4 9 lf 3400 / lf 3800 24.1 rear lift hydraulics serial no. All item part no. Qty. Description serial numbers/notes 1 1003352 1 hose, left rear to right rear base ports 2 1003351 1 hose, left rear to right rear rod ports 3 ...

  • Page 79: Lf 3400 / Lf 3800

    79 > change from previous revision 2 3 5 6 7 8 9 10 12 11 13 14 16 4 15 1 12 10 15 13 14 15 11 10 10 16 10 11 16 10 lf 3400 / lf 3800 25.1 front reel hydraulics serial no. All item part no. Qty. Description serial numbers/notes 1 1003337 1 hose, valve to right front motor front reel valve port a 2 1...

  • Page 80: Lf 3400 / Lf 3800

    80 > change from previous revision 2 3 5 6 7 8 9 10 4 1 10 7 7 6 3 10 9 7 10 1 lf 3400 / lf 3800 26.1 rear reel hydraulics serial no. All.

  • Page 81

    81 > change from previous revision item part no. Qty. Description serial numbers/notes 1 1003338 1 hose, valve to right rear motor 2 1003443 1 hose, right rear to left rear motor 3 1003335 1 hose, left rear motor to valve 4 1003449 1 hose, left rear drain 5 1003448 1 hose, right rear drain 6 339989 ...

  • Page 82: Lf 3400 / Lf 3800

    82 lift cylinder hoses steering hoses reel motor hoses reel motor hoses fuel hoses steering hoses front reel drain 6 7 4 8 3 5 6 4 5 15 7 10 8 9 17 1 3 1 2 3 4 5 reel motor hoses 16 15 7 8 traction hoses traction hoses 4wd 2wd 5 10 1 5 10 11 10 12 10 5 5 3 14 10 3 2wd 6 6 fuel lines steering hoses l...

  • Page 83: Lf 3400 / Lf 3800

    83 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 445795 ar nut, 5/16-18 spiralock flange 2 441614 1 carriage bolt, 5/16-18 x1” 3 3007558 ar clamp, double tube 4 345666 ar clamp, 1/2” i.D. 5 409811 ar screw, 5/16-18 x 5/8” thread cutting 6 445...

  • Page 84: Lf 3400 / Lf 3800

    84 30 outside yokes only. 31 32 32 1 2 5 6 7 8 9 12 11 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 18 11 11 6 6 17 19 7 7 8 8 10 17 19 28 17 19 9 19 32 19 19 32 32 3 4 10 11 11 8 8 7 7 19 19 6 6 32 17 19 6 32 17 31 30 33 lf 3400 / lf 3800 28.1 lift arms serial no. All.

  • Page 85: Lf 3400 / Lf 3800

    85 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 4170623 1 left front lift arm 2 4170624 1 right front lift arm 3 4170626 1 left rear lift arm 4 4170627 1 right rear lift arm 5 4170625 1 center lift arm 6 3006539 10 • bushing 2 per lift arm 7...

  • Page 86: Lf 3400 / Lf 3800

    86 a b c d e f g h j k l m a - headlight b - lift arm limit switch c - fuel level sender/ instrument panel d - seat switch e - oil float switch f - glow plugs g - fuel solenoid h - charge filter switch j - engine oil pressure switch k - temperature sender l - 4wd valve (4wd only) m - reel valve 11 2...

  • Page 87: Lf 3400 / Lf 3800

    87 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 ------------ 1 tray, battery see 7.1 2 4122840 2 headlight 4123183 1 • bulb reference l-1 and l-2, see 46.1 3 4122841 1 controller reference u-6, see 46.1 4 5003282 2 • fuse, 20 amp reference f...

  • Page 88: Lf 3400/ Lf 3800

    88 2 3 5 6 7 8 9 12 11 13 14 16 18 19 20 21 22 23 24 27 28 29 31 33 4 17 15 25 26 34 32 1 35 36 37 10 30 2 3 4181863 4182520 lf 3400/ lf 3800 30.1 five inch reel assembly lf 3400, lf 3400 turbo serial no. All.

  • Page 89: Lf 3400 / Lf 3800

    89 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 5003087 1 frame, reel 2 4182520 2 • decal, danger 3 4181863 1 • decal, warning 4 5003053 1 7 blade left hand reel 4 5003054 1 7 blade right hand reel 5 1004786 1 bearing housing 6 500534 1 • be...

  • Page 90: Lf 3400 / Lf 3800

    90 2 3 5 6 7 8 9 10 12 11 13 14 16 18 19 20 21/22 23 24 28 29 4 17 15 25 26/27 1 12 8 19 lf 3400 / lf 3800 31.1 five inch reel assembly lf 3400, lf 3400 turbo serial no. All.

  • Page 91: Lf 3400 / Lf 3800

    91 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 1000770 1 rear roller see 36.1 2 1002224 2 zerk bolt 3 446142 2 lockwasher, 3/8 heavy 4 400264 2 screw, 3/8-16 x 1-1/4” hex head 5 453011 2 flat washer, 3/8 6 345510 2 spacer 7 2000065 1 castin...

  • Page 92: Lf 3400 / Lf 3800

    92 2 3 3 5 6 7 8 9 10 12 11 13 14 16 18 19 22 20 21 40 23 24 27 28 29 30 31 33 4 17 15 25 26 34 37 38 39 35 36 32 1 18 18 34 27 38 39 33 35 36 26 14 4182520 lf 3400 / lf 3800 32.1 seven inch reel assembly lf 3800 and lf 3407 serial no. All.

  • Page 93: Lf 3400 / Lf 3800

    93 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 2810472 1 reel, 11 blade used on 67848 1 2810471 1 reel, 9 blade used on 67858 2 5002609 1 frame, 7” reel 3 4182520 2 • decal, danger 4 2811399 1 bedknife backing assembly 5 503460 1 • bedknife...

  • Page 94: Lf 3400 / Lf 3800

    94 3 5 7 12 13 14 18 19 20 21 22 4 17 15 25 2 6 8 9 10 11 13 14 16 23 24 27 28 29 26 lf 3400 / lf 3800 33.1 seven inch reel assembly lf 3800 and lf 3407 serial no. All.

  • Page 95: Lf 4675 / Lf 4677

    95 > change from previous revision lf 4675 / lf 4677 item part no. Qty. Description serial numbers/notes 1 123268 1 front roller see 35.1 2 1002446 1 rear roller, 24” serial no. 67848-1601 ~ 1899,see 37.1 2 1003728 1 rear roller, 22” serial no. 67848-1900 and up,see 37.1 2 1003728 1 rear roller, 22”...

  • Page 96: Lf 3400 / Lf 3800

    96 > change from previous revision 2 3 5 6 7 8 9 10 11 4 1 lf 3400 / lf 3800 34.1 down pressure spring serial no. All item part no. Qty. Description serial numbers/notes 1 461397 1 roll pin, 1/4 x 1-1/4” 2 453017 1 flat washer, 1/2 3 400268 1 screw, 3/8-16 x 1-3/4” hex head 4 3008593 1 tube, down pr...

  • Page 97: Lf 3400 / Lf 3800

    97 > change from previous revision 2 3 5 6 7 8 9 10 12 11 4 1 lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 3003416 1 shaft 2 3000115 1 tube ◆ 3 500534 2 bearing, cup and cone 4 471214 2 grease fitting ◆ 5 338647 2 grease seal ◆ 6 n/s 16 spacer ◆ 7 3004882 2 grease seal 8 3...

  • Page 98: Lf 3400 / Lf 3800

    98 > change from previous revision 2 3 5 6 7 8 4 1 lf 3400 / lf 3800 36.1 rear roller part number 1000770 serial no. All item part no. Qty. Description serial numbers/notes 1 3001654 1 shaft, roller 2 3001655 1 tube, roller 3 3001656 2 seal, grease 4 5000625 2 bearing, cup and cone 5 3000983 2 seal,...

  • Page 99: Lf 3400 / Lf 3800

    99 > change from previous revision 2 3 5 6 4 1 lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 1002445 1 tube, 24” roller 1 1003727 1 tube, 22” roller 2 3005318 1 shaft, 24” roller 2 3008027 1 shaft, 22” roller 3 3005156 2 sleeve, wear 4 3004882 2 seal, grease 5 500534 2 bear...

  • Page 100: Lf 3400 / Lf 3800

    100 > change from previous revision 1 2 3 4 5 6 7 8 9 7 6 lf 3400 / lf 3800 38.1 brake assemblies serial no. All item part no. Qty. Description serial numbers/notes 1 340603 2 bracket, brake mounting 116881 1 disk brake, r.H. 116882 1 disk brake, l.H. 2 590259 4 • nut, 3/8-24 3 549441 2 • v-plate 4 ...

  • Page 101: Lf 3400 / Lf 3800

    101 > change from previous revision 1 2 3 3 4 5 5 6 6 7 8 9 lf 3400 / lf 3800 39.1 reel valve part number 4135578 serial no. All item part no. Qty. Description serial numbers/notes 1 5003080 1 flow control 5003579 1 • flow control seal kit 2 4136815 1 solenoid valve 339909 4 • o-ring 3 4135552 2 coi...

  • Page 102: Lf 3400 / Lf 3800

    102 > change from previous revision 7 8 9 10 12 11 13 14 15 16 17 18 19 20 21 22 1 2 3 4 5 6 lf 3400 / lf 3800 40.1 front wheel motor part number 1001757 serial no. All item part no. Qty. Description serial numbers/notes 1 558066 8 screw, torx 2 5002110 1 front retainer 3 558063 1 shaft and bearing ...

  • Page 103: Lf 3400 / Lf 3800

    103 > change from previous revision 1 2 3 4 5 6 7 8 2 2 2 9 10 11 lf 3400 / lf 3800 41.1 rear wheel motor part number 390859 serial no. All item part no. Qty. Description serial numbers/notes 1 a 1 seal exclusion 2 a 4 seal, 3” i.D. 3 a 1 back up ring 4 a 1 shaft seal 5 554781 1 shaft and bearing ki...

  • Page 104: Lf 3400 / Lf 3800

    104 > change from previous revision p t t g 10 9 8 1 2 3 4 6 front top rear 2 / 7 3 4 4 5 6 6 8 1 lf 3400 / lf 3800 42.1 lift valve part number 4135566 serial no. All item part no. Qty. Description serial numbers/notes 1 5003144 1 relief valve 5003579 1 • relief valve seal kit 2 5001355 3 pilot oper...

  • Page 105: Lf 3400 / Lf 3800

    105 > change from previous revision 1 1 2 3 4 5 / 10 6 7 7 7 8 8 8 8 8 8 8 8 9 9 front, left and top view rear, right and bottom view item part no. Qty. Description serial numbers/notes 1 4134530 2 coil reference k-1 and k-2, see 46.1 2 5003096 1 solenoid valve 5003578 1 • solenoid valve seal kit 3 ...

  • Page 106: Lf 3400 / Lf 3800

    106 > change from previous revision 1 2 3 lf 3400 / lf 3800 43.1 reel motor part number 2822503 (five inch reel) serial no. All item part no. Qty. Description serial numbers/notes 1 845269 1 o-ring 2 5003140 2 relief valve 3 5003688 1 face plate 5003589 1 seal kit.

  • Page 107: Lf 3400 / Lf 3800

    107 > change from previous revision lf 3400 / lf 3800 44.1 reel motor part number 1002620 (seven inch reel) serial no. All item part no. Qty. Description serial numbers/notes 1 3006021 1 o-ring 2 5003140 2 relief valve 3 5003485 1 face plate 4 5003031 1 seal kit not shown 5 4102440 1 shaft, output 1...

  • Page 108: Lf 3400 / Lf 3800

    108 38 1 3 2 16 4 29 31 32 34 33 37 35 36 6 7 17 4 18 19 20 21 22 11 23 24 25 26 27 28 5 8 11 9 4 12 13 14 4 10 15 11 30 lf 3400 / lf 3800 45.1 steering valve part number 4146775 serial no. 67958 - 1651 ~ 1766 serial no. 67959 - 1651 ~ 1840 serial no. 67960 - 1651 ~ 1654 serial no. 67961 - 1651 ~ 16...

  • Page 109: Lf 3400 / Lf 3800

    109 > change from previous revision lf 3400 / lf 3800 item part no. Qty. Description serial numbers/notes 1 443108 4 locknut, 5/16-18 center 2 n/s 1 port cover 3 c 1 seal, o-ring 4 c 4 seal, o-ring 5 c 4 seal, o-ring 6 443828 1 nut, 5/8-18 hex jam 7 n/s 4 special bolt 8 n/s 1 port manifold 9 b 3 spr...

  • Page 110: Lf 3400 / 3800

    110 a b c d e f g h j k l m n sw-6 sw-13 1 1 2 2 2 3 r db og/wh og/bk lb/wh pk/bu ye/bu gy/rd og/wh ye ye og/y e db pu/gn pk dg dg tn/bk db pu/gn tn/bk + – k-11 k-10 u-7 sw-2 sw-3 cb-1 l-1 l-3 l-5 l-4 l-6 l-2 r-3 m-1 b-1 r-2 u-1 u-2 u-3 r-1 k-1 k-2 l l b s s g g i og/wh og/wh og/wh og/wh og/bk og/wh...

  • Page 111: Lf 3400 / 3800

    111 bk 1-5 1-4 3-2 3-8 grd-1 4-1 4-2 4-3 4-4 2-1 3-12 2-12 1-2 1-7 1-8 1-9 1-10 1-11 1-12 1-1 2-2 2-6 2-5 2-8 2-11 1-6 1-3 3-4 3-5 3-3 3-6 3-7 pk/bu ye /b u og/y e og/y e og/pk og/pk select 3 select 4 select 2 select 1 star t rela y glo w plug rela y 4wd glo w plug light lights hyd le v el light swi...

  • Page 112: Lf 3400 / 3800

    112 lf 3400 / 3800 item reference illustration part number description serial numbers/notes b-1 see 29.1 366931 battery cb-1 see 29.1 361439 50 amp circuit breaker (alternator) f-1 see 29.1 5003282 20 amp fuse (ignition circuit) included in controller f-2 see 29.1 5003282 20 amp fuse (lights) includ...

  • Page 113: Lf 3400 / 3800

    113 lf 3400 / 3800 sw-15 not shown cruise control switch (option) sw-16 see 28.1 4125831 left reel level proximity switch u-1 see 4.1 3005121 temperature gauge u-2 see 4.1 365943 fuel gauge u-3 see 4.1 4129683 hour meter u-4 see 4.1 366670 horn u-5 not shown cruise control module (option) u-6 see 29...

  • Page 114: Lf 3400 / Lf 3800

    114 a b p g t a b p t .5 ci .5 ci .5 ci 3625 psi 3625 psi supply .036 drain .031 285 psi 2.81 ci displacement control tow valve reverse diag. Forward diag 3000 rpm a b traction pump gear pump rear reel valve g front reel valve 1167 psi 1167 psi lr reel motor rr reel motor * * 1167 psi lf reel motor ...

  • Page 115: Lf 4675 / Lf 4677

    115 1 2 3 4 6 8 9 10 g p t t left front cylinder center cylinder left rear cylinder right rear cylinder right front cylinder steering unit in out aux lt rt 4.13 ci 1450 psi 450 psi .026 .040 .040 .040 .040 .040 .040 .040 .040 .052 one way 25 psi 25 psi 10 micron charge filter 19.0 ci 19.0 ci front w...

  • Page 116: Lf 3400/ Lf 3800

    116 x w w w x w x w w-x o-ring face seal size o-ring boss dash size w-x o-ring face seal size o-ring boss dash size w-x o-ring face seal size w-x o-ring face seal size o-ring face seal size w-x o-ring face seal size o-ring face seal size o-ring face seal size w-x o-ring face seal size o-ring face se...

  • Page 117: Lf 3400 / Lf 3800

    117 > change from previous revision lf 3400 / lf 3800 adapter part number. Dash size adapter type (w) o-ring (x) o-ring (y) o-ring (z) o-ring 339974 4-6 straight adapter 339908 339897 339979 6-6 straight adapter 339909 339897 339985 8-10 straight adapter 339910 339899 339989 10-10 straight adapter 3...

  • Page 118: Fluids and Compounds

    Fluids and compounds * refer to the parts & maintenance manual for the correct hydraulic oil requirements for your machine. Jacobsen offers a high usage parts catalog illustrating commonly used parts through easy to read line drawings. See your local jacobsen dealer for a copy. Hydraulic fluid* 5001...

  • Page 119: Index

    119 index 1000480...................... 89 1000770...................... 91 1001757...................... 51 1002031................ 55 , 57 1002032................ 55 , 57 1002153...................... 67 1002154...................... 67 1002224...................... 91 1002226........................

  • Page 120: Index

    120 index 3008432.......................85 3008438.......................91 3008439.......................91 3008521.......................35 3008522.......................35 3008593.......................96 3008601.......................93 3008673.................73 , 75 3008682.......................

  • Page 121: Index

    121 index 4139450................ 39 , 41 4140094...................... 51 4142455...................... 49 4143527.................... 104 4146775...................... 59 4146797.................... 109 4148857...................... 73 4154700.................... 104 4156720...................... ...

  • Page 122

    Jacobsen, a textron company 11108 quality drive, charlotte, nc 28273 www.Jacobsen.Com 800-848-1636 when performance matters. ™ equipment from jacobsen is built to exacting standards ensured by iso 9001 and iso 14001 registration at all of our manufacturing locations. A worldwide dealer network and f...