Dealer’s 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, or servic...
2 contents this manual contains safety and operating instructions for your new jacobsen mower. This manual should be stored with the equipment for reference during operation. Before you operate your mower, you and each operator you employ should read the manual carefully in its entirety. By followin...
Safety 1 3 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...
1 safety 4 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 potentia...
Controls 2 5 2 controls 2.1 icons ___________________________________________________________________ warning never attempt to drive the mower unless you have read the safety and operation manual and know how to operate all controls correctly. Familiarize yourself with the icons shown above and what...
2 controls 6 ! 41 3 166 3 4wd 2wd 77 9 3 110 ° c 170 200 2 3 0 ° f ! Warning 1. Re a d oper a tor s m a n ua l, do not a llow u ntr a ined oper a tor s to us e m a chine. 2. Keep s hield s in pl a ce a nd h a rdw a re s ec u rely f as tened. 3 . Before yo u cle a n, a dj us t or rep a ir thi s e qu ...
Controls 2 7 2.2 controls _______________________________________________________________ a. Tilt steering lever pull lever up to release steering column. Tilt column up or down to position desired. Release lever to lock steering column in place. B. Parking brake lock/release to lock parking brake, ...
2 controls 8 k. Backlap switch the backlap switch allows the mowers to rotate in reverse for backlapping. Forward - for normal operation (mowing) the switch must be set to the off (0) position. Reverse - when backlapping, the cutting units must be operated in the reverse direction. Set switch to the...
Controls 2 9 2.3 control panel _________________________________________________________ o. Hydraulic oil level / horn switch this switch is used to test the alarm system or disable the alarm after a low oil level has been detected. Keep switch in its on position when starting and operating tractor....
2 controls 10 2.4 operator alerts_______________________________________________________ the electronic controller monitors vital machine systems. It uses an audible alarm and warning lights to alert the operator of conditions requiring immediate action. When an alert occurs follow the general guide...
Set-up 3 11 3 set-up 3.1 general ________________________________________________________________ the set-up and testing of the unit should always be performed by a trained technician, familiar with the operation of this equipment. Read each instruction completely and make sure you understand it bef...
3 set-up 12 3.3 reels __________________________________________________________________ 1. If installing five inch reels, apply moly ep grease to female spline on reel, and insert reel coupler (n) into the bearing housing before attaching reel motor. 2. Remove hardware (p) from the outside front ro...
Set-up 3 13 3.5 interlock system __________________________________________________________ 1. The interlock system prevents the engine from starting unless the parking brake is engaged, the traction pedal is in neutral, and the reel switch is off. The system also stops the engine if the operator le...
4 adjustments 14 4 adjustments 4.1 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...
Adjustments 4 15 4.3 bedknife adjustment ___________________________________________________ read section 4.2 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...
4 adjustments 16 4.5 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 onto...
Adjustments 4 17 4.7 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...
4 adjustments 18 4.10 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...
Adjustments 4 19 4.12 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...
4 adjustments 20 4.14 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 and...
Troubleshooting 5 21 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...
5 troubleshooting 22 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 ...
Troubleshooting 5 23 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 ...
6 lubrication 24 6 lubrication 6.1 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 traction pedal pivot 7 ball joint 8 steering pivot 9 steering...
Pre-delivery checklist product no. 67971 - lf 3400 2wd product no. 67972 - lf 3400 4wd product no. 67958 - lf 3800 2wd product no. 67959 - lf 3800 4wd product no. 67960 - lf 3400 turbo 4wd product no. 67961 - lf 3800 turbo 4wd tractor_________________________ check: ❏ wheel lug torque 85 - 95 ft. Lb...
Jacobsen, a textron company 11108 quality drive, charlotte, nc 28273 www.Jacobsen.Com 800-848-1636 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 factory trained technicians b...
