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Landa SLT Operator's Manual - Important Safety Information
Landa SLT/SLX Diesel • 8.914-003.0 • Rev. 12/11
5
PRESSURE WASHER
OPERATOR’S MANUAL
IMPORTANT SAFETY INFORMATION
21. Do not allow acids, caustic or abrasive fluids to pass
through the pump.
22. Never run pump dry or leave spray gun closed
longer than 1-2 minutes.
23. Machines with shut-off spray gun should not be
operated with the spray gun in the off position for
extensive periods of time as this may cause dam-
age to the pump.
24. Protect discharge hose from vehicle traffic and
sharp objects. Inspect condition of high pressure
hose before using or bodily injury may result.
25. Before disconnecting discharge hose from water
outlet, turn burner off and open spray gun to al-
low water to cool below 100° before stopping the
machine. Then open the spray gun to relieve pres-
sure. Failure to properly cool down or maintain the
heating coil may result in a steam explosion.
26. Do not overreach or stand on unstable support.
Keep good footing and balance at all times.
27. Do not operate this machine when fatigued or under
the influence of alcohol, prescription medications,
or drugs.
28. In oil burning models, use only kerosene, No. 1
home heating fuel, or diesel. If diesel is used, add
a soot remover to every tankful.
Follow the maintenance instructions speci-
fied in the manual.
Summary of SLT
Page 1
Operator’s manual for technical assistance or the dealer nearest you, consult our web page at www.Landa.Com slt5-30824e 1.110-519.0 slt6-32824e 1.110-521.0 slt8-30824e 1.110-523.0 slx10-25824e 1.110-526.0 slt/slx diesel engine 8.914-003.0
Page 2: Contents
Contents 2 model number ______________________________ serial number ______________________________ date of purchase ____________________________ the model and serial numbers will be found on a decal attached to the pressure washer. You should record both serial number and date of purchase and keep ...
Page 3: Important Safety
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 3 pressure washer operator’s manual introduction & important safety information thank you for purchasing this pressure washer. We reserve the right to make changes at any time without incurring any obligation. Owner/user responsibility: the owner and/o...
Page 4: Important Safety Information
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 4 15. Be certain all quick coupler fittings are secured before using pressure washer. Risk of injection or severe injury to persons. Keep clear of nozzle. Warning warning: high pressure devel- oped by these machines wi...
Page 5: Important Safety Information
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 5 pressure washer operator’s manual important safety information 21. Do not allow acids, caustic or abrasive fluids to pass through the pump. 22. Never run pump dry or leave spray gun closed longer than 1-2 minutes. 23. Machines with shut-off spray gun...
Page 6: Component Identification
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 6 component identification pump — delivers a specific gpm to the high pressure nozzle which develops pressure. Spray gun — controls the application of water and detergent onto cleaning surface with trigger device. Incl...
Page 7: Assembly Instructions
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 7 pressure washer operator’s manual assembly instructions step 1: attach a 5/8" water supply hose to inlet connector. Minimum flow should be 10 gpm depending on model of machine. Step 3: attach variable pressure control wand to spray gun using teflon t...
Page 8: Operating Instructions
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 8 operating instructions step 1: read engine warning and operating instructions prior to turn- ing on the water. Check for water leaks; tighten as needed. Step 2: read engine manual pro- vided. The keyed ignition is lo...
Page 9: Thermal Pump
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 9 pressure washer operator’s manual warning: some detergents may be harmful if inhaled or ingested, causing severe nau- sea, fainting or poisoning. The harmful elements may cause property damage or severe injury. Step 1: use detergent designed specific...
Page 10: Shutting Down and Clean-Up
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 10 shutting down and clean-up caution: always store your pressure washer in a location where the temperature will not fall below 32°f (0°c). The pump in this machine is susceptible to permanent damage if frozen. Freeze...
Page 11: Troubleshooting
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 11 pressure washer troubleshooting guide troubleshooting problem possible cause solution low operating pressure faulty pressure gauge install new gauge. Insufficient water supply use larger supply hose; clean filter at water inlet. Old, worn or incorre...
Page 12: Troubleshooting
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 pressure washer troubleshooting guide 12 troubleshooting problem possible cause solution burner will not light (continued from previous page) fuel reaching combustion chamber check fuel pump for proper flow. Check solenoid flow switch on machines with ...
Page 13: Troubleshooting
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 13 pressure washer troubleshooting guide troubleshooting problem possible cause solution water temperature too high insufficient water supplied check water gpm to machine. Restrict water flow check nozzle for obstruction, proper size pump noisy air in ...
Page 14: Maintenance & Service
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 14 maintenance & service preventative maintenance check to see that water pump is properly lubricated. • follow winterizing instructions to prevent freeze damage to pump and coils. • always neutralize and flush deterge...
Page 15: Maintenance & Service
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 15 pressure washer operator’s manual removal of soot and heating coil in the heating process, fuel residue in the form of soot deposits may develop on the heating coil pipe and block air flow which will affect burner combustion. When soot has been dete...
Page 16: Maintenance & Service
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 16 maintenance & service burner nozzle keep the tip free of surface deposits by wiping it with a clean, solvent-saturated cloth, being careful not to plug or enlarge the nozzle. For maximum efficiency, replace the nozz...
Page 17: Maintenance
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 17 pressure washer operator’s manual maintenance this pressure washer was produced with the best available materials and quality craftsmanship. However, you as the owner have certain responsibilities for the correct care of the equipment. Attention to ...
Page 18
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 18 hot water outlet sal ida del agua calie nte sor tie d'ea u cha ude 89140030-1 6 exploded view - burner assembly - slt 24 17 38 8 11 15 10 16 19 21 39 13 22 23 9 7 16 19 1 5 4 2 3 20 12 14 18 40 41 27 28 29 26 25 30 ...
Page 19
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 19 pressure washer operator’s manual slt burner assembly parts list item part no. Description qty 1 8.706-958.0 hose barb, 1/4" barb x 1/4" pipe, 90° 1 2 8.709-158.0 filter, fuel/h20 separator 1 3 8.706-941.0 hose barb, 1/4" barb x 1/4" ml pipe 1 4 8.7...
Page 20: Exploded View - Slt
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 20 ignition ignicion/ ignittion temper ature tempertura /temperature hour met er horometro/c hronometre burne r quema dor/br uleu r voltmet er vol timetro/voltmetre gr een 25 ° yello w 15 ° red 0° white 40° 0 165 13 0 ...
Page 21: Exploded View - Slt
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 21 pressure washer operator’s manual exploded view - slt hig h p re ss ur e p um ps ® exp ose d pu lley s an d belt s ca n ca use inju ry pre cau cion /ave rtis sem ent war ning exp ose d pu lley s an d belt s ca n ca use inju ry pre cau cion /ave rtis...
Page 22
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 22 slt exploded view parts list item part no. Description qty 1 9.802-071.0 trim, 750 b2 x 1/16", black 4 ft. 2 9.802-082.0 cap, fuel 1 3 8.706-600.0 battery box, large 1 4 8.706-955.0 hose barb, 1/4" barb x 1/8" ml pi...
Page 23
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 23 pressure washer operator’s manual slt exploded view parts list item part no. Description qty 66 9.802-126.0 plug, 1/2" jic, flare 1 67 8.900-802.0 label, landa/stripe 1 68 8.706-505.0 isolator, vibration mount, 150 lb. 8 69 9.800-006.0 label, “hot/c...
Page 24: Exploded View - Slx
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 24 exploded view - slx ignition ignici on/ign ittion temperature tem per tura /tempera tur e hour meter horometro /chr onometre burne r quemad or/b ruleu r voltm ete r voltimetro/v oltmetre gre en 2 5° yello w 15 ° red...
Page 25: Exploded View - Slx
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 25 pressure washer operator’s manual exploded view - slx hig h p re ss ur e p um ps ® exp ose d pu lley s an d belt s ca n ca use inju ry pre cau cion /ave rtis sem ent war ning exp ose d pu lley s an d belt s ca n ca use inju ry pre cau cion /ave rtis...
Page 26
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 26 slx exploded view - parts list item part no. Description qty 1 9.802-071.0 trim, 750 b2 x 1/16", black 4 ft. 2 9.802-082.0 cap, 18 fuel 1 3 8.706-600.0 battery box, large 1 4 8.706-955.0 hose barb, 1/4" barb x 1/8" ...
Page 27
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 27 pressure washer operator’s manual slx exploded view - parts list item part no. Description qty 76 8.932-965.0 label, warning- exposed pulleys 2 77 9.803-532.0 isolator, skid 4 78 9.804-003.0 screw, 1/4" x 3/4" bh soc cs 8 79 9.800-034.0 label, clear...
Page 28
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 28 exploded view - slx burner assembly hot water outlet salid a del agua calien te sort ie d'ea u chau de 89140030-2 24 15 22 10 7 8 17 19 11 21 13 39 16 40 23 38 7 17 19 1 5 4 2 3 6 20 12 14 18 41 42 35 25 9 27 33 32 ...
Page 29
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 29 pressure washer operator’s manual item part no. Description qty 1 8.706-958.0 hose barb, 1/4" barb x 1/4" pipe, 90° 1 2 8.709-158.0 filter, fuel/h20 separator 1 3 8.706-941.0 hose barb, 1/4" barb x 1/4" ml pipe 1 4 8.706-827.0 elbow, 1/4" street 1 5...
Page 30: Control Panel Parts List
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 30 exploded view - control panel control panel parts list item part no. Description qty 1 8.712-159.0 voltmeter, 120vac 1 2 9.803-895.0 thermostat, 240° 1 3 9.802-451.0 burner switch 1 4 9.802-283.0 hour meter 1 5 8.91...
Page 31: Control Panel Parts List
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 31 pressure washer operator’s manual control panel parts list item part no. Description qty 22 8.712-353.0 nozzle, saqcmeg, 0005, red (slt 5-30824e) 1 8.712-354.0 nozzle, saqcmeg, 1505, yellow (slt 5-30824e) 1 8.712-355.0 nozzle, saqcmeg, 2505, green (...
Page 32
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 32 89140030-6 exploded view - 5, 6, 8 gpm pump assemblies 14 8 8 6 7 23 17 18 19 20 22 21 2 1 4 24 11 16 15 13 9 10 9 3 5 5 14 23 17 18 19 20 34 21 26 1 11 16 15 13 26 1 2 slt 5-3000 slt 8-3000 27 27 29 12 9 4 5 9 10 5...
Page 33
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 33 pressure washer operator’s manual 5, 6, 8 gpm pump assembly parts list item part no. Description qty 1 8.706-846.0 tee, 3/4" female pipe, brass (5-3000, 6-3200 gpm) (8-3000 gpm) 2 2 8.706-881.0 nipple, 3/4" pipex1/2" pipe 1 3 9.803-557.0 elbow, 3/4"...
Page 34
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 34 exploded view - 10 gpm pump assembly 10 gpm pump/unloader assembly parts list item part no. Description qty 1 8.706-846.0 tee, 3/4" female pipe 2 2 8.706-799.0 nipple, 3/4" close 2 3 8.707-230.0 valve, 1" brass, 3-w...
Page 35: Exploded View - Float Tank
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 35 pressure washer operator’s manual 89140030-8 exploded view - float tank float tank parts list 6 3 8 7 3 4 2 1 5 item part no. Description qty 1 8.707-061.0 strainer, 1/2" basket (5-3000, 6-3200 gpm) 1 (8-3000, 10-2500 gpm) 2 2 9.802-128.0 nipple, 1/...
Page 36: Valve Assembly Parts List
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 36 exploded view - valve assembly valve assembly parts list item part no. Description qty 1 9.800-029.0 label, vhp steam valve 1 2 8.900-825.0 label, detergent control valve 1 3 9.802-187.0 valve flow control w/meterin...
Page 37
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 37 pressure washer operator’s manual exploded view - spray gun assembly 6, 7 4 1 3 2 high pressure item part no. Description qty 1 9.802-166.0 coupler, 3/8" female 1 9.802-100.0 quick coupler o-ring, 3/8" replacement only 1 2 8.739-072.0 hose, 3/8" x 5...
Page 38
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 38 burner assembly exploded view burner assembly exploded view parts list 9.804-053.0 (7-00010) sm 230v 9.802-556.0 (7-00011) sm 120v slt5 item part no. Description qty 1 7-21844u fuel pump w/120v solenoid 1 7-51843u s...
Page 39
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 39 pressure washer operator’s manual cf800 burner assembly exploded view item part no. Description qty 1 8.718-216.0 nozzle line assy (atc cf60khs) includes air tube, head, nozzle gun assy. 1 2 8.717-367.0 nozzle, 4.5 80b (7-00001, 7-00050) (slt8, slx1...
Page 40: Parts Specifications
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 pressure washer specifications 40 hi-pres pump pump pump pulley bushing pump belt engine pulley engine bushing generator pulley generator bushing generator belt model psi nozzle model # part # pulley part # bushing part # belt(qty) part# engine engine ...
Page 41: Parts Specifications
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 41 pressure washer specifications parts specifications generator hi-pres pump pump pump pulley bushing pump belt engine pulley engine bushing generator pulley generator bushing generator belt model psi nozzle model # part # pulley part # bushing part #...
Page 42
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 42 torque specs item # ft.-lbs. 17 75 18 45 27 18 37 10 48 30 53 7.6 lt.1 series pump exploded view lt.1 series pump exploded view parts list 8.904-869.0 lt4035.1 right 8.904-870.0 lt4035.1 left 8.904-871.0 lt4040.1 ri...
Page 43
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 43 pressure washer operator’s manual lt.1 series pump parts list (cont) item part no. Description qty 39* see kit o-ring Ø1.78 x10.82 3 40* see kit teflon ring 3 41* see kit plunger 3 42* see kit copper spacer 3 43 9.803-143.0 plunger rod 3 44 9.803-15...
Page 44
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 44 lx.1 series pump exploded view 8.904-888.0 lx 8030r.1 8.904-889.0 lx 8030l.1 8.904-892.0 lx 1025r.1 8.904-891.0 lx 1025l.1 torque specs item # ft. Lbs. 15 95 16 60 25 8 35 10 46 30 52 7.6 item part no. Description q...
Page 45
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 45 pressure washer operator’s manual lx.1 series pump exploded view parts list (cont.) item part no. Description qty 37* see kit o-ring Ø1.78x10.82 3 38* see kit teflon ring 3 39* see kit plunger 25mm 3 40* see kit copper spacer 3 41 9.803-143.0 plunge...
Page 46
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 46 vrt3 unloader exploded view and parts list unloader adjustment procedures 1. Remove lock nut (item 19). 2. Remove adjustment knob (item 18). 3. Loosen the two (2) nuts (item 15), move them upward on stem (item 8) un...
Page 47
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 47 pressure washer operator’s manual item# part # description kit qty 1 8.717-192.0 nut, locking 1 2 8.717-269.0 handle, red 1 3 70-140021 space, anti-friction d 1 4 70-120204 plate d 1 5 70-090024 spring d 1 6 8.717-403.0 stem nut d 1 7 9.803-191.0 o-...
Page 48
Landa slt/slx diesel • 8.914-003.0 • rev. 12/11 operator’s manual pressure washer 48.
Page 49
Pressure washer warranty landa limited new product warranty pressure washers what this warranty covers all landa pressure washers are warranted by landa to the original purchaser to be free from defects in materials and workmanship under normal use, for the periods specified below. This limited warr...
Page 50
Form #8.914-003.0 • revised 12/11 • printed in u.S.A..