background image

 Landa SLT/SL

X Kubota Diesel Operator Manual  •  9.807-540.0  •  Rev. 6/13

PRESSURE 

W

ASHER  

Tr

oub

leshooting Guide

14

TROUBLESHOOTING

PROBLEM

POSSIBLE CAUSE

SOLUTION

LOW WATER
TEMPERATURE

Improper fuel or water in fuel

Replace with clean and proper fuel.

Low fuel pressure

Increase fuel pressure.

Weak fuel pump

Check fuel pump pressure. Replace pump  
if needed.

Fuel filter partially clogged

Replace as needed.

Soot build-up on coils not 
allowing heat transfer

Clean coils.

Improper burner nozzle

Contact your local Landa Dealer.

WATER  
TEMPERATURE  
TOO HOT

Incoming water to machine 
warm or hot

Lower incoming water temperature.

Fuel pump pressure too high

See specifications for proper fuel pressure.

Fuel pump defective

Replace fuel pump.

Detergent line sucking air

Tighten all clamps. Check detergent lines  
for holes

Defective temperature switch

Replace.

Incorrect fuel nozzle size

Contact your local Landa Dealer. 

Insufficient water supplied

Check water G.P.M. to machine.

Restricted water flow

Check nozzle for obstruction, proper size.

PUMP NOISY

Air in suction line

Check water supply and connections on 
suction line.

Broken or weak inlet or 
discharge valve springs

Check and replace if necessary.

Excessive matter in valves

Check and clean if necessary.

Worn bearings

Check and replace if necessary.

PRESENCE OF 
WATER IN OIL

Oil seal worn

Check and replace if necessary.

High humidity in air

Check and change oil twice as often.

WATER DRIPPING  
FROM UNDER PUMP

Piston packing worn

Check and replace if necessary.

O-Ring plunger retainer worn

Check and replace if necessary.

Cracked piston

Check and replace if necessary.

Pump protector

Lower water supply pressure. Do not run 
with spray gun closed longer than 2 minutes.

Summary of Contents for SLT6-32624E

Page 1: ...O R USE ONLY STO RE INDO ORS As se mb led in US A Use Appr oved Dete rgen t Only Cont ains com pone nts from one or more of the follo wing coun tries Unite d State s Chin a Italy Japa n and Thai land...

Page 2: ...ngine is being pre heated When the light turns off the engine can be started Low Oil When the light is on it means check the oil level Add oil if needed Battery is Not Charging When the light is on it...

Page 3: ...th serial number and date of purchase and keep in a safe place for future reference CONTENTS Landa SLT SLX Kubota Diesel Operator Manual 9 807 540 0 Rev 6 13 Introduction General Safety Information 4...

Page 4: ...KEEP WATER SPRAY AWAY FROM ELECTRICAL WIRING WARNING Keep wand hose and water spray away from electric wiring or fatal electric shock may result 4 All installations must comply with local codes Contac...

Page 5: ...a fall due to slippery surfaces IMPORTANT SAFETY INFORMATION In an overfilling situation additional precautions are necessary to ensure that the situation is handled in a safe manner WARNING Risk of i...

Page 6: ...sure 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 mac...

Page 7: ...arge from pump protector onto floor This system prevents internal pump damage 9 80 1 42 7 0 OF F GLST DO NOT OVE RLO AD GEN ERA TOR Units equip ped with optio nal gene rator shou ld not exce ed 1000 w...

Page 8: ...proper tank STEP 5 Before installing nozzle turn on water supply and run machine allowing water to flush through the system until clear Pull the spring loaded collar of the wand coupler collar back to...

Page 9: ...ead engine manual pro vided The keyed ignition is located on the control panel Simply turn key to first position Glow plug light will illuminate When light goes out turn key to start second position S...

Page 10: ...tely 6 feet square and always apply detergent from bottom to top Allow detergent to remain on surface 1 3 minutes Do not allow detergent to dry on surface If surface appears to be drying simply wet do...

Page 11: ...uel deposits during shortage Such additives may be added to the gasoline in the fuel tank of the engine or to the gasoline in a storage container After Extended Storage CAUTION Prior to restarting tha...

Page 12: ...eplace with valve kit Obstruction in spray nozzle Remove obstruction Leaking pressure control valve Rebuild or replace as needed Slow engine RPM Set engine speed at proper specifications Pump sucking...

Page 13: ...and replace as needed Flow solenoid malfunction Replace if needed FLUCTUATING PRESSURE Valves worn Check and replace if necessary Blockage in valve Check and replace if necessary Pump sucking air Chec...

Page 14: ...r Tighten all clamps Check detergent lines for holes Defective temperature switch Replace Incorrect fuel nozzle size Contact your local Landa Dealer Insufficient water supplied Check water G P M to ma...

Page 15: ...viscosity of detergent Dilute detergent to specifications Hole in detergent line s Repair hole Low detergent level Add detergent if needed PUMP RUNNING NORMALLY BUT PRESSURE LOW ON INSTALLATION Pump s...

Page 16: ...ight load operation X X X X Incomplete engine run in X X X Engine overload X X X X X X X Excessive parasitic load X X X Valve lash insufficient excessive X X X X Injection timing out of spec advanced...

Page 17: ...ot possible then mix a 50 50 solution of anti freeze and water in the float tank Turn the engine on to siphon the anti freeze mixture through the machine If com pressed air is available an air fitting...

Page 18: ...off highway diesel fuel or EPA low sulfur on highway fuel for non CARB certified engines is allowed CARB certified engines must consume only EPA low sulfur diesel fuels conforming to EPA 40 CFR 86 11...

Page 19: ...things should be checked First check the fuel to be certain that kerosene or No 1 home heating fuel is being used Next check the air adjustment on the burner LANDA Sure Fire Oil Burner Burner Air Adj...

Page 20: ...nk wrap bend back insulation tabs and fold back blanket 7 Remove bolts that hold down coil to bottom wrap 8 Remove coil 9 Replace or repair any insulation found to be torn or broken 10 Remove insulati...

Page 21: ...0 hours Filter Every 200 hours Air Cleaner Inspect Every 50 hours Clean Every 3 months Battery Level Check monthly Engine Fuel Filter 500 hours or 6 months Spark Plug Maintenance 500 hours or 6 months...

Page 22: ...ARRANTY SERVICE While not required for warranty service we request that you register your LANDA pressure washer by returning the com pleted registration card In order to obtain warranty service on ite...

Page 23: ......

Page 24: ...Form 9 807 540 0 Revised 6 13 Printed in U S A...

Reviews: