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28

Maintenance

Troubleshooting

PROBLEM

POSSIBLE CAUSE

SOLUTION

LOW OPERATING 

PRESSURE

Faulty pressure gauge

Install new gauge.

Insufficient water supply

Use larger garden hose; clean filter washer at water 
inlet.

Old, worn or incorrect spray nozzle

Match nozzle number to machine and/or replace 
with new nozzle.

Plumbing or hose leak

Check plumbing system for leaks. 
Re-tape leaks with teflon tape.

Faulty or mis-adjusted unloader 
valve (where applicable)

Adjust unloader for proper pressure. 
Install repair kit when needed.

Worn packing in pump

Install new packing kit.

Fouled or dirty inlet or discharge 
valves in pump

Clean inlet or discharge valves.

Worn inlet or discharge valves

Replace with valve kit.

DETERGENT 

NOT 

DRAWING

Air leak

Tighten all clamps. 
Check detergent lines for holes.

Valve in the injector head may be 
blocked, dirty or damaged

Clean or replace valve in injector.

Filler screen on detergent suction 
hose plugged

Clean or replace.

Dried up detergent plugging 
metering valve

Disassemble and clean thoroughly.

High viscosity of detergent

Dilute detergent to specifications.

Hole in detergent line(s)

Repair hole.

Low detergent level

Add detergent if needed.

Discharge water temperature above 
180°F

Lower discharge water temperature.

PUMP RUNNING 

NORMALLY BUT 

PRESSURE LOW 

ON INSTALLATION

Pump sucking air

Check water supply and possibility of 
air seepage.

Valves sticking

Check and clean or replace if necessary.

Unloader valve seat faulty

Check and replace if necessary.

Nozzle incorrectly sized

Check and replace if necessary 
(See serial plate for proper size).

Worn piston packing

Check and replace in necessary.

FLUCTUATING 

PRESSURE

Valves worn

Check and replace if necessary.

Blockage in valve

Check and replace if necessary.

Pump sucking air

Check water supply and air seepage at joints in 
suction line.

Worn piston packing

Check and replace if necessary.

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.

Karcher HDS 3.5/40 GE MT Operator’s Manual  9.807-942.0 - C

Содержание Trailer HDS Series

Страница 1: ...r HDS Series Hot Water Diesel Heated Operator s Manual MODELS HDS 3 5 40 GE MT 1 103 844 0 HDS 3 5 4 0 Ge VMT 1 110 118 0 To locate your local K rcher Commercial Pressure Washer Dealer nearest you vis...

Страница 2: ...Owner and or user must study and maintain for future reference the manufacturers instructions Save These Instructions This manual should be considered a permanent part of the machine and should remain...

Страница 3: ...ly Instructions 17 Installation 18 Operating Instructions 19 Detergents General Operating Techniques 20 Shutting Down And Clean Up 21 Storage 22 Maintenance Preventative Maintenance 23 Maintenance And...

Страница 4: ...g or still hot AVERTISSEMENT Risque d incendie Ne pas ajouter de carburant pendant que la machine fonctionner ou est encore chaude WARNING Do not use gasoline crankcase draining or oil containing gaso...

Страница 5: ...ains avant de commencer Le non respect de cette consigne pourrait mener des blessures caus es par le mouvement violent de la lance 12 Never make adjustments on machine while in operation 13 Be certain...

Страница 6: ...tions specified in the manual Reporting Safety Defects If you believe that your trailer has a defect which could cause a crash or could cause injury or death you should immediately inform the National...

Страница 7: ...ame of your trailer and have the required information printed on them They also list the maximum load that can be placed on the trailer without exceeding the load limits of the tires or the trailers o...

Страница 8: ...warnings supplied in this manual Also read the information supplied with your tow vehicle so you know and understand it s limitations Never Tow the Trailer Before Checking Coupler and latch assembly s...

Страница 9: ...the ball the latch should close firmly Keep the latch mechanism lightly oiled and clean Items to check for are as follows 1 Latch does not grasp ball securely Check the ball size Make sure the ball a...

Страница 10: ...tongue the chain on the left side of the trailer tongue attached to the right side of the ball hitch the chain on the right side of the trailer tongue attached to the left side of the ball hitch This...

Страница 11: ...n supplied on the example tire label and VIN tag check the tire size and capacity of your trailer as shown on the VIN tag on your trailer Proper Weight Distribution Tongue Weight Ensuring that your tr...

Страница 12: ...La roulette doit tre en position relev e lors du remorquage de l appareil STEP 1 Release the quick release pin by rotating it clock wise Pull Quick release pin from receptacle Rotate the caster clock...

Страница 13: ...press down on the brake pedal until it engages on the back tires To release the brake push the center of the brake to release see that it has disengaged from the back tire CAUTION This brake has a sp...

Страница 14: ...nly if ball is properly seated in the coupler Tires Before mounting tires onto wheels make certain that the rim size and contour is approved for the tire as shown in the Tire and Rim Association Yearb...

Страница 15: ...Secondary pressure release in the unlikely event the unloader valve fails Unloader Valve Safety device which when the spray gun closes prevents over pressurization NOTE If trigger on spray gun is rele...

Страница 16: ...es for fastener part numbers NOTE Fastener assembly torque to install handle 10 ft lbs due to hollow tube handle Safety Rod installation Slide the rod through both holes in the tabs To secure rod bend...

Страница 17: ...on threads Engage safety latch to prevent from triggering gun STEP 6 On electric start models you will need to install a battery making sure that the red cable is attached to the positive terminal Us...

Страница 18: ...f poorly ventilated locations or areas where exhaust fans may cause an insufficient supply of oxygen Sufficient combustion can only be obtained when there is a sufficient supply of oxygen available fo...

Страница 19: ...rely and pull trigger STEP 3 Turn the engine key switch to the on position till the engine starts Karcher HDS 3 5 40 GE MT Operator s Manual 9 807 942 0 C NOTE High pressure nozzle must be inserted at...

Страница 20: ...ischarging the warm water onto the ground This thermal device prevents internal damage to the pump Cleaning Tips Pre rinse cleaning surface with fresh water Place detergent suction tube directly into...

Страница 21: ...pressure wand handle for low pressure or connect the black detergent nozzle Pull trigger on spray gun and siphon water for one minute STEP 4 Turn garden hose water off Open the spray gun to relieve r...

Страница 22: ...inked 6 Store the machine and accessories in a room which does not reach freezing temperatures CAUTION Failure to follow the above directions will result in damage to your pressure washer ATTENTION Le...

Страница 23: ...mpering with the factory settings may cause personal injury and or property damage and will void the manufacturer s warranty Winterizing Procedure Damage due to freezing is not covered by warranty Adh...

Страница 24: ...by operating the machine and checking to see that when the trigger on the spray gun is in the off position the burner is not firing ATTENTION Une inspection p riodique est recom mand e pour s assurer...

Страница 25: ...l inlet temperatures that are at seasonal extremes higher or lower in locations where the temperature changes are beyond moderate temperatures of between 40 F and 90 F Colder temperatures will make fo...

Страница 26: ...compressed air 4 Hand pack each bearing individually using a premium lithium base wheel bearing grease 5 Reinstall the hub reversing the procedure above using the bearing adjustment procedures below...

Страница 27: ...pin over the end of the spindle and the other leg over the nut Tap legs slightly to set Cotter pin must be tight Posi lube Lubrication Procedure 1 Remove the rubber cap at end of the grease cap 2 Usin...

Страница 28: ...ssemble and clean thoroughly High viscosity of detergent Dilute detergent to specifications Hole in detergent line s Repair hole Low detergent level Add detergent if needed Discharge water temperature...

Страница 29: ...CHINE SMOKES WHILE BURNER UNIT IS RUNNING OR UNIT SMOKES AT COLD START ONLY WHEN BURNER IS OFF Improper air adjustment Readjust air bands on burner assembly Fuel pressure is low 140 psi for burner Adj...

Страница 30: ...chedule Engine Oil SAE 10W 30 Inspect Daily Change After first 25 hours Filter Every 50 hours Air Cleaner Inspect Every 50 hours or monthly Clean Every 3 months Battery level Check monthly Engine Fuel...

Страница 31: ...on Parts Inspect for bending loose fasteners wear X Hangers Inspect welds for cracks Wheel Nuts bolts Tighten to specified torque values Re torque after first 50 miles of use and periodically re check...

Страница 32: ...9 807 942 0 Printed in U S A or Mexico...

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