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6

Safety

Important Safety Information

WARNING: To reduce the risk of 
injury, read operating instructions 
carefully before using.

AVERTISSEMENT: Pour réduire le 
risque de blessures, lire attentive-
ment les instructions de 
fonctionnement avant l'utilisation.

1.

Read the owner's manual thor-
oughly. Failure to follow instruc-

tions could cause malfunction of the machine and 
result in death, serious bodily injury and/or property 
damage.

2.

Know how to stop the machine and bleed pressure 
quickly. Be thoroughly familiar with the controls.

3.

Stay alert — watch what you are doing.

4.

All installations must comply with local codes. 
Contact your electrician, plumber, utility company 
or the selling dealer for specific details. If your 
machine is rated 250 volts or less, single phase a 
ground fault circuit interrupter (GFCI) will be 
provided. If rated more than 250 volts, or more 
than single phase this product should only be 
connected to a power supply protected by a GFCI.

DANGER: Improper connection of the equipment-
grounding conductor can result in a risk of electro-
cution. Check with a qualified electrician or service 
personnel if you are in doubt as to whether the 
outlet is properly grounded. Do not modify the plug 
provided with the product - if it will not fit the outlet, 
have a proper outlet installed by a qualified electri-
cian. Do not use any type of adapter with this 
product.

AVERTISSEMENT: Une mauvaise connexion du 
conducteur de terre de l'équipement peut entraîner 
un risque d'électrocution. Vérifier auprès d'un 
électricien qualifié ou du personnel d'entretien si 
vous avez des doutes quant à savoir si la sortie est 
correctement mise à la masse. NE PAS modifier la 
fiche fournie avec le produit - si elle n'entre pas 
dans la sortie, faire installer une sortie appropriée 
par un électricien qualifié. NE JAMAIS utiliser un 
adaptateur avec ce produit.

WARNING: Keep wand, hose, and 
water spray away from electric 
wiring or fatal electric shock may 
result.

AVERTISSEMENT: Garder la 
lance, le boyau et le jet d'eau à 
l'écart de tout câblage électrique 
ou des chocs électriques mortels 
pourraient survenir

5.

To protect the operator from electrical shock, the 
machine must be electrically grounded. It is the 
responsibility of the owner to connect this machine 
to a UL grounded receptacle of proper voltage and 
amperage ratings. Do not spray water on or near 
electrical components. Do not touch machine with 
wet hands or while standing in water. Always 
disconnect power before servicing.

WARNING: Flammable liquids can create fumes 
which can ignite, causing property damage or 
severe injury.

AVERTISSEMENT: Des liquides inflammables 
peuvent produire des vapeurs qui peuvent 
s'enflammer, causant ainsi des dommages à la 
propriété ou des blessures graves.

WARNING: Risk of explosion — Do 
not spray flammable liquids.

AVERTISSEMENT: Risque d'explo-
sion - Ne pas pulvériser de 
liquides inflammables.

6.

Do not allow acids, caustic or 
abrasive fluids to pass through 
the pump.

7.

Never run pump dry or leave 

spray gun closed longer than 1-2 minutes.

8.

Keep operating area clear of all persons.

WARNING: High pressure spray 
can cause paint chips or other 
particles to become airborne and 
fly at high speeds. To avoid 
personal injury, eye, hand and foot 
safety devices must be worn.

AVERTISSEMENT: Un jet haute 
pression peut écailler la peinture 
ou provoquer l'émission d'autres 
particules dans l'air et leur 

projection à hautes vitesses.

9.

Always wear properly rated eye protection such as 
safety goggles or face shield while spraying. 

(Safety glasses do not provide full protection.)

Karcher HD 300-310 Operator’s Manual  9.800-086.0 - P

WARNING

    READ OPERATOR’S 

 MANUAL THOROUGHLY 

           PRIOR TO USE.

OPERATIONS

SAFET

Y

MAINTENANCE

       

KEEP WATER 

 SPRAY AWAY FROM 

ELECTRICAL WIRING.

WARNING

WARNING

RISK OF EXPLOSION: 

DO NOT SPRAY

FLAMMABLE

 LIQUIDS.

WARNING

    USE PROTECTIVE 

  EYE WEAR 

AND CLOTHING

WHEN OPERATING

 THIS EQUIPMENT.

Summary of Contents for 1.575-300.0

Page 1: ... Electric Powered Operator s Manual Pressure Washer MODELS HD 2 8 10 ST Ed B 1 575 300 0 HD 4 2 20 ST Ea B 1 575 301 0 HD 4 2 20 ST Eb B 1 575 302 0 HD 4 2 20 ST Ec B 1 575 303 0 HD 4 2 20 ST Eh B 1 575 305 0 HD 3 5 30 ST Ea B 1 575 306 0 HD 3 5 30 ST Eb B 1 575 307 0 HD 3 5 30 ST Ec B 1 575 308 0 HD 3 5 30 ST Eg B 1 575 309 0 HD 3 5 30 ST Eh B 1 575 310 0 To locate your local Kärcher Commercial P...

Page 2: ...2 Karcher HD 300 310 Operator s Manual 9 800 086 0 P Machine Data Label ...

Page 3: ...ng Instructions 10 Detergents And General Operating Techniques 11 Shutting Down And Clean Up 12 Storage 13 Maintenance Preventative Maintenance 14 Maintenance Schedule 14 Oil Change Record 14 Troubleshooting 15 Parts Karcher HD 18 Hose Spray Gun 24 Multi Room Installation 25 Specifications 26 Pump 28 VB8 Unloader Valve 30 KB Series Pump 32 KM 3 Series Pump 34 VRT3 Unloader 36 Karcher HD 300 310 Op...

Page 4: ... operation and function of the machine The MAINTENANCE section contains preventive main tenance to keep the machine and its components in good working condition They are listed in this general order Preventative Maintenance Oil Changing Record Troubleshooting The PARTS LIST section contains assembled parts illustrations and corresponding parts list The parts lists include a number of columns of in...

Page 5: ...perator in the operator s native language by the purchaser owner making sure that the operator comprehends its contents Owner and or user must study and maintain for future reference the manufacturers instructions The operator must know how to stop the machine quickly and understand the operation of all controls Never permit anyone to operate the engine without proper instructions SAVE THESE INSTR...

Page 6: ...avec ce produit WARNING Keep wand hose and water spray away from electric wiring or fatal electric shock may result AVERTISSEMENT Garder la lance le boyau et le jet d eau à l écart de tout câblage électrique ou des chocs électriques mortels pourraient survenir 5 To protect the operator from electrical shock the machine must be electrically grounded It is the responsibility of the owner to connect ...

Page 7: ...lean fresh water and no hotter then 185 F 15 Manufacturer will not be liable for any changes made to our standard machines or any compo nents not purchased from us 16 The best insurance against an accident is precau tion and knowledge of the machine WARNING Be extremely careful when using a ladder scaffolding or any other relatively unstable location The cleaning area should have adequate slopes a...

Page 8: ...ee range of movement to avoid coiling hoses NOTE If trigger on spray gun is released for more than 2 minutes water will leak from pump protector valve Warm water will discharge onto floor and cool water will allow the pump protector to seal This system prevents internal pump damage Karcher HD 300 310 Operator s Manual 9 800 086 0 P Garden Hose not included Trigger Spray Gun Quick Coupler Water Sup...

Page 9: ...ater or pump damage will result ATTENTION Ne coulez pas la pompe sans eau ou des dégâts de pompe se produiront STEP 2 Connect garden hose to the cold water source Before installing nozzle turn on water supply and run machine allowing water to flush through the system until clear STEP 3 Insert nozzle into coupler Release the coupler collar and push the nozzle until the collar clicks Pull the nozzle...

Page 10: ...r supply Push GFCI reset button AVERTISSEMENT Ne jamais remplacer les buses sans d abord mettre le dispositif de sécurité sur la détente du pistolet pulvérisateur Karcher HD 300 310 Operator s Manual 9 800 086 0 P The five color coded quick connect nozzles provide a wide array of spray widths from 0 to 40 and are easily accessible when placed in the conve nient rubber nozzle holder which is provid...

Page 11: ...ernal damage to the pump Cleaning Tips Pre rinse cleaning surface with fresh water Place detergent suction tube directly into cleaning solution and apply to surface at low pressure for best results limit your work area to sections approximately 6 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...

Page 12: ...inute STEP 2 Turn off machine by pushing switch on front panel STEP 3 Turn off water supply STEP 4 Press trigger to release water pressure STEP 7 Engage the spray gun safety lock Karcher HD 300 310 Operator s Manual 9 800 086 0 P Pump Water Inlet High Pressure Outlet Safety Latch STEP 5 Disconnect the garden hose from the water inlet on the machine Protect from freezing STEP 6 Disconnect the high ...

Page 13: ...mmages si elle est exposée au gel FREEZE DAMAGE IS NOT COVERED BY WARRANTY If you must store your pressure washer in a location where the temperature is below 32 F you can minimize the chance of damage to your machine by draining your machine as follows 1 Stop the pressure washer and detach supply hose and high pressure hose Squeeze the trigger of the spray gun to drain all water from the wand and...

Page 14: ...e life of your pressure washer Perform maintenance more often under severe conditions Oil Change Record Check pump oil level before first use Change pump oil after first 50 hours and every month or 500 hours thereafter Use SAE 10W 40 non foaming oil Maintenance Schedule Pump Oil SAE 10W 40 non foaming oil Inspect 25 Hours or Weekly Change Yearly Check Valve Clearance Yearly Water Filter Inspect Ev...

Page 15: ...ing Remove and clean bypass cartridge PUMP NOISY Air in suction line Check water supply and connections on suction line Broken or weak suction or delivery valve spring Check and replace if necessary Foreign matter in valves Check and clean if necessary Worn bearings Check and clean if necessary Excessive temperature of water Reduce to below 140 F PRESENCE OF WATER IN PUMP OIL Oil seal worn Check a...

Page 16: ...9 800 086 0 Printed in U S A ...

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