DeWalt DH4240B Instruction Manual download pdf (Page 15)

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NOTE: If the oil level in the engine is low, the engine will not start.

If the engine does not start, check the oil level and add oil as

needed.

14. As the engine warms up, move the choke to

the OPEN position.

15. Depress trigger on gun to start water flow.

WARNING:     

on a stable surface and grip gun/wand firmly with

       

triggered.

16. Release trigger to stop water flow.

DANGER:



accidental spraying.

17. Adjust spray for the task being performed

by changing quick connect nozzle. Refer to

Spray Wand Nozzles.

Shutting Down

1. If chemicals were applied, place the chemical hose into a

container of clean water and draw clean water through chemical

injection system to rinse system thoroughly.

NOTICE:   property damage Failure to do so could cause

damage to the pump.

2. Place the engine ON/OFF switch (H) to the OFF Position.

3. Place the fuel valve lever (M) in the OFF

postion.

NOTICE:  turn

water supply off while pressure washer engine is

running or damage to pump will result.

4. Turn water source off.

5. Pull trigger on spray gun to relieve any water pressure in hose or

spray gun.

6. Refer to Storage for proper storage procedures.

Maintenance

WARNING: burning. When performing maintenance, you

may be exposed to hot surfaces, water pressure or moving parts that



WARNING:   

the engine cool and release all water pressure before performing

any maintenance or repair. The engine contains flammable fuel. Do



To ensure efficient operation and longer life of your pressure washer,

a routine maintenance schedule should be prepared and followed.

If the pressure washer is used in unusual conditions, such as high

temperatures or dusty conditions, more frequent maintenance

checkswillberequired.

Engine

Consult the engine instruction manual for the man u fac tur er's recom-

mendations for any and all maintenance.

NOTE:Thepressurewasherframeisequippedwithanoildrain

hole to help make changing the engine oil easier.

Pump

NOTE: The pump was filled with oil at the factory.

Change pump oil after the first 50 hours of operation and every 300

hours thereafter.

TO CHECK OIL

The oil level should come to the dot in the middle of the sight

glass (AA).

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DeWalt DH4240B Instruction Manual Page 15

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