Caution: Risk of property damage Failure to do so could cause damage to the pump.

2.Turn engine off. Refer to the engine instruction manual.

Caution: Risk of property damage. Never turn water supply off while pressure washer engine is running or damage to pump will result.

3.Turn water source off.

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

5.Refer to Storage for proper storage procedures.

MAINTENANCE

WARNING: Risk of burning. When performing maintenance, you may be exposed to hot surfaces, water pressure or moving parts that can cause serious injury or death.

WARNING: Risk of fire. Always disconnect, spark plug wire, let the engine cool and release all water pressure before performing any maintenance or repair. The engine contains flammable fuel. Do not smoke or work near open flames while performing maintenance.

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 frequent maintenance checks will be required.

Engine

Consult the engine instruction manual for the man­facturer'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.

1.

Change pump oil after the first 10 hours of operation and every

English

 

250 hours thereafter.

 

To Check Oil

 

1.

The oil level should come to the dot in

H

 

the middle of the sight glass (X).

 

 

How To Change

 

 

 

Pump Oil

 

 

1.

Loosen pump oil fill plug (H).

 

 

2.

Place a container under the oil drain

 

 

 

plug (Y).

X

 

3.

Remove pump oil drain plug.

 

Y

 

4.

After oil is drained, replace oil drain

 

 

plug. Tighten securely.

 

 

5.Remove pump oil plug and fill with 8.5 oz. (251 ml) of DP70 pump oil. If DP70 is not available use 30W non-detergent oil.

6.Replace pump oil plug and tighten securely.

Nozzle Cleaning

If the nozzle becomes clogged with foreign materials, such as dirt, excessive pressure may develop. If the nozzle becomes partially clogged or restricted, the pump pressure will pulsate. Clean the nozzle immediately using the nozzle kit supplied and the following instructions:

1.Shut off the pressure washer and turn off the water supply.

2.Pull trigger on gun handle to relieve any water pressure.

13

Page 13
Image 13
DeWalt DP2800, A16505 instruction manual Maintenance, Engine Pump, To Check Oil, How To Change Pump Oil