Maintenance - DeWalt DXPW1200E Instruction Manual

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: Risk of property damage Failure to do so could cause
damage to the pump.
2. Place the motor ON/OFF switch (K) to the OFF Position.
NOTICE: Risk of property damage. NEVER turn water supply off while
pressure washer 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. Remove both the garden hose and high pressure hose from the
unit.
6. Disconnect the wand from the gun.
7. Turn ON the machine and allow it to run for 5 seconds. (This will
clear out most of the water trapped in the pump).
8. Unplug machine .
9. 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.
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.
NOTE: The pump was filled with oil at the factory. Change pump oil
after the first 20 hours of operation and every 150 hours thereafter,
or every 3 months. Use SAE 15W-40 oil. Oil capacity is 11.2 oz.
(0.33 liters). Oil should be changed at least once a year.
TO CHECK OIL
The oil level should come to the dot in the middle of the sight glass
(AA).
HOW TO CHANGE PUMP OIL
1. Loosen pump oil fill plug (BB).
2. Place a container under the oil
drain plug.
3. Remove pump oil drain plug.
4. After oil is drained, replace oil
drain plug. Tighten securely.
Remove pump oil plug and fill with
5.
pump oil.
6. Replace pump oil plug and tighten securely.
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.
3. Disconnect the spray wand from the gun.
10
BB
AA