Craftsman 919.670280, D20590 Pressure Washer Maintenance, Pump Maintenance Changing Pump Oil

Models: D20590 919.670280

1 56
Download 56 pages 820 b
Page 12
Image 12
Pressure Washer Maintenance

Pressure Washer Maintenance

Check and Clean Inlet Screen: Examine inlet screen on pump inlet fitting. Clean if clogged; replace if torn.

Check High Pressure Hose: High pressure hose can develop leaks from wear, kinking, abuse. Inspect hose each time before use. Check for cuts, leaks, abrasions or bulging of cover, and damage or movement of couplings. If any of these conditions exist, replace hose immediately.

Check Chemical/Soap Hose: Examine the chemical/ soap hose and clean if clogged. Hose should fit tightly on pump fitting. Check for leaks and tears. Replace filter or hose if either is damaged.

Check Gun and Wand: Examine hose connection to gun making sure it is secure. Test trigger by pressing it and making sure it springs back into place when you release it.

Pump Maintenance (Changing Pump Oil)

The pump on your pressure washer was shipped from the factory with oil. The oil in your pump must be changed every 50 hours.

Run engine until it runs out of fuel. Otherwise, fuel can leak out, creating a fire/explosion hazard, when you tip engine.

Disconnect spark plug wire and keep it away from spark plug.

Drain engine oil. See Changing Oil on page 8.

Pump Maintenance (Changing Pump Oil) CAUTION: Used oil is a hazardous waste product. Dispose of used oil properly. Do not discard with household waste. Check with your local authorities for safe disposal/recycling facilities.

Using a 5/16" Allen wrench remove pump oil drain plug.

Tilt unit and drain pump oil into appropriate container.

Fill pump with 10 ounces of R&O 150 oil. NOTE: If unable to find R&O 150 oil, use 30W non- detergent oil.

Replace oil drain plug and tighten securely.

Refill engine with oil and fuel. See Engine Oil on page 8.

Purge Pump of Air and Contaminants

To remove the air from the pump, follow these steps:

Set up the pressure washer as described in ASSEMBLY section and connect the water supply.

Remove the wand extension from the spray gun.

Pull the trigger on the gun and hold.

To remove the contaminants from the pump, follow these steps:

Set up the pressure washer as described in ASSEMBLY section, connect the water supply.

Remove the wand extension from the spray gun.

Start the engine according to instructions in the OPERATION section.

Pull the trigger on the gun and hold.

When the water supply is steady and constant, disengage trigger and refasten the wand exten- sion.

Engine Maintenance

Check Oil Level

Oil level should be checked prior to each use or at least every 5 hours of operation. To check oil see Engine Oil on page 8.

Oil Drain Plug

D20590

12-ENG

 

Page 12
Image 12
Craftsman 919.670280 Pressure Washer Maintenance, Pump Maintenance Changing Pump Oil, Purge Pump of Air and Contaminants