Craftsman 919.678250 - Manual (Page 25)

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, 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 Oil
Pump oil level should be checked before each use.
Changing Pump Oii
Oil should be changed after the first 10 hours of opera­
tion. Subsequent changes after each 50 hours of opera­
tion. To drain oil, simply remove oil plug with a adjust­
able wrench. The oil plug is located at the bottom of the
pump. Dispose of used oil. Properly remove pump oil fill
plug. Add 30 weight non-detergent oil. Fill until oil level is
at the mid point on the sight glass.
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.