Craftsman 919.679240 - Manual (Page 12)

Pressure Washer Maintenance Changing Engine Oi
Check and Clean Inlet Screen: Examine inlet screen
pump inlet fitting. Clean if clogged; replace if torn.
^neck 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 Ghemical/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)
Your pressure washer pump is a sealed pump, you
should never have to change oil.
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 extension.
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.
• Change oil while engine is still warm. Preferably
drain oil from top of engine as illustrated below.
Drain oil with air cleaner side up. Oil can be drained
from engine bottom if necessary.
IMPORTANT: Before tipping engine or equipment to
drain oil, drain fuel from tank by running engine until
fuel tank is empty.
DRAIN HOLE
To drain oil from bottom of engine, remove drain
plug as illustrated below. Allow oil to drain and
replace drain plug. Remove dipstick and refill with
new oil of recommended grade. Start and run engine
at idle for 30 seconds.
OIL DRAIN
Stop engine. Wait 30 seconds and re-check oil level.
If required, add oil to bring level to FULL mark on
dipstick.
Check Engine — Finger Guard/Muffler
• Do not clean engine with a forceful spray of
water because water could contaminate fuel system.
With a brush or cloth, clean any debris from finger
guard after every use to prevent engine damage
caused by overheating.
■ CLEAN
* Before running engine, clean muffler area to
remove all grass and combustible debris.
CLEAN
CLEAN
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