Craftsman 580.751781 Pressure Washer User Manual


 
CUSTOMER RESPONSIBILmES
CHANGING ENGINE OIL
Purge Pump of Air and Contanlments:
To remove the air from the pump, follow these steps:
o Set up the pressure washer as described in the AS-
SEMBLY section and connect the water supply.
,, Remove the nozzle attachment from the gun.
,, Pull the trigger on the gun and hold.
To remove the contaniments from the pump, follow these
steps:
= Set up the pressure washer as described in the AS-
SEMBLY section, connect the water supply and start
the engine according to instructions in the OPERA-
TION section.
,, Remove the nozzle attachment from the gun.
,, Pull the trigger on the gun and hold_
o When the water supplyis steady and constant, you may
refasten the nozzle attachment and start the pump_
PUMP MAINTENANCE
WARNING: DO NOT A'rrEMPT TO DISASSEMBLE I
THE PUMP. WITHOUT THE PROPER TECHNIQUE,
I
ATTEMPTING TO DISASSEMBLE PUMP MAY I
CAUSE PERSONAL INJURY. FOR SERVICE, CON- I
SULT A SEARS AUTHORIZED SERVICE CENTER
OR CONTACT YOUR PLACE OF PURCHASE.
Change oil after first 8 hours of operation, Change oil
every 50 hours thereafter. If you are using your pres-
sure washer under extremely dirty or dusty conditions,
or in extremely hot weather, change oil more often,
,, Change oil while engine is still warm from running, as
follows:
A CAUTION: DISCONNECT SPARK PLUG WIRE
FROM SPARK PLUG AND KEEP IT AWAY FROM
SPARK PLUG.
o Clean area around oildrain plug,remove plugand drain
oil completely into a suitable container (Fig, 23),
,")IL FILL
OIL DRAIN PLUG PLUG
Pump OIh Change pump oil after first 50 hours of opera-
tion. Change pump oil every time you change the engine
oil To change pump oil, follows these steps:
,, Place a proper container beneath the pump (Fig. 22).
OIL LEVEL GAUGE
OIL DRAIN PLUG
FIG. 23
o When eil has drained, install and tighten the oil drain
plug.
= Remove yellow oil fill plug and insert a clean fill funnel
into plug opening. Fill engine crankcase with recom-
mended oil until oil level is at point of overflowing. Do
not overfill above the point of overflowing. About 21
ounces (620ml) is required. POUR SLOWLY.
o When engine crankcase is filled to proper level Install
and tighten oil fill plug.
RETORQUE HEAD BOLTS
After 50 hours of operation, retorque the head bolts for this
GN-Series engine to 4.0 kg/m (29 foot-pounds).
FIG. 22
o Remove the Oil Drain Plug of pump and drain oil into
the container.
o When oil has drained completely, reinstall oil drain
plug.
o Remove pump's oil fill plug, insert funnel and add
recommendedSAE 80W-90 oil until level reaches full
mark on gauge located on side of the pump_ Capacity
is 5 ounces (150 grams).
,, Reinstall the pump's oil fill plug.
ENGINE MAINTENANCE
CHECKING OIL LEVEL
Oil level should be checked prior to each use or at least
every 5 hours of operation_ Keep oil level maintained
%
q ..
FIG. 24
The torque sequence is A, B, C, D, E (star pattern). See
Fig 24.
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