Craftsman 580.751651 owner manual 31GINEMAINTENANCE, Customer Responsibilities, Fig

CUSTOMER RESPONSIBILITIES

Purge Pump of Air and Contaniments:

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

,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.

oPull the trigger on the gun and hold.

=When the water supply is steady and constant, you may refasten the nozzle attachment and stad the pump.

PUMP MAINTENANCE

WARNING: DO NOT A'n'EMPTTO DISASSEMBLE

ATHE PUMP. WITHOUT THE PROPER TECHNIQUE,

AI"FEMPTING TO DISASSEMBLE PUMP MAY CAUSE PERSONAL INJURY. FOR SERVICE, CON- SULT A SEARS AUTHORIZED SERVICE CENTER OR CONTACT YOUR PLACE OF PURCHASE.

'ump Oil: Change pump oil after first 50 hours of opera-

•_on. Change pump oil every time you change the engine ,il. To change pump oil, follows these steps:

Place a proper container beneath the pump (Fig. 22).

FIG. 22

•Remove the Oil Drain Plug of pump and drain oil into the container.

•When oil has drained completely, reinstall oil drain plug.

•Remove pump's oil fill plug, insert funnel and add recommended SAE 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 till plug.

31GINEMAINTENANCE

NECKING OIL LEVEL

'level should be checked prior to each use or at least _4ery 5 hours of operation. Keep oil level maintained.

CHANGING ENGINE OIL

oChange oil after first 8 hours of operation. Change oil every 50 hours thereafter, tf 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:

FROM SPARK PLUG AND KEEP IT AWAY FROM

A CAUTION: DISCONNECT SPARK PLUG WIRE i

SPARK PLUG,

• Clean area around oildrain plug, remove plug and drain oil completely into a suitable container (Fig. 23).

OIL DRAIN

PLUGPLUG

CONTAINER

FIG. 23

*When oil has drained, install and tighten the oil drain plug.

oRemove 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. ,&.bout21 ounces (620ml) is required. POUR SLOWLY.

=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. 24

The torque sequence is A, B, C, D, E (star pattern). See Fig 24.

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