Pump maintenance, Igine maintenance, Customer responsibilities – Craftsman 580.751651 User Manual

Page 15

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CUSTOMER RESPONSIBILITIES

Purge Pump of Air and Contanlments:

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.

e Pul! 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.

« When the water supply is steady and constant, you may

refasten the nozzle attachment and start the pump.

A

PUMP MAINTENANCE

WARNING: DO NOT ATTEMPT TO DISASSEMBLE
THE PUMP. WITHOUT THE PROPER TECHNIQUE,

ATTEMPTING TO DISASSEMBLE PUMP MAY
CAUSE PERSONAL INJURY. FOR SERVICE, CON­
SULT A SEARS AUTHORIZED SERVICE CENTER

i

OR CONTACT YOUR PLACE OF PURCHASE.

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

tion, 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).

CHANGING ENGINE OIL

» 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
SPARKPLUG.

® Clean area around oil drain plug, remove plug and drain

oil completely into a suitable container (Fig. 23).

FIG. 23

« When oil 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 oi) level is at pint of overflowing. Do
not overfill above the point of overflowing. About 21
ounces (620mi) is required. POUR SLOWLY.

® When engine crankcase is filled to propr 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).

Remove the Oil Drain Plug of pump and drain oii into

the container.

When oil has drained completely, reinstall oil drain

plug.

» Remove pump’s oil fill plug, insert funnel and add

recommendeaSAE 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.

^IGiNE MAINTENANCE

HECKING OIL LEVEL

‘ level should be checked prior to each use or at least

vi/ery 5 hours of operation. Keep oil level maintained.

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

Fig 24.

15

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