Sears 580.75151 Pressure Washer User Manual


 
CUSTOMER RESPONSIBILITY
PUMP MAINTENANCE
Pump OI1: Change pump oil after first 50 hours of opera-
tion, then every 500 hours thereafter° To change pump oil,
follows these steps:
= Place a proper container beneath the pump. You will
only need a small one because capacity is only 5
ounces,
= Remove the Oil Drain Plug on bottom of pump and
drain oil into the container (Fig_22)°
OIL DRAIN PLUG
FIG. 22
When oil has drained completely, reinstall oil drain
plugo
o Remove pump's oil fill plug, insert funnel and add
recommendedSAE 20W-40 oil until level reaches full
mark on gauge located on side of the pump_
o Reinstall the pump's oil fill plug.
ENGINE MAINTENANCE
CHECKING OIL LEVEL
See "PREPARATION BEFORE USE" for information on
checking oil level Oil level should be checked prior to each
use or at least every 5 hours of operation. Keep oil level
maintained.
CHANGING OIL
o
l
I
Change oil after first 5 hours of operation. Change oil
every 25 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:
,_ CAUTION: DISCONNECT SPARK PLUG WIRE
FROM SPARK PLUG AND KEEP IT AWAY FROM
SPARK PLUG.
o
o
o
Clean area around oildrain plug, remove plug and drain
oil completely into a suitable container (Fig. 23).
When all oil has drained, install and tighten oil plug.
Clean area around oil fill plug and remove oil fil! plug.
Fill engine crankcase with recommended oil until oil
level is at point of overflowing° About 20 ounces is
required° POUR SLOWLY.
FIG.
= When engine crankcase is filled to proper level, install
and tighten oil fill plug.
SERVICE AIR CLEANER
Your engine will not run properly and may be damaged if
you run itusing a dirty air cleaner°
Clean or replace the air cleaner paper filter once every 100
hours of operation or once a year, whichever comes first.
Clean or replace more often ifoperating under dusty or dirty
conditions. Replacements are available at yourlocal Sears
Authorized Service Center_
To clean or replace air cleaner (Fig. 24), follow these steps:
---\
AIR CLEANER
FIG.
= Loosen cover screws (these need not be removed) and
remove cover. Thoroughly clean inside of base and
cover.
= Service cartridge by tapping gently on a flat surface,
Replace if dirty. Do not oil cartridge.
° insert cartridge (new or used) and reassemble cover to
base as itwas removed before. Tighten cover screws
securely.
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