Sears 580.75151 - Manual (Page 15)

CUSTOMER RESPONSIBILITY
PUMP MAINTENANCE
Pump Oil: Chang© 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 tie aintainer (Fig, 22).
o Remove pump's oil fill plug, insert funnel and add
recommended SAE 20W-40 oil until ievel 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 TREPARATION 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 Change oil after first S 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
SPARKPLUG.
Clean area around oil drain 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 fill plug.
Fill engine crankcase with recommended oil until oil
level is at point of overflowing. About 20 ounces is
required. POUR SLOWLY,
SERVICE AIR CLEANER
Your engine will not run properly and may be damaged if
you run it using 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 if operating under dusty or dirty
conditions. Replacements are available at your local Sears
Authorized Service Center,
To Glean or replace air cleaner (Fig. 24), follow these steps:
FIG. 24
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 it was removed before. Tighten cover screws
securely.
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