Generac Power Systems OHVI GSH 220 Service Manual page 8

SeCTIoN 1: GeNerAl INForMATIoN
Figure 1-1. Oil Fill
Remove oil fill cap and refill slowly with new oil of proper
service classification and viscosity grade. Refill to bottom of
threads in oil fill opening.
If engine has optional dipstick, remove dipstick and refill
slowly with new oil of proper service classification and viscosity
grade. Refill to full mark on dipstick. When checking oil level,
dipstick must be turned all the way in for accurate readings.
Start and run engine to check for oil leaks.
CHANGE OIL FILTER:
Replace oil filter every 00 hours. Before installing new filter,
lightly oil filter gasket with fresh clean engine oil. Screw filter
on by hand until gasket contacts filter adapter. Tighten / to
one full turn farther, Figure -.
Start and run engine at idle for 0 seconds and stop engine.
Recheck oil level and add if required. Restart engine and check
for oil leaks.
Figure 1-2. Oil Drain
Figure 1-3. Oil Filter
REPLACE SPARK PLUGS:
Replace spark plugs every 00 hours of operation or every
season, whichever occurs first. Replace spark plugs if electrodes
are burned away, or the porcelain is cracked. Set spark plug
gap at .76 mm (.00") for all models. Torque spark plugs to
20.0 Nm (80 in. lbs.).
Figure 1-4. Setting Spark Plug Gap
Note: For proper spark plug replacement, refer to the
owner's manual for the specific product.
AIR CLEANER MAINTENANCE:
*
wArNING: Never oPerATe eNGINe wITH AIr
CleANer ASSeMblY or AIr CleANer CArTrIdGe
reMoved. FIre MAY reSulT.
A properly serviced air cleaner protects internal parts of the
engine from dirt and dust particles in the air. If air cleaner
instructions are not carefully followed, dirt and dust which
should be collected in the cleaner, will be drawn into the
engine. These particles are highly abrasive and will cause the
piston rings and cylinder bore to wear quickly. As the rings and
cylinder bore become worn, these abrasive particles enter the
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