15
OPM-153/A
ENGINE CARE
WARNING: PERSONAL INJURY
Failure to follow proper maintenance guidelines and
precautions of your generator can cause serious injuries
or death.
MAINTENANCE SCHEDULE
Every 8 Hours or Daily
• Check engine oil level
• Clean area around muffler and controls
Every 100 Hours or Anually
• Replace spark plugs
• Change engine oil
• Replace oil filter
• Service air filter
• Clean pre-cleaner
• Service exhaust system
Every 250 hours
• Check valve clarance. djust if necessary.
Every 400 Hours of Anually
• Replace air filter
• Replace fuel filter
• Service cooling system
• Clean oil cooler fins
Every 600 Hours or Annually
• Replace safety filter
In dusty conditions or when airborne debris is present,
clean more often.
If major engine service or repair is required, contact an
authorized engine service center. The manufacturer of
these engines has established an excellent world-wide
engine service organization. Engine service is very likely
available from a nearby authorized dealer or distributor.
CHECKING THE OIL LEVEL
The oil level must always be checked before the engine is
started. Refer to page 6 of this manual for instructions on
checking the oil level. Take care to remove any dirt or debris
from around the oil plug before removing. Be sure the oil
level is maintained.
CHANGING THE OIL
Refer to the Maintenance Schedule Chart for required oil
change intervals.
Outdoor temperatures determine the proper oil viscosity for
the engines. Winco recommends our 5W-30 fully synthetic
oil to give you excellent protection in cold temperatures
while maintaining excellent performance in warmer
weather.
A. Start the engine and warm it up, stop the engine and
remove the spark plug wire to prevent it from
accidentally being started.
B. This engine has an oil drain valve for your convenience.
Attach a neoprene hose and drain the oil into an
approved
container.
C. Remove the oil filter and dispose of it properly.
D. Before you install the new oil filter, clean the filter
mounting base and coat the seal of the new oil filter
will clean engine oil.
E. Install the oil filter by hand until the gasket contacts the
oil filter adapter, then tighten the oil filter 1/2 to 3/4
turns.
F. Replace oil drain bolt making sure the sealing washer is
in
place.
G. Remove the oil filter plug and refill with new oil. Make
sure to use the proper grade oil based on your
operating
temperature.
NOTE:
This engine requires 78 to 80 ounces (2.4 to 2.5
quarts) of oil if it is completely drained. Use caution when
refilling the engine as some residual oil may have remained
in the engine. Always use the dipstick when filling the
engine with oil to prevent overfilling.
H. Replace filter plug.
I. Start the engine and warm it up.
J . After warming up the engine, recheck the oil level and
refill as necessary to bring it to the proper level.
AIR FILTER
Clean and/or replace the foam pre-cleaner and the air filter
annually or every 400 hours. Service more often under
dusty conditions.
WARNING: EQUIPMENT DAMAGE
Never start or run the engine with the air filter
removed.
A. Open fastener (‘A’)
and remove cover (‘B’)
B. Remove the fastener (‘C’)
and the retainer (‘D’).
C. Remove the air filter (‘E’).
D. Remove the pre-cleaner (‘F’)
from the air filter.
E. To loosen debris, gently tap
the air filter on a hard
surface. If the air filter is
excessively dirty replace
with a new filter.
Neoprene Hose, 1/2” I.D.
Cut to length
