MTD 179cc - Engine Maintenance; Maintenance Schedule and Oil Service

10
Tasks First5
Hrs.
Each Use or
Every 5 Hrs.
Every Season
or 25 Hrs.
Every Season
or 50 Hrs.
Every Season
or 100 Hrs.
Service Dates
Checkengineoil
Change engine oil
Checksparkplug
Servicesparkplug
Cleanexhaustarea
NOTE: Please dispose of used motor oil in a manner
that is compatible with the environment. We suggest
you take it in a sealed container to your local service
station for reclamation. Do not throw it in the trash or
pour it on the ground.
Oil Service
Checkoillevelregularly.•
Besurecorrectoillevelismaintained.Checkevery•
five hours or daily before starting engine. See oil
checkingprocedureintheOperationsection.
Oil Change
IMPORTANT: Be sure to check engine on a level
surface with the engine stopped. Drain the oil while
the engine is still warm to assure rapid and complete
draining.
Drainfuelfromtankbyrunningengineuntilthefuel1.
tankisempty.Besurefuelfillcapissecure.
Place suitable oil collection container under oil drain 2.
plug.
Removeoildrainplug,Figure3-1.3.
Tip engine to drain oil into the container. Used oil 4.
must be disposed of at a proper collection center.
Reinstall the drain plug and tighten it securely. 5.
Refillwiththerecommendedoilandchecktheoil6.
level, refer to Operation section for instructions.
Reinstalltheoilfillercap/dipsticksecurely.7.
IMPORTANT: Used motor oil may cause skin cancer
if repeatedly left in contact with the skin for pro-
longed periods. Although this is unlikely unless you
handle used oil on a daily basis, it is still advisable
to thoroughly wash your hands with soap and water
as soon as possible after handling used oil.
WARNING: Shut off the engine before
performing any type of maintenance.
To prevent accidental start-up, discon-
nect the spark plug boot.
IMPORTANT: If engine must be tipped to transport
equipment or to inspect, keep spark plug side of en-
gine up. Transporting or tipping engine with spark
plug down may cause smoking, hard starting, spark
plug fouling, or oil saturation of air cleaner.
Periodicinspectionandadjustmentoftheengineis
essential if high level performance is to be maintained.
Regular maintenance will also ensure a long service life.
The required service intervals and the type of mainte-
nance to be performed are described in the table below.
Followthehourlyorcalendarintervals,whicheveroccur
first. More frequent service is required when operating in
adverse conditions.
Maintenance Schedule
3
Maintaining
the
Engine
WARNING
WARNING: Shut off the
engine before performing
any type of maintenance.
To prevent accidental
start-up, disconnect the
spark plug boot.
Before tipping engine or
equipment to drain oil,
drain fuel from tank by
running engine until fuel
tank is empty.
IMPORTANT: Be sure to
check engine on a level
surface with the engine
stopped. Drain the oil
while the engine is still
warm to assure rapid and
complete draining.
Figure3-1:Removetheoildrainplugtodrainoilfromengine.
Oil Drain
Oil
Drain
Plug