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WARNING:
To prevent serious injury, never perform
maintenance or repairs with unit running. Always service and
repair a cool unit. Disconnect the spark plug wire to ensure
that the unit cannot start. See Replacing the Spark Plug.
MAINTENANCE SCHEDULE
Perform these required maintenance procedures at the frequency
stated in the table. These procedures should also be a part of any
seasonal tune-up.
NOTE: Some maintenance procedures may require special tools or
skills. If you are unsure about these procedures, take your unit to
a Troy-Bilt or other qualified service dealer.
NOTE: Maintenance, replacement, or repair of the emission control
devices and system may be performed by a Troy-Bilt or other
qualified service dealer.
NOTE: Please read the California/EPA statement that came with the
unit for a complete listing of terms and coverage for the
emissions control devices, such as the spark arrestor, muffler,
carburetor, etc.
FREQUENCY
MAINTENANCE REQUIRED
Every 10 hours
Clean and oil air filter
Change oil
After 1st 10
Check rocker arm to valve clearance
hours
and adjust
Change oil
Check rocker arm to valve clearance
Every 40 hours
and adjust
Check spark plug condition and gap
CHANGING THE OIL
Change the oil while the engine is still warm. The oil will flow freely and
carry away more impurities.
WARNING:
Wear gloves to prevent injury when
handling unit.
1.
Remove the oil fill plug.
2.
Pour the oil out of the oil fill
hole and into a container by
tipping the unit to the side
(Fig. 21). Allow ample time
for complete drainage.
3.
Wipe up any oil residue on the
unit and clean up any oil that
may have spilled. Dispose of
the oil according to federal,
state and local regulations.
4.
Tilt the unit backwards 30°
(Fig. 22).
5.
Refill the crankcase with
3.04 fluid ounce (90 ml) of
SAE 30 SF, SG, SH oil.
b Use the bottle and spout
saved from initial use to measure the correct amount of oil. The
top of the label on the bottle measures approximately 3.04
ounces (90 ml) (Fig. 22). Check the level, See Checking the Oil
Level. If the level is low, add a small amount of oil and recheck.
Do not overfill (Fig. 22).
6.
Replace the oil fill plug.
WARNING:
To avoid serious personal injury, always
turn the unit off and allow it to cool before you clean or
service it.
12
MAINTENANCE AND REPAIR INSTRUCTIONS
SEE
p 12
p 12
p 13
p 12
p 13
p 14
Fig. 21
30°
AIR FILTER MAINTENANCE
Cleaning the Air Filter
Failure to maintain your air filter properly can result in poor performance or
can cause permanent damage to your engine.
1.
Open the air filter cover. Push the locking tab on the under side of
the cover inward. Then pull the air filter cover out and up. (Fig. 23).
2.
Remove the air filter (Fig. 24).
Air Filter
Back Plate
3.
Wash the filter in detergent and water. Rinse the filter
thoroughly and allow it to dry.
4.
Apply enough clean SAE 30 motor oil to lightly coat the filter.
5.
Squeeze the filter to spread and remove excess oil.
6.
Replace the filter (Fig. 24).
NOTE: If the unit is operated without the air filter, you will VOID the
warranty.
7.
Reinstall the air filter cover. Position the slots on the top of the air
filter cover onto the tabs at the top of the back plate (Figs. 23 & 24).
8.
Swing the cover down until the tab on the air filter backplate
snaps into place in the slot on the air filter cover (Fig. 25).
Fill Level
Fig. 22
Air Filter Cover
Fig. 23
Tabs
Locking Tab
Fig. 24
Locking
Tab
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