Troy-Bilt 12208 - Manual (Page 21)

Sections: Maintenance
A
WARNING
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Before inspecting, cleaning or servicing the machine, shut off engine, wait for all moving parts to come
to a complete stop, disconnect spark plug wire and move wire away from spark plug. Remove ignition
key on electric start models.
Failure to follow these instructions can result in serious personal injury or property damage.
A
DANGER
Gasoline is highly flammable and its
vapors are explosive. Follow these
satety practices to prevent personal
injury or property damage from fire or
explosion.
• Allow the engine and muffler to cool
for at least two minutes before draining
the tiller’s gasoline tank.
• Do not allow open tiames, sparks,
matches or smoking in the area.
• Wipe away spills and push tiller away
from spilled fuel.
• Use only an approved fuel container
and store it safely out of the reach of
children.
• Do not store gasoline in an area
where its vapors could reach an open
flame or spark, or where ignition
sources are present (such as hot water
and space heaters, turnaces, clothes
dryers, stoves, electric motors, etc.)
2. Drain the oil from the engine.
3. Remove four scre\ws (B, Figure 5-2) and
remove transmission cover and gasket.
4. Remove the left-side wheel.
5. Tilt the left-side wheel shaft into a
drain pan and allow the gear oil to drain
through the top of the transmission.
6. Reinstall the wheel, install a new
gasket cover (do not reuse old gasket)
and reinstall the transmission cover.
7. Refill the transmission using GL-4
gear oil (SAE 85W-140 or SAE 140).
8 . Refill the engine with motor oil and
replenish the fuel tank with gasoline.
BOLD TINES
The bolo tines will wear with use and they
should be inspected at the beginning of
each tilling season and after every 30
operating hours. The tines can be
replaced individually or as a complete set.
See the Parts List for tine identification
and part numbers.
Figure 5-2: Remove oil fill plug (A) to check
gear oil level and to add gear oil. Remove
four cover screws (B) to drain gear oii.
A. Tine Inspection:
With use, the tines will become shorter,
narrower and pointed. Badly worn tines
will result in a loss of tilling depth and
reduced effectiveness when chopping up
and turning under organic matter.
B. Removing a Single Tine:
1. With the engine shut off and the spark
plug wire disconnected, remove the two
screws (A, Figure 5-3) and locknuts (B)
that attach a single tine to the tine holder.
If needed, use penetrating oil on the nuts.
2. When installing a single tine, be sure to
position it so that its cutting edge will
enter the soil first as the tiller moves
forward.
C. Removing a Tine Assembly:
1. A tine assembly consists of eight tines
mounted on a tine holder.
2. If removing both tine assemblies, mark
them “left” and “right” before removal.
Remove the screw (C, Figure 5-3) and
locknut (D) that secure the tine assembly
to the tine shaft. If necessary, use a
rubber mallet to tap the tine assembly
outward off the shaft.
3. Before reinstalling the tine assembly,
inspect the tine shaft for rust, rough
spots or burrs and file or sand as needed.
Apply a thin coat of grease to the shaft.
4. Install each tine assembly so that the
cutting edge of the tines will enter the
soil first when the tiller moves forward.
Secure the tine assembly to the tine shaft
using the screw and locknut previously
removed.
Figure 5-3: Install lines so that cutting edge of tines enter soil first when tiller moves forward.
21