Troy-Bilt 31AH7FP4B66 Storm Tracker™ 2890 Snow Blower

OPERATOR’S MANUAL - Page 28

For 31AH7FP4B66.

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28
SERVICE AND MAINTENANCE
Figure 78
3. Roll auger belt off engine pulley (Figure 79).
Figure 79
4. Carefully pivot the snow blower up and forward so that it
rests on the auger housing.
5. Remove frame cover from underside by removing self-
tapping screws (Figure 73).
6. Loosen and remove shoulder bolt (b) which acts as a belt
keeper and unhook the spring (c) from the frame (Figure 80).
NOTE: Multi-speed unit shown.
c
b
Figure 80
7. Remove belt from around auger pulley, and slip it between
support bracket and auger pulley (Figure 81).
Figure 81
NOTE: Engaging auger control will ease removal and
reinstallation of belt.
8. Replace auger belt by following instructions in reverse order.
NOTE: Make sure to reinstall shoulder bolt (a) and reconnect
spring to frame after installing a replacement auger belt
(Figure 80).
9. After replacing auger belt, perform Auger Control test in
Assembly & Set-Up section (page 16).
DRIVE BELT REPLACEMENT
NOTE: See your authorized service dealer to have drive belt
replaced or contact Customer Support.
FRICTION WHEEL INSPECTION
If snow blower fails to drive with drive control lever engaged,
and performing drive control cable adjustment fails to correct
problem, the friction wheel may need to be replaced.
NOTE: Special tools are required and several components must
be removed in order to replace the friction wheel rubber. See
your authorized service dealer to have friction wheel rubber
replaced or contact Customer Support.
To inspect friction wheel, proceed as follows:
1. Allow engine to run until it is out of fuel. Do not attempt to
drain fuel from engine. Remove safety key or disconnect
spark plug wire.
2. Carefully pivot snow blower up and forward so that it rests on
auger housing.
3. Remove frame cover from underside by removing four self-
tapping screws (Figure 73).
4. Inspect friction wheel for signs of wear or cracking.
5. Using the four self tapping screws, reinstall the frame cover
(Figure 73).
6. If friction wheel rubber must be replaced see your authorized
service dealer to have friction wheel rubber replaced or
contact Customer Support.
Battery Disposal
IMPORTANT: Refer to instructional manual supplied with battery
charger for disposal instructions.
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