The bearing on these machines is staked into the thrust plate.
The bearing will have to be driven out with a mallet and a large
punch. A new bearing with four retaining screws will have to be
purchased to replace existing bearing.
To replace the bearing on the pulley end of the hex shaft:
1. Hold the hex shaft with an adjustable wrench held next to
the pulley.
2. Remove the 3/8” hex lock nut (B, Figure 36), located on the
outside of the right wheel bracket.
3. Remove the holder (A), O-ring (C) and bearing (D).
4. Install the new bearing.
5. Carefully install the new O-ring over the outside of the new
bearing.
6. Install the bearing holder, and secure with screws.
7. Install the 3/8” hex lock nut.
36
Belt Service
WARNING
Amputation Hazard
• DO NOT attempt any maintenance, adjustments or service
with engine and blade running.
• STOP engine and blade.
• Disconnect spark plug wire and secure away from spark
plug.
Burn Hazard
• Engine and components are HOT.
• Avoid serious burns, allow sufficient time for all
components to cool.
On self-propelled mowers, the engine belt (A, Figure 37)
transmits power from the engine pulley (B) to the drive disc (C).
The drive disc powers the poly-v belt, which engages the
transmission that powers the rear wheels. Should these belts
become worn, they could cause slippage, which would impair
mower performance. The condition of the engine belt and poly-v
belt should be checked after every 25 hours of mower operation.
Engine Drive Belt Replacement (Stretch Type Belts)
1. Empty the fuel tank.
2. Note the belt routing (Figure 37). There is no idler pulley on
these models to disconnect.
NOTICE
Drain the fuel tank before tipping the mower. DO NOT tip the
machine with the carburetor or spark plug down. Oil from the
crankcase will saturate the air filter and cause the engine to
be hard to start or not start at all. If contamination does occur,
the air filter will have to be replaced.
37
26 www.snapper.com
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