Snapper RP217250 Operation Manual - Page 26

Maintenance, WARNING, Belt Service

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Maintenance Replacing the Bearing On the Pulley End Belt Service Of the Hex Shaft ! WARNING ! ! WARNING ! DO NOT attempt any maintenance, adjustments or DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all HOT. Avoid serious burns, allow sufficient time for all components to cool. components to cool. On self-propelled mowers, the engine belt (A, Figure 1. Hold the hex shaft with an adjustable wrench held 34) transmits power from the engine pulley (B) to the next to the pulley. drive disc (C). The drive disc powers the poly-v belt, 2. Remove the 3/8" hex lock nut (B, Figure 33), which engages the transmission that powers the rear located on the outside of the right wheel bracket. wheels. Should these belts become worn, they could 3. Remove the holder (A), O-ring (C) and bearing cause slippage, which would impair mower perfor- (D). mance. 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. n 7. Install the 3/8" hex lock nut. Engine Drive Belt Replacement (Stretch Type Belts) 1. Empty the fuel tank. 2. Note the belt routing (Figure 34). There is no idler pulley on these models to disconnect. r ctio A ot fo odu D r C C N Rep B A B Figure 33: Replacing the hex shaft bearing Figure 34: Engine drive belt routing 26 www.snapper.com

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Not for
Reproduction
www.snapper.com
26
Maintenance
Replacing the Bearing On the Pulley End
Of the Hex Shaft
WARNING
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. Engine and components are
HOT. Avoid serious burns, allow sufficient time for all
components to cool.
!
!
1. Hold the hex shaft with an adjustable wrench held
next to the pulley.
2. Remove the 3/8” hex lock nut
(B, Figure 33)
,
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.
B
Figure 33: Replacing the hex shaft bearing
A
C
D
Belt Service
WARNING
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. 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
34)
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 perfor-
mance.
Engine Drive Belt Replacement (Stretch
Type Belts)
1. Empty the fuel tank.
2. Note the belt routing
(Figure 34)
. There is no idler
pulley on these models to disconnect.
Figure 34: Engine drive belt routing
B
A
C