Snapper 7800849 manual Belt Service, Replacing the Bearing On the Pulley End, Of the Hex Shaft

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

33) transmits power from the engine pulley (B) to the

2.

next to the pulley.

drive disc (C). The drive disc powers the poly-v belt,

Remove the 3/8” hex lock nut (B, Figure 32),

which engages the transmission that powers the rear

3.

located on the outside of the right wheel bracket.

wheels. Should these belts become worn, they could

Remove the holder (A), O-ring (C) and bearing

cause slippage, which would impair mower perfor-

4.

(D).

mance.

Install the new bearing.

Engine Drive Belt Replacement (Stretch

5.

Carefully install the new O-ring over the outside of

6.

the new bearing.

Type Belts)

Install the bearing holder, and secure with screws.

1.

Empty the fuel ta k.

7.

Install the 3/8” hex lock nut.

2.

Note the belt

uting (Figure 33). There is no idler

pulley

hese m dels to disconnect.

A

D

C

C

B

Rep

A

B

roduction

Figure 33: Engine drive belt routing

Figure 32: Replacing the hex shaft bearing

26 www.snapper.com