Maintenance

!

WARNING

!

Drive Spring Repair/Replacement

If the drive spring (A, Figure 24) is loose, reconnect. If the

DO NOT attempt any maintenance, adjustments or service

spring is broken, replace with a new spring.

with engine and blade running. STOP engine and blade.

 

Disconnect spark plug wire and secure away from spark

Note: Use a pair of needle nose pliers to install the drive

plug. Engine and components are HOT. Avoid serious

 

spring.

burns, allow sufficient time for all components to cool.

 

 

 

 

 

IMPORTANT: If the drive system continues slipping, refer to

 

 

 

Driven and Drive Disc Service

 

the Troubleshooting section.

 

 

If the mower does not propel itself properly, check for the following problems:

C

D

B

 

 

 

A

E

Reproduction

A

 

 

 

 

 

 

 

 

 

 

Fig re 24: Replacing the drive spring

 

 

Driven Disc A justment

Figure 23: Wheel drive components

 

 

If the drive disc and driven disc are clean and the mower

 

 

1.

Grease on the drive disc (A, Figure 23) causing sli

age.

drive is still slipping, adjust the driven disc as follows:

1. Move the ground speed control (A, Figure 25) into the

2.

Broken or disconnected drive spring (B).

 

 

‘fast’ position.

3.

Driven disc (C) is out of adjustment.

 

 

 

4.

Driven disc rubber is worn - does not contact drive disc

 

 

properly.

 

C

5.

Worn Poly-V belt (D) or engine drive belt (E).

 

 

If any of the above (1 thru 5) are causing problems, service

 

as follows:

 

 

Cleaning Drive Disc & Driven Disc

 

 

If oil or grease on the drive disc or driven disc is causing

 

 

slippage, clean the discs as follows:

 

 

1.

Wipe away any oil or grease with a clean cloth.

 

 

2.

Use either an approved grease solvent or hot, soapy

 

Figure 25: The ground speed control

 

water to clean drive disc or driven disc.

 

 

3.Rinse components with clean water.

4.Dry components with a clean cloth.

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Snapper 20 manual Drive Spring Repair/Replacement, Reprod uction, Driven Disc a justment, Cleaning Drive Disc & Driven Disc

20 specifications

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