Snapper 7800979-00 Operator's Manual page 25

1. Remove the pin and washer (C, Figure 31) from the transfer
rod (D), and remove the end of the transfer rod from the
hole in the driven disc assembly.
2. Using needle nose pliers, unhook the drive spring (A, Figure
34) and slide the driven disc assembly off the hex shaft.
3. Remove the two snap rings (A, Figure 35) which secure the
rubber driven disc (B) to the driven disc assembly.
4. Install a new rubber driven disc onto the driven disc
assembly, and secure with the retaining rings.
5. Reverse the above procedures for reassembly and
installation of the driven disc assembly.
34
Driven Disc Bearing Replacement
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.
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.
If the driven disc bearing requires replacement, replace the
bearing as follows:
1. Remove the driven disc assembly. See Driven Disc
Replacement .
2. Remove both snap rings (A, Figure 35) that secure the
rubber driven disc (B) to the thrust plate.
3. Slide the rubber driven disc hub out of the bearing.
4. Drive out the existing bearing (C).
5. Install a new bearing and secure to the thrust plate with four
retaining screws. Tighten the screws securely.
6. Reassemble the components in reverse order.
Note: Be sure to replace the shim washer (D) when
reassembling the driven disc assembly.
35
Replacing the Bearing on the Pulley End of the Hex
Shaft
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.
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