Snapper P2167519B (7800218 Safety Instructions & Operator's Manual page 74

Maintenance(Continued)
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WARNING
DO NOTattempt any maintenance, adjustments or service
with engine and blade running. STOPengine 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.
Driven Disc Replacement (Continued)
2. Using needle nose pliers, unhook the drive spring (A,
Figure 31) and slide the driven disc assembly off the
hex shaft.
3. Remove the two snap rings (A, Figure 32) 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. Reversethe above procedures for reassembly and
installation of the driven disc assembly.
Driven Disc Bearing Replacement
IMPORTANT: T he bearing on these machines is staked into
the thrust plate. The bearing will haveto be driven out with a
mallet and a large punch. A new bearing with four retaining
screws will haveto be purchased to replace existing bearing.
If the driven disc bearing requires replacement, replace the
bearing as follows:
1. Removethe driven disc assembly. Refer to the Section
entitled "Driven Disc Replacement".
2. Remove both snap rings (A, Figure 32) 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. Reassemblethe components in reverse order.
NOTE:Be sure to replace the shim washer (D) when
reassembfing the driven disc assembly.
Figure 31. Removing the driven disc assembly
Figure 32: Replacing the driven disc
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