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Section 4 - REPAIR & ADJUSTMENTS
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.
4.3.4. Replacing Driven Disc Rubber Ring
(Continued from previous page)
2. Using needle nose pliers, unhook the drive
spring and slide the driven disc assembly off the
hex shaft. See Figure 4.12.
3. Remove the five machine screws and plate
which secure the rubber ring to the driven disc hub.
See Figure 4.13.
4. Install new rubber ring.
5. Reverse above procedures for reassembly and
installation.
FIGURE 4.12
FIGURE 4.13
4.3.5. Replacing Bearing In Driven Disc Assembly
If the driven disc bearing fails, remove the driven
disc assembly and replace bearing as follows:
1. Remove pin and washer from transfer rod, and
remove end of transfer rod from hole in driven disc
assembly. See Figure 4.9.
2. Using needle nose pliers, unhook the drive
spring and slide the driven disc assembly off the
hex shaft. See Figure 4.12.
3. Remove snap ring that secures driven disc hub
to thrust plate. See Figure 4.14.
4. Slide the hub assembly out of the bearing.
5. Remove the four screws.
6. Remove bearing and replace with new
bearing.
7. Reassemble components in reverse order.
FIGURE 4.14
REMOVE
SPRING
REMOVE
DRIVEN DISC
ASSEMBLY
MACHINE
SCREWS
DRIVEN DISC HUB
RUBBER
RING
PLATE
SHIM
WASHER
SNAP
RING
THRUST
PLATE
BEARING
REMOVE FOUR
MACHINE
SCREWS
DRIVEN DISC
PLATE
DRIVEN DISC
HUB
RUBBER
DISC