17
Maintenance
Driven Disc Ring 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 five machine screws
(A, Figure 32)
and
plate
(B)
which secure the rubber ring
(C)
to the driven
disc hub
(D)
.
4. Install a new rubber ring.
5. Reverse the above procedures for reassembly and
installation of the driven disc assembly.
Driven Disc Bearing Replacement
If the driven disc bearing requires replacement, replace the
bearing as follows:
1. Remove the driven disc assembly. Refer to the Section
entitled “Driven Disc Replacement”.
2. Remove the snap ring
(A, Figure 33)
that secures the
driven disc hub
(B)
to the thrust plate.
3. Slide the driven disc hub out of the bearing
(C)
.
5. Remove the four screws, and replace the bearing.
6. Reassemble the components in reverse order.
NOTE: Be sure to replace the shim washer
(D)
when
reassembling the driven disc assembly.
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.
!
!
Figure 33: Replacing the driven disc bearing
A
Figure 31: Removing the driven disc assembly
B
C
Maintenance (Continued)
Figure 32: Replacing the driven disc rubber ring
A
C
B
D
Cross Section
A
D