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.
DRIVE DISC
ASSEMBLY
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. Using a small flat blade screwdriver, free the clip from the transfer rod. Then remove the transfer rod from the clip and the speed control rod. See Figure 4.11.
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.
THRUST | SHIM | |
PLATE | WASHER | |
| SNAP | |
| RING | |
BEARING |
| |
REMOVE FOUR |
| |
MACHINE SCREWS |
| |
| DRIVEN | |
| DISC HUB | |
DRIVEN DISC | RUBBER | |
DISC | ||
PLATE | ||
| ||
|
|
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 4.12
DRIVEN DISC HUB
MACHINE
SCREWS
RUBBER
RING
PLATE
FIGURE 4.13
15
