Section 4 - REPAIR & ADJUSTMENTS
WARNING
DO NOT attempt any adjustments, maintenance or service with the engine or blade running. STOP blade. STOP engine. Remove spark plug wire from spark plug and secure wire away from spark plug. Engine and components can be extremely hot. Avoid burns by allowing engine and components sufficient time to cool.
4.3.4. Replacing Driven Disc Rubber Ring
If the rubber ring is badly chunked or worn down to within 1/16” of the metal rim of the driven disc hub, it must be replaced.
1.Remove the clip from the transfer rod. Then remove the transfer rod from the clip and the speed control rod and swing rod towards driven ring. See Figure 4.7.
SLIDE ASSEMBLY
OFF HEX SHAFTDRIVEN RING
HEX SHAFT
UNHOOK
SPRING
SWING TRANSFER ROD
TOWARD DRIVEN RING
FIGURE 4.7
2.Remove belt guide for the engine to deck belt.
3.Unhook the driven disc spring and slide the driven disc assembly off the hex shaft. See Figure 4.7.
4.Remove the five machine screws and plate that secures the rubber ring to the driven disc hub. See Figure 4.8.
5.Install new rubber ring.
6.Reverse above procedures for reassembly and installation.
NOTE: When reinstalling belt guide, position the guide 1/8” from belt with belt in the engaged position.
4.3.5. Replacing Bearing In Driven Disc
If the driven disc bearing fails, remove the driven disc assembly and replace bearing as follows:
1.Remove snap ring.
2.Slide the hub assembly out of the bearing.
3.Remove the four screws.
4.Remove bearing and replace with new bearing.
5.Reassemble components in reverse order.
PLATE | DRIVEN DISC HUB |
|
|
|
|
MACHINE SCREW | RUBBER RING |
FIGURE 4.8
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