Removing the Gear Shift Mechanism
The gearshift mechanism consists of the following assembly units and parts:
- Gear change foot pedal mechanism;
- Switch quadrant with a shaft;
- Reverse gear engagement mechanism with lever;
- Gearshift forks;
- Bracket with an intermediate gear.
Tool required are the crank handle 346-403 for turning the clutch shaft and 346-710 to remove
the flexible coupling plate.
To remove the gear shift mechanism:
- Unscrew the drain plug and drain oil out of the gear case;
- Remove the clutch release mechanism;
- Undo the nut of the kick-starter lever wedge, knock out the wedge with an aluminum hammer,
and remove the lever (Fig.46, Pos. 1);
- Remove the flexible coupling plate (Fig.47);
- Turn off seven bolts fastening the gear case cover (Fig.46, Pos.2);
- Hammer slightly the clutch shaft end and the cover projections to force the shafts together with
the cover out of the gear case;
- Having unbent the lock washer undo the bolt fastening the reverse gear shift fork, remove the
fork;
- Take the axle and bracket with an intermediate gear out of the cover;
- Take the kick-starter shaft together with the gear out of the cover;
- Remove the forks shaft shafts.
- Press out the clutch and main shafts from the gear case cover by hammering slightly against
their end faces;
- Undo the bolts of right hand cover and force out the right-hand cover with the seal;
- Turn off the adjusting screws of the gear shift mechanism;
- Remove the lock ring of the quadrant shaft, shim and intermediate bushing.
- Remove the stop of the return spring;
- Remove the quadrant shaft and gear shift mechanism;
- Undo the nut and remove the reverse gear engagement lever from the axle;
- Remove the reverse gear engagement quadrant with a shaft and spring.
The mechanism thus removed should be washed and examined. If any damage or defects are
revealed, disassemble it, repair and reassemble.
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