R380 Manual Gearbox Overhaul
MANUAL GEARBOX
OVERHAUL
21
Remote housing - Type A gearbox
Dismantle
1. Remove setscrew securing trunnion to selector
shaft, remove trunnion.
2. Remove and discard circlip securing ball pin
seating to trunnion, remove seating.
3. Loosen locknut, remove 5th gear stop screw.
4. Remove blanking plug from end of remote
housing.
5. Remove setscrew securing quadrant to
selector shaft, remove quadrant.
NOTE: Early gearboxes: Quadrant is
secured by a roll pin.
6. Remove selector shaft from remote housing,
remove and discard ’O’ ring.
7. Remove and discard circlip retaining rollers
and pin to quadrant.
8. Remove pin, recover rollers.
9. Clean all components.
Inspection
1. Check selector shaft and bore in remote
housing for wear.
2. Check quadrant rollers and pin for wear.
3. Check ball pin seating for wear.
4. Replace worn components as necessary.
