R380 Manual Gearbox Overhaul: Gear Change/Selector Housings - Overhaul
MANUAL GEARBOX
22
OVERHAUL
Reassemble
1. Lubricate selector shaft and new ’O’ ring with
gearbox oil.
2. Fit ’O’ ring to selector shaft.
3. Fit shaft to remote housing.
4. Position rollers to quadrant, fit pin and secure
with new circlip.
CAUTION: Ensure that head of pin is on
opposite side of quadrant to selector shaft
boss.
5. Fit quadrant to selector shaft.
6. Apply Loctite 290 to threads of setscrew, fit
setscrew and tighten to 25 Nm (18 lbf.ft).
NOTE: Early gearboxes: Fit new roll pin.
7. Apply Loctite 290 to threads of blanking plug,
fit plug and tighten to 30 Nm (22 lbf.ft).
8. Smear ball pin seating with multi-purpose
grease.
9. Position ball pin seating in trunnion, secure
with a new circlip.
10. Position trunnion on selector shaft.
11. Apply Loctite 290 to threads of setscrew, fit
setscrew and tighten to 25 Nm (18 lbf.ft).
12. Fit 5th gear stop screw, fit but do not tighten
locknut.
NOTE: 5th gear stop screw adjustment is
carried out during gearbox reassembly.
Gear change housing - Type B gearbox
Dismantle
1. Remove bolts retaining bias springs.
WARNING: To avoid personal injury,
restrain each spring in turn with a pair of
grips while the bolts are being removed.
2. Remove the two bias springs.
3. Remove 2 bolts securing bias spring
adjustment plate.
