R380 Gearbox Overhaul: Centre Plate - Dismantle
MANUAL GEARBOX
OVERHAUL
17
Front cover - Later Type - Dismantle
NOTE: Later type front covers have one
lug only on the side of the cover and
layshaft bearing track is pressed into the
cover.
1. Remove layshaft bearing track from front
cover.
2. Remove input shaft bearing track from front
cover, remove and discard oil seal .
Centre plate - Dismantle
1. Remove bearing tracks and shims.
2. Check selector rail bore for wear.
3. Remove 2 bolts securing splash shield.
4. Press out reverse idler gear shaft using
suitable press and check shaft for wear.
5. Remove idler gear, needle bearing and spacer
and check for wear and damage.
6. Check centre plate detent balls for wear and
springs for distortion, replace as necessary.
7. Check that threads of detent plug are not
damaged.