R380 Manual Gearbox Overhaul: Assembling Output Shaft and Layshaft to Centre Plate
MANUAL GEARBOX
36
OVERHAUL
7. Fit layshaft whilst lifting output shaft to clear
layshaft rear bearing.
8. Lubricate pilot bearing with gearbox oil and fit
input shaft.
NOTE: Early type front cover illustrated.
9. Fit new oil seal to front cover. Ensure seal is
fitted down to shoulder. Apply sealant, Part No.
STC 3254 to front cover as shown.
CAUTION: Oil seal must be fitted dry.
10. Fit input and layshaft bearing tracks in front
cover.
11. Apply Loctite 290 to threads of front cover
bolts, fit bolts and tighten by diagonal selection
to 25 Nm (18 lbf.ft).
12. Apply sealant, Part No. STC 3254 to centre
plate and fit main casing to centre plate.
13. Bolt casing and centre plate together using 2
off 8 x 35 slave bolts.
14. Lubricate a new ’O’ ring with gearbox oil and fit
to interlock spool retainer.
15. Fit interlock spool retainer, fit bolt and tighten
to 8 Nm (6 lbf.ft).
16. Remove casing from stand and clamp in vice.
