R380 Manual Gearbox Overhaul
MANUAL GEARBOX
30
OVERHAUL
Layshaft - Overhaul
1. Using LRT-99-002, LRT-37-022 and
LRT-37-044, remove layshaft bearings.
2. Examine layshaft for wear and damage.
NOTE: Layshaft and layshaft 5th gear
fitted to later gearboxes are machined to
enable fitment of a split washer to prevent
gear movement on shaft. The modified layshaft,
gear and split washer may be fitted to early
gearboxes as an assembly.
3. Using press LRT-99-002 and a suitable
mandrel, positioned on bearing inner race, fit
new taper roller bearings.