11 Lubricant and/or sealant Mark
Points of application
Specified lubricant and/or sealant
Quantity
Engine oil
As required
Inner surface of every bushing Outside surface of every shaft O-rings Nut threads Balance shaft journals
Special tools (Unit: mm {in.}) Mark
Tool name and shape
Part No.
Application
MH062540
Removal and installation of idler gear bushing
MH062601
Removal and installation of fan shaft case bushing
MH062541
Removal and installation of No. 1 idler gear bushing
Idler gear bushing puller A B φ46.5 φ50 {φ1.83} {φ1.97}
Idler gear bushing puller A B φ37 φ40 {φ1.46} {φ1.57}
Idler gear bushing puller A B φ54.5 φ58 {φ2.15} {φ2.28}
Inspection before removal Inspection: Backlash between gears • For each pair of gears, measure the backlash at more than three teeth. • If any of the measurements exceeds the specified limit, replace the defective part(s).
Inspection: End play of each gear and shaft • If the measurement exceeds the specified limit, replace the defective part(s).
11-75