TM 5-3805-281-24-2
Lubrication System
CHECK DRIVE SHAFT END PLAY
1. Mount dial indicator with indicator plunger resting
against end of pump drive shaft.
2. Move shaft toward and away from indicator.
If end play exceeds 0.15 mm (0.006 in.), there is
excessive wear on pump cover and/or wear on end of
pump drive gear.
Replace oil pump if end play exceeds 0.15 mm
(0.006 in.).
Checking Pump Shaft End Play
RG,RG34710,1226
1923OCT971/1
CHECK DRIVE SHAFT SIDE MOVEMENT
1. Mount dial indicator with indicator plunger resting on
one of the hex nut flats.
2. Move shaft from side-to-side.
If shaft side movement exceeds 0.17 mm (0.0065 in.).
there is excessive wear in drive shaft bushing and/or
drive shaft.
Replace oil pump if shaft side movement exceeds
0.17 mm (0.0065 in.).
Checking Pump Shaft Side Movement
RG,RG34710,1227
1923OCT971/1