g1. DRIVE SHAFT OR UNIVERSAL JOINT UNUSUALLY NOISY WHEN OPERATING (CONT)
REASON FOR QUESTION
Visual inspection
TEST OPTIONS
KNOWN INFO
3.
TM 9-2320-365-20-2
2-1600 Change 1
Drive shaft may operate
unusually noisy if there is
movement at universal joint(s).
4.
TEST OPTIONS
Visual inspection
REASON FOR QUESTION
KNOWN INFO
Drive shaft may operate
unusually noisy if worn or
damaged.
Notify DS Maintenance.
Replace universal joint(s)
(para 9-2).
YES
NO
Does drive shaft pass drive
shaft hinging inspection and
visual inspection for
damage?
Replace drive shaft(s)
(para 9-2).
YES
NO
Are universal joints free
from observable movement?
Drive shaft properly lubricated.
Universal joint(s) bearing cap
screws tight.
POSSIBLE PROBLEMS
Worn universal joints.
Faulty drive shaft.
Drive shaft properly lubricated.
Universal joint(s) bearing cap
screws tight.
Universal joints OK.
POSSIBLE PROBLEMS
Faulty drive shaft.