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Page Title:
DRIVE SHAFT OR UNIVERSAL JOINT UNUSUALLY NOISY WHEN OPERATING |
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 TM 9-2320-366-20-2
INITIAL SETUP
Equipment Conditions
Tools and Special Tools
Engine shut down (TM 9-2320-366-10-1).
Tool Kit, Genl Mech (Item 46, Appendix C)
Goggles, Industrial (Item 15, Appendix C)
START
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
1.
Visual inspection
Nothing.
REASON FOR QUESTION
Is drive shaft properly
POSSIBLE PROBLEMS
lubricated?
Drive shaft may operate
Drive shaft require lubrication.
unusually noisy if not
Loose universal joint(s) bearing
properly lubricated.
cap screws.
Worn universal joints.
Faulty drive shaft.
NO
Faulty M1086/M1089 coupler
bearing or attaching hardware.
Faulty M1086/M1089
intermediate front drive shaft.
Lubricate drive shaft
YES
KNOWN INFO
TEST OPTIONS
2.
Visual inspection
Drive shaft properly lubricated.
REASON FOR QUESTION
Are universal joint(s) bearing
POSSIBLE PROBLEMS
cap screws secure?
Drive shaft may operate
Loose universal joint(s) bearing
unusually noisy if not secure.
cap screws.
Worn universal joints.
Faulty drive shaft.
Faulty M1086/M1089 coupler
NO
bearing or attaching hardware.
Faulty M1086/M1089
intermediate front drive shaft.
Replace universal joint bearing cap
YES
screws (para 9-2).
Change 1
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