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Page Title:
Table 2-1. Direct Support and General Support Troubleshooting Table - continued |
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 TM5-241O-237-34
Direct Support and General Support Troubleshooting Table (Cont'd)
Table 2-1.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 4.
Check fan blade balance.
a.
Loosen or remove vee belts (TM5-241O-237-2O).
b.
Operate engine at rpm where vibration occurred.
c.
If vibration is not noticeable, replace fan assembly (TM5-2410-237-20).
d.
If vibration is noticeable, go to step 5.
Step 5.
Inspect for loose engine mounting supports.
If supports are loose because of wear or damage, replace support(s)
a.
(pages 3-18 and 3-21).
b.
If mounting supports are not damaged or worn, but are loose, tighten
mounting supports-to-frame capscrews to 32525 lb. ft. torque.
Securely tighten front supports-to-engine and rear supports-to-flywheel
housing capscrews.
END OF TESTING!
11. COOLANT IN ENGINE LUBRICATING OIL
Step 1.
Replace engine oil cooler (TM5-241O-237-2O).
Inspect cylinder head (page 3-30).
Step 2.
a.
Replace a damaged or warped cylinder head (page 3-30).
b.
If cylinder head is not defective, install new cylinder head gasket
and spacer plate gasket (page 3-30).
Step 3.
Replace cylinder liners seals and filler bands (page 3-24).
Step 4.
Check for a cracked cylinder block.
If necessary, replace engine (page 3-3).
END OF TESTING!
12. ENGINE LUBRICATING OIL IN COOLING SYSTEM
Step 1.
Replace engine oil cooler (TM5-241O-237-2O).
Step 2.
Replace cylinder head gasket and spacer plate gasket (page 3-30).
END OF TESTING!
2-11
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