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Page Title:
Table 1. Engine Troubleshooting Procedures - continued |
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 TM 9-2320-361-24-1
0008 00
MECHANICAL SYSTEMS TROUBLESHOOTING - DIRECT SUPPORT (Contd)
Table 1. Engine Troubleshooting Procedures (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Check oil pressure regulator for
Remove oil pressure regulator and
14. ENGINE OIL
leaks or defective operation.
inspect for defects. If oil pressure
PRESSURE
regulator is defective, replace
EXTREMELY HIGH AT
NOTE
NORMAL
Continued high oil pressure may
OPERATING
indicate engine bearings are spun,
TEMPERATURE
the engine block oil feed is restricted,
or the return passages are restricted.
If evidence of spun engine bearings
2. Disassemble engine and check for
or restricted oil passage is found,
spun bearings or restricted oil
replace engine
passages.
15. ENGINE OIL LOSS
CAUTION
DURING NORMAL
Do not operate engine except during
OPERATION
testing when condition of no oil
pressure is evident. Continued
operation may damage engine
internally.
1. Check oil pressure regulator for
leaks or defective operation.
Remove oil pressure regulator and
inspect for defects (WP 0037 00).
2. Remove and inspect oil cooler for
1. If oil cooler is restricted, clean.
leaks, restrictions, or defects.
2. If oil cooler gasket is defective,
replace (WP 0038 00).
3. Remove and inspect turbocharger
If oil is present inside turbocharger
for internal and external oil leaks.
housing, on hub fins, or externally on
housing, but not in area of oil inlet or
outlet parts, replace
turbocharger (WP 0057 00).
4. Check fuel injection pump for
If fuel injection pump is leaking oil,
external oil leaks.
replace (WP 0069 00).
5. Complete troubleshooting. See
Replace defective components as
WP 0008 00, table 1,
necessary.
malfunction 11, test 1.
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