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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
5. Remove and inspect oil cooler for
1. If oil cooler is restricted, clean.
13. ENGINE OIL
leaks, restrictions, or defects.
PRESSURE LOW OR
2. If oil cooler gasket is defective,
ZERO AT NORMAL
OPERATING
6. Remove and inspect turbocharger If oil is present inside turbocharger
TEMPERATURE
housing, on hub fins, or externally on
for internal and external oil
(Contd)
housing, but not in area of oil inlet or
outlet ports, replace turbocharger
7. Check fuel injection pump for
If fuel injection pump is leaking oil,
external oil leaks.
8. Remove drive gear access cover
If oil leaks are present at drive gear
(WP 0069 00) and inspect fuel
input shaft, replace fuel injection
injection pump for internal oil
leaks at drive gear input shaft.
WARNING
Eye protection is required during
inspection of fuel injection pump
and drive gear input shaft seal
with engine operating. Oil may
spray or splash from gear area.
Failure to wear eye protection
may result in injury to personnel.
Stay clear of drive gear area
during inspection of input shaft
seal when engine is operating.
Failure to stay clear of drive gear
area may result in injury to
personnel.
NOTE
When engine oil pressure remains
low after completing troubleshooting,
internal engine block oil passage
failure is indicated.
If oil flow is rapid from drive gear
9. Clean all existing oil traces from
area, replace fuel injection pump
drive gear area of timing cover
housing. Operate engine and
visually inspect for oil flow from
drive gear housing or timing
cover.
If camshaft or bearings are defective,
10. Check camshaft and bearings for
replace engine (WP 0046 00).
wear or defects.
0008 00-10

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