Table 1. Engine Troubleshooting Procedures - continued

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

replace (WP 0038 00).

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

leaks (WP 0057 00).

outlet ports, replace turbocharger

(WP 0057 00).

7. Check fuel injection pump for

If fuel injection pump is leaking oil,

external oil leaks.

replace (WP 0069 00).

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

pump (WP 0069 00).

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

(WP 0069 00).

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