| Tweet |
Custom Search
|
|
|
||
 TM 55-1905-223-24-3
Table 2-2. Troubleshooting-CONT
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
STEP 2.
Check if lubricating oil cooler is leaking.
Replace oil cooler assembly (para. 2-34).
STEP 3.
Check if aftercooler is leaking.
Refer to Malfunction 4, Step 8.
STEP 4.
Check for leaking cylinder head, gasket, liner or block.
Refer to Malfunction 3, Step 5.
STEP 5.
Check for combustion gases in cooling system.
Refer to Malfunction 1, Step 8.
STEP 6.
Check for incorrectly seated injector sleeves.
Test for combustion gases in cooling system. Refer to Malfunction 1, Ste 8.
p
6.
Low lubricating oil pressure.
STEP 1.
Check if oil level is incorrect.
a.
Add or drain engine oil to proper level.
b.
Check for oil leaks as follows:
(1)
Use a steam cleaner or a high pressure washer to clean the engine.
(2)
Check the engine crankcase breather element, hose, and tube for restriction.
(3)
Check for a loose or missing oil dipstick tube, dipstick, or oil filler cap.
(4)
Operate the engine until the water temperature reaches 180 (80 ). Inspect the extrior of the
F
C
e
engine for leaking gaskets, seals, O-rings, pipe plugs, or fittings.
NOTE
Before replacing any gaskets, check the capscrews to make sure they are tightened to the correct torque values.
STEP 2.
Check if oil pressure gauge is malfunctioning as follows:
a.
Check the following for defects:
(1)
Electrical wiring broken.
(2)
Sending unit malfunction (refer to step b. below).
(3)
Plumbing loose or broken.
b.
Use a master gauge of known accuracy to verify the reading o the suspect gauge.
f
c.
Connect the line from the master gauge to the main oil gallery on the fuel pump side of the engine.
d.
Replace the sending unit if it is defective.
e.
Replace pressure gauge if defective (para. 2-26).
2-29
|
||
|
||
