TM 10-4320-325-14
Refer to Table 5-1 to locate problematic symptoms, corrective action steps to isolate a faulty component, and references
to provide corrective maintenance. The following paragraphs briefly explain the different headings of Table 5-1.
a. Malfunction
This is a sequential listing of problematic symptoms The malfunction number is used for cross reference purposes
and to avoid needless repetition.
b. Test or Inspection.
This suggests further test or inspection checks to localize the symptom cause to a more specific area. It allows
corrective action flexibility depending on the outcome of these checks.
c. Corrective Action.
This lists the corrective action or actions to be taken and the paragraph reference to locate the step-by-step
maintenance procedures to fix the fault.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. ENGINE WILL NOT START
Step 1. Check fuel injection nozzle. Check that diesel fuel reaches the fuel injection nozzle.
Replace fuel injection nozzle. (Refer to para 5-14.)
Step 2. Check fuel injection pump. Check that diesel fuel reaches the fuel injection pump.
Adjust/replace fuel injection pump (Refer to para 5-15.)
2. BLACK SMOKE EXHAUST
CAUTION
Do not operate pump without liquid In the volute over 3 minutes.
Step 1. Reduce load by removing suction hose from water.
If color improves, refer to para 5-14 or 5-15.
