TM 9-2320-289-20
Table 2-3. Mechanical Troubleshooting (Con’t)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
13.
14.
15.
Step 2.
Check drums and rotors for heat spotting, glazing, or heavy scoring.
Notify your supervisor if heat spotted, glazed, or scored.
Step 3.
Check tires for improper balancing. (See TM 9-2610-200-24)
Step 4.
Clean, inspect, and adjust wheel bearings.
Replace if damaged. (See paragraph 8-4 or 8-5)
ENGINE
ENGINE WILL NOT CRANK
Step 1.
See Electrical Troubleshooting malfunction #42.
If engine still will not crank, notify your supervisor.
SLOW CRANKING OR UNUSUAL NOISE DURING CRANKING
Step 1.
Check starter mounting bolts for looseness.
Tighten any loose mounting bolts to 33 Ib.-ft. (45 N•m).
Step 2.
Check clearance between starter pinion tooth and flywheel. (See paragraph 4-5,
INSTALLATION)
Step 3.
Inspect flywheel ring gear for chipped or damaged teeth. (See paragraph 4-5,
INSTALLATION)
If chipped or damaged teeth are found, notify your supervisor.
CRANKS BUT WILL NOT START
Step 1.
Check to see if there is fuel in tank. Add fuel if empty.
Step 2.
Check fuel supply and return lines for restrictions, looseness, or damage.
Tighten or replace if damaged. (See paragraph 3-13 or 3-14)
Step 3.
Inspect fuel filter, fuel pump, and injector pump for leakage.
Notify your supervisor if injector pump is leaking. Replace other leaking
components. (See paragraphs 3-10 and 3-17)
Step 4.
Check for inoperative glow plugs and glow plug system. (See Electrical
Troubleshooting malfunction #19)
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