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Section II. TROUBLESHOOTING | Up
TM-5-6115-585-34 Generator Set Diesel Engine Driven Tactical Skid Mtd 5 KW 1 Phase 2 Wire 1 Phase-3 Wire 3 Phase-4 Wire 120 120/240 and 120/208 Volts Manual | Next
Table 2-3. Troubleshooting (Cont) |
TM 5-6115-585-34
NAVFAC P-8-623-34
TO-35C2-3-455-2
TM-05684C/05658B-34
Table 2-3. Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. STARTER MOTOR DOES NOT TURN-HIGH CURRENT DRAW.
Step 1. Check starter for grounded switch, terminals, or field (paragraph 5-2).
Replace any grounded component.
Step 2. Check for frozen armature shaft bushing (paragraph 5-2).
Replace bushing and, if necessary, armature.
2. STARTER DOES NOT TURN-NO CURRENT DRAW.
Step 1. Check for open armature windings (paragraph 5-2).
Replace armature if necessary.
Step 2. Check for open starter field windings (paragraph 5-2).
Replace field windings if necessary.
Step 3. Check for broken or weak brush springs (paragraph 5-2).
Replace brush springs if necessary.
Step 4. Check for worn commutator (high mica) (paragraph 5-2).
Refinish commutator or replace armature (including commutator).
3. SLOW STARTER SPEED.
Step 1. Check for dirty commutator (paragraph 5-2).
Clean or refinish commutator.
Step 2. Check for worn armature shaft bushings (paragraph 5-2).
Replace bushings and, if necessary, armature.
Step 3. Check for burned solenoid contacts (paragraph 5-2).
Replace solenoid.
Step 4. Check for open or shorted starter field windings (paragraph 5-2).
Replace windings if necessary.
Step 5. Check for shorted generator stator windings (paragraph 8-2).
Replace stator windings.
Step 6. Check for worn generator end bearing (paragraph 8-2).
Replace bearing if necessary.
Step 7. Check for worn engine crankshaft, rod, and camshaft bearings (paragraph 7-17).
Replace bearings as necessary. Repair or replace other worn compments
as necessary.
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