TM 5-3805-255-14
0016
Table 2. Electrical Troubleshooting Procedures for the H100C Loader.
016
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Check for electrical circuits.
Repair electrical circuits (WP 0020). If
1. Discharging Battery.
problem still exists, notify Sustainment
Maintenance.
1. Check for high charging output.
Replace alternator (WP 0040). If prob-
2. Battery Overheating.
lem still exists, notify Sustainment
Maintenance.
2. Check for loose connections and
Clean and tighten connections or
frayed or damaged wiring.
replace wiring. If problem still exists,
notify Sustainment Maintenance.
Check for defective alternator.
Replace alternator (WP 0040). If prob-
3. Alternator Charging
lem still exists, notify Sustainment
Output High.
Maintenance.
1. Check for loose connections and
Clean and tighten connections or
4. Alternator Charging No
frayed or damaged wiring.
replace wiring. If problem still exists,
or Low Output.
go to step 2.
2. Check for defective batteries.
Replace batteries (WP 0045). If prob-
lem still exists, go to step 3.
3. Check for oxidized regulator
Repair or replace regulator (WP
contact points.
0040). If problem still exists, go to
step 4.
4. Check for defective alternator.
Replace alternator (WP 0040). If prob-
lem still exists, notify Sustainment
Maintenance.
1. Check for loose mountings.
Tighten mounting. If problem still
5. Noisy Alternator.
exists, go to step 2.
2. Check for loose pulley.
Tighten pulley. If problem still exists,
go to step 3.
3. Check for defective alternator.
Replace alternator (WP 0040). If
problem still exists, notify Sustainment
Maintenance.
1. Check for defective alternator.
Replace alternator (WP 0040). If
6. Voltmeter Shows Less
problem still exists, go to step 2.
Than 24 VDC with
Engine at Idle.
2. Check for loose or dirty
Clean and tighten connections or
connections.
replace wiring (WP 0020). If problem
still exists, notify Sustainment
Maintenance.
Check for defective alternator.
Replace alternator (WP 0040). If
7. High Voltage (Voltmeter
problem still exists, notify Sustainment
Reads above 30 VDC).
Maintenance.