|
| |
TM 5-4210-233-14&P-1
Table 3-3. Operator Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
APU
1
APU FAILS TO CRANK
Step 1. Check for battery switch in cab set to OFF.
Set battery switch to BOTH.
Step 2. Check for batteries low on charge.
Charge batteries.
2
APU CRANKS BUT WILL NOT START
Step 1. Check for empty fuel tank.
Refuel vehicle.
Step 2. Check for intake air too cold to enable initial combustion.
Use manifold preheater (see para 2-16 .).
3
APU RUNNING UNEVEN AND STALLS FREQUENTLY
Step 1. Check for almost empty fuel tank.
Refuel vehicle.
Step 2. Check for truck batteries low on charge making alternator hard to drive.
a.
Start main engine to charge truck batteries.
b.
If main engine won't start, refer to Unit Maintenance.
3-12
|
