Table 1.
Operator Preventive Maintenance Checks and Services (PMCS) – Weekly - Continued.
ITEM
NO.
INTERVAL
ITEM TO BE
CHECKED OR
SERVICED
PROCEDURE
EQUIPMENT
NOT READY/
AVAILABLE IF:
20
WEEKLY
Auxiliary Power
Unit (APU)
Operation
1. Start APU (WP 0042) and let APU warm up for five
minutes.
2. Move APU GEN switch to ON position.
3. Check that battery gauge moves to high green.
4. Move hydraulic selector lever to AUX position. The
APU RPM should drop down. The battery gauge
should move to yellow, indicating the generator is not
charging.
5. Move any of the hydraulic control levers to check
hydraulic operation.
6. Move hydraulic selector lever back to MAIN position.
The battery gauge should move back to green,
indicating the APU generator is charging.
7. Shut down APU (WP 0042).
TM 9-2350-256-10
0099
0099-18