TM-9-2350-256-10
RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1
OPERATOR'S MANUAL
OCTOBER 2014
TM-9-2350-256-10 - Page 222 of 796
GENERAL
The Auxiliary Power Unit (APU) is used to charge vehicle batteries, power impact wrench, or refuel/defuel pump.
In case of an emergency, the APU can raise/lower boom or spade, retrieve main/hoist winch cables, or lower
hoisted load to ground.
PRESTART PROCEDURES
NOTE
•
If rear fuel tanks are too low for APU operation, open forward tank valve. Close
valve when finished.
•
When starting APU in extremely cold weather conditions (-25°F to 0°F
(-32°C to -18°C)), refer to Lubrication Instructions (WP 0101) for proper lubricants.
•
When operating APU on side slopes, ensure vehicle has at least a quarter tank of
fuel, and close fuel control valve (WP 0045) to the right rear fuel tank. Open valve
when finished.
1.
Turn off all radio and electrical switches (WP 0004).
2.
Ensure hydraulic SYSTEM SELECTOR control lever (Figure 1, Item 1) is in MAIN position.
3.
Ensure hydraulic POWER control lever (Figure 1, Item 2) is in OFF position.
Figure 1.
System Selector Control and Power Control Levers.
TM 9-2350-256-10
0042
0042-2
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