Refer to paragraph 2-11d for spade operation, paragraph 2-11e for boom operation,
paragraph 2-11f for hoist winch operation, and paragraph 2-11h for main winch
Auxiliary hydraulic system.
The auxiliary hydraulic system is used for winches, boom, and spade under no-
Check and keep POWER control lever (1) to OFF.
Do not operate hydraulic systems with hoses disconnected.
SYSTEM SELECTOR control lever (2) must be in MAIN when starting APU. Start APU (see para.
2-13e) and let system warm up for 5 minutes.