2-57. EMERGENCY PROCEDURES (CONT).
Crane Emergency Procedures.
Crane emergency operation with electrical failure:
Do not try to operate any electrical equipment on truck or
crane if electrical failure has occurred. Damage to equipment
This procedure will provide emergency hydraulic power to
lower crane and load when electrical power has failed.
Failure of hydraulic system will stop operation of any crane,
winch or hydraulic motor on truck. All cranes and winches are
equipped with automatic locking mechanisms to hold cranes
and winches in position they were in before hydraulics failed.
Twist and pull out MHC Main Hydraulic Override Valve (1). Remove
safety wire (2) and push in and hold MHC Hydraulic System Manual
Override button (3).
Stow crane (Para 2-30).
Notify Unit Maintenance.