2-11. OPERATING PROCEDURES-Continued.
The vehicle can move with a load of up to 6 tons (5.4 metric tons) hanging from
boom. Moving loads of 6 to 20 tons (5.4 to 18.1 metric tons) requires lockout
blocks. See paragraph 2-11g for instructions on lockout block installation.
Live boom operation is used to move boom 1 to 4 ft (0.3 to 1.2 m) back from the full forward position.
This is for spotting (placing) loads during recovery or maintenance operations. Refer to illustration
below for live boom operation.
Only use BOOM operating lever when retracting boom during live operation, do
not use BOOM SAFETY lever.
Maximum lift or live boom operation not to exceed 50,000 lb (22,680 kg).
Use APU to lower boom when powerplant is removed. Place 2 in. x 4 in. (51 mm x 102 mm) wood
blocks on air cleaner outlet cover to support boom when engine deck is removed.