4-175. ROTOR BOOM REPLACEMENT.
This task covers:
MOS62B, Construction equipment repairer (2)
Tool kit, general mechanic's: automotive
Lifting device (capacity 500 lb [227 kg])
TM or Para
Hoist boom cylinder
Pins, cotter (2)
Bar stops and
Rotor assembly on stand.
Rotor boom weighs 220 lb (100 kg). Use
suitable lifting device when removing
boom from vehicle.
(1) Attach suitable lifting device to rotor
(2) Remove two cotter pins (2), castle nuts (3)
screws (4), and shackles (5) from boom (1).
Discard cotter pins.
(3) While assistant steadies boom (1), mechanic
operates suitable lifting device to remove
boom from tiller (6).