TM 9-4940-568-10
2-170
2-41. OPERATING FORWARD REPAIR SYSTEM (FRS) IN EXTREME COLD
ENVIRONMENT –26 F TO -50 F (–32 C TO –46 C) (CONT).
(g)
Raise the boom to maximum elevation (45 degrees).
(h)
Telescope the boom out fully while operating hoist down to prevent hook block from contacting
boom nose.
(i)
Fully retract the boom while operating hoist up to keep hook block approximately 2 ft. (0.61 m)
from boom nose.
(j)
Lower the boom to horizontal.
(k)
Rotate the crane fully counterclockwise (180 degrees) and rotate back fully clockwise.
NOTE
Perform Steps (l) and (m) if using remote control.
(l)
Connect the remote control (Para 2-29).
(m) Attempt to operate all crane functions by remote control (Para 2-29), without connecting to load. If
any crane function fails to respond, continue to exercise the specific function using the manual
control until it responds to the remote control.
(n)
Continue with operation of crane (Para 2-29).
(o)
When crane operation is completed, disconnect and stow remote control and cable (if used), and
shut down crane (Para 2-29).
