TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
12. HOOK ARM DOES NOT UNLOAD IN MANUAL MODE (continued).
CABDIGITAL
CONTROL BOX
VISUAL INSPECTION
(1) Turn LHS MODE SELECT
switch to position 2 (hook
arm in manual mode).
NOTE
specific LHS operating
instructions.
(2) Attempt to actuate LHS
using both the cab
controls and the remote
control unit. Note the
results of the test.
LHS MODE SELECT
SWITCH
4-217