TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
14. MAIN FRAME DOES NOT UNLOAD IN MANUAL MODE (continued).
CABDIGITAL
VISUAL INSPECTION
CONTROL BOX
NOTE
The CBT is designed to
prevent the operation of
the main frame UNLOAD
function if the hook arm
is fully retracted.
(1) Turn LHS MODE SELECT
switch to position 3 (main
frame in manual mode).
NOTE
Refer to Chapter 2 for
specific LHS operating
instructions.
CAB
DIGITAL
(2) Attempt to actuate LHS
MODE
using both the cab
SELECT
controls and the remote
SWITCH
control. Note the results
of the test.
Change 1
4-269
