TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
15. LHS DOES NOT OPERATE PROPERLY IN AUTO MODE (CAB ONLY)
(continued).
VISUAL INSPECTION
NOTE
MODE SELECT switch must
remain in position 1 (AUTO)
for all tests within this fault.
(1) Turn LHS MODE SELECT
switch to position 1 (AUTO).
NOTE
Refer to Chapter 2 for specific
LHS operating instructions.
(2) Attempt to actuate LHS
through a complete UNLOAD/
LOAD cycle using the cab
controls. Note which phase of
the cycle the problem occurs:
Hook arm UNLOAD
Main frame UNLOAD
Main frame LOAD
Hook arm LOAD
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