TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
16. MAIN FRAME, HOOK ARM, AND WINCH DO NOT OPERATE (continued).
KNOWN INFO
18.
TEST OPTIONS
Cab and remote controls
Are the quick-disconnect
Visual inspection.
inoperative.
couplings to the HEMTT
CB15 OK.
chassis installed com-
REASON FOR QUESTION
LHS/winch inoperative
pletely and properly
Hydraulic fluid flow to the
using solenoid tool.
LHS may be blocked at
POSSIBLE PROBLEMS
the quick-disconnect
fittings if the fittings are
Quick-disconnect
not installed properly.
couplings not installed
properly.
Hydraulic lines, hoses, or
fittings faulty.
Properly install
quick-disconnect
NO
fittings.
YES
4-384
