TM 5-5420-234-14&P
5-2. DIRECT SUPPORT TROUBLESHOOTING (continued).
6.
MAIN FRAME, HOOK ARM, AND WINCH DO NOT OPERATE OR OPERATE
SLOWLY (continued).
2.
KNOWN INFO
TEST OPTIONS
Free flow valve OK.
Hydraulic System
Are 3,100 psi measured
Pressure Test.
at the TPP test port on
POSSIBLE PROBLEMS
the main manifold block
REASON FOR QUESTION
body assembly?
Relief valve faulty.
To determine if the
HEMTT hydraulic system
correct system pressure
faulty.
is available to the LHS
and winch hydraulic
circuits.
Go to Step 3.
NO
Fault not corrected.
YES
Notify supervisor.
5-40
