TM 9-2320-440-13&P
0029-3
0029
LHS AND MRP DO NOT OPERATE (CONTINUED)
THAAD0548
Step 4.
Check if hydraulic quick disconnect couplings are connected correctly.
Reconnect quick disconnect coupling (WP 0016).
Step 5.
Check if manual pushbutton on free-flow valve can be pushed in.
Replace free-flow valve (WP 0127).
Step 6.
Start engine (
Check if ground rod driver operates (WP 0010).
If ground rod driver operates, troubleshoot LHS Does Not Operate
(WP 0032).
NOTE
MRP elevation cylinders must be in their fully stowed position and rack locks must be
disengaged to operate LHS.
Step 7.
Check if LHS operates with free-flow valve bypassed (WP 0016).
If LHS does not operate, go to Step 18.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TM 9-2320-347-10)