TM 9--2350--292--20--1
0099 00--3
BOOM STAYLINE CABLES BECOME SLACK DURING LIVE BOOM
OPERATION OR BOOM CAN BE STOWED WITHOUT ACTIVATING THE
BOOM SAFETY VALVE CONTROL LEVER -- CONTINUED
0099 00
1. Disconnect hose from BLV port of hydraulic control
valve manifold assembly and plug hose with 1/4--inch
plug.
2. Remove auxiliary winch cover (WP 0513 00) and
disconnect hose quick--disconnects at auxiliary winch.
3. Start main engine, energize hydraulics system, and set
engine speed to 1800 rpm (TM 9--2350--292--10) and
observe gauge at PR port.
4. Shut down hydraulic system and main engine
(TM 9--2350--292--10).
R
Is pressure at PR port 385--470 psi?
CONTINUED FROM STEP F
no
yes
CONTINUED ON NEXT PAGE
S
1. Remove plug and reinstall hose to BLV port of
hydraulic control valve manifold assembly.
2. Remove gauge and tee from boom shutoff valve
and reinstall hose.
3. Install a 0--4000 psi testing gauge assembly and
1/4--inch tee between hose and BSO port of boom
safety valve.
4. Remove gauge from PR port on hydraulic control
valve manifold assembly.
5. Install 0--4000 psi testing gauge assembly with
3/8--inch tee between BSI port of boom safety valve
and connecting hose.
6. Start main engine, energize hydraulics and set
engine speed to 1800 rpm (TM 9--2350--292--10).
Operate boom (TM 9--2350--292--10).
7. When boom is in live range, place boom safety
valve lever to stow position, retract boom, and
record both pressure gauge readings while in live
range and again in stow range.
Notify Direct Support Maintenance.
WARNING
WARNING
