TM 9--2350--292--20--1
0097 00--7
BOOM FAILS TO OPERATE OR OPERATES ROUGHLY -- CONTINUED
0097 00
K
Are both valves properly adjusted?
CONTINUED FROM STEP G
no
yes
CONTINUED ON NEXT PAGE
1. Remove air intake grilles beside both boom
stayline arms (WP 0415 00).
2. Check adjustment of both boom limit valves.
Adjust valves (WP
0563 00). Verify fault
is corrected.
L
Is pressure at port 205 385--470 psi?
no
yes
1. Remove gauges used in Step F and reconnect hoses
and plugs.
2. Install 0--4000 psi testing gauge assembly with
3/8--inch tee between right boom limit valve subplate
port 205 and attaching hose.
3. Install another 0--4000 psi testing gauge assembly
with 3/8--inch tee between right boom limit valve
subplate port 203 and attaching hose.
4. Start main engine, set speed to 1800 rpm and
energize main hydraulic system (TM 9--2350--292--10).
5. Read gauges and record pressures.
6. Shut down hydraulics and main engine
(TM 9--2350--292--10).
Go to Step Q.
Is pressure at port 203 385--470 psi?
no
yes
Notify Direct Support
Maintenance.
FORWARD
WARNING