TM 9--2350--292--20--1
0097 00--19
BOOM FAILS TO OPERATE OR OPERATES ROUGHLY -- CONTINUED
0097 00
AH
Are both valves properly adjusted?
CONTINUED FROM STEP AD
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.
AI
Is pressure at port 205 greater than 385 psi?
no
yes
1. Start main engine, set speed to 1800 rpm and
energize main hydraulic system
(TM 9--2350--292--10).
2. Record pressures at right boom limit valve
subplate port 205 and right boom limit valve
subplate port 203.
3. Shut down hydraulics and main engine
(TM 9--2350--292--10).
Go to Step AN.
Is pressure at port 203 greater than 385 psi?
no
yes
Notify Direct Support
Maintenance.