TM 9--2350--292--20--1
0098 00--6
BOOM CREEPS WITH BOOM CONTROL IN NEUTRAL -- CONTINUED
0098 00
CONTINUED FROM STEP B
J
Are all hoses, connections, and flow control valve free
of restrictions and damage?
no
yes
1. Remove subfloor plates 1, 2, 6, 7, 10, 11 and
12 (WP 0454 00).
2. Inspect all boom hoses, connections, and
retract flow control valve for restrictions and
damage.
Remove restrictions. If re-
strictions cannot be re-
moved, or if damaged, re-
place (WP 0544 00). Verify
fault is corrected.
K
Is pressure reading less than 1600 psi?
1. Start Enhanced Diagnostic System program (WP
0086 00) and select corresponding symptom.
2. Place blocks under boom frame forward of air
intake vents.
3. Start main engine, energize hydraulics system,
and set engine speed to 1800 rpm
(TM 9--2350--292--10).
4. Place boom control handle in retract position, and
boom safety in stow position. Record pressure at
BL port of hydraulic control valve manifold
assembly.
5. Shut down hydraulics system and main engine
(TM 9--2350--292--10).
yes
no
Notify Direct Support
Maintenance.
Notify Direct Support
Maintenance.
FORWARD
END OF TASK
