TM 9-2350-287-20-1
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2-19. TROUBLESHOOTING CHART (continued).
t.
HYDRAULIC SYSTEMS, ELECTRICAL (continued).
(2) CONVEYOR CHAIN WILL NOT OPERATE IN
EITHER DIRECTION (continued).
CONTINUED FROM B
B. 4. Check for continuity.
Is continuity indicated at either connection of
switch side of harness?
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Repair ground lead or replace harness
12376544 (para 7-70). Verify problem is
solved.
c.
1. Reconnect ground lead, harness
12376544 to deadman switch.
2. Turn MASTER switch ON (refer to TM 9-
2350-287-10).
3. Activate hydraulic system (refer to TM 9-
2350-287-10).
4. Operate directional control valve by acti-
vating directional control switch (refer to TM
9-2350-287-10).
5. Observe directional control valve.
6. Deactivate hydraulic system (refer to TM 9-
2350-287-10).
7.Turn MASTER switch OFF (refer to TM 9-
2350-287-10).
Does switch activate directional control valve?
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1
Go to hydraulics troubleshooting (para 2-
19.s(1)).
D. 1. Disconnect wire harness 12330252 from
hydraulic control panel.
2. Place red lead of multimeter in socket B
and ground black lead.
Continued on next page
2-287
