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TM 9-2320-364-20-3
2-2418
11. MIDDLE FRAME DOES NOT UNLOAD IN MANUAL MODE (CONT).
LHS hoses OK.
Wire 1489 OK.
Wire 1480 OK.
Hydraulic selector switch OK.
LHS control assembly OK.
Middle frame lockout
relay OK.
Wire 1465 OK.
Wire 1435 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
If wire 1435 is loose or faulty,
DC valve will not be grounded.
YES
Repair wire 1435
(see schematic
Fig 2-52) or notify
DS Maintenance.
Verify repair, go to
Step 10 of this Fault.
9.
Is continuity measured on
wire 1435 at middle frame up
DC valve harness connector,
terminal 1 and chassis
ground?
Directional control
(DC) valve is faulty.
Notify DS
Maintenance.
WARNING
NO
Read WARNING
on Page 2-2419
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