|
| |
TM 9-2320-364-20-4
2-3190
5. HOOK ARM EXTENDS TOO FAR IN CHU MODE (AUTO) (CONT).
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
NO
8.
WARNING
Read WARNING
on Page 2-3191
Continuity test.
Relay R52 controls the hook arm
unload function by activating
relay R51. When relay R52 is
closed, the ground circuit for
relay R51 is completed through
wires 1495 and 1496. If there is
an open in wire 1495, relay R51
will not function.
YES
Is continuity present between
wire 1495 at relay R52, termi-
nal 30 and relay 50, terminal
85?
Repair wire 1495
(see schematic
Fig 2-79) or notify DS
Maintenance. Verify
repair, go to Step 17 of
this Fault.
CHU jumper wire harness OK.
LHS operates in MAN HA
position.
LHS operates in MAN MF
position.
Proximity switch properly
adjusted.
LED of proximity switch
illuminates.
Wire 1466B of wire harness OK.
Wire 1466B OK.
Proximity switch OK
Wire 1465 OK.
Wire 1435 OK.
Wire 1495 is faulty.
Wire 1496 is faulty.
Relay R52 faulty.
Relay R51 faulty.
Wire 1474 of wire harness is
faulty.
Wire 1474 is faulty.
Wire 1472 is faulty.
Wire 1435 of wire harness is
faulty.
Wire 1435 is faulty.
|
