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TM 9-2320-364-20-3
2-2450
13. LHS DOES NOT LOAD IN AUTO MODE (CONT).
7.
Replace proximity
switch (main frame
down) (Para 7-39).
Verify repair, go to
Step 10 of this Fault.
YES
NO
LHS operates in MAN HA
position.
LHS operates in MAN MF
position.
Proximity switch (main frame
down) adjustment OK.
Wire 1484 OK.
Hydraulic selector switch OK.
Wire 1461 OK.
Wire 1435 OK.
Proximity switch (main frame
down) faulty.
Wire 1469 faulty.
LHS control assembly faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If proximity switch is faulty, 22 to
28 vdc will not be present at
LHS junction box, terminal 4.
WARNING
Are 22 to 28 vdc measured at
LHS junction box, terminal 4
with middle frame down and 0
vdc measured with middle
frame up?
Read WARNING
on Page 2-2451
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