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Page Title:
FORK AUTO-LEVELER DOES NOT OPERATE - continued |
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 TM 10-3930-673-20-1
32. FORK AUTO-LEVELER DOES NOT OPERATE (CONT).
2
WARNING
KNOWN INFO
TEST OPTIONS
Read WARNING on
Joystick moves forks.
Continuity Test
following page.
STE/ICE-R #91.
POSSIBLE PROBLEMS
REASON FOR QUESTION
Is continuity present between
Light faulty.
Wire 50 faulty.
If continuity is not present, light is
indicator light center
Auto-level light socket faulty.
faulty.
connector and ground?
Wire 59 faulty.
Auto-level switch faulty.
Connector J1 faulty.
Connector P1 faulty.
Connector J4 faulty.
Connector P4 faulty.
Auto-level circuit card faulty.
Auto-level sensor faulty.
Wire 2 faulty.
Replace light
NO
(Para 8-9).
YES
KNOWN INFO
TEST OPTIONS
3
Joystick moves forks.
Voltage Test.
Is voltage present on wire 50
Light OK.
STE/ICE-R #89.
where wire 50 connects to
POSSIBLE PROBLEMS
REASON FOR QUESTION
light socket?
Wire 50 faulty.
If voltage is not present, wire 50 is
Auto-level light socket faulty.
faulty.
Wire 59 faulty.
Auto-level switch faulty.
Connector J1 faulty.
Connector P1 faulty.
Connector J4 faulty.
Connector P4 faulty.
Auto-level circuit card faulty.
Auto-level sensor faulty.
Wire 2 faulty.
Repair wire 50
NO
(Para 8-48).
YES
2-470
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