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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).
4
KNOWN INFO
TEST OPTIONS
Joystick moves forks.
Voltage test.
Is voltage present on wire 59
Light OK.
STE/ICE-R #89.
where wire 59 connects to
Wire 50 OK.
REASON FOR QUESTION
auto-level light socket?
POSSIBLE PROBLEMS
If voltage is present, auto-level
Auto-level light socket faulty.
light socket is 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.
Replace auto-level
NO
light socket
(Para 8-9).
YES
KNOWN INFO
TEST OPTIONS
5
Joystick moves forks.
Voltage Test.
Is voltage present on wire 59
Light OK.
STE/ICE-R #89.
Wire 50 OK.
where wire 59 connects to
REASON FOR QUESTION
Auto-level light socket OK.
auto-level switch?
This question eliminates possible
POSSIBLE PROBLEMS
problems and determines where
Wire 59 faulty.
troubleshooting continues.
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.
Go to Step 11 of
NO
this fault.
YES
2-472
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