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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).
11
KNOWN INFO
TEST OPTIONS
Joystick moves forks.
Voltage Test
Is voltage present at auto-
Light OK.
STE/ICE-R #89.
level switch where wire 64
Wire 50 OK.
REASON FOR QUESTION
Auto-level light socket OK.
and 65 connect to auto-level
This question eliminates possible
Wire 59 OK.
switch?
problems and determines where
Auto-level switch OK.
troubleshooting continues.
Connector J1 OK.
Connector P1 OK.
Connector J4 OK.
Connector P4 OK.
Auto-level circuit card OK.
Auto-level sensor OK.
POSSIBLE PROBLEMS
Wire 2 faulty.
Go to Step 12 of
NO
this fault.
YES
Replace auto-level
switch (Para 8-20).
KNOWN INFO
TEST OPTIONS
12
Joystick moves forks.
Continuity Test.
Is continuity present between
Light OK.
STE/ICE-R #89.
Wire 50 OK.
wire 64 and 65 at auto-level
REASON FOR QUESTION
Auto-level light socket OK.
switch and connector J1-36
If continuity is not present,
Wire 59 OK.
and connector J1-35?
connector P1, connector J4 and/
Auto-level switch OK.
or wire 64 or 65 are faulty.
Auto-level circuit card OK.
Auto-level sensor OK.
POSSIBLE PROBLEMS
Connector J1 faulty.
Connector P1 faulty.
Connector J4 faulty.
Connector P4 faulty.
Wire 2 faulty.
Repair wire 64 or
NO
65 or connector J1
(Para 8-48).
YES
2-480
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