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Page Title:
ELECTRIC JOYSTICK CONTROL DOES NOT OPERATE - continued |
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 TM 10-3930-673-20-1
33. ELECTRIC JOYSTICK CONTROL DOES NOT OPERATE (CONT).
8
KNOWN INFO
TEST OPTIONS
Hydraulic system OK.
Voltage test.
Is voltage present at fork
Auto-leveler OK.
STE/ICE-R #89.
leveler mode switch where
Joystick OK.
REASON FOR QUESTION
Connector J3 OK.
wire 57 and 58 connect?
If voltage is not present, fork mode
Connector P3 OK.
leveler switch is faulty.
Connector J1 OK.
Connector P1 OK.
Connector J4 OK.
Connector P4 OK.
Wire 51 OK.
Wire 52 OK.
Wire 53 OK.
Wire 54 OK.
Wire 55 OK.
Wire 56 OK.
Replace fork mode
NO
leveler switch
POSSIBLE PROBLEMS
(Para 8-20).
Fork leveler mode switch faulty.
Wire 57 faulty.
YES
Wire 58 faulty.
KNOWN INFO
TEST OPTIONS
9
Hydraulic system OK.
Continuity test.
Is continuity present between
Auto-leveler OK.
STE/ICE-R #91.
Joystick OK.
main connector and fork
REASON FOR QUESTION
Connector J3 OK.
leveler mode switch where
If continuity is not present, wire
Connector P3 OK.
wire 57 and 58 connect?
and/or connector are faulty.
Connector J1 OK.
Connector P1 OK.
Connector J4 OK.
Connector P4 OK.
Wire 51 OK.
Wire 52 OK.
Wire 53 OK.
Wire 54 OK.
Wire 55 OK.
Wire 56 OK.
Repair wire and/or
NO
Fork leveler mode switch OK.
connector
(Para 8-48).
POSSIBLE PROBLEMS
Wire 57 faulty.
YES
Wire 58 faulty.
2-500
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