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PS
S5.4
5460
001
OE35
Version no
T-code
F-code
Section
C-code
Electrical System Troubleshooting Charts
212
Service Manual
1996-10-15
1. Positive side of slow speed lowering switch,
wire #17.
0 volts - repair open wire #17 from mast
column chain tension switch to slow speed
lowering switches.
2. Negative side of slow speed lowering switch.
0 volts - replace switch.
3. Positive side of 31 lowering solenoid valve coil
(with red manual lowering button).
0 volts - repair open wiring from lowering
control switch to solenoid valve coil.
4. Negative side of #1 lowering solenoid valve
coil.
0 volts - replace coil.
Battery volts - repair open wire from solenoid
valve coil to battery negative, wire #22.
1.5.2 No high speed lowering, low speed lowering okay.
Conditions for test: Battery plugged in, key switch
in “on” position, start button pushed and released,
emergency disconnect contactor closed, gate
switches closed, foot pedal switch closed, platform
raised above 24 inches, high speed lowering
switch activated.
Test for battery voltage at:
1. Positive side of high speed lowering switch.
0 volts - repair open wiring from low speed
switch to high speed switch.
2. Negative side of high speed lowering switch.
0 volts - replace high speed switch.
3. Positive side of 24 inch limit switch, wire #54.
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