
Curtis PMC Troubleshooting
Page 15
Solenoids
1. Make sure the key-switch is in the “OFF” position, then remove the key.
2. Place the forward-reverse switch in the center “OFF” position.
3. Set the park brake.
4. Place blocks under the front wheels to prevent vehicle movement.
The rear drive wheels may rotate during some of the following tests. Block the
front wheels, raise the rear drive wheels off the ground, and support the vehicle
with jack stands. Failure to do so may cause the vehicle to move and cause
severe bodily injury and/or property damage.
Rotating rear drive wheels are a potential hazard. Keep hands, arms, legs and
loose clothing away from the rear drive wheels while conducting tests. Failure
to do so may cause serious bodily injury.
If the vehicle runs in forward only then skip ahead to the test sequence:
Forward (does not run in reverse
).
If the vehicle runs in reverse only then skip ahead to the test sequence:
Reverse (does not run in forward)
.
FLUKE 79
SERIES II MULTIMETER
V
V
OFF
Hz
mV
A
Solenoids are shown for reference only.
The type of solenoid in your truck may
look different
ISO
_
+
The voltage shown is for illustration
only. The actual voltage may vary.
Battery Negative
FWD/REV
Connect a voltmeter across the ISO solenoid COLD terminal
and battery negative.
Close all interlock switches and turn the Key Switch
ON.
Depress the accelerator pedal fully.
•
If the voltage is at battery volts then the wire
from the ISO solenoid to the PMC is bad. Stop
trouble shooting here and repair the problem.
When the repair is completed, completely retest
the vehicle before lowering the drive wheels to
the ground.
Connect a voltmeter across the ISO solenoid HOT terminal
and battery negative.
Close all interlock switches and turn the Key Switch
ON.
Depress the accelerator pedal fully.
•
If the voltage is at battery volts then the ISO solenoid
has failed. Stop trouble shooting here and repair the
problem. When the repair is completed, completely
retest the vehicle before lowering the drive wheels
to the ground.
•
If the voltage is not at battery volts then check the
wiring to battery positive and the main circuit breaker.
Stop trouble shooting here and repair the problem.
When the repair is completed, completely retest the
vehicle before lowering the drive wheels to the
ground.
FLUKE 79
SERIES II MULTIMETER
V
V
OFF
Hz
mV
A
Solenoids are shown for reference only.
The type of solenoid in your truck may
look different
ISO
_
+
The voltage shown is for illustration
only. The actual voltage may vary.
Battery Negative
FWD/REV
Summary of Contents for C0-014-32
Page 2: ......
Page 12: ...TAYLOR DUNN ...
Page 24: ...TAYLOR DUNN ...
Page 32: ...TAYLOR DUNN ...
Page 33: ...TABLE OF CONTENTS Front End Alignment 2 Replace the Front Fork 3 Adjust Steering Chains 4 ...
Page 50: ...TAYLOR DUNN ...
Page 63: ...Maintenance Service and Repair F2 F3 Transmission Page 13 EXPLODED VIEW ...
Page 64: ...TAYLOR DUNN ...
Page 78: ...TAYLOR DUNN ...
Page 131: ......
Page 134: ...Illustrated Parts Parts Page 2 Front Axle ...
Page 136: ...Illustrated Parts Parts Page 4 Front Fork ...
Page 138: ...Illustrated Parts Parts Page 6 Steering Linkage ...
Page 142: ...Illustrated Parts Parts Page 10 Transmission Differential Case ...
Page 144: ...Illustrated Parts Parts Page 12 Rear Brakes Axle tube 8 9 4 5 6 7 3 2 1 Rear Axle ...
Page 148: ...Illustrated Parts Parts Page 16 Brake linkage ...
Page 150: ...Illustrated Parts Parts Page 18 Wheels and Tires Ref wheel hub 1 2 5 assembly 4 3 6 7 8 9 10 ...
Page 152: ...Illustrated Parts Parts Page 20 Instrument Panel dash ...
Page 154: ...Illustrated Parts Parts Page 22 Speed Control Panel ...
Page 160: ...Illustrated Parts Parts Page 28 Signet Charger Model HBS series charger shown ...
Page 162: ...Illustrated Parts Parts Page 30 Batteries ...
Page 164: ...Illustrated Parts Parts Page 32 Seat Cushions and Deck ...
Page 166: ...Illustrated Parts Parts Page 34 Decals ...
Page 168: ...Illustrated Parts Parts Page 36 Optional Equipment ...
Page 170: ...Illustrated Parts Parts Page 38 Stake Sides ...
Page 172: ...Illustrated Parts Parts Page 40 Fiberglass Cab and Doors P1 ...
Page 174: ...Illustrated Parts Parts Page 42 Mirrors Windshield Wiper Brake Light ...
Page 176: ...TAYLOR DUNN ...
Page 184: ...TAYLOR DUNN ...
Page 185: ......