Curtis PMC Troubleshooting
Page 22
PLUGGING DIODE
Remove the wires from the ‘B+’ and ‘A2’
terminals on the PMC control and perform the
following test:
Using the diode test function on the DMM check
for the presence of a diode across ‘B+’ and ‘A2’
on the PMC control..
If you do not know how to test for a diode, refer
test to a qualified technician.
•
If the diode is open or shorted, then the
PMC control must be replaced. 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.
Ω
A
Hz
OFF
V
mV
V
SERIES II MULTIMETER
FLUKE 79
+
−
B
M
A2
B
#2
KSI
−
+
−
The reading shown is for illustration
only. The actual reading may vary.
STOP
Stop, do not continue. If you reached this point without a solution, then you may have an
unanticipated problem or have made an error during testing. It is important to review the
trouble shooting steps that have led to this point. The tests may need to be repeated.
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.
5. Disconnect the main positive and negative cables at the batteries.
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.
Summary of Contents for B 1-50
Page 2: ......
Page 6: ...TAYLOR DUNN ...
Page 14: ...Model B 1 00 ...
Page 30: ...TAYLOR DUNN ...
Page 36: ...TAYLOR DUNN ...
Page 52: ...TAYLOR DUNN ...
Page 66: ...Maintenance Service and Repair Steering Page 14 Exploded View of Steering Gear ...
Page 90: ...TAYLOR DUNN ...
Page 124: ...TAYLOR DUNN ...
Page 130: ...TAYLOR DUNN ...
Page 161: ...Wire Diagrams ...
Page 194: ...Illustrated Parts PARTS PAGE 10 Front Suspension 4 3 2 1 5 10 6 8 9 7 11 12 ...
Page 202: ...Illustrated Parts PARTS PAGE 18 Motor 2 3 5 6 4 7 8 1 9 10 Armature 9 ...
Page 206: ...Illustrated Parts PARTS PAGE 22 Wheels and Tires Ref wheel hub 1 2 5 assembly 4 3 6 7 8 9 ...
Page 208: ...Illustrated Parts PARTS PAGE 24 Instrument Panel dash ...
Page 217: ...Illustrated Parts PARTS PAGE 33 This page intentionaly left blank ...
Page 220: ...Illustrated Parts PARTS PAGE 36 Seat Cushions Deck and Lights B 1 50 ...
Page 222: ...Illustrated Parts PARTS PAGE 38 Seat Cushions Deck and Lights MX 1600 ...
Page 224: ...Illustrated Parts PARTS PAGE 40 Decals B 1 50 VIEW FROM INSIDE OF COWL 1 2 3 4 5 6 7 8 9 ...
Page 230: ...Illustrated Parts PARTS PAGE 46 Stake Sides B 1 50 1 2 3 4 5 6 7 8 ...