Curtis PMC Troubleshooting
Page 19
SYMPTOMS
GO TO
Ø
Runs slow in both directions plus high armature and field current in both
directions. NOTE: Armature and field current should be equal.
MOTOR
Ø
Runs slow in both directions plus high armature current in both directions.
NOTE: Field current will be very low.
SOLENOIDS
Ø
Ø
Runs normal in one direction only plus runs slow or lacks power in the op-
posite direction with high armature current in the opposite direction or;
Accelerates slowly and exceeds normal speed in the opposite direction
with high armature current only. NOTE: Field current will be very low in
the opposite direction.
SOLENOIDS
Ø
Accelerates slowly and exceeds normal speed in both directions plus high
armature current. NOTE: Field current will be very low.
SOLENOIDS
Ø
Full speed only.
PMC CONTROL
Ø
Does not run in either direction plus there is noise from motor (hum or
whine) with high field current and low armature current.
PLUGGING DIODE
Ø
Excessive spark when connecting battery
ISO
Ø
Does not run or runs very slow with low motor current and high battery
current.
FREEWHEEL DIODE
Ø
Jumps into high speed when direction is selected after depressing the ac-
celerator pedal.
HPD
SYMPTOM TROUBLESHOOTING GUIDE
This section is specific to the symptoms listed below. Each troubleshooting sequence assumes
that all listed symptoms are present. Do not use this section unless the truck has all listed
symptoms.
Special Troubleshooting
Table of Contents
PMC CONTROL ...................................................................22
PLUGGING DIODE .............................................................25
FREEWHEEL DIODE ..........................................................26
ISO 27
SOLENOIDS .........................................................................29
MOTOR .................................................................................32
Содержание MX-026-00
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Страница 6: ...TAYLOR DUNN...
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Страница 81: ...Maintenance Service and Repair Transaxle SS 534 Page 9 EXPLODED VIEW...
Страница 86: ...TAYLOR DUNN...
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Страница 148: ...TAYLOR DUNN...
Страница 157: ...4 1 1 2 6 9 4 4 1 1 2 6 9 5...
Страница 158: ...Illustrated Parts Parts Page 10 Axle Assembly Transaxle SS 536 SS 546 MX 600...
Страница 159: ......
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Страница 164: ...Illustrated Parts Parts Page 16 Brakes Rear Axle SS 534 Brakes Rear Axle SS 536 SS 546 MX 600...
Страница 169: ...7 5 1 4 8 4 1...
Страница 170: ...7 5 1 4 8 4 2...
Страница 180: ...Illustrated Parts Parts Page 32 Steering Linkage Geared SS 536 SS 546 MX 600...