I.B. 3A74792H04
Page 33
Effective 7/97
is definite evidence of sluggishness, dirt or parts are dis-
mantled for some reason.
If it becomes necessary to disassemble the mechanism,
the bearings and related parts should be thoroughly
cleaned. Remove old grease in a good grease solvent.
Do not use carbon tetrachloride. They should then be
washed in light machine oil until the cleaner is removed.
After the oil has been drawn off, the bearings should be
packed with Cutler-Hammer Grease 53701QB or equiv-
alent.
Rated Continuous
Current (amperes)
600
1200
1600
2000
Resistance
(microohms)
92
90
88
72
Table 6.3 Typical Resistance Measurements
6-12 TROUBLESHOOTING CHART (Continued Next Page)
SYMPTOM
INSPECTION AREA
PROBABLE DEFECTS
Fails To Close
• Closing Springs not charged
• Control Circuit
• Control Power
(fuse blown or switch off)
• Secondary Disconnects
• Motor Cut-off Switch
(Poor or burned contacts,
Lever not operational)
• Terminals and connectors
(Poor or burned contacts)
• Motor
(Brushes worn or commutator
segment open)
• Mechanism
• Pawls
(Slipping or Broken)
• Ratchet Wheel
(Teeth worn or broken)
• Cam Shaft Assembly
(Sluggish or jammed)
• Oscillator
(Reset spring off or broken)
Summary of Contents for Cutler-Hammer VCP-W
Page 2: ......
