77
5.2 SME three-phase AC motor
The power system of four-wheel electric forklift truck is composed of three-phase AC
drive motor and three-
phase AC lifting motor. It’s with function of speed sensor,
temperature sensor, simple construction, reliable performance, free of maintenance.
(Fig.5-3)
Fig.5-3 Structure of AC motor
1. Front cover
2. Bearing
3. Temperature sensor
4. Support cap
5. Stator
6. Rotor
7. Rear cover
8. Gear sensor
9. Speed sensor
5.2.1 Operating environment
Operate normally under the following conditions:
(1) Elevation is lower than 1200 meters.
(2) Air temperature ranges between -25
℃
and +40
℃
.
(3) Relative humidity is 100%.
5.2.2 Daily inspection and maintenance
(1) Always keep clean and no water, oil pollution or dust in the motor.
(2) Check the bearing for heat or leakage.
(3) The load current of the motor can’t be over rated current.
(4) If there is friction, scream or other noise, stop working at once, after removing the
failure, the motor will keep on working.
Summary of Contents for CPD10
Page 1: ......
Page 6: ...1 Ⅰ External view and specification External view of electric forklift truck ...
Page 26: ...21 2 General information when operating 3 Nameplate of forklift truck 4 Lubrication system ...
Page 27: ...22 5 Capacity chart 6 Inspections before starting 7 Adjust parking brake 8 Add hydraulic oil ...
Page 33: ...28 Fig 1 2 Gear box and differential 2 3t ...
Page 34: ...29 Fig 1 3 Differential ...
Page 57: ...52 Fig 4 2 Principle of electric system DC CPD10 25 ...
Page 58: ...53 Fig 4 3 Principle of electric system DC CPD30 ...
Page 60: ...55 Fig 4 5 Principle of electric system AC ...
Page 77: ...72 4 8 Harness Fig 4 10 Harness DC CPD10 30 ...
Page 78: ...73 Fig 4 11 Harness AC CPD10J 15J ...
Page 79: ...74 Fig 4 12 Harness AC CPD20J 30J ...
Page 81: ...76 Fig 5 1 Assembly diagram of lifting motor Fig5 2 Lifting motor ...
Page 101: ...96 3 Hydraulic oil circuit ...
Page 115: ...110 Fig 8 2 Inner and outer mast 2 3t ...
Page 124: ......