Baldor MN605, Инструкция по установке и эксплуатации

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2-4 MN605
Table 2-5 Minimum Blower CFM for DPBV Motors (Drip Proof Blower Ventilated)
Blower Size Motor Frame
Size
Blower CFM Blower Static Pressure
(In H
2
O)
LM2 180 55 0.50
LM3 180 150 1.45
LM3 210 175 1.45
LM3 250 215 0.78
LM4 280 350 0.88
LM6 320 780 2.80
LM6 360 780 2.80
LM6 400 820 2.50
LM8 504-506 1120 1.58
LM9 508-5012 2000 5.00
Each motor nameplate is stamped with the above data for DPBV (less Blower), DPSV and TEPV enclosures.
Caution: Motors designed for forced ventilation must have cooling air when fields are excited at rated voltage.
Installations having the air supply interrupted when the motor is not operating must have field
disconnected or field voltage reduced to 67% rated by means of field economizing resistor and relay or
motor insulation life will be significantly reduced.
Initial Start-Up
If driven equipment can be damaged by rotating in the wrong direction, uncouple the motor from the load before
checking for rotation.
Caution: Series wound motors must never be allowed to run with no load (broken belt etc.) An unloaded motor may
reach destructive high speeds.
If the direction of rotation needs to be corrected, disconnect the input power supply and interchange the
appropriate leads. Refer to the motor connection diagrams in Section 4 of this manual.
1. The first start-up and running of the motor should be with the motor uncoupled from the load.
2. Check the direction of rotation by momentarily applying power to the motor.
3. With the motor running, make sure it’s running smoothly without too much noise or vibration. If either are
present, shut down the motor immediately and find the cause of the problem.
Coupled Start-Up
1. After the first successful no load start-up, stop the motor and assemble the coupling.
2. Align the coupling and be sure it is not binding in any way.
3. The first coupled start-up should be without load. Check to see that the driven equipment is not transmitting
any vibration back to the motor through the coupling or the base. Vibrations (if any) should be within
acceptable levels.
4. Run about 1 hour with driven equipment unloaded.
5. After completing these steps, the motor can now be loaded.
6. Do not exceed the value of armature nameplate amperes under steady continuous loads.