Milnor 48040H7R, Maintenance Manual, Page: 32 / 85

Chapter 3. Routine Maintenance
PELLERIN MILNOR CORPORATION
Figure 5: Motor Grease Maintenance Conditions
Grease Fitting and Grease Relief Grease Fitting and Grease Drain
Motor Nameplate Grease Fittings, No Reliefs or Drains
Legend
1. Grease fitting
2. Grease relief. Do not remove.
3. Grease drain plug. Remove first.
4. RPM (motor speed). This example is 1465
RPM at 50 Hz and 1765 RPM at 60 Hz.
5. NEMA (IEC) frame size. Example: 256T
.
CAUTION 21 : Risk of damage —You can push grease into the windings and burn out the
motor if you fail to remove the grease drain plugs.
• If the motor has grease drain plugs, remove them before you add grease. If the motor has
grease relief fittings, it is not necessary to remove them.
Apply grease as follows:
1. Operate the machine or use manual functions to operate the motor until it is warm.
2. Remove power from the machine.
3. If the motor has grease drain plugs, remove them. See caution statement
21
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