For Motors - Milnor 42044CP2 Mantenimiento

Chapter 3. Routine Maintenance
Procedures for Motors
3.1.4.2.
grease maintenance is necessary. If a motor on your machine has grease fittings, it is necessary to
add grease. But the interval is usually longer than for other maintenance.
grease intervals and quantities for motors with specified frame sizes and speeds. You get this data
from the motor nameplate. Use
machine.
Figure 6: Motor Grease Maintenance Conditions
Grease Fitting and Grease Relief
Motor Nameplate
.
CAUTION 24 : 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.
PELLERIN MILNOR CORPORATION
—If a motor on your machine does not have grease fittings, no
Table 7 in Section 3.1.2
Grease Fittings, No Reliefs or Drains
1.
2.
3.
4.
5.
28
Table 11
to record the data for the motors on your
Grease Fitting and Grease Drain
Legend
Grease fitting
Grease relief. Do not remove.
Grease drain plug. Remove first.
RPM (motor speed). This example is 1465
RPM at 50 Hz and 1765 RPM at 60 Hz.
NEMA (IEC) frame size. Example: 256T
gives motor