31
4.16 MOTOR GREASING
The induction-type squirrel cage motor has antifriction
ball bearings, front and rear. At periodic intervals they
require re-lubrication.
Re-lubrication Interval (or 9 mos., whichever comes
first)
1000 hours all TEFC drive motors
2000 hours all ODP drive motors
Re-lubrication Amount:
Motor
Frame
Lubricant Amount
Size
cu in
cc
oz
grams
254-286
1.0
16
.8
23
Improper lubrication can be a cause of motor bearing
failure. The quantity of grease added should be care-
fully controlled. The smaller motors must be greased
with a lesser amount of grease than larger motors.
When re-greasing, stop motor. Disconnect power: lock
out and tag. Remove outlet plugs (or spring-loaded
grease relief plugs if present). The outlet plug may not
be accessible on the fan end of some TEFC motors.
Grease relief along shaft can occur, precluding neces-
sity of removing this plug if inaccessible. Remove the
plug from the top of the housing on each end of the
motor and install grease fittings. The inlet grease gun
fittings and outlet plugs (or spring-loaded relief’s) are
located at each end of the motor housing.
1. Clean drain hole of any hard grease (use piece of
wire if necessary).
2. Use a hand lever type grease gun. Determine in
advance the quantity of grease delivered with each
stroke of the lever. A graduated cylinder showing cubic
centimeters (cc) may be used, or a 35mm film canister
can give a close approximation for 2 cubic inches of
volume when filled.
3. Add the recommended volume of the recommended
lubricant. Do not expect grease to appear at the outlet,
but if it does, discontinue greasing at once.
4. Run motor for about 30 minutes before replacing
outlet plugs or reliefs. BE SURE TO SHUT MOTOR
DOWN, DISCONNECT POWER, LOCK OUT AND
TAG, AND REPLACE THESE DRAIN FITTINGS TO
PRECLUDE LOSS OF NEW GREASE AND
ENTRANCE OF CONTAMINANTS!
MOTOR BEARING MAINTENANCE-STORED UNITS
To ensure that complete contact is maintained
between the motor bearings and the bearing grease
on units to be placed in storage for extended intervals,
the following motor maintenance procedure should be
adhered to:
1. Prior to placing a unit in storage, rotate the motor
several revolutions by hand in the proper direction of
rotation.
2. Thereafter, rotate the motor as described in Step 1
at three month intervals until such time as the unit is
placed in service.
3. The storage time should not exceed a total of nine
(9) months duration.
Recommended Motor Grease
Most motors require:
Mobilith SHC 220 . . . . . . . . . . . . . . . . . . . . . . .Mobil
Use the grease as indicated on a special grease infor-
mation nameplate on the motor. Use of alternative
greases can result in shortened motor life due to
incompatibility of greases. If there is not a grease
nameplate on the motor use:
Chevron Black Pearl #2
(Preferred) . . . . . . . . . . . . .Standard Oil of California
Chevron SRI 2 . . . . . . . . . .Standard Oil of California
Содержание EP 20-ESP
Страница 35: ...33 6 0 REFERENCE DRAWINGS 6 1 ELECTRICAL SCHEMATIC FULL VOLTAGE 39884143 REV 01...
Страница 36: ...34 6 2 ELECTRICAL SCHEMATIC STAR DELTA 39884150 REV 01...
Страница 38: ...36 6 4 FOUNDATION PLAN TANK MOUNTED CONTINUED 39871975 REV 03...
Страница 39: ...37 6 4 FOUNDATION PLAN TANK MOUNTED 39871975 REV 03...
Страница 40: ...38 6 5 FOUNDATION PLAN BASE MOUNTED CONTINUED 39872835 REV 03...
Страница 41: ...39 6 5 FOUNDATION PLAN BASE MOUNTED 39872835 REV 03...
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Страница 46: ...44 39880844 REV 01...
Страница 48: ...46 39872031 REV 01 SEE PIPING ASSEMBLY OPTIONS...
Страница 52: ...50 39872023 REV 02 TO AFTERCOOLER TO AFTERCOOLER...
Страница 57: ...55 DATE RUN TIME WORK DONE QTY UNIT WORK HOURS MEASURE BY 8 0 MAINTENANCE RECORD...
Страница 58: ...56 DATE RUN TIME WORK DONE QTY UNIT WORK HOURS MEASURE BY MAINTENANCE RECORD...
