Ingersoll-Rand 100-200 HP/75-160 KW, 125-200 HP/90-160 KW technical manual Motor Lubrication

4.10 MOTOR LUBRICATION

The induction-type squirrel cage motors have antifriction ball or roller bearings front and rear. At periodic intervals they require relubrication.

	Relubrication Interval - 60 Hz
	(or 9 months, whichever comes first)
	1000 hours	......................................		all TEFC drive motors
	2000 hours	.........all ODP drive motors and all fan motors
	Relubrication amount
				Lubricant Amount
	Motor Frame Size		in3	cc	oz.	grams
	182-215		.5	8	.4	11
	254-286		1.0	16	.8	23
	324-365		1.5	25	1.2	34
	404-449		2.5	40	2.0	57
	5000 Frame Series		1.0	16	.8	23
Relubrication Interval - 50 Hz
(or 9 months, whichever comes first)
2000 hours			M90 - 160 KW TEFC drive motors
4000 hours				M75 TEFC drive motors

Relubrication amount

		Lubricant Amount
Motor Frame Size	in3	cc	oz. grams
M75-160	As indicated on motor
	nameplate

Improper lubrication can be a cause of motor bearing failure. The quantity of grease added should be carefully controlled. The smaller motors must be greased with a lesser amount of grease than larger motors.

CAUTION

Overgreasing can be a cause of bearing and motor failure. Make sure dirt and contaminants are not introduced when adding grease.

Procedure for relubrication

CAUTION

Grease should be added when the motor

is stopped and power disconnected.

When regreasing, 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.

NOTICE

Motors must be greased periodically.

See Operator’s Manual for procedure.

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