D20, D20VSD, D20TD, D20TDVSD-C
Feb ‘14
- 12
AC Motor Maintenance Instructions
Cleaning.
To ensure that the Motor operates at optimum temperatures and provides years of trouble-free service,
periodically clean the outside of the Motor Housing of any build-up of dust, etc. Though it is not anticipated that, if
installed correctly and in a suitable environment, there should be much build-up on the Motor, keeping the
Housing clean will allow the Motor to operate more efficiently.
Lubrication.
This is a ball bearing motor. The bearings have been lubricated at the factory. Motors that do not have re-grease
capability are factory lubricated for the normal life of the bearings.
Noted below is a chart outlining the interval at which the Motor should be lubricated, this based on the Motor
horsepower. This must be part of a regular maintenance schedule.
Motor HP
Interval Weight of Grease Volume of Grease
in Hours Ounces Grams Cubic Inch Teaspoon
20 2,000 0.81 23.1 1.5 5.2
The above chart is based on a standard environment in which the Motor is operating of 40°C. For other
conditions, please multiply the Hour Interval from the chart above by the factor as indicated below.
Severity of Duty Factor Environmental Conditions
Standard 1.0 40°C, clean, little corrosion
Severe 0.5 50°C, moderate dirt, corrosion
Extreme 0.1 > 50°C, severe dirt, abrasive dust
Low Temperature 1.0 < 30°C
Lubricant.
Baldor motors are pre-greased, normally with Chevron SR #2. Equivalent and compatible greases are Texaco
Polystar, Shell Dolium R and Amoco Rykon Premium #2.
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