Baldor BD Series User Manual page 34

BALDOR AIR COMPRESSOR
Work: continuously work.
Maintenance
Often keep the use environment dry, the motor surface clean. The air inlet shall not be affected by
dust, fiber, and other obstacles.
Should check motor whether overload or low setting value of protection device when the motor's
heat-protector and short circuit protection always fault. It can be work again only after removing the fault.
Ensure that there is good lubrication in the motor bear work. When running 2000 h, should add grease
which is the UNIREXN2 oil that ESSO company produces. The amount is determined as below:
G
G =
injection volume of fulfill grease, g
P
D= bearing outside diameter, mm
B= total bearing width, mm
Grease will accelerate aging along with temperature rising, so when the temperature is over 70 ℃, each
15 ℃ rising, time of add must be reduced by half, but the highest temperature should not exceed 120 ℃.
When temperature is below 70 ℃, the interval can be appropriately extended, but even in the lowest
temperature operation, the interval also should not be more than 3000 hours.
=0.005DB
p
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