Baldor Global TEFC Series, Инструкция по установке и эксплуатации

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3-2 Maintenance & Troubleshooting MN409
Bearing Lubrication
Depending on the application and rating, the motor is equipped with either anti − friction or sleeve type
bearings. When properly cared for (ie., inspection and lubrication) bearings will provide years of
uninterrupted service. Use one of the following lubrication procedures, depending on the type of bearings
with which your motor is equipped.
Anti − Friction Bearing (Grease Lubricated)
G − Series AC motors are designed with the Baldor direct grease system which routes new grease directly
into the bearing.
The relubrication periods shown in Table 3-2 are offered as a guide for varying service conditions,
speeds, bearing types and operating hours.
Cleanliness is important in lubrication. Any grease used to lubricate anti
− friction bearings should be fresh
and free from contamination. Similarly, care should be taken to properly clean and grease inlet areas of
the motor to prevent grease contamination.
Mixing of lubricants must not be done. Lubricants from different manufacturers and of different
compositions may not be compatible, resulting in inadequate lubrication and bearing failure. If a lubricant
other than that listed on the motor nameplate and/or this instruction manual is desired to be used, first
consult your local Baldor District office for approval and instructions. Do not use automotive greases,
greases with EP additives or greases other than those specifically listed on the motor lubrication
nameplate and this instruction manual. Failure to follow these instructions may result in lubrication
breakdown and bearing failure.
Recommended Lubricant
Refer to motor nameplate. Use only clean, fresh grease from clean containers.
A high grade ball or roller bearing polyurea base hydrocarbon grease should be used.
Recommended grease for standard service conditions is Polyrex EM (Exxon Mobil) .
Do not mix greases unless compatibility has been checked and verified.
Contact your Baldor District Office if you have compatibility questions.
Equivalent and compatible greases include:
Texaco Polystar, Rykon Premium #2, Pennzoil Pen 2 Lube and Chevron SRI.
Lubrication Instructions
1. Select Service Conditions from Table 3-1.
2. Select Lubrication Frequency and recommended volume fill from Table 3-2.
Table 3-1 Service Conditions
Standard
Conditions
Eight hours per day, normal or light loading,
clean ambient air at 40 ° C (100 ° F) maximum
Severe
Conditions Twenty four hours per day operation . or shock loading, vibration,
ambient air containing dirt
or dust at 40­50
° C (100 − 120 ° F)
Extreme
Conditions
Heavy shock or vibration, and dust
Table 3-2 Relubrication Intervals
Anti − Friction Bearings
Speed (RPM) Standard Conditions Severe Conditions Extreme Conditions
3000 6 months 3 months 2 months
3600 6 months 3 months 3 months
Roller Bearing (G40 Motors)
Less than 3000 4 months 2 months 1.5 months
This Manual:http://www.manuallib.com/baldor/mn409-large-ac-motors-handbook.html