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Industrial Division / Houston Motor Plant
 
SHEET NO.
 
3 of 3
 
 
ISSUED
 
01/24/96
 
Motor Operation Procedure
SUPERSEDES
 
NEW
 
 
Fig.  3 
 
 
TYPE OF SERVICE 
 
 
 SYNC. 
RPM 
RANGE 
FRAME SIZE 
STANDARD 
DUTY 
SEVERE 
DUTY 
VERY SEVERE 
DUTY 
 
 3600 
1800 ~ 900 
143T-256T 
143T-256T 
8 Mos. 
30 Mos. 
4 Mos. 
12 Mos. 
1 Mo. 
4 Mos. 
 
 Bearing 
Size 
6205/6206 
6207/6208/6305 
6306 
6308/6309 
Periodic Grease Amount 
3 Grams 
5 Grams 
10 Grams 
20 Grams 
 
 3600 
1800 ~ 900 
284T-365T 
284T-365T 
8 Mos. 
24 Mos. 
4 Mos. 
12 Mos. 
1 Mo. 
4 Mos. 
 
 Bearing 
Size 
6211 
6309 
6310/6312 
6314 
Periodic Grease Amount 
10 Grams 
20 Grams 
30 Grams 
50 Grams 
 
 3600 
1800 ~ 900 
404T-447T 
404T-447T 
8 Mos. 
18 Mos. 
4 Mos. 
8 Mos. 
1 Mo. 
3 Mos. 
 
 Bearing 
Size 
6216 
6313/NU317 
NU318/NU320 
6317/6318 
6320/6322/6324 
NU322/NU324 
NU328/NU2228 
Periodic Grease Amount 
20 Grams 
30 Grams 
50 Grams 
80 Grams 
80 Grams 
80 Grams 
100 Grams 
 
 
 
 
 
 
 
 
NOTES: 
1. 
When relubricating roller bearings divide the monthly service time by two. 
2. 
See Fig. 2 for definitions of Service Conditions. 
3. 
Gram quantity when using a typical low pressure hand grease gun equals 
 
(4 pumps = 5 grams) 
 
6. 
RECOMMENDED GREASES FOR SPECIAL APPLICATIONS 
 
 
The following greases are recommended for special applicaitons only and should be used only for motors 
specifically built for such conditions.
 
 
 
Minimum Ambient Temp. -60°C
 
 
 
Beacon 325 
Exxon Corp. 
 
 
Maximum Ambient Temp. 90°C 
 
 
DOW Corning 44 
Exxon Unirex S2 
DOW Corning Corp. 
Exxon Corp. 
 
 
WARNING:  In general it is not recommend to mix greases of different brands.  The mixing of different types of thickeners may destroy the 
composition  and physical properties of the grease.  In the event that a different grease is required by the end user, the following steps can 
be taken.  Using the instructions for lubrication, open grease outlet and purge the system as much as possible of the old or unwanted 
grease.  Repeat this same operation after 1 week of service.  Consult TOSHIBA/HOUSTON Engineering for further recommendations on 
grease compatibility.