Toshiba Air Conditioner Air Conditioner User Manual


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Industrial Division / Houston Motor Plant
SHEET NO. 3 of 3
ISSUED 01/24/96
Motor O
p
eration 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.
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