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SERIES C<br />
LUBRICATION<br />
LUBRICANT AND QUANTITY<br />
Unit sizes C03, 04, 05 and 06 are factory filled with a grade 6G lubricant.<br />
Unit sizes C07, 08, 09 and 10 will be despatched without oil.<br />
Note: Catalogue ratings are based on the polyglycol<br />
range of synthetic oils recommended on this page.<br />
The use of mineral or special oils will require a<br />
derate, please contact our Application Engineers.<br />
The oil grade is stamped on the name plate and the oil level should be established by filling until the oil escapes via the level plug,<br />
The grade and level are determined from the operating speed of the gear unit and the ambient temperature range, which if not given when<br />
ordering will be assumed to be 1450 rev / min input and ambient temperature range 0 to 95F. Oil grades and oil level should always be<br />
checked before installation, Consult the Installation and Maintenance instructions provided with the gear unit.<br />
To determine the oil grade refer to table 1, and then refer to the Installation and Maintenance instructions to select an approved lubricant<br />
To determine the oil capacity refer to appropriate table 2 or 3. Oil capacities are only approximate and units should be filled until oil escapes<br />
from the level plug holes. Do not overfill as excess will cause overheating and leakage.<br />
Always fill with correct lubricant as marked on the nameplate. Never mix lubricant grades.<br />
See Installation and Maintenance instructions for lists of approved lubricants within the grades.<br />
Unless stated with the order these operating conditions will be assumed<br />
TABLE 1 SERIES C OIL GRADES<br />
GEAR UNIT DETAILS AMBIENT TEMPERATURE RANGE *<br />
UNIT TYPE RATIO RANGE INPUT SPEED(REV / MIN) -22ºF to 68ºF 32ºF to 95ºF 68ºF to 122ºF<br />
0 - 750 6G 6G 8G<br />
8 - 18<br />
0>750 - 2000 5G 6G 7G<br />
>2000 - 3000 4G 6G 6G<br />
DOUBLES<br />
0 - 2000 6G 6G 8G<br />
20 - 36<br />
>2000 - 3000 5G 6G 7G<br />
40 - 250 0 - 3000 6G 6G 8G<br />
0 - 750 6G 7G 9G<br />
< - 2800<br />
QUADRUPLES<br />
>750 - 3000 6G 6G 8G<br />
3200 - 16000 0 - 3000 6G 7G 9G<br />
* For other ambient temperatures please refer to our Application Engineers.<br />
TABLE 2 LUBRICANT QUANTITY (LITERs †) (double reduction and final stage quadruple reduction)<br />
MOUNTING POSITION<br />
DOUBLE, TRIPLE AND FINAL STAGE QUADRUPLE REDUCTION<br />
Unit Size C0321 C0331 C0421 C0431 C0521 C0531 C0621 C0631 C0721 C0731 C0821 C0921 C1021<br />
1<br />
Level 1 *<br />
4.5 4.8 7.1 17 28<br />
0.3 0.4 0.4 0.5 0.7 0.9 1.5 2.1<br />
Level 2 * 3.0 3.8 5.9 11 17<br />
2 0.5 0.8 0.7 0.9 1.0 1.4 2.3 2.5 3.5 3.7 6.2 12 21<br />
3 0.5 0.8 0.7 0.9 1.0 1.4 2.2 2.5 3.7 3.7 6.2 12 21<br />
4<br />
Level 1 *<br />
5.1 5.9 9.5 17 26<br />
0.7 1.2 1.0 1.5 1.4 2.1 3.1 4.0<br />
Level 2 * 3.0 3.6 4.8 8.3 14<br />
5 0.6 1.0 0.9 1.3 1.4 2.0 3.0 4.6 5.6 6.6 9.6 18 31<br />
6<br />
Level 1 *<br />
7.4 9.2 12 25 42<br />
0.7 1.2 1.0 1.5 1.4 1.9 3.2 4.0<br />
Level 2 * 5.1 6.9 9.5 17 28<br />
* Use Level 1 for output speeds lower than 100 rpm * Use Level 2 for output speeds of 100 rpm and higher.<br />
† 1 LITER = 0.26 gallon (US)<br />
TABLE 3 LUBRICANT QUANTITY (LITERs †) (primary stage quadruple reduction)<br />
PRIMARY STAGE QUADRUPLE REDUCTION<br />
Unit Size C0341 C0441 C0541 C0641 C0741 C0841 C0941 C1041<br />
SECONDARY UNIT<br />
(Lubricant quantity see table 2)<br />
C0321 C0421 C0521 C0621 C0721 C0821 C0921 C1021<br />
PRIMARY UNIT M0122 M0122 M0122 M0322 M0322 M0522 M0522 M0722<br />
PRIMARY QUANTITY • 1 to 4 0.5 0.5 0.5 0.8 0.8 1.5 1.5 2.6<br />
(Unit lubricant)<br />
5 & 6 1.0 1.0 1.0 1.4 1.4 2.6 2.6 4.7<br />
• Unit filled with Grade 6E lubricant suitable for all ambient temperatures between 32F to 95F and are ‘lubricated for life’<br />
12
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