Nexen TL20A-E, User Manual

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16 FORM NO. L-21174-E-1209
ORDERING REPLACEMENT PARTS
The item or balloon number for all Nexen products is used for part identification on all product parts lists, product price
lists, unit assembly drawings, bills of materials, and instruction manuals.
When ordering replacement parts, specify model designation, item number, part description, and quantity. Purchase
replacement parts through your local Nexen Distributor.
ROTARY SEAL CHANGE
Torque Limiters have been improved with a new style rotary seal (excluding TL20A-E models). Be sure to order the correct
seal style for your Torque Limiter. When ordering the Rotary Seal (Item 15), use the serial number on the Torque Limiter
NOTE: If serial number information is unavailable, refer to Figure 6 to
determine if you have the old or new style rotary seal design.
• On the new models, the rotary seal is located in the Drive Flange.
• On the old design, the rotary seal is seated in the Cylinder.
Size Unit Number 1st Serial Number with
New Rotary Seal
Exceptions
30 802914 1424569*
* A small number of size 30
units with lower serial
numbers may have the new
rotary seal. Refer to Figure 6
to verify seal style.
30 802915 1442468*
30 802916 1441043*
30 802961 1431608*
30 all others 1444909
40 802909 1544497
40 802922 1535781
40 802924 1543391
40 802926 1567197
40 802929 1598674
40 802981 1532006
40 802992 1543451
40 all others 1536543
50 802932 1553665
50 802934 1569641
50 802936 1535354
50 all others 1527467
60 802942 1501842
1539815, 1539816,
1554128, 1554129
Built
with
old
rotary
seal
60 802945 1515016 1548616
60 802949 1515074 1527666
60 802952 1505031
60 802996 1489629
60 803008 1469946
60 803012 1554168 1554168
60 all others 1481480
20 all -----
Built with old rotary seal.
TABLE 7
TABLE 6
to determine rotary seal style used on the unit. Table 7 lists the serial numbers of the
first units built with the New Rotary Seal. All units built before that were use old style
rotary seals.
After determining what style seal is required, refer to Table 6 to select the rotary seal
part number.
Size
New Rotary Seal
Part Number
20 N/A
30 170216
40 170320
50 170322
60 170249
Old Rotary Seal Part Number
20 3019
30 3020
40 3021
50 3022
60 3023