background image

2

FORM NO. L-21174-E-1209

In accordance with Nexen’s established policy of constant product improvement, the specifications contained in this 
manual are subject to change without notice.  Technical data listed in this manual are based on the latest information 
available at the time of printing and are also subject to change without notice.

Technical Support:

800-843-7445

(651) 484-5900

www.nexengroup.com

Nexen Group, Inc

.

560 Oak Grove Parkway

Vadnais Heights, Minnesota 55127

ISO 9001 Certified

Copyright 2009 Nexen Group, Inc.

This document is the original, non-translated, version.

Conformity Declaration:  In accordance with Appendix II B of CE Machinery Directive (2006/42/EC):  

A Declaration of Incorporation of Partly Completed Machinery evaluation for the applicable EU directives was 
carried out for this product in accordance with the Machinery Directive. The declaration of incorporation is set 
out in writing in a separate document and can be requested if required.

This machinery is incomplete and must not be put into service until the machinery into which it is to be 
incorporated has been declared in conformity with the applicable provisions of the Directive.  

Read this manual carefully before installation and operation.  

Follow Nexen’s instructions and integrate this unit into your 

system with care.  This unit should be installed, operated and 

maintained by qualified personnel ONLY.  Improper installation 

can damage your system, cause injury or death.  Comply with 

all applicable codes.  

DANGER

Содержание TL20A-E

Страница 1: ...1 FORM NO L 21174 E 1209 Enclosed Torque Limiter Models TL20A E TL30A E TL40A E TL50A E TL60A E TL20A E 2 TL30A E 2 TL40A E 2 TL50A E 2 TL60A E 2...

Страница 2: ...ry Directive 2006 42 EC A Declaration of Incorporation of Partly Completed Machinery evaluation for the applicable EU directives was carried out for this product in accordance with the Machinery Direc...

Страница 3: ...nections 8 Electrical Connections 8 Adjustments 9 Operation 9 Troubleshooting 10 Parts Replacement Repairs 11 Torque Limiter Removal and Disassembly 11 Cylinder Piston Ball Bearing and O ring Seals 12...

Страница 4: ...TION Non enclosed Torque Limiters have a pinch point between the driving and driven elements of the torque interface Keep hands clear CAUTION Torque Limiters connect a driving and driven shaft Keep ha...

Страница 5: ...T N E M N G I L A S I M r a l u g n A l a i x A l e l l a r a P E A 0 2 L T 0 8 9 9 0 9 s e e r g e D 5 1 7 0 0 3 1 0 0 2 E A 0 2 L T 0 8 9 9 0 9 s e e r g e D 5 1 7 0 0 3 1 0 0 E A 0 3 L T 0 8 0 0 1...

Страница 6: ...Align the keyway of the Torque Limiter with the shaft and key then slide the Torque Limiter onto shaft 4 Tighten the four Set Screws Item 1 5 Tighten the two Set Screws Item 18 Set Screws Item 1 Custo...

Страница 7: ...tors If you are not using a Nexen lubricator calibration must follow the manufacturer s suggested procedure 4 Close the air line to the unit when a drop of oil forms in the Lubricator Sight Gage 5 Con...

Страница 8: ...aking air line connections Torque on the air line caused by bearing drag may be relieved by resting the air line on a support parallel to the torque limiter center line Align the air inlet port to the...

Страница 9: ...e 5 FIGURE 5 PROXIMITY SENSOR NOTE The Nexen Torque Limiter is equipped with a proximity sensor to detect torque overloads It is impor tant that the sensor be positioned so the dowel pin just moves in...

Страница 10: ...cient air pressure to the Torque Limiter Check the air lines for leaks and replace damaged air lines Damaged or leaking O ring Seals Replace the O ring Seals Nuisance Tripping Proximity Sensor not pro...

Страница 11: ...ocation has changed except for in TL20A E models If Torque Limiter has old rotary seal design seal is located in the Cylinder Piston Assembly Items 8 9 Refer to Table 6 and Figure 6 to determinewhatst...

Страница 12: ...ing bore of the Piston Item 8 with fresh solvent makingsurealloldLoctite residueisremoved 7 Apply an adequate amount of Loctite 680 to evenly coat the outer race of the new Ball Bearing Item 21 and pr...

Страница 13: ...e Drive Flange Assembly Item 19 with fresh solvent making sure all old Loctite residue is removed 4 Apply an adequate amount of Loctite 680 to evenly coat the outer race of the new Ball Bearings Item...

Страница 14: ...l between models 6 Lubricate the Hub spline with Never Seez and the lip of the Rotary Seal with a lubricant shown in Table 4 7 Pressing on inner race of Ball Bearing Item 21 press Cylinder Piston Asse...

Страница 15: ...2 2 2 2 7 Hub 1 1 1 1 1 8 Piston 1 1 1 1 1 9 Cylinder 1 1 1 1 1 10 Drive Ring 1 1 1 1 1 11 Back Up Ring Seal Large 1 1 1 1 1 12 O ring Seal Large 1 1 1 1 1 13 O ring Seal Small 1 1 1 1 1 14 Back Up R...

Страница 16: ...l 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 8029...

Страница 17: ...l a e S g n i R p u k c a B 6 1 n i P r e n e f f i t S g n i r p S 7 1 g n i r p S n o i s s e r p m o C 1 2 g n i r a e B l l a B 2 2 g n i r a e B l l a B TABLE 9 L E D O M R E B M U N T I K R I A...

Страница 18: ...TURE WHATSOEVER WHETHER ARISING OUT OF BREACH OF WARRANTY OR OTHER BREACH OF CONTRACT NEGLIGENCE OR OTHER TORT OR OTHERWISE EVEN IF NEXEN SHALL HAVE BEEN ADVISED OF THE POSSIBILITY OR LIKELIHOOD OF SU...

Отзывы: