Nexen TL20A-E User Manual Download Page 1 | Manualshive

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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

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Summary of Contents for TL20A-E

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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