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FORM NO. L-21174-E-1209

GENERAL SPECIFICATIONS

Specifications

Torque: 

Up to 3130 Nm (27,700 in-lbs)

Actuation Pressure: 

1-5.5 bar (14.5-80 psi)

Service Temperature: 

4.5-104C (40-220F)

Approximate Weight: 

Up to 50.8 kg (112 lbs)

GENERAL SAFETY PRECAUTIONS

CAUTION

Some Torque Limiters can exceed 

100  lbs.    Use  lifting  aids  and 

proper  lifting  techniques  when 

installing, removing, or placing in 

service.  

WARNING

Ensure proper guarding of the Torque 

Limiter  is  used.    Nexen  recommends 

the  machine  builder  design  guarding 

in compliance with OSHA CFR 1910 

"Occupational  Safety  and  Health 

Hazards".  

CAUTION

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  hands 

clear.  

WARNING

Some Torque Limiter models are 

Spring Loaded.  Extreme caution 

should be used in disassembling 

and disposing of the unit.  

CAUTION

Watch  for  sharp  features  when 

installing and servicing the Torque 

Limiter.    The  TL  has  complex 

shapes and machined edges.   

CAUTION

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 hands clear.  

CAUTION

The temperature limits for 

the  TL  product  line  are 

4.5-104  Degree  Celsius 

(40-220 Degree F).  

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...

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