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FORM NO. L-21174-E-1209

O-RING

SEAL

BACK UP

RING SEAL

PRESSURE

SIDE

FIGURE 11

13. Supporting the inner race of the new Ball Bearing (Item

22), press the Drive Ring (Item 10) into the Cylinder
(Item 9) and new Ball Bearing.

14. Clean the O-rings and Back-Up Ring Seal grooves.

15. Lubricate the new O-ring Seals (Items 12 and 13),

Back-Up Ring Seals (Items 11 and 14), and seal contact
surfaces of the Piston (Item 8) and Cylinder (Item 9)
with a thin film of fresh o-ring lubricant.

NOTE: When installing new O-ring Seals (Items 12 and

13) and Back-Up Ring Seals (Items 11 and 14), make sure

the curved surface of the Back-Up Ring Seal matches

the curved surface of the O-ring Seal. The Back-Up Ring

Seals must be installed on the non-pressurized side of

the O-ring Seals.

16. Install new O-ring Seals (Items 11 and 14) and new

Back-Up Ring Seals (Items 11 and 14).

17. Press the Piston (Item 8) back into the Cylinder (Item

9).

Align this Ball

detent with Hub

key way.

3. Clean the bearing bore of the 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 21)
and press the new Ball Bearings into the Drive Flange
Assembly (Item 19).

5. Reinstall Retaining Ring (Item 5).

FIGURE 13

FIGURE 12

DRIVE FLANGE BALL BEARINGS

Refer to Figures 12 & 13.

1. Remove the Retaining Ring (Item 5) from the Drive

Flange (Item 19).

NOTE: The Drive Flange Assembly consists of: Machine

Screws, Ball Seat, Balls, and Drive Flange. If any of these

items show signs of wear or damage, the entire Drive

Flange Assembly (Item 19) must be replaced.

2. Fully support the Drive Flange Assembly (Item 19); then,

press the Ball Bearings (Item 21) out of Drive Flange
Assembly.

NOTE: Do not reuse the old Ball Bearings. Applying

force to the inner race to remove ball bearings held

by the outer race causes damage to the ball bearings.

WARNING

Special attention should be exercised

when working with retaining rings.

Always wear safety goggles when

working with spring or tension loaded

fasteners or devices.

CYLINDER/PISTON BALL BEARING AND O-RING SEALS (continued)

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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