Nexen 802870 User Manual Download Page 9

9

FORM NO. L-21026-D-0105

29. Install the Retaining Ring (item 30) in the Air

Chamber (item 9).

30. Remove all old lubricant residue on the O-ring

contact surfaces of the Air Chamber (item 9) and
Piston (item 13) with fresh safety solvent.

31. Coat the O-ring contact surfaces of the Air

Chamber (item 9) and Piston (item 13) with fresh O-
ring lubricant.

32. Coat the new O-ring Seals (items 10 and 11) with

fresh O-ring lubricant.

33. Install the O-ring Seal (item 10) into the Piston

(item 13).  Install the O-ring Seal (item 11) into the
Air Chamber (item 9).

34. Fully support the inner race of the Ball Bearing (item

8) and press the Hub (item 1) into the Bearing-Air
Chamber assembly.

35. Install the Retaining Ring (item 2) into the Hub (item

1) at the end where it meets the Air Chamber.

36. Slide the Friction Disc-Piston assembly onto the

Hub (item 1).  Press the Piston (item 13) into the Air
Chamber (item 9).

37. Slide a new Spring (item 5) and Spring Retaining

Washer (item 23) onto the hub.

38. Support the Hub (item 1) Press the Bearing-Pilot

Mount Disc assembly onto the Hub by pressing on
the inner race of the Ball Bearing (item 3).

39. Install the Retaining Ring (item 2) to the Hub (Item

1) at the end where it meets the Pilot.

CLUTCH ASSEMBLY   

(continued...)

®

DIST. AUTORIZADO

MEX (55) 53 63 23 31
QRO (442) 1 95 72 60

MTY (81) 83 54 10 18
[email protected]

Summary of Contents for 802870

Page 1: ...B275 Clutch Sheave Pilot and Coupling Mount FORM NO L 21026 D 0105 DIST AUTORIZADO MEX 55 53 63 23 31 QRO 442 1 95 72 60 MTY 81 83 54 10 18 ventas industrialmagza com...

Page 2: ...5900 www nexengroup com Copyright 2003 Nexen Group Inc Nexen Group Inc 560 Oak Grove Parkway Vadnais Heights Minnesota 55127 ISO 9001 Certified Read this manual carefully before installation and opera...

Page 3: ...ecifications 4 Accessories 4 Installation 5 Air Line Connections 6 Air Preparation 6 Clutch Assembly 8 Troubleshooting 10 Replacement Parts List 11 Warranty 12 DIST AUTORIZADO MEX 55 53 63 23 31 QRO 4...

Page 4: ...thermal horsepower rating of 0 05 at 1800 rpm The B 275 Clutch and Brake can operate at speeds up to 3600 rpm SPECIFICATIONS Product Number Bore Size Mounting Configuration Friction Facing Type 80287...

Page 5: ...he Pilot Mount B 275 Clutch 7 Insert and tighten the Set Screws provided with the Coupling Adapter BRAKE ADAPTER MOUNTING NOTE Refer to Figure 3 1 Using the Cap Screws provided with the Brake Adapter...

Page 6: ...w the use of lubricated air The preparation of the air is critical to the life of clutch brake seals To prepare the air filter the air to 5 microns or better The dew point specification should be 40 F...

Page 7: ...er race of the new Bearing item 3 7 Carefully align the outer race of the new Ball Bearing item 3 with the bore of the Pilot Mount Disc item 15 8 Support the Pilot Mount Disc item 15 Press the new Bal...

Page 8: ...22 Fully Support the Air Chamber item 9 and press the Hub item 1 out of the Air Chamber 23 Remove the Retaining Ring item 30 from the Air Chamber item 9 24 Fully support the Air Chamber item 9 and pr...

Page 9: ...nner race of the Ball Bearing item 8 and press the Hub item 1 into the Bearing Air Chamber assembly 35 Install the Retaining Ring item 2 into the Hub item 1 at the end where it meets the Air Chamber 3...

Page 10: ...of Never Seezfi or check the air line lubricator settings Failure to disengage Unexhausted air due to control valve malfunction Check for a control valve malfunction and replace the control valve if...

Page 11: ...0 Sheave Item 4 or ITEM DESCRIPTION QTY ITEM DESCRIPTION QTY 1 Hub 1 13 Piston 1 2 Retaining Ring Ext 2 15 Pilot Mount Disc pilot mount model only 1 3 Ball Bearing 1 18 Air Inlet Fitting 1 4 Sheave sh...

Page 12: ...RT OR OTHERWISE EVEN IF NEXEN SHALL HAVE BEEN ADVISED OF THE POSSIBILITY OR LIKELIHOOD OF SUCH POTENTIAL LOSS OR DAMAGE For all of the purposes hereof the term consequential damages shall include lost...

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