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FORM NO. L-20286A-1199
In accordance with Nexen’s policy of product improvement, the specifications and technical data contained in this manual are subject to change without notice and are based on the latest information
available at the time of printing.
W A R N I N G
W A R N I N G
W A R N I N G
W A R N I N G
W A R N I N G
Special attention should be exercised when working
Special attention should be exercised when working
Special attention should be exercised when working
Special attention should be exercised when working
Special attention should be exercised when working
with Retaining Rings. Always wear safety goggles
with Retaining Rings. Always wear safety goggles
with Retaining Rings. Always wear safety goggles
with Retaining Rings. Always wear safety goggles
with Retaining Rings. Always wear safety goggles
when working with spring or tension loaded fasteners
when working with spring or tension loaded fasteners
when working with spring or tension loaded fasteners
when working with spring or tension loaded fasteners
when working with spring or tension loaded fasteners
or devices.
or devices.
or devices.
or devices.
or devices.
8.
Remove the Retaining Ring (Item 9) (See Figure 1).
9.
Press Friction Disc Hub (Item 1) out of the old Bearing (Item
8) (See Figure 1).
10. Slowly unclamp Spring Housing (Item 4) from Plate (Item 3)
and discard these items. Retain Compression Springs
(Item 15) for reinstallation.
N O T E
N O T E
N O T E
N O T E
N O T E
Machine Screws (Item 14) on some older TSE Brakes
Machine Screws (Item 14) on some older TSE Brakes
Machine Screws (Item 14) on some older TSE Brakes
Machine Screws (Item 14) on some older TSE Brakes
Machine Screws (Item 14) on some older TSE Brakes
are installed with a red anaerobic thread locking
are installed with a red anaerobic thread locking
are installed with a red anaerobic thread locking
are installed with a red anaerobic thread locking
are installed with a red anaerobic thread locking
compound. If removal is difficult, strike the end of the
compound. If removal is difficult, strike the end of the
compound. If removal is difficult, strike the end of the
compound. If removal is difficult, strike the end of the
compound. If removal is difficult, strike the end of the
screwdriver with a hammer to break the crystalline
screwdriver with a hammer to break the crystalline
screwdriver with a hammer to break the crystalline
screwdriver with a hammer to break the crystalline
screwdriver with a hammer to break the crystalline
structure of this compound before attempting to
structure of this compound before attempting to
structure of this compound before attempting to
structure of this compound before attempting to
structure of this compound before attempting to
remove the machine screws.
remove the machine screws.
remove the machine screws.
remove the machine screws.
remove the machine screws.
Inspect Friction Facing (Item 5) for wear or damage
Inspect Friction Facing (Item 5) for wear or damage
Inspect Friction Facing (Item 5) for wear or damage
Inspect Friction Facing (Item 5) for wear or damage
Inspect Friction Facing (Item 5) for wear or damage
and order new replacement kit if necessary. Otherwise,
and order new replacement kit if necessary. Otherwise,
and order new replacement kit if necessary. Otherwise,
and order new replacement kit if necessary. Otherwise,
and order new replacement kit if necessary. Otherwise,
retain Friction Facing for reinstallation.
retain Friction Facing for reinstallation.
retain Friction Facing for reinstallation.
retain Friction Facing for reinstallation.
retain Friction Facing for reinstallation.
11. Remove old Machine Screws (Item 14) and Friction
Facings (Item 5).
N O T E
N O T E
N O T E
N O T E
N O T E
Do not reuse these Machine Screws (Item 14).
Do not reuse these Machine Screws (Item 14).
Do not reuse these Machine Screws (Item 14).
Do not reuse these Machine Screws (Item 14).
Do not reuse these Machine Screws (Item 14).
12. Using a bearing puller, remove old Bearing (Item 8) from
Spring Housing (Item 4) and discard these items (See
Figure 1).
13. Apply an adequate amount of Loctite
®
680 to evenly coat
O.D. of the new Bearing (Item 8) and press the new
Bearing into new Spring Housing Assembly (Item 4).
14. Equally space Compression Springs (Item 15) in the
spring pockets of the new Spring Housing Assembly
(Item 4).
15. Using new Machine Screws (Item 14), install the Friction
Facing (Item 5) onto new Plate (Item 3).
16. Tighten the Machine Screws (Item 14) to 5 Ft. Lbs. [6.77
N•m] torque.
17. Slide the new Plate (Item 3) onto the pins of the Spring
Housing Assembly (Item 4).
18. Using 'C'-clamps, compress the Plate (Item 3) against
the Compression Springs (Item 15) and Spring Housing
Assembly (Item 4).
19. Press the Friction Disc Hub (Item 1) into the new
Bearing (Item 8).
20. Reinstall the Retaining Ring (Item 9).
21. Press the Piston (Item 2) into the Spring Housing Assembly
(Item 4).
22. Apply Loctite
®
242 to entire length and under heads of
the new Socket Head Cap Screw (Item 16). Alternately
and evenly tighten Socket Head Cap Screws to 13.0 Ft.
Lbs. [17.6 N•m] torque.
N O T E
N O T E
N O T E
N O T E
N O T E
Loctite
Loctite
Loctite
Loctite
Loctite
®
®
®
®
®
must seal all air gaps between Socket Head
must seal all air gaps between Socket Head
must seal all air gaps between Socket Head
must seal all air gaps between Socket Head
must seal all air gaps between Socket Head
Cap Screws and clearance holes.
Cap Screws and clearance holes.
Cap Screws and clearance holes.
Cap Screws and clearance holes.
Cap Screws and clearance holes.
23. Install Spacers (Item 24) inside of the Compression
Springs (Item 7) and place these items into the pockets
of the Spring Housing Assembly (Item 24) (See Figure 3).
24. Clean the O-ring grooves of the Piston (Item 2).
25. Lubricate the new O-rings and O-ring contact surfaces
with a thin film of fresh O-ring lubricant.
N O T E
N O T E
N O T E
N O T E
N O T E
Avoid pinching of O-ring Seals when assembling
Avoid pinching of O-ring Seals when assembling
Avoid pinching of O-ring Seals when assembling
Avoid pinching of O-ring Seals when assembling
Avoid pinching of O-ring Seals when assembling
Piston and Cylinder.
Piston and Cylinder.
Piston and Cylinder.
Piston and Cylinder.
Piston and Cylinder.
26. Install the new O-ring Seals (Items 11 and 12).
27. Align Cylinder clearance holes and slide the Cylinder
(Item 10) onto the Piston (Item 2).
28. Apply Loctite
®
242 to the threads of new Socket Head
Cap Screws (Item 6). Alternately and evenly tighten
screws to 19 Ft. Lbs. [25.8 N•m] torque.
29. Remove 'C'-clamps securing Spring Housing Assembly
against Plate.
When ordering replacement parts, specify the model
designation, item number, part description, and quantity.
Purchase replacement parts through your local Nexen
Distributor.
REPLACEMENT PARTS
REPLACEMENT PARTS
REPLACEMENT PARTS
REPLACEMENT PARTS
REPLACEMENT PARTS
The item number or balloon number for all Nexen products
is used for part identification on all product parts lists, product
price lists, unit assembly drawings, bills of material, and
instruction manuals.
®
DIST. AUTORIZADO
MEX (55) 53 63 23 31
QRO (442) 1 95 72 60
MTY (81) 83 54 10 18
[email protected]
