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DS2509 MXS Disc Brake Caliper - Spring Applied, Pneumatically Released

DS2509 MXS Disc Brake Caliper - Spring Applied, Pneumatically Released
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DS2509 MXS Disc Brake Caliper - Spring Applied, Pneumatically Released

Product catalog summary
Overview: The document provides technical specifications and procedures for the MXS Disc Brake Caliper, which is spring-applied and pneumatically released. It includes details on dimensions, braking torque, and installation procedures.
Specifications:
  • The MXS Disc Brake Caliper is available in different models (MXS 9.6, 7.5, 4.6) with varying weights and dimensions.
  • Maximum air pressure is 7 bar, and the braking torque is calculated based on the tangential force and effective disc radius.
  • Disc diameters range from 300 mm to 915 mm, with specific dimensions for new and worn pads.
  • Thruster volume displacement at full retraction is 1.19 liters.
Procedures:
  • For diaphragm replacement, ensure the air supply is disconnected, remove the push rod, and replace the diaphragm using M5 bolts with a tightening torque of 5.7 Nm.
  • Thruster fitment involves extending the thruster rod, aligning it with the caliper, and securing it with lock nuts and a tension spring.
Standards and Recommendations:
  • Use Twiflex asbestos-free brake pads to maintain warranty validity.
  • Follow bedding-in and conditioning procedures as per Publication M1060.
  • Twiflex reserves the right to modify designs without prior notice.
Available Spares:
  • Diaphragm Kit (Part No. 7902798)
  • Self Adjusting Repair Kit (Part No. 7902982)
  • Spring Kit (Part No. 7902800)
Contact Information: Twiflex Limited, 9 Briar Road, Twickenham, Middlesex TW2 6RB, England. Phone: +44 (0) 20 8894 1161, Fax: +44 (0) 20 8755 5601.
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Catalog excerpts

DS2509 MXS Disc Brake Caliper - Spring Applied, Pneumatically Released-1

LimitedMXS Disc Brake Caliper - Spring Applied, Pneumatically Released Nominal dimensions given For caliper dimensions see DS2500 Weight MXS 9.6 caliper and thruster - 12.1kg MXS 7.5 caliper and thruster - 11.9kg MXS 4.6 caliper and thruster - 11.5kg Caliper only - 7.0kg Volume displacement of thruster at full Retraction is 1.19 l Maximum pressure - 7 bar The ratings shown on the above graph are based on fully bedded and conditioned brake pads with nominal friction coefficient j = 0.4. For bedding-in and conditioning procedures see Publication M1060. Braking Force is defined as the Tangential Force acting on the brake disc at the Effective Disc Radius. Braking Torque (Nm) = Braking Force (N) x Effective Disc Radius (m) where Effective Disc Radius = Actual Disc Radius - 0.033. Twiflex Disc Brakes must be used with Twiflex asbestos free brake pads.The use of any other brake pads will invalidate the warranty. Twiflex Limited reserves the right to modify or change the design without prior notice.

 Open the catalog to page 1
DS2509 MXS Disc Brake Caliper - Spring Applied, Pneumatically Released-2

MXS Disc Brake Caliper - Spring Applied, Pneumatically Released G 3/8 (3/8" BSP) 114 (Fully Extended) 79 (Fully Retracted) Thruster Part Number: XS 9.6 7201222 XS 7.5 7201046 XS 4.6 7201076 AVAILABLE SPARES Caliper Arms Item Component Part No. 1 Diaphragm Kit 7902798 2 Self Adjusting Repair Kit 7902982 3 Spring Kit 7902800 6mm This range of pneumatically operated brakes uses dry and filtered compressed air at pressures up to 7 bar. Push Rod Locknut Thruster Pneumatic brakes require a control valve which may be operated either manually, or by pneumatic or electrical signal. Should it become necessary...

 Open the catalog to page 2

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