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Manitou Mara Pro Service Manual
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Manitou Mara Pro Service Manual

50 hour air can & piston
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MARA 50 HOUR AIR CAN & PISTON | SERVICE GUIDE

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Summary of Contents for Manitou Mara Pro

  • Page 1 MARA 50 HOUR AIR CAN & PISTON | SERVICE GUIDE...
  • Page 2 MANITOU 5800 W Donges Bay Rd Mequon, WI 53092 manitoumtb.com 888.686.3472 Support: manitoumtb.com/support Warranty: For full warranty information please visit hayesbicycle.com/warranty Revised September 16, 2020 11:49 AM...
  • Page 3 This manual is intended to guide the user through the steps necessary to service the air can and air piston of the Mara Pro and Mara Inline rear shock. We highly recommend that service to this shock be performed by a certified bicycle mechanic.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS SECTION PAGE NUMBER REQUIRED TOOLS AIR CAN REMOVAL 6–7 KING CAN SERVICE AIR CAN SERVICE 10–13 AIR PISTON SERVICE 14–15 AIR CAN INSTALL 16–17 50 HOUR AIR CAN & PISTON GUIDE...

  • Page 5: Required Tools

    - 10-oz Tub - Manitou Part Number 20-32929 - 5Ml Tube - Manitou Part Number 141-33604-K001 • Air Can Wrench - Manitou part number 142-37512-K033 • Air Can Seal Install Tool - Manitou part number 172-32193-K001 (Optional) • Plastic O-ring pick • Torque wrench •...

  • Page 6: Air Can Removal

    AIR CAN REMOVAL Remove valve cap, thread shock pump on. Note air pressure and use pump’s re- lease valve to release all air from shock. (Use a 3mm hex key to gently depress the valve, ensuring all air is re- leased.) CAUTION Do not proceed to next...
  • Page 7 AIR CAN REMOVAL Place shock in a hand dyno or in a bicycle frame, compress the shock. At this point unthread the air can fully. Remove air can, bumper, and spacers (if present). These may remain in the air can, locate and save for later re- assembly.
  • Page 8 KING CAN SERVICE Remove wire ring and slide outer air can sleeve off of the inner can. Remove the upper and lower O-rings. (Remove Mid King O-ring if being used.) Lightly Grease new O-rings and install into seal glands using a plastic O-ring tool or by hand.

  • Page 9: King Can Service

    king CAN service Slide outer air can sleeve onto inner can. Install wire ring. 50 HOUR AIR CAN & PISTON GUIDE...

  • Page 10: Air Can Service

    AIR CAN service Remove the negative chamber MCU and spacer(s). Carefully remove the dust wiper using an O-ring pick. Remove glide ring from the air can. Remove quad ring from the air can. 50 HOUR AIR CAN & PISTON GUIDE...
  • Page 11 AIR CAN service To make air can seal installation easier use the Air Can Seal Install tool, Manitou part number 172-32193-K001. Place the air can onto the seal tool or onto a flat surface. This cut away of the air can shows the seal placement for reference.
  • Page 12 AIR CAN service Remove the new air can quad ring from the seal kit and liberally apply Slickoluem grease. Install the air can quad ring into the lower groove in the air can. Ensure it is not twisted. Install the air can glide ring into the same groove as the quad ring.
  • Page 13 AIR CAN service Lightly grease and install the air can wiper seal into the upper groove of the air can. 50 HOUR AIR CAN & PISTON GUIDE...

  • Page 14: Air Piston Service

    AIR piston service Remove the split glide ring from the air piston. Remove the air piston quad seal. DO NOT REMOVE WHITE GLIDE RING! Clean the white glide ring and air piston with isopropyl alchohol. Liberally grease the air piston quad ring.
  • Page 15 AIR piston service Install the air piston quad ring onto the air piston. Ensure the air piston quad ring is not twisted and push it tight against the glide ring, making a space for the split glide ring. Install the split glide ring onto the air piston.

  • Page 16: Air Can Install

    AIR CAN INSTALL Apply Slickoleum grease to the air piston seals. Install foam ring and spacer(s) onto damper body. Install air can onto shock as far as it can be easily pushed. Due to the negative chamber it can be difficult to install air can completely without mounting it in a frame or shock tester and compressing the shock.
  • Page 17 AIR CAN INSTALL Install shock into bench tester or frame and partially compress shock. Compress until air can can be threaded onto top cap. Tighten air can onto shock until the hard stop. Do not tighten past this point. Set the air pressure, clean shock, update the tuning notes and go ride!) 50 HOUR AIR CAN &...
  • Page 18 GLOBAL HEADQUARTERS & HAYES BICYCLE GROUP USA 5800 W. Donges Bay Rd. Mequon, WI 53092 HAYES BICYCLE GROUP EU Dirnismaning 20 a 85748 Garching (b. Munich) Germany HAYES BICYCLE GROUP ASIA 16F, No. 37, Sec. 3 16F, No. 37, Sec. 3 Mincyuan E.

This manual is also suitable for:

Mara inline