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Repair Help and Education

Posts by calvin@parktool.com

CBP-5 Crank and Bearing Adaptor Set for Service of Campagnolo Power Torque Cranks

This article will review the service of the Campagnolo® Power-Torque™ crank system.
Posted by Calvin in Bottom Brackets, Crank Service on December 22nd, 2011

TS-2.2-and-TS-2-Centering

This article will discuss the centering procedures for the TS-2.2 and the TS-2 truing stand. The same procedures and concepts apply to both stands. The TS-2 truing stand is adjusted at the factory to center the rim between the calipers. With use, the TS-2 can come out of center. For precis...
Posted by Calvin in Tool and Repair Stand Service on September 3rd, 2011

Post Mount Disc Brake Facing with DT-4

Use of the DT-4 Disc Mount Post Facing Tool
Posted by Calvin in Brake Service and Repair, Frame & Fork Tools on April 10th, 2011

PFP-6 and PFP-3 Service

This article will discuss the service of the PFP-6 Home Mechanic Floor Pumpand the PFP-3 (discontiued) Floor Pump. Pump Head- #1081 The pump head (part #1081) uses two gaskets that may be replaced or simply reversed. It is first necessary to disassemble the pump alloy head assembly . Each gaske...
Posted by Calvin in Tool and Repair Stand Service on October 27th, 2010

PFP-4 and PFP-2 Service

This article will discuss the following services of the PFP-4 Professional Floor Pump: Gauge Replacement- #1064 1. Unthread and remove blue ring counter-clockwise. 2. Plug hose end with thumb, and work handle up and down to build pressure. Pressure will build and pop gauge upw...
Posted by Calvin in Tool and Repair Stand Service on October 27th, 2010

Home Mechanic Tool List-Essentials

Home Mechanic Tool Lists Maintaining your own bike can be fun, but it can also be confusing at times to know which tools you will need to perform the service you want. Below are a series of recommended tool lists for general maintenance of the average road or off-road bike. Attempt to develop tw...
Posted by Calvin in Recommended Tool Lists on October 20th, 2010

Home Mechanic Tool List- Novice

Maintaining your own bike can be fun, but it can also be confusing at times to know which tools you will need to perform the service you want. Below are a series of recommended tool lists for general maintenance of the average road or off-road bike. Attempt to develop two sets of tools- one f...
Posted by Calvin in Recommended Tool Lists on November 3rd, 2009

11-speed Chain Service with the CT-11

 This article will review the Campagnolo® 11-speed chain service. This requires the use of both the Park Tool CT-4.2 and CT- 11. The 11-speed Campagnolo® chain has very narrow rollers of 1.98 to 2.0mm width. A typical 10-speed has rollers of approximately 2.1mm. This small differen...
Posted by Calvin in Chain repair and service on February 4th, 2009

PFP-5 Service

PFP-5 Floor Pump Service This article will discuss the service of the PFP-5 Home Mechanic Floor Pump. See a parts diagram here. Pump Head The pump head uses two gaskets that may be reversed to gain more service. The gaskets may also be replaced. Both Presta and Schrader gaskets are identical....
Posted by Calvin in Tool and Repair Stand Service on October 27th, 2007

Travel Agent Installation and Adjustment

Installation and adjustment of the Travel Agent™ brake cable system
Posted by Calvin in Brake Service and Repair on June 29th, 2007

Mavic Cosmic Carbone SLR Service

This article will review the truing and service of the Mavic Cosmic Carbone SLR. For measuring tension on the Cosmic Carbone SLR use the TM-1 with the most current tension chart. See the download at TM-1. The Mavic Cosmic Carbone SLR wheel systems uses bladed carbon spokes. One long blade connec...
Posted by Calvin in Wheel and Rim Service on March 25th, 2007

Home Mechanic Tool List - Intermediate

Maintaining your own bike can be fun, but it can also be confusing at times to know which tools you will need to perform the service you want. Below are a series of recommended tool lists for general maintenance of the average road or off-road bike. Attempt to develop two sets of tools- one f...
Posted by Calvin in Recommended Tool Lists on November 5th, 2006

TS-RK Installation

This article will discuss the installation of the TS-RK rebuild kit into older TS-2 Truing Stands. For centering procedures see Centering the TS-2.   Loosen set screws or cap screws located on both main shaft adjusting collars #209-2. Collars should rotate freely on main shaft ...
Posted by Calvin in Tool and Repair Stand Service on July 27th, 2006

CN-10 Cable Cutter Adjustment

This article will discuss the adjustment of the CN-10. There have been several generations of the CN-10, and the concepts below apply to all. Cable cutters rely upon correct adjustment to keep the cutting blades operating properly. If the tool is not cutting correctly it may need adjustment. Th...
Posted by Calvin in Tool and Repair Stand Service on March 27th, 2006

SRAM HammerSchmidt Crankset Intallation

This article will discuss the installation of the Truvativ® HammerSchmidt™ front transmission system. The HammerSchmidt™ is a two-speed gear systemdesigned into the front crankset. It consists of a special drive crank containing internal planeta...
Posted by Calvin in Crank Service on March 24th, 2006

CBP Puller Repair

This article will review the replacement of the pulling caliper finger part #1193-2 on the CPB-3 (figure 1). Bearings and cranks that are seized in place may exceed the strength of the caliper and this may cause the caliper to fail. Figure 1. CPB-3 puller Begin by removing the pin for the cr...
Posted by Calvin in Tool and Repair Stand Service on February 1st, 2006

Pedal Bushing Repair Kit Procedure

This article will review the repair of stripped pedal crank threads using the pedal bushing repair kits. NOTE: Park Tool does not offer a pedal bushing repair kit. These kits are expensive and in most cases arm replacement in the best option. Bicycle cranks are typically aluminum. If the pe...
Posted by Calvin in Pedal Service, Crank Service on January 28th, 2006

PFP-2 Pump Recall

Park Tool Company has discovered a defect in a small percentage of PFP-2 Professional Floor Pumps. Under certain conditions, the check valve on the PFP-2 could fail. If this occurs, the pump's handle could quickly rise upward without warning, potentially causing injury to the user. In order to...
Posted by Calvin in Tool and Repair Stand Service on January 22nd, 2006
Tags: recall

Tubular Tire Gluing (sew up)

Typical Tools and Supplies Needed: Truing stand hold wheel. Use rags to protect stand from glue drips Acid brush or other clean narrow brushes, such as old tooth brush Acetone or other strong solvent Floor Pump Knife or scrapper This article will discuss the mounting and...
Posted by Calvin in Tire and Inner Tube Service on October 8th, 2005