Park Tool Rivet Peening Tool for Campagnolo® 11-speed chain - Manual

Park Tool Co. 6 Long Lake Rd. St. Paul, MN 55115 (USA) www.parktool.com
After pressing the special connecting rivet into a Campagnolo ® 11-Speed Chain and
breaking off the pilot, Campagnolo ® requires the end of the connecting rivet to be
“peened” or “deformed” to prevent chain failure. The precision-machined CT-11 is
used to accurately perform this critical process.
The CT-11 will not install or remove chain rivets. The Park Tool CT-4.2 Master Chain
Tool (or the previous version, CT-4) is required for rivet installation and removal.
Installation of Campagnolo ® 11-speed Chain
Determine proper length for chain, as recommended by manufacturer. When
removing links to shorten chain, follow the “Separation of Campagnolo ®
11-Speed Chain” procedures below.
Thread chain through derailleurs and onto sprockets. Join the two ends of
the chain together and insert pilot end of replacement rivet into assembled
chain link, starting from the inner side of the chain and passing through to the
outer side (Fig. 1).
Place assembled chain link into link pocket of CT-4.2 Chain Tool (Fig. 2).
Turn handle until pin of CT-4.2 is centered on chain rivet. Continue turning
handle until rivet is pressed into chain. When properly pressed into chain,
.1mm of rivet should be protruding from the inner side of the chain (Fig. 3).
Remove chain from CT-4.2. Snap pilot end from replacement rivet using pliers
or by using the round hole in the CT-4.2’s body (Fig 4).
Place assembled link into link pocket of CT-11 Rivet Peening Tool. Handle of
CT-11 should be positioned on the outer side of the chain. CT-11 pin should
face end of rivet where pilot was removed (Fig 5).
Turn handle until pin of CT-11 just makes contact with rivet. Turn handle with
moderate force approximately 3/8 turn until protruding end of rivet (where
pilot was removed) is deformed (Fig 6).
A tight link can sometimes develop during the installation process. To remove
the tight link, use hands and thumbs to flex the link back and forth slightly until
it pivots freely (Fig. 7).
Separation of Campagnolo ® 11-speed Chain
Select link of chain to be separated and place into link pocket of CT-4.2 Chain
Tool (Figure 8). Important Note: One link in a Campagnolo ® 11-speed chain
is stamped with a production number (Fig. 9). Never separate the chain at
this numbered link. The chain can be separated at any other link. Once a
rivet has been pushed out and replaced with a new connecting rivet, do not
separate the chain at this rivet again. The rivet in each link can be removed
and replaced by a new rivet only once.
Turn handle until pin of CT-4.2 is centered on chain rivet. Continue turning
handle to force rivet completely out backside of chain.
3/8”
CT-11 Rivet Peening Tool for
Campagnolo
®
11-speed Chain
© 2012 Park Tool Co. / ® PARK TOOL and the color BLUE are registered trademarks of Park Tool Co.
Part No. Description QTY.
780 BODY 1
918-2 HANDLE KNOB 2
778R PLUNGER AND HANDLE ASSEMBLY 1
771 HANDLE GRIP 1
774 NUT 1
775 PIN 1
CT-11 part numbers
1
3
5
2
4
6
2
4
3
5
1
6
CT-4.2
CT-11
CT-11
CT-4.2
Fig.1 Fig.2 Fig.3 Fig.4
Fig.5 Fig.6 Fig.7 Fig.8
Fig.9
CT-11