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Installation
a fourth-hand tool (park took bt-2) is needed for this procedure.
1. Clean the shifter housing, however, do not use solvents. they could attack the plastic used in these parts.
2. preset the derailleur adjustment screws before installing the inner wire.
a. Stand behind the derailleur, and check the position of the guide pulley. It should
align with the smallest cog (high gear) as shown in Figure 4-4.
b. If necessary, adjust the outward limit by turning the h-screw (high-gear limiter screw). tightening the
h-screw moves the guide pulley inward. loosening the screw moves the pulley outward.
c. manually move the derailleur to its innermost position. hold the derailleur against the stop, and check
the guide pulley. It should align with the largest cog (low gear) shown in Figure 4-5.
d. If necessary, adjust the inward limit by turning the l-screw (low-gear limiter screw). tighten the l-screw
to adjust the derailleur outward. loosen the screw to adjust the derailleur inward.
3. Insert the free end of the wire through the socket in the shifter drum until the wire's barrel end is seated in
the socket (Figure 4-3).
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Servicemanual_101212.indd 20-21
FIGUrE 4-4
FIGUrE 4-5
4. Check shifter operation by pulling the wire and clicking the shifter. the inner wire should move in and out,
and the shifter should click.
5. Insert the inner wire through the ferrule in the upper end of the cable housing. feed the wire through the
housing until the wire emerges from the housing end at the derailleur.
6. at the shifter, slide the upper housing along the inner wire, and seat housing fer- rule in the barrel adjuster.
7. Install the shifter cable cap onto the shifter.
8. at the derailleur, insert the inner wire through barrel adjuster and through the cable pinch mechanism.
make sure the lower cable ferrule seats in the derailleur cable guide (C, Figure 4-2) and the inner wire is
properly routed through the pinch mechanism.
9. manually tighten the anchor bolt (b, Figure 4-2) so the derailleur cable guide and inner wire is secured in
the pinch mechanism groove. look directly at the pinch mechanism. the tab on the pinch plate should be
inboard of the inner wire.
10. loosen the anchor bolt as seen in Figure 4-9. pull the slack from the inner wire with the fourth hand tool,
and torque the derailleur anchor bolt (b, Figure 4-2) to the specification in table 5. make sure the inner
wire still sits in the pinch-mechanism groove.
11. Cut the excess from the inner wire. leave a couple of inches for future adjust- ment.
12. fit a new cable ferrule (a, Figure 4-2) over the inner wire end, and crimp the fer- rule in place.
13. Install the shifter and brake lever onto the handlebar as described in this chapter.
14. adjust the derailleur and then the cable tension as described in this chapter.
dErAILLEUr
derailleur Lubrication
lubricate to the following components on the derailleur.
1. each edge of the pulley-wheel dustcap.
2. both ends of each pivot on the parallelogram.
3. the mounting bolt treads.
4. the barrel adjuster threads.
5. the anchor bolt treads.
derailleur Adjustment
three screws are used to adjust the derailleur. the h-screw (high-gear limiter screw) sets the outward limit of
the derailleur's movement. the l-screw (low-gear limiter screw) sets its inward limit. the b-screw adjusts the
distance between the bottom of the cogset and the derailleur's guide pulley.
a fourth–hand tool (park tool bt-2) is required to perform this procedure
1. Check the cable attachment to the derailleur pinch mechanism.
a. Check the position of the inner wire in the pinch mechanism. the wire should follow the groove in the
pinch plate, and the pinch plate tab should be inboard of the wire when you look directly at the pinch-
mechanism stud.
b. loosen the anchor bolt (b, Figure 4-2). Use the fourth-hand tool to pull the slack from the inner wire.
c. torque the derailleur anchor bolt to the specification in table 5.
d. Check that the inner cable still sits within the groove in the pinch-mechanism plate.
2. Set the derailleur as close as possible to the cogset by performing the following.
a. Shift the chain to the largest cog (low gear).
b. Completely loosen the b-screw. c. back-pedal, and check for bouncing at the guide pulley (Figure
4-11). the b-screw is too loose if bouncing is noticed. d. tighten the b-screw (Figure 4-10) one turn,
and repeat the bounce check.
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10/12/2012 12:25:54 am
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