116378.PDF
17
Spindle and Crankarm Installation
The following steps describe how to install the
spindle, crankarms and other parts after the
circlips and bearing are installed into the bottom
bracket shell.
CAUTION
Clean and inspect all parts. All parts must be
free of corrosion and damage, and replace new
as necessary. Be sure to greased all mating
surfaces well before assembly and installation
into the bottom bracket.
CAUT002
See Figure 17.
1. Slide a bearing shield (1) onto the spindle (2)
with the flat side (a) facing the left splines
(b).
2. Apply
grease
to
spindle
(2) at areas indicated "Gr"..
If you are working on a mountain bike,
install the rubber seal (3) onto greased
bearing seal.
3. Next, insert the assembly into non-drive
(left) side of the bottom bracket.
4. On the drive side (right), apply a coating of
grease to the bearing. Install the bearing
seal and bearing shield with the flat side
facing out.
5. Install 12mm spacer, shims, and wave
washer.
NOTE: Please note that the total number of
shims required depends on the compression of
the wave washer. The correct number when the
wave washer is compressed but not flatten by the
properly tightened fixing bolt. The best indication
of the right number is the condition of the wave
washer "compressed but not flattened."
6. Grease the spindle crankarm fixing bolt
threads and splines. Be sure to grease the
underside of the bolt head, and the steel
washer.
7. Use the left crankarm to hold the spindle
and tighten the drive side (right) crankarm
fixing bolt to the specified torque.
8. Visually check the compression of the
wave washer; the wave washer (3)
should be compressed nearly flat (0.3-
0.5mm of compression left is ideal).
If you can easily fit the edge of a 0.5mm
shim into the wave, then add another
shim. If the wave washer has more than
1mm of compression left then the spindle
could move from side-to-side and creak.
You should be able to see the waves of the
wave washer when you rotate the cranks.
This means that the bearings are preloaded
by the wave washer alone without being
overloaded by the force of the crank bolt.
9. With the correct number of shims and right
crankarm installed, proceed by greasing
the left (non-drive) side bottom bracket
splines, install the left crank (13) opposed
180° degrees (opposite) the right arm. Once
more, grease the fixing bolt threads, the
underside of the bolt head, and the steel
washer install into the crankarm and tighten
to the specified torque.
Crankarm Installation
Before reinstalling alloy crankarms be sure to
thoroughly clean and throughly grease the
following:
Both crankarm sockets.
Spindle, fixing bolt threads, fixing bolt steel
washer and axle splines.
