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lever overhaul service instructions (cont)
internals removal (cont)
15.Using snap ring pliers, remove the retaining ring
located in the lever body at the base of the push
rod. Remove pushrod and internal piston/spring
assembly.
important : the internal piston /spring assembly is
preloaded and will come out of the lever body quickly.
be sure to point the assembly in a safe direction, or
into a plastic bag.
16.Using a T-10 Torx wrench, remove the Pad
Adjust Knob. Remove the detent ball bearing
and spring located directly beneath the Pad
Adjust Knob with a pick.
important : be careful not to lose the detent ball
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bearing and spring when removing the pad adjust
knob. you may want to hold over a clean rag while
performing this step.
17.Gently push the bevel gear out of the lever body
from the backside using a pick or your thumb.
piston /spring assembly overhaul
18.Remove the spring from the piston/spring
assembly.
19.Using a small flathead screwdriver, remove the
spring coupling from the piston, followed by
the cupseal, glide ring and secondary quadseal
o-ring.
20.Install a new quadseal o-ring, followed by the
glide ring and a new cupseal with the open end
out (not pictured).
21.Install the spring coupling back onto the piston
and snap the return spring back onto the spring
coupling.
internals installation
22.Install the bevel gear into the gear bore and hold
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in place with your finger.
23.Install the detent spring and ball into the lever
body.
24.Align the Pad Adjust Knob with the bevel gear
and install the knob using a T-10 Torx wrench.
Tighten the knob to 1-1.2 N·m (8.7-10.4 in-lb).
The bevel gear should now be secure and you no
longer need to hold it in place with your finger.
Copyright © SRAM CORPORATION • 2009 AVID TECHNICAL MANUAL
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