14Piston Assembly Installation
P iston Assembly Installation
NOTICE
DOT fluid will damage painted surfaces. If any fluid comes in contact with a painted surface (i.e. your frame) or printing on the brakes,
wipe it off immediately and clean it with isopropyl alcohol or water. Damage to painted and/or printed surfaces by DOT fluid is not
covered under warranty.
Submerge a new piston assembly, by hand, into Avid High-
Performance 5.1 DOT fluid to lubricate the piston assembly.
You can also use Avid DOT Grease, or DOT 5.1 or 4 compatible
grease, as a lubricant.
Install the new piston assembly.
Spray isopropyl alcohol on the lever body and both of your gloves
and clean the lever body and your gloves with a rag.
lnstall the washer on the piston assembly.
Use long-tipped internal snap ring pliers to push the piston
assembly into the lever body, and secure the snap ring in its
groove. Orient the snap ring eyelets opposite the opening in the
lever body.
You can also use a 10 mm deep socket against the snap ring to
push the piston/bladder/snap ring assembly into the lever body.
1
Avid High Performance DOT 5.1 fluid 15 N•m (133 in-lb) 22 mm
2
3
Internal snap ring pliers
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