8. Wipe the polished metal seal surfaces with clean
tri-chloroethane to remove any foreign material or
fingerprints. No foreign particles of any kind
should be on the seal ring faces. Something as
small as a paper towel raveling will hold the seal
faces apart and cause leakage.
9. Apply a thin film of clean oil on the seal faces. Use
a lint-free applicator or a clean finger to distribute
the oil evenly. Make sure no oil comes in contact
with the rubber toric rings or their mating surfaces.
Before assembling both seals & housing together
– WAIT – at least two minutes. Let all tri-chlo-
roethane evaporate. (Some may still be trapped
between toric and housing ramp.)
10. Be certain both housings are in correct alignment
and are square and concentric. Move the parts
slowly and carefully toward each other.
NOTE: Do not slam, bump or drop seals together. High
impact can damage the seal face and cause leakage.
Make certain
seals are square
and concentric
J05018 03/01 Disc Brake Assembly J5-13
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