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8.5.7.7 Optical sensor replacement
No.
Remove the softener and valve covers, see 8.5.2. Covers removal (softener and valve),
A
page 63.
NOTE
To remove the optical sensor, first disassemble the camshaft and motor. See "Motor and
camshaft replacement", page 72.
The optical sensor (1) is clipped on the front side of the top plate, gently press on the clips
B
to release the optical sensor (1) from its location.
C
Reverse above procedure steps to rebuild.
Ref. MKT-IM-037 / B - 17.12.2018
Installer Manual Evolio 255 - Maintenance
Operation
77 / 90
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