Brother KE-430HX Service Manual page 133

A
After installing, turn the pulley to check if the upper surface of the crank rod 19 touches the felt.
B
C
Reference line
Install pulley gear R 8 so that it is aligned with
the reference line on the upper shaft 9.
Tighten the set screw so that the screw stop a on the
motor shaft is in the same phase as the screw stop b on
the upper shaft 9.
4085B
D
With the motor assembly 24 provisionally installed, check that the
4062B
pulley turns smoothly, by turning the pulley in the direction of the
arrow in A and then tighten the four bolts 25. If the pulley does not
turn smoothly, loosen the screw a in B. Next turn the pulley to
align the upper shaft 9 and motor shaft and then tighten the screw
a in B again.
KE-430HX/KE-430HS, BE-438HX/BE-438HS
Felt
8. ASSEMBLY
4064B
4072B
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