4SP475 Rev0
(4D35 Service Manual)
Page 2 of 2
Option A: Upgrade Installation
Ferrite Beads
Ferrite Bead
Ferrite Bead
Option B: Factory-installed Upgrade
NOTE: For installation Option A, locate two ferrite beads on the white wire exiting the head shaft and
attached to TR2 on the head transitionn board.
NOTE: For installation Option B, locate one ferrite bead
on the light blue wire running between Q2B emit-
ter and J3B. The second ferrite bead is placed on
the white wire exiting the head shaft and attached
to TR2 on the head transition board.