4-30
17
18
19
(1)Remove the E rings (each side).
(2)Remove the bearings (each side).
(3)Slide the optics drive shaft to the rear, and
remove it.
(4)Replace the optics drive belts (when one
requires replacement, we recommend
replacement of complete set of four, due
to the complexity of the process).
Disconnect the drive belts from both sides of
the half-speed unit.
Loosen the hex screws and remove the E
rings in the optics drive shaft pulleys (each
side).
21
2
1
3