Replace Zoom Lens - Martin MAC 2000 Performance Service Manual

MAC 2000 Performance Service Manual
3 Loosen the belt clamps at each end and
remove the belt. (The focus belt is
shown here; the zoom belt procedure is
identical).
4 Position the replacement belt under the
clamp and tension spring with
• the belt's teeth facing down
• the belt centered under the spring
• the spring square with the clamp
• the end of the belt and spring flush
with the edge of the clamp.
5 Tighten the front clamp.
6 Working from front to back, thread the
belt over the rollers and motor gear.
Feed the belt through the slot in the
rear plate and under the clamp.
7 With the belt on the spring and with the
spring compressed by about half, pull
the belt from the back and note the
length of the tail. Then take the belt off
the spring and clamp the belt at the
back. Finally, place the belt back on the
spring.
8 Reassemble everything.
R E P L A C E Z O O M L E N S
1 Remove the front lens ring and lens.
2 Unscrew and remove the zoom lens.
Discard the original taptite screws.
3 Install the replacement lens assembly
with the flat sides of the bracket down
and to the left (as you face the head).
Fasten with new M3 x 8 mm metric
screws, P/N 08050703, "M3x8 screw,
Torx, ph, black".
Zoom and focus 27