ETC Source Four Revolution User Manual page 38

Adjusting the Scroller, Front Lens, and Rear Lens Belts
To access the three belts inside the head, you will need to remove the head cover. Follow
the general instructions below before adjusting the belts.
General belt adjustment instructions:
Step 1:
Step 2:
Step 3:
34
Power-down the fixture. See
Lock the fixture head and yoke in a convenient position using the pan and tilt
locks.
Remove the head cover by loosening, but do not remove, the two captured
screws holding it in place and lift the cover off the head.
Front Lens
Motor
Front Lens
IMF
Power-down Procedure, page
Rear Lens
Motor
Scroller
Motor
Source Four Revolution User Manual
9.