7 : T r o u b l e s h o o t i n g G u i d e
CHRISTIE INC.
CHRISTIE INC. -
- 35/70 Service/PM Manual
July, 1997
Visual Checklist
Perform the following steps. In each case, corrective action is self-evident, so a diagnostic table is not included. Refer to
Chapter 6,
Mechanical and Electronic Adjustments
, for instructions on adjustment and component replacement.
VISUAL CHECKLIST
A
At the film path side, with film not mounted
(Numbers in parentheses refer to details in Figure 4.2.)
Checklist
Item
Step Description
Completed
A1
Check that the Upper and Lower Torque Arms (2, 24) move freely and
smoothly. The click from the limit switch should be audible near the
relaxed end of the arm motion.
A2
Verify that all Guide Rollers rotate freely with a minimum of lateral
play. Note that the Torque-Arm Rollers (2, 24) rotate freely and have a
wide range of lateral motion.
A3
Verify Upper Constant Velocity Sprocket (27) rotates properly and
associated CV pad shoes have minimal end-play.
A4
Verify Upper and Lower Loop Chutes are positioned correctly and are
not loose.
A5
Verify Upper and Lower Feed Sprocket Shoes (8, 17) move freely.
Buckle switch operation click should be heard close to the engaged
position.
A6
Verify Lower Constant Velocity Sprocket (19) moves freely without
lateral play. Verify that Upper and Lower Sprockets move in unison.
Table 7.2: Visual Checklist, Part A (Projector Film Side)
