C
HAPTER
3. M
AINTENANCE
P
ROCEDURES
3-73
02.9631.0010
CONFIDENTIAL
15 Jan 98
Step 13.
Adjust tension of tilt mechanism belt.
a. Tighten belt adjustment screw and then check tension of
belt (Figure 3-21).
DRIVE PULLEY
BELT MUST BE TAUT
(1/8" DEFLECTION DESIRED)
TENSION SIDE
OF BELT
PULLEY
FEED SIDE
OF BELT
DRIVEVW
Figure 3-21. Tilt Mechanism Belt Tension Adjustment
b. Turn yoke so that pulleys rotate back and forth. At same
time, slowly tighten adjustment screw until both tension and
feed sides of belt are taut (1/8” deflection desired).
c. Using finger, check deflection of belt when not in motion.
Visual observation of belt may not detect over-tightened
belt.
Step 14.
Re-assemble luminaire by doing Steps 2 through 10 in reverse.
