PRG Bad Boy Field Service Manual - Manual (Page 92)

84 BAD BOY ® SPOT LUMINAIRE FIELD SERVICE MANUAL
CAUTION: Do not overtighten belt, pulley will break and/or bearings will fail.
To set belt tension manually:
Step 1. Orient head as shown in Figure 3-43.
Step 2. Manually move the luminaire head back and forth (tilt) or around (pan), noting the tension created on one
side of belt and deflections on the other.
Step 3. Using wrench, tighten belt adjustment bolt(s) until no bilateral deflection occurs.
.
Figure 3-43: Belt Tension Adjustment
Driven Pulley
Feed Side
Drive Pulley
Tension Side
of Belt
Deflections are present
when belt is loose.
TILT MECHANISM
PAN MECHANISM
of Belt
Orient head as shown