PRG BEST BOY HP SPOT LUMINAIRE, Service Manual

Page: 115 / 241

BEST BOY
®
HP SPOT LUMINAIRE
|
SERVICE MANUAL
|
MAINTENANCE
PAGE
105
Step 4. At Pan/Tilt Driver PCB, disconnect pan drive cables ( Figure 3-60 )..
Step 5. Cut cable ties which secure cables to luminaire. Note placement for re-installation.
Step 6. Remove Yoke Cover Mounting Bracket by removing four 8-32 x 1/2" PFB screws.
Step 7. Loosen Pan Mechanism Tension Bolts and remove Timing Belt.
Step 8. Remove four 10-32 x 5/8" socket head screws and #10 flat washers that secure Pan Mechanism to
crossmember.
Step 9. Remove Pan Mechanism.
Step 10. Replace Pan Mechanism by doing steps in reverse.
Step 11. Set proper belt tension. Refer to "Setting Pan/Tilt Belt Tension" on page 106.
Figure 3-63: Removing Pan Drive Mechanism
Pan Mechanism
Timing Belt
Yoke Cover Mounting Bracket
10-32 x 5/8" Screw (4)
#10 Flat Washer (4)
8-32 x 1/2" PFB Screw (4)
Cable Tie
Tension Bolt (2)
Pan Mechanism