PRG Bad Boy Field Service Manual - Manual (Page 59)

BAD BOY ® SPOT LUMINAIRE FIELD SERVICE MANUAL 51
Replacing the Wheel Stack
Parts:
21.9812.0620 1 EA ASSY, WHEEL STACK, LESS GOBOS (standard luminaire version)
21.9812.0696 1 EA ASSY, CMY WHEEL STACK, LESS GOBOS (CMY luminaire version)
Tools:
#2 Philips screwdriver
9/64" Allen wrench, T-bar
WARNING: Remove power from luminaire before performing any maintenance procedures.
To replace the Wheel Stack Assembly:
Step 1. Remove power from luminaire and allow components to cool for at least 5 minutes.
Step 2. Remove both Head Covers. (Refer to "Removing the Head Covers" on page 30.)
Step 3. At top of head assembly, disconnect the following Wheel Stack wiring (Figure 3-19):
a. From Zoom Controller PCB:
1) Zoom Cable.
2) CAN Bus Cable.
b. From Wheel Stack Motherboard:
1) Tip Pinch Fan Cable.
2) Main Fan Cable.
3) Main Power Cable.
4) Two CAN Bus Cables.
c. Free cable harness from twist-lock holders and lay cables out of the way so that Wheel Stack Assembly
can be removed.
Step 4. At bottom of head assembly, disconnect the following Wheel Stack Wiring (Figure 3-19):
a. Frost Sensor Cable.
b. Frost Motor Cable.
c. Free sensor/motor cable harness from tie-wrap saddle on back of motor.