PRG Best Boy Field Service Manual - Manual (Page 62)

54 BEST BOY 4000 ® SPOT LUMINAIRE FIELD SERVICE MANUAL
Step 4. Disconnect four cables.
Step 5. At Wheel Stack, loosen captive screws.
Step 6. Verify that Lens Group 1 will not interfere with removal of Wheel Stack Assembly. If lenses are in the way,
turn Group 1 pulley until lenses are clear.
Step 7. Grasp Wheel Stack Assembly on either side and lift straight up and out of luminaire head.
Step 8. Install new Wheel Stack by doing steps in reverse.
Figure 3-28: Removing Wheel Stack
FA N
J7 HE AD
TE MP
J6 EX T
Captive Screw
Wheel Stack
Lens Group 1