Service manual

MAINTENANCE : MAINTENANCE PROCEDURES
2
02.9663.0010 D 23-Oct-02 49
Pan Motor Assembly Replacement
Parts:
ASSEMBLY, PAN MOTOR (21.9663.1815)
Tools:
#2 Phillips screwdriver
To remove and replace pan motor assembly:
Step 1. Disconnect luminaire AC input cable from power source.
Step 2. Remove yoke leg covers by removing two 6-32x1/2" PPB screws and two 6-
32x3/8" PPB screws on each side (Figure 2-26).
Step 3. Remove crossmember assembly from yoke by removing sixteen 10-32x1/2"
PPB screws.
Step 4. At crossmember assembly, remove pan wire shield by removing four
4-40x3/8" PPZ screws.
Step 5. At pan motor assembly, loosen four 6-32x1" PPB screws. Slide assembly
forward and remove belt from pulley.
Step 6. Remove four 6-32x1" PPB screws and #6 flat washers and remove pan motor
assembly (nut plate will come loose also).
Step 7. Replace pan motor assembly by doing steps 2 through 6 in reverse. (Belt
tension is automatically set by spring.)