3-88
V
ARI
*L
ITE
®
-
VL4
W
ASH
L
UMINAIRE
S
ERVICE
M
ANUAL
CONFIDENTIAL 02.9628.0010
7-Oct-97
d. While holding up luminaire head with one hand, reach under
yoke bearing and disconnect black, 26-pin connector from
motherboard marked YOKE A MB-P4. Connector is
located next to connector marked YOKE B.
e. At rear of chassis, behind power supply, disconnect 26-pin
black connector from motherboard header marked YOKE B
MB-P5.
f. Remove yoke bearing frame from chassis.
Step 7. Remove pan assembly.
a. At bottom of yoke bearing frame, remove pan assembly
wires and grommet from grommet slot (
Figure 3-33
).
PAN CABLE
AND GROMMET
YOKE BEARING
FRAME
PAN MECHANISM
10-32X1-1/2"PPB SCREW
FAN MOUNTING
BRACKET
8-32X1"PPB PAN
ADJUSTMENT SCREW
10-32 NYLON INSERT
STOP LOCK NUT
0.76" OD X 0.192" ID
FLAT WASHER
Figure 3-33. Pan Mechanism Removal and Replacement
Note
: Belt is not removed with pan drive assembly.
b. At side of yoke bearing frame, remove 8-32x1"PPB pan
assembly belt adjustment screw.
c. At bottom of yoke bearing frame, while holding 10-32 nylon
insert lock nuts with 3/8 inch nutdriver, remove three 10-
32x1-1/2"PPB screws from top of yoke bearing frame.
Remove 10-32 nuts and 0.75"ODx0.192"ID flat washers
from bottom of frame and remove pan assembly.
Step 8. Replace pan assembly by doing Steps 2 thru 7 in reverse.
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