C
HAPTER
3. M
AINTENANCE
P
ROCEDURES
3-75
02.9631.0010
CONFIDENTIAL
15 Jan 98
3.3.5.3
Pan Mechanism Removal and Replacement
Parts:
1 EA
ASSY, PAN/TILT MECHANISM (22.1002.0001)
Tools:
Screwdriver, Phillips #1
Screwdriver, Phillips #2
Loctite 242
To remove and replace pan mechanism (Figure 3-22):
YOKE
CHASSIS LID
FAN COVER
FAN HOUSING
BELT
PAN MECHANISM
PULLEY
PAN MECHANISM
FAN
DRIVEN PULLEY
10-32X1-1/2"PPB
10-32X7/8"PPB
YBGEXP2
4-40X5/16"PFZ
SCREW
SCREW
SCREW
Figure 3-22. Pan Mechanism Removal and Replacement
Step 1.
Remove power to luminaire.
Step 2.
Open chassis lid and remove fan cover.
a. At electronic chassis, remove six 10-32x3/8"PPB screws
that secure lid to chassis and open lid.
b. At fan housing, remove 14, 4-40x5/16"PFZ screws that
secure fan cover to pan/fan housing and remove fan cover.
Step 3.
Disconnect pan mechanism connectors.
a. Disconnect five-pin MTA100 connector of encoder from
header crimped to pan-motherboard cable.