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Pelco Manual C1491M (7/98) 3
5. Remove the O-ring from the viewing window and install the O-ring in the re-
placement viewing window by performing the following steps:
a. Be careful not to damage the O-ring when it is removed. If you have
trouble removing the O-ring, carefully insert a flat blade screwdriver
in the O-ring groove and pull the O-ring out.
b. Examine the O-ring for wear. Install the O-ring into the O-ring groove in
the replacement viewing window. If you notice wear, order the EH25/
8104ORKIT O-ring kit.
6. Position the replacement heater in front of the enclosure so the heater faces
inside the enclosure and the metal support plate faces the viewing window.
Route the heater wiring inside the enclosure from the front to the rear.
Place the heater metal support plate inside the lip of the enclosure with the
holes in the metal support plate aligned with the screw holes.
Position the viewing window into the front of the housing. (Be sure to position
the viewing window so the screw holes are aligned.)
7. Attach the viewing window to the housing with the two screws that you previ-
ously removed. Attach firmly but do not over tighten. (If the screws need re-
placement, use the provided screws. The front screws have threads the length
of the screw.)
8. Looking inside the enclosure from the rear, lift the heater wires as you place
the camera sled into the sled grooves.
9. Slide the camera sled into the housing and stop approximately three inches
from the housing. Attach the heater connectors. Fold the excess heater wiring
and tie neatly using the included wire cable ties.
10. Slide the camera sled the rest of the way into the housing. Be careful to make
sure the heater wires do not bind or catch on anything.
11. Screw the two rear plate captive screws into the housing. Attach firmly but do
not over tighten. (If the screws need replacement, use the provided screws.
The rear screws do not have threads the length of the screw.) When fully
installed, the rear plate will fit firmly into the rear opening of the housing.
12.Turn on the power.