1-2
KEEP OMM CLEAN - No liquids or solid
particles must be allowed to enter the OMM body.
It is not necessary to remove the OMM from
the machine, when installing new parts or
adjusting the range selection switch.
B
A
TO REMOVE THE WINDOW
1. Remove the four cover screws,
using a 2.5 mm A/F hexagon key.
Two screws are short and two
are long.
Two of the cover holes are
threaded - A, and two are
plain - B.
DO NOT remove the window by twisting or rotating by hand - use jacking screws only.
TO REMOVE WINDOW AND LABEL
A
B
2. The window fits tightly in the
OMM body, and is removed using
the two long screws, which are
inserted into the threaded holes A.
Tighten each screw a few turns at
a time to lift the window evenly.
Whenit is clear of the body, remove
the window and screws completely.
The window is removed for the following reasons.
1. To gain access to the terminal block when
connecting wires.
2. To change the reception/transmission range settings.
3. To replace a broken window.
4. To replace a faulty printed circuit board (PCB).
A
A
Window
Wire
handle
Label
TO REMOVE THE LABEL
To remove the label, turn
the quick release screws
a 1/4 turn anti-clockwise,
then carefully lift the label off.
This gives access to the
range selection switch and
terminal block.
Screw