ACTinBlack MUM-14, Operator'S Manual

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2.9 Attaching the Swing Arm Adapter to the MUM-14:
THE MUM-14 USES A SWING ARM ADAPTER TO HOLD
THE MUM-14 IN POSITION WHEN ATTACHED TO A
HEAD OR HELMET MOUNT.
PYRAMID
CONNECTOR
SWING
ARM
RELEASE
ARM
CENTERING
PIN
DOVETAIL
KNOB
ADJUSTMENT
KNOB
SITE DOVETAIL, RECEIVING
Figure 2-7 Swing arm adapter
1. Hold the MUM-14 in one hand.
2. Hold the swing arm adapter in the other hand. With the
fore-finger and the thumb, rotate the dovetail knob an eight
turn in either direction. This will raise the centering pin.
3. Slide the MUM-14 dovetail into the receiving dovetail of
swing arm adapter until centered.
4. Release Dovetail knob. The dovetail knob is spring loaded
and will recoil and clamp mount onto MUM-14.
5. Manually check to insure a secure fit. The MUM-14 should
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not be able to release from mount while dovetail knob is
interfaced properly with dovetail system of MUM-14.