Trunnion Installation; Planning The Mounting Trunnion Installation; Trunnion Installation Procedure - Motorola GM Series Installation Manual

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1-4
3.0

Trunnion Installation

3.1

Planning the Mounting Trunnion Installation

The standard mounting trunnion allows the radio to be mounted to a variety of surfaces.
1.
Ensure the surface can support the weight of the radio.
2.
Although the trunnion can be mounted to a plastic dashboard, it is recommended that the
mounting screws be located so they penetrate the supporting metal frame of the dashboard.
3.2

Trunnion Installation Procedure

1.
Select either the transmission hump or an open underneath portion of the dash to mount your
radio. (See Figure 1-5 Transmission Hump Mounting (Top) and Below Dash Mounting
(Bottom)). When mounting the trunnion on the transmission hump, be careful that the
transmission housing is not affected.
2.
Use the trunnion mounting bracket as a template to mark the hole positions on the mounting
surface. Use the innermost three holes for a curved mounting surface, such as the
transmission hump, and the three outermost holes for a flat surface such as under the dash.
3.
Center-punch the spots you marked and use a 4 mm (5/32-inch) bit to drill a hole at each
location.
4.
Secure the trunnion mounting bracket to the mounting surface with the three self-tapping
screws provided. (See Figure 1-5 Transmission Hump Mounting (Top) and Below Dash
Mounting (Bottom)).
5.
Slide the radio into the trunnion. Secure the radio with the two thumb screws provided.
(See Figure 1-3 Radio into Trunnion.)
Thumb
Screw
Trunnion
Figure 1-3 Radio into Trunnion
INSTALLATION
Thumb
Screw
FL0830248-O

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