Telescoping Mast  (150-5067)         Installation       Faxback Doc. # 7257

WHERE TO INSTALL YOUR TELESCOPING MAST (SITE SELECTION):

Before attempting to install your antenna system, think where you can best
place your mast and antenna for safety and performance.

To determine a safe distance from wires, power lines, and trees, add the
length of your antenna to the length of the Telescoping Mast being used.
Double this total for the recommended safe distance.

If you are unable to maintain this safe distance.  STOP! GET PROFESSIONAL
HELP! Good practice is to install your Mast as far away as possible from
power lines and obstructions.

TYPES OF MOUNTING STRUCTURES:

     BASE MOUNTS - Mounts on flat Roofs.

     PEAK MOUNTS - Mounts in Peak Roofs.

UNIVERSAL MOUNTS - Mounts on Flat or Peak Roofs.

Telescoping Masting is usually mounted on the roof, but it can also be
mounted to the side of the structure.

The lower section of each Telescoping Mast is a different diameter.
Choose the correct mount that will accept the lower section of Telescoping
Mast you are using.

NOTE:  20 ft. Telescoping--1-1/2" Dis. lower section.
       30 ft. Telescoping--1-3/4" Dia. lower section.
       40 ft. Telescoping--2"     Dia. lower section.
       50 ft. Telescoping--2-1/4" Dia. lower section.

TELESCOPING MASTING INSTALLATION

NOTE:  For 50 ft. Masts only.  Remove cotter pin and slide inner sections
       out past hole.  Then insert this pin in same hole of bottom section
       to support the inner mast sections as shown.

1.  After selection of a safe position for the mount, position anchor
    points for the guy wire as shown in Figure 1.

2.  Attach guy wire (4 places recommended) to the lowest guy ring and
    wrap guy wire at least six turns around itself.

3.  Insert lower section of Telescoping Mast into mount, making sure mast
    is in a vertical position, and secure the guy wires at the anchor
    points.

Note:  One person is required at each anchor point to hold guy wires as
       you extend the remaining sections.

4.  After the guy wires have been secured for the lower section, a ladder
    may be leaned against the mast and tied in place.

5.  Mount your antenna to the upper mast section.  (1-1/4" Dia.) and
    secure transmission line with standouts.  Secure the upper guy ring
    approximately 6" below antenna using mast clamp with hex bolt.  Attach
    guy wire to guy rings as indicated in step 2.

6.  Raise the upper section of mast with antenna until it reaches its
    stop.  Insert platform pin and rotate mast until slot in bottom of
    mast section engages with platform pin.  Tighten "L" screw on mast
    clamp to secure upper section in place.

Note:  Special "T-nut" is provided on mast clamps for # 10-20 combination
       standout to secure transmission line.

7.  Using a person at each anchor point to hold guy wires, raise each
    section and secure in place as indicated in step 6.  (working from
    the smallest dia. (1-1/4") to the largest.)

8.  After Telescoping Mast is fully extended draw the guy wires taut
    (keeping the mast perfectly vertical) and secure to anchor points.

(LB/all-08/9/94)