ASSEMBLY AND INSTALLATION OF MAST AB-1244A/GRC AND ANTENNA AS-3490/GRC (cont)

TM 11-5985-370-12

Add the UPPER MAST ADAPTER ASSEMBLY with the installed UPPER GUY PLATE

to the masts on the ground.

Turn both the UPPER and LOWER GUY PLATES so that one hole is uppermost:

4 holes will be used to connect the GUY HOOKS.

HOLE 1 for FRONT GUY HOOK -

hole 3 for BACK GUY HOOK -

HOLES 2 and 4 for SIDE GUY HOOKS -

CAUTION

USE HOLES THAT ARE 90 DEGREES APART.

SOME PLATES MAY HAVE A FIFTH HOLE

WHICH WILL NOT BE USED.

Attach each of the 4 GUY HOOKS (color code BLUE) to the proper hole on

the LOWER GUY PLATE.

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