Yaesu GA-2500 Instruction Sheet
Absorber Joint
GA-2500
Features
Use with antenna systems
with "K" coefficient of 350
kg-m (2531 ft-lb) or lower.
Unique pivoting design allows
rotator base to compensate for
up to 2 degrees of offset from
vertical. This significantly re-
Contents
Base ...............................................1
Rotor Base .....................................1
Flat Washers................................. 2
High-strength hex bolts M8 x 18 ...4
8mm spring washers.....................6
M8 hex nuts....................................4
Capped M8 hex nuts.......................2
duces stress to rotator gears and
reduces chance of binding.
The rubber cushions absorb
shock produced by sudden wind
gusts, and also provide shock
absorption during the starting
and stopping of rotation.
Installation
1. Install the base (the item with the four studs/cushions) onto the tower's
rotator mounting plate, and securely fasten it using the four hex bolts, 8mm
spring washers, and M8 hex nuts.
2. Use the screws supplied with the rotor to affix the rotor to the rotor base
(the plate with the large cut-out holes).
Slide the rotor and rotor base over the rubber cushions and onto the base plate.
3.
4. Tighten the two plates together using the flat washers, 8mm spring washers, and M8 hex nuts.
4 degrees (center offset correction 2 degrees)
Capped M8 hex nut
8mm spring washer
Rubber cushion
Tower’s rotor plate
Rotor screw
YAESU MUSEN CO., LTD.
M8 hex nut
Hex bolt M8 x 18
Flat washer
Rotor base
Base
8mm spring washer
E12571002
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