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Installing the MFJ-993BRT or MFJ-994BRT option
1. Install the short ground wire in the corner hole
on the tuner mounting flange using the 5/16”-18
Hex Nut, 5/16”-18 x 5/8” long Hex Head Cap
Bolt, 5/16” Flat Washer, 5/16” External Tooth
Washer, 5/16” Split Lock Washer and 3” Wire
Assembly. The other end of the short 3” tuner
wire goes to the tuner ground wing nut
connection on the tuner as shown.
2. Position one of the tuner mounting aluminum V-saddle
clamps 3/4” below the top of the thick wall tube as
shown. Refer to the photos on Page 36 for the positioning
of the clamps in as compared to the antenna base.
Use two 5/16”-18 Hex Nuts, two 5/16” Flat Washers, two
5/16” Split Lock Washers and one 5/16”-18 x 4” long U-
Bolt. Do not over tighten the U-Bolt Hex Nuts which can
break or bend the aluminum V-saddle clamp. Evenly
tighten each side of the U-bolt until the split lock washer is seated properly.
3. Loosely mount the bottom aluminum saddle
clamp assembly approximately 13-1/4” below
the previously (upper) mounted saddle clamp
using the same hardware described for the upper
clamp. Ensure both clamps are facing the same
direction.
(This installation method works well since the
MFJ tuner mounting flanges can be in slightly
different positions on the tuners.)
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