- 7 -
The MFJ-927 Tuner is held onto the shelf using four hex head bolts that get screwed into four PEM
nuts that are permanently installed in the shelf.
Place the tuner on the top of the shelf so there is access to the SO-239 and red binding post through
the open area on the bottom of the shelf as shown in
Figure 6
.
Line up the four mounting holes with the PEM nuts and install the four 6-32 x 1/2" Stainless Steel
Hex Head Bolts using a 1/4" nut driver as shown in
Figure 7
.
Figure 7
Connecting Wires to the MatchBoxx™, Tuner and Shelf
One 3-1/2" wire with ring terminals on both ends is connected from the "GND" connector on the
MatchBoxx™ to the hex bolt used on the MatchBoxx™. This wire connects the MatchBoxx™ to
the shelf (ground) as shown in
Figure 8
.
Remove the existing Nyloc hex nut and flat
washer. Install an external tooth washer,
then one end of the 3-1/2" wire, the flat
washer and Nyloc hex nut. Do not tighten. If
the ring terminal is allowed to move, it will
make connecting the other end of the 3-1/2"
wire a bit easier.
On the MatchBoxx™ "GND" terminal, remove the wing nut, split washer and flat washer. Install
the other end of the 3-1/2" wire coming from the shelf grounding point. Re-install the flat washer,
lock washer and wing nut. Tighten the wing nut firmly. Do not over tighten. Pliers are not needed.
Move the ring terminal at the other end so the wire is placed properly and tighten the Nyloc nut.
Figure 8
