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Assembly
1. Mount the LED holder [8] onto the upper case [1].
Attach the LED holder [8], and then use the
washer and nut to mount the LED holder in
place from the back side of the upper case.
2. Install the main circuit board [20] onto the
upper case.
Run the battery snap wires under the main
circuit board, making sure that the knot does
not loosen.
If the knot is loose, the battery snap will not
be able to reach the battery terminals .
3. Attach the washers [18] for the jack, and
temporarily tighten the nuts [17].
Make sure that the positioning tab on the
volume control of the main circuit board
fits perfectly into the notch on the upper
case, and then tighten the nut while
holding the jack.
positioning tab
Be careful not to tighten the nut too hard, so as not to damage the
threads on the jack.
Should not be loose
4. Attach the washer [7] onto the volume control, and then tighten
the nut [6].
After you have finished tightening the
volume control nut, retighten the jack nuts
[17] that you temporarily tightened.
5. Attach the foot switch unit [13] to the upper case [1].
After tightening the nuts [14] on
the foot switch unit [13], attach
the internal tooth lock washer
[15].
Mount the foot switch unit so that
its LED fits right into the LED
holder mounted on the upper
case, and then tighten the foot
switch unit using the washer [16]
and nuts [14].
6. Attach the circuit board cushion [22] onto the back side of the
Nutube circuit board [19].
Nutube circuit board
Circuit board cushion
7. Connect the Nutube circuit board [19] and the main circuit board
with harness A [21].
[14]
[14]
[15]
[16]
Nutube circuit board
as-built drawing