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Heathkit SB-220 - Knob Installation

Heathkit SB-220
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1
L-1
Page
59
0
0
2KW
LINEAR AMPLIFIER
TUNE
I
@
LOAD
BAND
I
OFF
ON
CW
TUNE
PICTORIAL
4-18
KNOB
INSTALLATION
Refer to Pictorial
4-18
for the following steps.
(
)
Refer to Detail
4-18A
and start two
8-32
x
114"
setscrews into each of the three large knobs. Start a
single setscrew into each of the two small knobs.
(
1
Turn the shafts of the Tune and Load capacitors
so
the plates of each are fully meshed.
(
1
Turn the three other shafts fully counterclockwise.
(
1
Install the knobs on the shafts so the index marks are
positioned as shown in the Pictorial, and tighten the
setscrews.
SMALL
LARGE
Detail
4-18A
Proceed to "Test and Final Assembly."

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