Heathkit HM-2102 - Page 11

Page 8
INSIDE OF CONTROL
FRONT PANEL NUT
Detail 4B
( ) Install the 200 kQ control with switch at AC on the
front panel with a control spacer, a control flat
washer, and a control nut, as shown in Detail 4B.
Ne INST DE OF
:FRONT PANEL
METER
HARDWARE
Detail 4C
( ) Remove the meter from its carton and locate the
meter hardware in the same carton. Mount the meter
at AE; use the meter hardware as shown in Detail 4C.
NOTE: Do not overtighten the meter nuts, as the
meter case can be broken. Make sure the meter top is
parallel with the top of the panel. The shorting wire
will be removed later.
HHATHEIT®
a
INSIDE OF
FRONT PANEL
CONTROL
NUT
(Sy
CONTROL (2)
LOCKWASHER rAD) x<
® CONTROL
FLAT WASHER
Detail 4D
( ) Refer to Detail 4D and install the 3-position switch at
AD with a control lockwasher, a control flat washer,
and a control nut. Position the switch as shown in
Pictorial 4.
( ) Connect a .005 uF disc capacitor between the positive
(+) lug (NS) and the negative (unmarked) lug (NS) of
meter AE.
NOTE: Where a wire passes through a connection and then
goes to another point, as in the next step, it will count as
two wires in the solder instructions (S-2), one entering and
one leaving the connection.
{ ) Locate the bare lead saved from the circuit board
assembly and connect it from lug 5 (S-1) to lug 2 (S-1)
of switch AC.
{ ) Cut 4" from one end of the cable. Carefully cut about
1/2"
of
the
outer
insulation
from
the
wires
in
the
4”
length. With a pair of long-nose pliers pull the wires
out of the outer insulation. Save a 1” piece of the
outer insulation to use later.
{ ) Prepare the 4’ red, white and black wires by removing
1/4” of insulation from both ends of each wire. Then
twist the wire ends tightly and apply a small amount
of solder to each end to hold the smaii strands
together.