Hafler DH-200, Assembly And Operating Instructions Manual

Page: 7 / 21

6 • Select the larger round input socket, its insulating disc,
the solder lug with lockwasher teeth, two #4 screws,
and the two nylon nuts. This socket will be installed at
RS. The inside of the chassis at RS and LS has not been
painted, so that a good ground connection can be
made. It may be necessary to clean this with a solvent,
or with an eraser, before the sockets are installed. Place
the solder lug on the lower mounting screw inside the
chassis, followed by the insulating disc, then the socket.
Position the lug toward the edge of the chassis. The
shorter ground lug on the socket should also be nearest
this right edge. Secure this socket with the nylon nuts.
7 • Select the other input socket and two sets of #4 hard­
ware. Install it at LS after cleaning the unpainted area,
with its short ground lug near the left edge of the
chassis.
8 • Select the four-lug rectifier block RB, the long #6
screw, and a nut. Install the rectifier in the center hole
near the rear of the chassis, with the plus (+) terminal
located over the tiny indexing hole at position four.
Correct orientation of this rectifier is essential for
proper wiring.
9 • Select the single fuse clip, and one set of #4 hardware.
Install the clip in the right front chassis hole FC, closest
to the foot.
10 • Select the two dual fuse clips and four sets of #4 hard­
ware. Install these in the pairs of holes F L and FR on
either side of the center of the chassis.
11 • Select the two-lug terminal strip and one set of #4
hardware. Install it in the front hole TS, next to the
single fuse clip. Note the position of the mounting lug
(to the right) in the pictorial diagram.
N O T E :
Kits provided with the multiple voltage power transformer
for locations outside ;K- United States which use a line (mains)
voltage other than 120 V A C , are also supplied with a five-lug ter­
minal strip which is to be installed in place of the two-lug strip, using
an additional set of
#4 hardware near the dual fuse clip.
12 • Select the power switch. If it says "Carting," position it
with lug #3 at the top. If it says "Chicago," position the
small protruding plastic lug at the bottom. Snap it fully
into the front chassis hole PS from the outside.
A soldering iron will be used regularly for installing the wir­
ing. Be sure you wipe its tip frequently with a damp cloth or
sponge, as a bright tip will make connections easier with less
likelihood of overheating components. If it is difficult to heat
a connection in a couple of seconds, apply a small amount of
fresh solder to the tip so it can flow around the connection
and provide good heat transfer.
Take the time to observe the direction each wire takes from
its connecting lug, so that when you connect the first end, it
will be pointing in the right direction. This makes the job
neater, and assures that each wire is long enough.
13 • Prepare a 6-1/2" green wire. Connect one end to dual
fuse clip F L lug # 1. Connect the other end to the other
dual clip FR lug #1. (S).
14 • Prepare a 6-1/2" white wire. Connect one end to FR
lug #3. Connect the other end to F L lug #3. (S).
15 • Select the 2.2 ohm (red-red-gold) resistor. Cut each
lead to 112" or less. Connect one end to the separate
solder lug installed under input socket RS. (S). Con­
nect the other end to the short (ground) lug #2 of
socket RS.
16 • Prepare a 10" green wire and a 10" white wire. Twist
these together uniformly (about three complete twists
every two inches). Connect the green wire to the short
RS lug #2. (S-2). Connect the white wire to RS lug
# 1. (S). Place these wires out of the way, over the edge
of the chassis.
17 • Select one of the .0047 mfd film capacitors. Cut each
lead to 1/2", and connect one lead to fuse holder R F
lug # 1. Connect the other lead to R F lug #2.
18 • Prepare two 8" white wires. Start with one wire project­
ing 3/4" beyond the other, and twist them uniformly
together throughout their length. Connect the project­
ing end to R F lug #1. (S-2). Connect the correspond­
ing end of the other wire to RF lug #2. (S-2). Place this
pair over the edge of the chassis.
19 • Prepare an 11" white wire and a 9" green wire. Starting
with the white wire 3/4" longer than the green wire,
twist them together to within one inch of the other end
of the green wire. At the beginning end, connect the
green wire to output terminal lug #B4. Connect the
white wire to lug #R3. (S). Place these wires off to the
right.
20 • Prepare a 6" green wire. Connect one end to lug #B4.
(S-2).
21 • Prepare a 10" white wire and a 10" green wire. Twist
them together, and connect the green wire to the short
LS lug #1. (S). Connect the white wire to LS lug #2.
(S). Place these wires to the left, over the edge of the
chassis.
22 • Select the remaining .0047 mfd film capacitor, and cut
each lead to 112". Connect one lead to L F lug # 1, and
the other lead to L F lug #2.
23 • Prepare two 7-1/2" white wires. Start with one wire
3/4" longer, and twist them together throughout their
length. Connect the longer end to L F lug #2. (S-2).
Connect the other wire to L F lug # 1. (S-2). Place these
wires off to the left.
24 • Prepare a 9-1/2" white wire and a 10" green wire.
Starting with the white wire 3/4" longer than the green
wire, twist them together to within one inch of the other
end of the white wire. At the beginning end, connect
the green wire to output terminal lug #B1. Connect the
white wire to lug #R2. (S). Place these wires off to the
left.
25 • Prepare a 6" green wire. Connect one end to lug #B1.
(S-2).
7