Heathkit IG-18 User Manual

Page 16
STEP-BY-STEP ASSEMBLY
All of the rotary switch wafers have twelve
lug locations, numbered 1 through 12. In some
switches not all twelve locations are
but each location will still be numbered.
numbering runs clockwise as viewed from
knob end of the switch. The switch wafers are
designated "FIT for front and "R" for rear.
for example, is lug number 2 onthefront
For your wiring each switch will
be temporarily mounted to the chassis while
it is prewired.
MUL TlPLIER SWITCH
Refer to Pictorial 8 for the following steps.
( ) Refer to Detail 8A and mount the 4-position
rotary switch (#63-488) in chassis hole L.
Use a control nut. Turn the nut down only
finger tight.
Detail SA
Connect the components and wires to the Multi-
plier switch as directed in the following steps.
NOTE: Either end of the following five capacitors
may be connected to either the front or rear
wafer.
( ) Connect a .5 f.LF capaCitor from lug F2
(8-1) to
lug R2 (8-1).
( )
Connect a 5 f.LF capacitor from lug F1 (8-1)
to lug Rl (8-1).
1 -l/ 2"
WHT
MULTIPLIER SWITCH
(63-466)
r!i'b
PICTORIAL 8
9"
ORG
) Connect a .05 f.LF calt:l<lC~1tc,r from lug F3 (8-1
to lug R3 (8-1).
Connect a .005 f.LF Call1a(~it()r
(8-1) to lug R4 (8-1).
from lug F,
Connect a 500pF calpac~itc,r from lug F5 (8-1
to lug R5
(S-l).
Prepare thE~ fClllc}wing lelogths of hookup wire
1-1/2" white
9" orange
( ) Connect one end of the 1-1/2" white wirl
to lug F7 the other end will be con·
nected later.
Connect one end of the 9" orange wire t
lug
Fll (8-1); the other end will be con
nected later.
This completes the prewiring of the Multiplie
switch. Remove the switch from the chassis an
inspect your work. All of the lugs on both wafer
should be soldered except lugs R7 and Rll whic
will be used later. Set the switch aside until '
is called for later.

Heathkit IG-18 Specifications

General

Brand	Heathkit
Model	IG-18
Category	Test Equipment
Language	English