Seeburg LS 1 - c. Adjustments; a. Frequency

SERVICE
IVANUAL
n- 22
Page
3l
SE LECT_O_MATIC MECHANISM
ADJ USTMENTS
..PICKUP
I3"
-
NEEDLE
PRESSURE
ADJUSTMENTS
This
adjustment
establishes the
needle
pressure
at 2/2 to 3
grams
for
either Right or
Left
sides.
Correct
pressures
result in
proper
tracking and in
a minimum of needle and record
weat.
Place mechaniso
.in Rigbt
side PLAy
position
vith a flat record
clampcd
on
the Flywheel.
ti EEDL
E
PRE55U
sPitliG
LuCS
@
ar-
off
power so record
is oot
turoing.
Adjust
position of
on Left s ide
of
needle pressure
is
Pressure
Spriog
Lug
Pickup
A.m
so
that
2fi
to
3
gtar,s.
HOLO G AU6E
A5
SHOWN TO APPLY
FORCE
!N THI5
Repeat same procedure
on Left side
PLAY position
by adjusting
the pressure
Spring Lug
oo
R.ight
side
of
the Pickup
Arm
for
2l to
I
graos
needle pressure.
NOTE: b'or dccurate
odiusrrnent needle
prcssarc
sbould be
measated
wilb a
gran
gauge
as
fallous:
Place
the tip of
the
gauge
spriog
against dre
pickup
case aod lift the
pickup
so that needle
is
about
f
ioch
from the record.
Slowly relax thc fotce
of
the
gauge
agaiost the
Pickup
so
the rccdlc
oovcs
toward the record.
Stop
tbe
inward movenent vhco
the
oeedle
is
abo*
1/16
ioch
froto che
record
and read ind-icated
pressure
oo
gauge.
Pressure should be
between 22
and
I
grams.