Seeburg LS 1 - Contact Gap & Pressure Adjustments; Contact Gap & Blade Pressure Adjustment

SFRVIOF MANIIAI
20- 22
..REVERSING
SWITCH
2"
- -
CONTACT
SE
LECT.O.MATIC MECHANISM ADJ USTMENTS
Page 37
ADJUSTMENTS
.see
schematl. dtagrad
fo. ctrcuit
dctail3.
=
t=
d1** *i*
[-,;;-
-
ll*
tEVER'
-
ADJUSTMENT PROCEDURE
-
CAUTION: TURN
OFF POWERI 117 volts i3
pres€nt
on
conracts
1M5, 1M6, 1M7 and 1M8.
A.
Move the 6wttch
lever
to
the .lght.
B. Adjust contacts
lMl
fo.
a
gap
of
l/32 inch.
C, Pushthe bakellte
erd
plate
slowly
to the.lsht.
At
ihe
in.ta.t contscts
1M4, 1M6
and
1M8
just
breek,
lM3,
1M5 snd
lM7
mu.t have a
sap
of
1/32 inch.
D. Move
the switch lever to
the l€lt.
E. Adjust contacts 1M2 fd s
sap
ol t/32 Lncll-.
F.
Push
the bakelite end
plat.
.lowly
to th. l.ft.
i.staat
contacts
1M3, IMS
ard
rM?
Just
bre.k,
1M4, 1M6
and
1M8
must have a
g.p
of l'J2
jnch,
ALL CONTACTS
MUST HAVE
A PRESSURE
OF
25
GRAMS
(I
OZ.) MINIMUM WHEN CLOSED.
..CLAMP
ARM SWITCH"
- -
CONTACT GAP
&
BLADE
PRESSURE ADJUSTMENT
This switch
controls
power
relay
in
the Autcspeed Unit when intermixed 33.1/3
and
45
rpm. records are
played.
"6Ml'
contact has l/32 lnc,r
gap
ln
play po.itlon
wlth
stendad 45 Iptu. record clamp.d on t6t.blc end l.
cloBed tn
SCAN
positlo.
atrd wher 33-ll3 .p6. ..cod
1.
CONTACT MUST HAVE 25
GRAMS
(I
OZ.)
MTNIMUU
PRESSURE
WHEN CLOSED.
CLAMP
ARM
SWITC
H
(sHowN
tN PL aY Po-
srTroN) wtTH 45
RPM.
RECO
RD
C
L
AMP EO.
lulututlrr
REFERENC
E SCALE
?HEIE LINE3
aPACaO
t/a2"
ACTUAL SIZE
& PRESSURE
CONTACTS
CONTACT GAPS coNTACr FuNcrIoNS
*
1,/32 inch clear€nce when switch
lere. ts to
Connects Indicator Ltshts fot indicating
light
sid€s of.ecords.
tM2
1/32 ioch c1e{ance
when
switch
Iever is to
C@nects
Indicatq LightB
lor indicating telt
tM3
l/32 inch
esp
at instant
lM4, 1M6
6nd
lMa connects
L
contact of cont6ct
Plunge.
Block
for
Rtsht
Side Selecttms.
tM4
1/32 inch
sep
at
instant 1M3, 1M5 snd 1M7 connects R.ontact of Contact
Pru.eer
Block
fot
Lelt
Slde
Selecttors,
lM5 & lM7
1/32 \^ch
eap
at instant
1M4,
lM6 and
lM8 These contacts closed 30 dotor tuds fo. SCANNING
to
LEFT ond for PLAYING
RIGHT
SIDES.
tM6 & tM8
l/32
hc,j
eap
et instant
1M3,
1M5 and
1M7
These contacts
clos€d so hoto!
tun3
lor SCANNING
to RIOHT 5nd ToI
PLAYING
LEFT SIDES.