SERVICE MANUAL
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80.22
Page 3
SOLID STATE STEPPER UNIT,
Type SSU4
The tabs oo
tbe release dog operatiog lioks
vhich eogage the dogs
and
couple
them to the
reset uragoet
reset
Eagoet should
not bind tigbtly
but should Dot
peroit
Eo(e thao 0.005 ioch free
travel betveeo
the dogs aod the lioks.
h. Reset Magnet
Tail
Spring
The
force applied to the end of
the teset
oagoet
araature
("2",
Figure 2) to
start
it ftom the
rest
positioo
should
be 100 to
140 gtaas
(3%
to
5
oz.).
i. Release
Dog Springs
An
upward
fcce of
15
to 25
grams
(%
rc
%
oz.)
applied at the diople
on the release dog operatiog
links
("Y",
Figure 2) should start
the dogs froo
seated
position. This
force
will
be apptoxioately
correct
if the sp,rings
are wound
Yt
to
%
trnt.
J.
Transfer
Switch Position
Adjust the
positioo
of the
svitch
oo the
mouoting
bracket so
the roller is io
tbe aotch of the coa'
tactor
asseobly disc
aod the first
oPeratioo of
one step
rlagoet causes
no chaage of
the roller
blade,
see Figure 8.
The
second oPeratioo of the
srep magnet
should
raise dre roller
to the oute!
diareter of
the disc.
The flanges of
the roller
should
oot
&ag on
the disc aud
the roller
bracket shouldnotsrike
the switch
cootact
plate.
L
Vith the step
switch in
the rest
positioo
so
the roller
is in
the notch of
the cootactor disc,
adjust the lover
blade fq
Yz
to
%
oz.
2.
Adiust contact
8Dl
gap
L/64
itch.
3.
Adjust cootact
8D2 force
I
oz.
NO. I
CONIACir
PLAT
E SWITCH BLAOES
TRANSFER
SWII
C H
^":."::"
Figure
8.
Transfer
Switch
Detail.
4. Tbe second opeetion of
the step
magnet
should tesult in closing
co[tact 8D1 with
loz.
force aod opeoinS coatact 8D2
l/64 inch
to
L/32 nch
gap.
k. Lubrication
Lubricate with a &op of Seeburg
No.
,3014
Special
Putpose
Oil:
l. Pawl Pivots and slidiog
surfaces of the
Pawls
oq the step relay arEatules.
2. Pawl
guides
at area
of coltact
with
pawls.
3,
Step
switch
shaft
bearings.
4. Roller
oo
roller blade of traosfer
switch.
5.
Relay
hiages.
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