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Fig. 2-7.
Motor removal
CAUTION
Electromagnetic
brake
adjustment
(clearance between turntable and magnet
turntable
To FG coil
To Motor
co
LK
""
~
}
test
point
ac21+2V
3
Fig. 2-9.
Test point for electromagnetic
brake adjustment
2-8.
MICROSWITCH
REPLACEMENT
mounted
on
turntable
base) should
be
Performed, ab Zollows after replacing: the
1.
Remove
the
turntable
base
as described
in
PIOPOES
Procedure
2-3.
1. First of all, confirm that the turntable
2.
Unhook
the spring pressing the microswitch
does not touch with the magnet on the
holding
shaft
against
its bracket.
Carefully
turntable base (See Fig. 2-8). If it does,
draw out the microswitches
along with their
adjust the magnet height by replacing
holding shaft as shown in Fig. 2-10.
i
ACR OUS Diaks.
3.
Remove
the retaining rings at one
side of the
Three
kind
of
mounting
plate
are
available
as specified
in table below.
To remove the magnet and mounting
plate, apply a few drops of cement
solvent to them.
shaft,
and
then
replace
the defective
micro-
switch as shown in Fig. 2-10.
To.
reassemble,
reverse
the
aforementioned
procedure.
[EP Model]
1
[AEP Model]
Description
Thickness of plate (mm)
| Part Number
Mounting plate,
;
1.6
4-8 08-445-02
5
magnet
1.0
4-8 08-445-11
0.5
4-8 08-445-21
2. Set
the
turntable
for
33-1/3
rpm
operation, and then measure the voltage
applied to the motor at the 5-p termi-
nal strip as shown
in Fig. 2-9.
It
should be within the limits of 21 +2
volts ac. If not, readjust the clearance
between the turntable and the magnet
by
replacing
the
mounting
plate
as
previously described.
SS
Qe
SH
Fig. 2-10.
Microswitch replacement
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