59
16)
At the time of assembly of the mechanical unit, match the each eye mark and be careful
about misaligning of the mechanical unit to the chin rest.
Eye marks
Example of matching the eye mark
17)
Move the fluctuation mechanical unit and the back and forth mechanical unit that are
moved on 5) above to the position that the sensor reacts before the turning power on.
12-10
Replacement of the power supply switch
1)
Lift the base cover 1 up (refer to 12-9).
2)
Push the power supply switch out to the B direction with A part pinching with a nipper.
3)
Remove the harnesses that are connected to the power supply switch.
4)
Insert the new power supply switch with care of the direction and put the harness
removed at 3) above back together.
A
To
the
brown
B
To the light blue
fuse holder
To the brown
switching power
supply
To the light
blue switching
power supply
12-11
Replacement of the chin holder vertical movement switch board ASSY
1)
Remove the harnesses that are connected to the chin holder vertical movement switch
board ASSY (refer to 12-9).
2)
Remove the base cover 2 (refer to 12-9).
3)
Remove one of the rubber leg indicated below.
4)
Unscrew 4 fixing screws of the chin holder vertical movement switch board ASSY from
the holes of the base sheet metal.
Rubber leg
Chin holder vertical movement
switch board ASSY
Summary of Contents for AKR 750
Page 1: ...Auto kerato refractometer Maintenance Manual V1 09 2016 ...
Page 6: ...4 Block Diagram ...
Page 7: ......
Page 8: ...8 ...
Page 66: ...65 ...