Sirona ORTHOPHOS XG 3 DS, Service Manual

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59 38 399 D3352
D3352.076.01.13.02
07.2008
6 – 35
Tab 6 6.12 Replacing the motor-driven diaphragm (for XG
Plus
/ XG 5)
6.12
Removing the defective diaphragm unit
z
Pull cables L11 and L12 off of connectors X501 (L11) and X101 (L12) on
board DX61 (see page 6-36).
z
TSA operation only:
Pull cables off of connectors X203 , X303 , X304 , X405 and X406 on board
DX61.
1. Loosen the upper screw (A) and the two lower screws (B) and remove the
diaphragm unit.
NOTE
i
If the two lower screws are not accessible, push the lower slider (B) upward
manually. If the slider is in such an unfavorable position that it cannot be
pushed upward, then:
– Remove board
DX61 ,
– Loosen the 4 screws on motor C and raise it together with the spindle.
Installing the new diaphragm unit
z
Start by fastening the new diaphragm unit to the unit with screw A .
z
Then screw in the two lower screws (B) and carefully tighten
them securely (to a torque of 80 Ncm);
Caution! Aluminum housing .
z
Plug cables L11 and L12 onto connectors X501 (L11) and X101 (L12) on
board DX61 (see "Cables and connectors for replacement of the mo-
tor-driven diaphragm unit" on page 6-36).
z
For TSA operation:
Plug cables back onto connectors X203 (motor cable L20), X303 (light
barrier cable L21), X304 (light barrier cable L21), X405 (laser light localiz-
er 1 TSA) and X406 (laser light localizer 2 TSA) on board DX61 (see "Ca-
bles and connectors for replacement of the motor-driven diaphragm unit"
on page 6-36).
Attaching the covers
z
Reattach the covers.
ATTENTION: What to do after replacement?
– Since board DX61 is always replaced along with the diaphragm unit, also
be sure to observe the “Measures following replacement of boards“
(see section 6.20.1).
– Perform a complete unit adjustment (see chapter 4).
– Take diaphragm test exposures for possible later evaluation by an expert.
B
DX61
C
DX61