MTR221/A - MTR221/A DHHS
MANUALE ISTRUZIONI / INSTRUCTION MANUAL
Modello/Model R221/A - R221/A DHHS
I
NSTALLATION
11
R22
1/A
- R221
/A DHHS -
Inst
all
ation
Ralco
srl
• Mount the flange and spacers to the tube port with 4 screws that must be long enough to
be driven into the tube port face for
at least 5 threads
.
• Tighten the screws.
Mounting the Collimator to the Flange
• Unscrew the four mounting Allen screws until the four tabs are withdrawn from the
collimator top opening, see
Fig. Mounting Flange
in this Chapter.
• Manually adjust the collimator shutters to their widest setting. This ensures the near-port
shutters when fully open, do not contact the side of the X-ray tube housing.
• Carefully couple the collimator with the tube: make sure that the primary near-port shutters
have enough clearance to move in the port opening and in the mounting flange, see
Fig.
Tube Compatibility
in this Chapter.
For the collimator to rotate to position "Ø", two of the four tabs retract to allow to rotation.
Adjust and tighten the four Allen screws as follows:
screws 1 and 3 = tighten, without excessive force;
screws 2 and 4 = 5½ turns exactly;
See
Fig. Mounting Flange
in this chapter. Please Note: If Allen screws "2" and "4" are
tightened more than 5 ½ turns, the collimator will
not rotate
.
• The collimator control tabs conform to
EN60601-1
. Secure the tabs along the edge of the
mounting flange but do not lock them. Excessive tightening of the tabs prevents collimator
rotation.
• Check that the distance between the collimator housing and the mounting flange is equal in
all directions and, that the collimator face is parallel to the table axis.
• Loosen the screws and adjust if required.
•
I
MPORTANT
TO
SAFEGUARD
THE
OPERATOR
AND
PATIENT
AGAINST
THE
HAZARD
OF
A
FALLING
COLLIMATOR
,
THE
FOLLOWING
INDICATIONS
MUST
BE
RESPECTED
.
WHEN
UNSCREWING
THE
ALLEN
SCREWS
WHICH
CONTROL
THE
TABS
,
DO
NOT
USE
FORCE
EXCEEDING
0,55
NM
.
UNSCREW
WITH
CARE
SO
AS
NOT
TO
DAMAGE
THE
FIXING
TABS
.
Содержание MTR 221/A
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