1-4
" Do not remove collimator interface plate. This plate is factory aligned and
should not be disturbed. (However, if any of the interface plate screws are
loose, reĆtorque them to 32-40 pound-inches (3.6-4.5 N-m)).
10. Apply Loctite 290 to the port plate screw and tighten to 45-50 pound-inches
(5.1- 5.6 N-m). Loctite 290 is thin and, like a wick, will draw down around the
screw threads. Clean the area of any residue solution.
11. Turn collimator upside down and insert cone into the tube port interface plate.
Align mounting screw holes.
12. Attach collimator assembly to tube port interface plate with three 10-24 0.75
inch hex socket head cap screws using Loctite 242. Torque to 50-60 pound-inĆ
ches (5.6-6.8 N-m).
& " !""
1. Horizontal arm assembly is in parked position on top cover of unit (or counterĆ
weight is secured) Check that power is off.
2. X-ray tube is facing upward.
#"
" # " $ " " !% $ #"&
" " "# " ! ! !%
3. Turn collimator upside down and insert cone into the tube port interface plate.
Align mounting screw holes.
4. Attach collimator assembly to tube port interface plate with three 10-24 0.75
inch hex socket head cap screws using Loctite 242. Torque to 50-60 pound-inĆ
ches (5.6-6.8 N-m).
5. Route collimator cable along the cathode cable to strap point on side of the colĆ
umn. Secure collimator cable in place with ty-raps to the cathode cable. See IlĆ
lustration 1-1.
6. Drape the cable from the side of the column to the terminal box on the back of
the column. Insert the cable with a Heyco bushing up through the bottom of the
terminal box.
7. Connect collimator cable leads to terminal block in accordance with connection
data recorded and tagged on leads.
8. Position back cover on terminal box and secure with two screws.
9. Rotate x-ray tube and collimator assembly to a port down position.
" If the collimator being installed is a replacement, perform Beam Quality
(Half Value Layer)" in Direction 2173227-100
. Also perform Functional Test - Manual Rad Collimator Version" in
Tab 6 of Direction 46-013894, .
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