Checking And Adjusting The Support Arm; Round Support Arm System - Dentsply Sirona Heliodent Plus Service Manual

4 Maintenance
4.7 Checking and adjusting the support arm
50
4.7

Checking and adjusting the support arm

CAUTION
Switch OFF the unit before connecting a measuring instrument or
replacing parts!
4.7.1

Round support arm system

Check
● Are all bellows intact?
– If the bellows are damaged, the support arm must be replaced.
See section "Replacing the support arm".
● Does the X-ray tube assembly drift from its work position on its own?
– If the X-ray tube assembly drifts, the support arm must be
readjusted.
Setting
Adjusting the spring on the scissor arm (support arm side)
1. Invert the bellows over the half-shells (A) on both sides.
2. Pull off the half-shells.
3. Pull the scissor arm apart and slide the bellows over the bearing.
4. Set both support arms in vertical position.
5. Insert the Torx screwdriver (T30, 200 mm) into the drilling of the
bearing from the top and adjust the spring (right turn = tighter).
6. Reassemble the support arm by completing the same steps in
reverse order.
Adjusting the spring on the scissor arm (X-ray tube assembly side)
1. Invert the bellows over the upper half-shell (A).
2. Press the bellows downward.
3. Set the support arm into a horizontal position.
4. Insert the Torx screwdriver (T30, 200 mm) into the drilling of the
bearing from the front and adjust the spring (right turn = tighter).
5. Reassemble the support arm by completing the same steps in
reverse order.
Dentsply Sirona
Service Manual Heliodent Plus
62 15 102 D3507
D3507.076.01.15.02 03.2018