Acteon X-MIND prime 3D ceph - Page 273

Service Manual – Corrective maintenance
SERVICE MANUAL • X-MIND prime 3D • (19) • 11/2019 • NXMPEN080A
271
1. Remove the ceph upper cover (refer to paragraph 7.4.3)
2. Lose the fixing screws F and act on regulation screw R according the table
below
3. Tighten the fixing screws F and acquire again a check image
4. Iterate the procedure until the required tollerance on |H1-H2| measure is
reached
ACT of regulation screws
Effect on measure of H1-H2
R [clockwise]
INCREASE segment H1 on the
acquired image,
move RING UP
R [anti-clockwise ]
DECREASE segment H1on the
acquired image,
move RING DOWN
R screw turn-pixels “conversion”
1 complete screw R turn → add/remove about 7 pixels to the
measure of |H1-H2| on acquired image
Furthers checks after the adjustment
If the vertical regulation has been modified perform all the
checks required by paragraph 7.12.
• Horizontal ear rods corrections:
1. Remove the ceph upper cover (refer to paragraph 7.4.3)
2. Lose the fixing screws F and act on regulation screw R according the table
below
3. Tighten the fixing screws F and acquire again a check image