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55000-00011_002_01 – 1756789 – 2017-09-06
68
12
Adjustments
Figure 33
12.1
Setting spring arm swivel range type
AC 2000 LCH
The vertical swivel movement may only be adjusted within the
range of +30° (upwards) and -45° (downwards). The swivel
range can be set so that the collision with the ceiling or with
bordering objects can be avoided (the swivel range can be
restricted down to the horizontal level).
12.1.1 Disconnecting the power to the lighting
system
Ceiling-mounted version
1. Switch off the operating theatre master switch.
→ The lighting system is disconnected from the power
supply.
2. Secure the master switch against accidental switch-on.
Mobile stand version
1. Switch off the power supply unit, position the switch in
Position 0 (see Chapter 6.3.1, page 46), pull the mains
cable out of the safety socket.
→ The mobile lighting system is disconnected.
2. Secure the mains plug against unintentional plugging-in.
12.1.2 Setting the swivel range
Removing the covers
1. Carefully press in and unlock the four lugs ① of the two
halves of the cover ② with a suitable flat screwdriver.
2. Remove the two halves of the cover ②.
Adjusting the swivel range
3. Insert the a ached pin ④ (Ø4 mm x 110 mm) into the
hole of the adjus ng nut in the adjustment opening ③.
Reducing the swivel range
• Turn the internally arranged adjusting nut to the right
(clockwise).
Increasing the swivel range
• Turn the internally arranged adjusting nut to the left (anti-
clockwise).
Installing the covers
4. Place the halves of the cover ② on the spring arm and
press the four lugs ① against the spring arm, so that
they engage.
5. Check the firm a achment of the cover ②.
6. Carry out a function test of the swivel movement.