Haag-Streit OCTOPUS 300 Service Manual Download Page 20

 

 

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OCTOPUS 300 Service Manual 

Removal 

 

Remove 'Housing' and 'Optical unit' as described in Chapter 7.1 and  7.2. 

 

Remove the 3 torx screws (size 25) which are fastened down onto the 'Lift-/ swivel unit' from the top. See Figure 7-5. 

 

Figure 7-5 

 

 

 

Gently lift up the 'Z-shaft', at the same time thread the connectors that were loosened in Chapter 7.1 and 7.2 through the slots in 

the 'Z-shaft'. 

 

Place the 'Z-shaft' on a clean surface. 

 

Reassembly 

 

Reassemble in reverse order to removal. 

 

Check 

Before mounting the 'Optical unit' be sure that all the connectors and cables have been passed through the slot in the 'Z-shaft'. 

 
 

7.4

 

Fixation Target (1802206) 

7.4.1

 

Fixation Board (1802207) 

 

NOTE:

 

If the 'Fixation board' is defective there is no need to replace the entire 'Fixation target', one can simply remove 
the 'Fixation board' from the 'Fixation target' by following the steps below. 

 

Removal 

 

Remove the housing (see Chapter 7.1) 

 

Remove the 10 pin flat cable from the 'Fixation board'. 

 

Remove the torx screw (size 15)

 

holding the 'Fixation target' to the 'Optical unit'. Simply lift the 'Fixation target' out of the two 

guide pins. 

 

Remove the two hexagon socket screws (wrench size 2,5) and washer holding the 'Fixation board' to the 'Fixation target'. 

 

The 'Fixation board' can simply be removed. 

 
Reassembly 

Reassemble in reverse order. Before remounting the 'Housing', go through the check procedure below. 
 

3 torx screws (size 25). 

Summary of Contents for OCTOPUS 300

Page 1: ...49 4103 709 02 Fax 49 4103 709 370 info haag streit de HAAG STREIT FRANCE France Phone 33 4 5009 0033 Fax 33 4 5009 7190 info haag streit fr HAAG STREIT UK United Kingdom Phone 44 1279 414969 Fax 44...

Page 2: ...ion Target 1802206 20 7 5 Correction Lens Holder 1007496 22 7 6 Background Module Lamp house 1802247 26 7 7 Brightness Regulator Module 1802248 27 7 8 Stimulus Projector OCTOPUS 301 1802249 Stimulus P...

Page 3: ...g 1802250 1 Patient response button 1802032 1 Dust cover 1802304 1 User s Manual 1802737 1 Ocular cover 1800339 3 Touch pens 1802303 1 Eye occluder 2 pieces 1800339 2 FuesT3 15 A 250 V 1801326 1 Allen...

Page 4: ...ed Make sure that the instrument is connected only to the power source as defined on the perimeter rating plate The on off switch does not separate the perimeter from the power lines Before maintenanc...

Page 5: ...uctions are put into the text as needed They vary in importance and should help preclude risks for the patient and operator hinder damage to the perimeter and insure optimal functioning ATTENTION Inst...

Page 6: ...housing 2 Lower housing left and right 3 Grip locations left and right 4 Rotation and height adjustable instrument column for fine positioning 5 Headrest with 6 Forehead rest with integrated sensors...

Page 7: ...g safety standards 3 2 Instrument Table An electrically adjustable instrument table optional makes it possible to comfortably adjust the height of the instrument to the individual size of the patient...

Page 8: ...instrument using both lower housing halves to lift it out of the packing Two ribbed grips hinder sideways slipping Since the OCTOPUS 300 works without a cupola a fully darkened room is not required I...

Page 9: ...nse button is accessible from below on the headrest support The catches on the Patient response button connector are oriented in the direction of the instrument column ATTENTION Besides the Patient re...

Page 10: ...s only used when additional program options have been purchased To avoid free access and faulty manipulations the function is protected The Dongle button is only released after the two headrest sensor...

Page 11: ...e additional functions are only made accessible when the dongle code is entered without any mistakes into the instrument it was created for 4 2 3 The Results of Code Mistakes Every dongle code is uniq...

Page 12: ...6 11 12 13 15 Figure 5 1 OCTOPUS 300 Functional diagram 1 Patient eye 9 Beam splitter 45 2 Trial lens holder 10 Background illumination 3 Ocular 11 Electronics 4 Image plane 12 Fixation targets 5 Beam...

Page 13: ...ol 5 2 2 Pulse width Modulation A typical stimulus of 100ms duration is formed by a burst of 20 5ms pulses The width ratio LED switch on LED switch off time of the 20 pulses can be increased or decrea...

Page 14: ...te LED s During initialization of the perimeter the background brightness is measured by a photo sensor and controlled by a DAC value Pulse width modulation is not used for background illumination 5 4...

Page 15: ...r 16 Light measurement 17 Figure 5 5 Optics module 1 Fixation targets 10 Stimulus LED 2 Fixation target objective lens 11 Condenser lens 3 CCD camera chip 12 Deflection mirror 4 Camera objective lens...

Page 16: ...e instrument wet and never use any solvents 6 1 1 Patient Response Button Chin and Headrest Turning Knobs and Eye Occluder All of these parts are made from plastic which can be cleaned with no problem...

Page 17: ...mm Set of Torx screwdrivers the sizes in this manual refer to the screwdriver size Universal digital voltmeter range 200mV to 250V Cleaning Materials Can of compressed air Lens tissue Lens cleaner dil...

Page 18: ...a clean surface Reassembly Reassemble in reverse order to removal Check Once reassembled check that the screws have been tightened and that the Housing is clean 7 2 Optical Unit 1802669 Removal Remove...

Page 19: ...lot in the Z shaft Be careful not to damage any wires Place the unit on a flat dust free surface Reassembly Reassemble in reverse order to removal Check Are all cables connected Are the four nuts hold...

Page 20: ...ough the slot in the Z shaft 7 4 Fixation Target 1802206 7 4 1 Fixation Board 1802207 NOTE If the Fixation board is defective there is no need to replace the entire Fixation target one can simply remo...

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