Service Manual
Contents
1. Keeler Vantage Digital Indirect Ophthalmoscope Service Manual ALWAYS READ THE INSTRUCTIONS A HALMA GROUP COMPANY Keeler Limited Clewer Hill Road Windsor Berks United Kingdom SL4 4AA Tel No 44 0 1 753 857177Fax No 44 0 1 753 830247 Issue A 15 12 2008 2415 P 7024 Keeler Vantage Digital Service Manual 2415 P 7024 CONTENTS Introduction 1 Service Principles 1 Tools Required 2 Precautions 3 Disassembly 4 Remove the Front Moulding complete with Camera etc 4 Remove Mirror Mount Assy 6 Replace Semi Reflective Mirror Assy 7 Replace the Mirror Mount Assy 7 Replace the Camera Assy 7 Remove the Optics Head from the Browbar 8 Remove the Viewing Assy and Illumination Assy 9 Remove the Viewing Assy and Illumination Assy 10 Reassembly 12 Refit Illumination Assy and Viewing Assy 12 Refit to Browbar 15 Camera Set Up 17 Target 18 Spare Parts 19 Spare Parts List 20 Issue A 15 12 2008 Vantage Digital Service Manual Keeler 2415 P 7024 Introduction This manual covers servicing of Vantage Digital version of the Vantage Indirect Ophthalmoscope Whilst many of the parts are common with the Vantage this manual should be used for all repairs and adjustments to Vantage Digital Service Principles The Vantage Digital comprises a number of modules which have been built and aligned in the factory These modules can not be reliably aligned without the special jigs and should not therefore be d2. LARE NN lt oe AN Issue A 15 12 2008 Page 22 Vantage Digital Service Manual Keeler 2415 P 7024 Issue A 15 12 2008 Page 23 Vantage Digital Service Manual Keeler 2415 P 7024 i ass Issue A 15 12 2008 Page 24 Vantage Digital Service Manual Keeler 2415 P 7024 Issue A 15 12 2008 Page 25 Vantage Digital Service Manual Keeler 2415 P 7024 Issue A 15 12 2008 Page 26
3. 05121 EP39 53991 EP39 24664 EP79 09808 EP39 70209 EP39 70245 EP39 24656 1202 P 5808 1205 P 5006 EP39 70215 EP39 70332 1205 P 5007 Issue A 15 12 2008 Vantage Digital Service Manual 2415 P 7024 Description Grommet ki 2D Eye Lens Eyepiece Cap Light Shield Control Knob Knob Body Dimmer Control Body Serial No Label Metalised Label Plug u M2 x 8 Csk PT Screw Browbar Spindle Knob A Rear Cover Moulding P D Slider No2 x 3 8 PT Screw P D Washer Eyepiece Lockring Hinge Clamp Blue Indicator Pin Centre Spindle Hinge Spacer Hinge Pin Viewing Optics Vantage LED Illumination Optics Spindle Bulb Aperture Plug Vantage Plus LED Dimmer PCS Assy Page 20 Keeler Item 30 31 32 33 42 43 45 46 47 48 49 52 Part No SP13 00106 1202 P 7483 1202 P 7475 SP72 55043 EP39 40736 1202 P 7467 1202 P 7459 SP12 00033 SP72 00004 EP39 40648 EP39 40621 EP39 40509 1202 P 7440 Issue A 15 12 2008 Vantage Digital Service Manual Description M3 x 4 Grub Screw Front Cover Assy Camera Assy inc USB PCB M2 5 x 6 Pozi Pan Hd PT Screw Cover Mirror Mount Assy Semi reflective Mirror Assy M2 X 2 Bik Sit Grub Cup Screw M2 0 x 8 Pozi Pan Hd PT Screw Shaft Cam Label Vantage Plus Digital Fixing Kit 2415 P 7024 Page 21 Vantage Digital Service Manual Keeler 2415 P 7024 CAR EEE 7 yoy ye lt l Je MW va Tiss Esas I E A ST Ta a
4. ally centred If it is not centred adjust the 2 screws shown below one at a time until it is centred Adjust Mirror Alignment 2 screws Put the unit on your head and adjust the headband etc to verify that the camera has the same view as the user Check that the image on the screen is sharp with the front vertical face of the Viewing Optics is between approx 325mm and 375mm from the Target Issue A 15 12 2008 Page 17 Vantage Digital Service Manua Keeler 2415 P 7024 Target 120 130 Keeler Ophthalmic Instruments ssue A 15 12 2008 Page 1 Vantage Digital Service Manual Keeler 2415 P 7024 Spare Parts Parts not listed are only available as part of an assembly and are not generally available as spares as they require jigs etc for setting up Parts marked with are only available as part of a spares kit 1202 P 7440 Current prices for spare parts are available from Technical Service Technical Service Keeler Ltd Clewer Hill Road Windsor Berks SL4 4AA Phone 44 0 1753 827110 Fax 44 0 1753 827114 Issue A 15 12 2008 Page 19 Keeler Spare Parts List Item 1 O OO N Oo oO W N N MO N N N NON D N NN F a 2 2 r O O N OO oO O WB N O O O N O OA WO O Part No EP79 11000 EP39 53721 EP39 53641 EP39 70189 EP39 70197 EP79 09795 EP39 70178 EP39 70126 EP39 70174 EP79 09621 SP72 00001 EP29 59777 EP39 70191 EP19 70005 EP39 70190 SP70 25117 EP39
5. ble from the Illumination Assy 26 up through the Rear Cover Moulding 15 ensuring that the cable is not twisted Align the Browbar Mount with the slots on the Rear Cover Moulding 15 and carefully locate the Rear Cover Moulding over the Viewing and Illumination Assemblies Refer to figure 5 Place 2 off P D Slider 16 over the Eyepieces Carefully fit 2 off Eyepiece Locking Ring 19 using TD351 Lock Ring Key Fit 2 off 2D Eye Lens 2 into the Eyepieces Secure these in place with 2 off Eye Cap 3 10 Turn the unit over onto the Browbar Mount 11 Operate the Graticule Wheel and ensure that the Mirror Block on the Viewing Assy moves to and fro If not return to 3 above removing the items fitted to the Eyepieces first Refer to figure 6 12 Fit 2 off M2 x 8 Csk PT Screws 11 to retain the Viewing Assy 13 Fit 4 off M2 x 8 Csk PT Screws 11 to retain the Illumination Assy Issue A 15 12 2008 Page 13 Vantage Digital Service Manual Keeler 2415 P 7024 Refer to figure 1 14 Refit the Mirror Spindle 27 under the Mirror ensuring that the cam is to the right of the Mirror and that it engages in the Rear Cover Moulding 15 Rotate the Mirror Spindle to lift the Mirror to its Highest point 16 Carefully fit the Light Shield 4 over the 2 pins in the Viewing Assy ensuring that it fits under the Mirror 17 Carefully blow out any dust in the unit 18 Offer the Front Cover Assy over the main assembly ensuring tha
6. emoving the whole Optics Assy from the Browbar Remove the Front Moulding complete with Camera etc 1 Remove 2 off Mirror Spindle Knob 14 by gently pulling 2 Carefully lift 2 off Control Knob Label 9 with the point of a sharp blade They are self adhesive 3 Remove 2 off M2 x 8 Csk PT Screws 11 from the centre of the 2 Control Knobs 4 Remove the 2 Control Knobs 5 mrk ee cw w L E ti kwa i AN LES FLY Figure 1 Issue A 15 12 2008 Page 4 Keeler Vantage Digital Service Manual 2415 P 7024 5 Turn the Optics Head over and slide the Eyepieces to the middle to reveal 2 off M2 x 8 Csk PT Screws Figure 2 11 Remove these screws 6 Remove 2 off M2 x 8 Csk PT Screws Figure 2 11 from the top of the unit above the Browbar Mount 7 Lift the Front Cover off by carefully prising the sides by the filter controls apart to allow the cover to slide over the filter controls 8 Carefully remove the Light Shield Figure 1 4 9 Remove the Mirror Spindle Figure 1 27 Issue A 15 12 2008 Page 5 Keeler Vantage Digital Service Manual 2415 P 7024 Note that any further dismantling of the Front Moulding unit will necessitate setting up of either the Camera or Mirror or both Figure 3 Remove Mirror Mount Assy Refer to figure 3 1 Carefully insert a flat bladed screwdriver between the Mirror Mount Assy 43 and the Front Moulding Assy 31 at the pivot point s
7. isassembled further than described in this manual There is a strong possibility of the unit developing diplopia or hyperphoria if the Viewing Optics are disassembled or adjusted Where a sub assembly is quoted it cannot normally be reliably repaired without special tools adhesive and or jigs Issue A 15 12 2008 Page 1 Keeler Vantage Digital Service Manual 2415 P 7024 Tools Required Most of the tools required will be in standard electro mechanical toolkit The following special tools will make assembly and disassembly easier TD351 Lock Ring Key for Eyepieces A Computer with the Vantage Digital software loaded is required to check and set up the camera Please see Vantage Digital Software Setup and Quick Start Guide EP59 09871 for details Issue A 15 12 2008 Page 2 Vantage Digital Service Manual Keeler 2415 P 7024 Precautions Care should be taken to carry out any repair work on a clean soft surface to minimise damage to the outside of the unit Solvents should not be used for cleaning Observe Anti Static precautions when handling the camera components Issue A 15 12 2008 Page 3 Vantage Digital Service Manual Keeler 2415 P 7024 Disassembly Repairs to the Digital part of the Vantage Digital can be carried out whilst the Unit is still attached to the Browbar However virtually all repairs inside the head involve removing both the Viewing Optics Assy and the Illumination Assy from the Rear Cover This involves r
8. ng the Dimmer Block to the Browbar Carefully unsolder the 2 wires from the PCB 29 It may be easier to remove the PCB Assy from the Dimmer Housing 7 4 1 Slide the Blue Indicator Pin 21 out of the Control Knob 6 4 2 Slacken the Allen Screw 30 holding the Knob to the Dimmer Control and remove the Knob 4 3 Undo the Nut on the Dimmer Control 4 4 Remove the Dimmer PCB Assy Note that these wires will need to be re soldered after the repair is 9 6 completed and there is insufficient spare length to strip the wires again Undo the Hinge Clamp from the Hinge Pin and remove the Hinge Pin taking care not to lose the Spacer or the 2 washers under the Hinge Clamp The Optics Head can now be separated from the Browbar Issue A 15 12 2008 Page 8 Vantage Digital Service Manual Keeler 2415 P 7024 Figure 4 Issue A 15 12 2008 Page 9 Vantage Digital Service Manual Keeler 2415 P 7024 Remove the Viewing Assy and Illumination Assy Refer to figure 5 1 Unscrew 2 off Eye Cap 3 being careful not to lose the 2D Eye Lenses 2 2 Unscrew 2 off Eyepiece Lock Ring 19 using TD351 Lock Ring Key 3 Remove 2 off P D Slider 16 4 Turn the unit over Issue A 15 12 2008 Page 10 Vantage Digital Service Manual Keeler 2415 P 7024 Refer to figure 6 5 The Viewing Assy 25 and Illumination Assy 26 are joined by the Centre Spindle 22 and must be removed together Remove 2 off M2 x 8 Csk PT Scre
9. o that the Mirror Mount Assy 43 can be sprung over the pivot allowing the Mirror Mount to be removed Take care that the 2 Springs attached to the Mirror Mount Assy 43 are not dislodged Issue A 15 12 2008 Page 6 Vantage Digital Service Manual Keeler 2415 P 7024 Replace Semi Reflective Mirror Assy Refer to figure 3 1 Remove 2 off Spindle Knob 14 2 Slacken the Grub Screw 46 on the Cam 49 3 4 Slacken 2 off M2 x 8 Pan Hd Screw 47 until the end of the screws are Withdraw the Shaft 48 from both the Cam 49 and the Mirror Mount 43 flush with the Web they are mounted in The Semi Reflective Mirror Assy 45 may now be withdrawn from the Mirror Mount Assy 43 The replacement Semi Reflective Mirror Assy 45 may now be fitted taking care not to dislodge 4 off Springs fitted to the Mirror Frame Screw 2 off M2 x 8 Pan Hd Screw 47 until there is a gap of approx 2 mm between the Mirror Frame and the Web the screws are mounted in Final adjustment is covered under setting up later in this manual Replace the Mirror Mount Assy Refer to figure 3 1 Carefully fit the Shaft 48 through the bosses on the Mirror Mount Assy 43 with the Cam 49 in the centre Replace 2 off Spindle Knob 14 ensuring that the D shaped hole in the Knob 14 is aligned with the flat on the Shaft 48 Locate the Cam 49 so that the Grub Screw 46 is over the flat on the Shaft 48 and tighten the Grub Screw 46 The Mirr
10. or Mount Assy can now be replaced on the Front Cover Assy by slipping one of the holes on the Mirror Mount Assy over one of the spigots on the Front Cover Assy whilst ensuring that the Springs are located on the spigots on the Front Cover Assy and then clicking the other side of the Mirror Mount Assy over the other spigot Replace the Camera Assy Refer to figure 3 1 Carefully lift the self adhesive Vantage Plus Digital label 52 by inserting a blade under the label and lifting it taking care not to damage the label Remove 1 off M2 5 x 6 Pan Head Screw 33 holding the Cover 42 to the Front Cover Assy 31 3 Lift of the Cover 42 to reveal the Camera Assy 4 Carefully unplug the miniature connector from the USB PCB on the Camera Assy PCB Remove 3 off M2 5 x 6 Pan Head Screw 33 holding the Camera Assy 32 to the Front Cover Assy 31 Issue A 15 12 2008 Page 7 Vantage Digital Service Manual Keeler 2415 P 7024 Fit the replacement Camera Assy 32 to the Font Cover Assy 31 using 3 off M2 5 x 6 Pan Head Screw 33 Adjust the position of the Camera so that the Lens Assy sits in the middle of the semi circular cut out Re connect the miniature connector from the USB PCB to the Camera PCB Remove the Optics Head from the Browbar Refer to figure 4 1 2 3 Unplug the power supply from the Dimmer Block Remove the Browbar from the Headband by undoing the knobs Remove 3 off No2 x 28 PT screws 17 holdi
11. rity of the wires when reconnecting the LED version see below Incorrect connection may result in damage to the LED Black outer sleeve with polarity identification to LI to Black outer sleeve without polarity identification to L2 6 Fit the Dimmer PCB to the Dimmer Control Body 7 and tighten the nut 7 Fit the Dimmer Knob 6 onto the shaft ensuring that the grub screw 30 is positioned over the flat on the shaft Tighten the grub screw 8 Lay the cable along the recess in the Dimmer Body 7 and hook the body into the Browbar Fit 3 off No2 x PT Screws 17 Issue A 15 12 2008 Page 16 Vantage Digital Service Manual Keeler 2415 P 7024 Camera Set Up Please see the Software Set up 8 Quick Start Guide EP59 09871 for details of the software set up This Service Manual assumes that the computer being used has been correctly set up Spare Camera Assemblies have been set up in the factory and it should not be necessary to alter any of the firmware settings 1 Connect the unit to a PC with the Vantage Digital software loaded and running set the Graticule to show the small white light patch 3 Aim the unit at the Target found later in this manual with the unit approx 350mm from the Target Adjust the main Mirror so that the light patch can be seen on the PC screen It may also be necessary to adjust the Semi reflective Mirror vertically to achieve this 5 The light patch should appear horizont
12. t the Light Shield 4 fits into the slots behind the window and under the Mirror It will be necessary to gently spring the Front Cover to clear the Graticule and Filter Wheels 19 Turn the unit over and slide the Eyepieces together 20 Fit 4 off M2 x 8 Csk PT Screws 2 on the Viewing Assy and 2 above the Illumination Assy 21 Fit 2 off Control Knob 5 to the Graticule Filter Wheels using 2 off M2 x 8 Csk PT Screws Hold the Control Knob whilst tightening the screws 22 Fit 2 off self adhesive Control Knob Label 9 to the Control Knobs 23 Fit 2 off Spindle Knob 14 to the Mirror Spindle ensuring that the D shaped hole mates with the D shape on the Spindle 24 Fit the Camera Cover using 1 off M2 5 x 6 Screw 33 Issue A 15 12 2008 Page 14 Keeler Vantage Digital Service Manual 2415 P 7024 Refit to Browbar 1 Note the positions of the Washers 2 Thread the cable through the grommet in the Browbar Figure 7 3 The cable must be a total of 135mm long including the stripped ends from the Grommet in the Browbar If a new cable has been fitted 3 1 Trim the cable to 135mm from the grommet 3 2 Separate the 2 wires for 15mm from the free end 3 3 Strip the covering from the wires for 3mm and tin 4 Feed the cable through the square slot in the Browbar Issue A 15 12 2008 Page 15 Vantage Digital Service Manual Keeler 2415 P 7024 5 Solder the wires carefully to the Dimmer PCB 29 Note the pola
13. ws 11 from the Viewing Assy 25 Remove 4 off M2 x 8 Csk PT Screws 11 from the Illumination Assy 26 Carefully lift the 2 assemblies together from the Rear Cover Moulding 15 SE D D The 2 assemblies can now be separated Further disassembly of either the Illumination Assy or the Viewing Assy is not advised as special tools and jigs are required to reassemble and align Figure 6 Issue A 15 12 2008 Page 11 Vantage Digital Service Manual Keeler 2415 P 7024 Reassembly Refit Illumination Assy and Viewing Assy Great care must be taken to avoid any strain on the Eyepiece Mirror Mounts as these have been carefully aligned on the laser jig during manufacture Avoid holding the Viewing Assy by the Mirror Mounts Refer to Figure 6 1 Stand the Viewing Assy on its base 2 Locate the Centre Spindle 22 in the base of the Viewing Assy 25 so that the peg on the moving Centre Mirror Assy engages with the slot on the Centre Spindle 3 Locate the Illumination Assy 26 onto the top end of the Centre Spindle so that it engages with the Graticule Carrier It will be necessary to rotate the Graticule Wheel to the smallest aperture so that the link is sticking out Issue A 15 12 2008 Page 12 Keeler Vantage Digital Service Manual 2415 P 7024 Lay the Viewing and Illumination Assemblies together as shown below ensuring that the Centre Spindle remains engaged at both ends D 9 Carefully thread the ca
Download Pdf Manuals
Related Search