Olympus X-Tr Repair Manual Download | Manualshive

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Summary of Contents for X-Tr

Page 1: ...OLYMPUS TRINOCULAR STEREO MICROSCOPE LX Tr REPAIR MANUAL o LYMPU S ...

Page 2: ...ecks and repairs of these models should be carried out in the following orders 1 Porro prisms 2 Parfocality of drum lenses 3 Total deviation of drum lenses 4 Optical axes of left and right fields of view Each of these 4 items can be checked and repaired individually However if you observe a double image through the binocular observation tube for instance the optical axes of the left and right fiel...

Page 3: ...nt of Left Diopter 15 7 Centration and Focusing of Drum Lenses in the Left Field of View 16 8 Attachment of Dust Glass 17 9 Coincidence of Right and Left Optical Axes 17 10 Mounting of PM 6 18 11 Focusing of Phototube Objectives 18 12 Centration of Drum Lenses for Phototube 19 13 Coincidence of Optical Axes through Phototube and Binocular Tube 19 14 Mounting of Dust Glass and Covers 20 C PRACTICAL...

Page 4: ...Fig 1 0 AA 0738 1 3 Z S AA 6207 z S AA 4866 ...

Page 5: ... nut AA0008 are disengaged 1 5 Pull out pinion from bearing As you pull out focusing knob AA0006 in the axial direction pinion can be pulled out 1 6 Unscrew two CMK4x20SA and pull out block AA4869 from main body 2 Disassembly of Main Body and Lens Drum 2 1 Unscrew four CMK3xl0SA and pull out fixing guide AA4947 2 2 Unscrew two SK1 4 21 and remove cover plate AA4948 2 3 Remove three glass discs LP0...

Page 6: ...2 6 AA 4863 HK2X4SA_ 3 1 AA 4956 Fig 2 ...

Page 7: ...g NU2 6x5SA and NU2 6x8SA remove retaining frame AA4876 When this frame was shellaced immerse it with alcohol for a few minutes prior to removal then loosen it Objective frame AA4955 can be removed r J lt ruuv mg t wo screws Hl Lx4BB 4 Disassembly of Prism Mount 4 1 Unscrew four HK2 6xl2SA and remove prism mount AA4949 and plate AA4953 4 2 Unscrew four 3PUK1 7x3SA and remove two P holders AA4871 4...

Page 8: ... S ltJ AA 4968 S O AA 4886 5 9 AA 4962 AA 6203 5 13 0 AA 0722 5 AA 4906 Cli 8 AA 4892 5 15 HK1 7 X 4Sj 5_ 3 SK1 7X4SA AA 12871 AA 4078 ...

Page 9: ...r sleeve AA4964 and above 5 7 Unscrew two PQK1 7x3 5SA and remove cover AA4963 5 8 Unscrew two HK2 242SA and remove F frante AA4966 5 9 Unscrew four HK2 242SA and remove dovetail AA4962 5 10 Unscrew four HK2 342SA and remove washer AA4886 5 11 Unscrew four HK3x4 5SA and remove holding block AA4960 5 12 Unscrew nut AA4145 by rotating it counter clockwise with round tip divider 5 13 Unscrew two HK A...

Page 10: ... Working Steps 2 1 Remove right and left eyepiece tubes 2 2 Remove covers AA4902 and AA4903 2 3 Mount right and left eyepiece tubes 2 4 Mount main body on stand and place test plate 5 100 concentric circles on stage Set test plate in position with stage clips 2 5 Insert eyepiece with cross hairs GlOX into right eyepiece tube 2 6 Set drum lens 40X into position and bring concentric circles into foc...

Page 11: ...cide locus center and center of concentric circles Move test plate d After determination of locus center rotate three screws NU2 6x6SA to move prism and prism mount AA4894 together until centers of cross hairs and concentric circles are coincided e Repeat steps above until centration is complete 11len clamp screws Allowance of centeringdeviation 0 2 on image plane f Follow steps above with left po...

Page 12: ...X and downward south direction at 6 3X in conjuction with 16X drum lens loosen screw that affixes click spring and move click spring closer to you slightly until images at 40X and 6 3X are almost equidis tant from center 16X b In case that 40X image is downward and 6 3X upward reverse click spring until these images are almost equidistant from center 16X 10 2 8 e Take care that when eyepiece tubes...

Page 13: ...m lens 6 3X move prism P2 forward until focuses of 40X and 6 3X are in the same direction and equidistant 4 3 Coincide focus of 40X and 6 3X to that of 16X a If focus of 6 3X is above that of focusing telescope should be matched for focusing with this eyepiece If microscope main body has to be moved upward with focusing knobs to obtain correct focus this state is called focus is above on the contr...

Page 14: ... spring located beneath drum lens for focus adjustment 4 3 a 0 J Focus 40X 6 3X Drum lens 40X 16X 4 3 b G 0 Focus r t _ __ 40X 6 3X 4 4 Drum lens 25X can be moved up and down by aid of spring beneath drum lens for focus adjustment 4 4 a O Drum lens 25X 4 4 b 6 0 Focus 25X 16X lOX Focus I 16X 25X lOX 5 Centration of Drum Lenses in the Right Field of View 5 l Set drum lens 16X into position insert e...

Page 15: ... positions at 40X and 6 3X Coincide optical axes of 40X and 6 3X to that of 16X by movement of 40X drum lens and B lens Image movement by adjustment of drum lens b 1 Image movement by adjustment of drum lens 40X Move lens frame of 40X drum lens by prying it with screwdriver tip in a range as screw clearance allows b 2 North south movement of optical axis b 3 East west movement of optical axis 13 5...

Page 16: ... be moved by rotation of three setscrews b 5 North south movement of optical axis b 6 East west movement of optical axis 14 b 2 X 40 J6x 3 1l l 3X 0 X 4PX b 3 3 16 40x X b 5 If 4D liJ x t 3x b 6 I i c 40x i t bx 6 3 6 3 J6 t x40 6 3 I J tt 4 1 t 3X 4lJx 6 l 6 3l ...

Page 17: ...l adjustment is complete Ascertain coincidence of optical axes of 40X 25X 16X lOX and 6 3X 6 Adjustment of Left Diopter 6 1 Insert eyepiece GlOX into right eye piece tube bring drum lens 16X into path and focus on specimen by use of focusing telescope 6 2 Coincide focus of left drum lens 16X to that of right 16X a When focus is deviated to the side or eyepiece tube is length ened move prism P2 bac...

Page 18: ...X to that of drum lens 16X 7 4 Bring drum lens 16X to light path insert eyepiece with cross hairs GlOX into left eyepiece tube and coincide centers of concentric circles and cross hairs 7 5 Coincide image of specimen at 40X and 6 3X to image at 16X 7 6 Coincide images at 25X and lOX to that at 16X 7 7 Repeat steps 7 3 7 5 and 7 6 until adjustment is complete 16 7 2 Move drum len s 40X up and down ...

Page 19: ...corrected by adjustment of B lens 9 Coincidence of Reight and Left Optical Axes 9 1 Check difference between right and left 9 1 optical axes in both fields of view in conjunction with drum lens 40X and eye piece with cross hairs GlOX in position 9 2 Eliminate this difference by equally moving right and left objectives Difference allowance 0 2 on image plane 17 Ex Left field Left field Left obj Rig...

Page 20: ...eeve along phototube until concentric circles are focused 11 3 Check distance from focus of 40X and 6 3X to that of 16X and adjust photo tube objective into position for correct focusing 11 4 Move drum lens 40X up and down until focus of 40X and 6 3X is coincided with that of 16X 11 5 Move drum lens 25X up and down until focus of 25X and lOX is coincided with that of 16X 11 6 Repeat steps 11 3 4 a...

Page 21: ...um lens 25X by prying lens frame with screw driver s tip in the same manner as above 13 Coincidence of Optical Axes through Phototube and Observation Tube 13 1 Bring drum lens 40X into light path insert eyepiece with cross hairs GlOX into one of eyepiece tubes and coincide centers of concentric circles and cross hairs 13 2 Move phototube objective by prying objective frame with screwdriver s tip i...

Page 22: ...14 Mounting of Dust Glass Covers etc 14 1 Attach dust glass into phototube and shellac it at three spots 14 2 Attach cover plate AA4948 14 3 Attaclt cover AA4963 and Ob cover AA4956 20 ...

Page 23: ...pinion Clean abrasive surfaces of block and dovetail Scrape defective surfaces with scraper to eliminate burrs or unevenness of surfaces 5 To test surface evenness slowly insert dovetail into block If you feel unevenness apply a small amount of abrasive for lapping 6 Wipe lapped surface clean apply EP grease and assemble block and dovetail Repeat sliding of dovetail in block several times until gr...

Page 24: ...ovetail to such a degree that dovetail and block should be a little tight when assembled Dovetail Metal mount 5 times If dovetail is filed excessively slightly loosen screws that fasten dovetail to metal mount and lap dovetail while fastening screws gradually 6 When entire surfaces are lapped correctly which means that its movement is not too heavy nor too light you have to stop lapping and clean ...

Page 25: ...screw left focusing knob and pull out pinion from metal part Disengage right focusing knob and pinion a Rotate nut counter clockwise with pin face screwdriver b Pull out pinion from focusing knob Pinion should be driven out by hitting it with hammer at which it is necessary to apply a wooden stick between hammer and pinion as shown in figure GWooden stick Pinion 5 Insert replacement pinion into ri...

Page 26: ...gh left knob is tightly clamped focusing knobs rotate lightly or they chatter in axial direction this is because that taper is too sharp Left Right b Slightly ream left knob with reamer until knobs can be properly clamped To clamp knobs properly a Hold both knobs in your hands and when they are slightly clamped knobs have no chatter in axial direction but rotate smoothly This is because left knob ...

Page 27: ...agement is loose and chatter In accordance with their chattering degree insert tin foils in a range of thickness from O Olmm to 0 05mm between rack and dovetail until they stop chattering b When their engagement is too tight Slightly lap back surface of rack with emery cloth to abate tightness of their engagement but not to allow any chatter Emery cloth should be placed on a flat surface upon whic...

Page 28: ... of instantaneous adhesive into recess of knob place new bush on which a drive stick is placed see figure right Hammer it to drive bush into position 5 Screw left knob onto pinion shaft and check heaviness in its rotation S Heavy Rotation of Helicoid Ring Grease 1 Remove helicoid unit from coagulated porro prism housing on helicoid 2 Remove setscrews from ring scale ring 3 Unscrew scale ring from ...

Page 29: ... A to ring B 5 Clean off grease deposited on rings 6 Apply new grease EP grease to threads 7 Aligning positioning marks on rings A and B screw them and rotate them repeatedly until grease is spread all over the threads 8 Attach scale ring 9 Attach setscrews 10 Confirm position of helicoid ring Minimum eyepiece tube length Setscrew is aligned to index line Middle length 0 is aligned to index line 2...

Page 30: ...ons Distortion is caused by right or left prism B lens objectives or dust glasses b When image is distorted only at 40X and 6 3X magnifications One of 40X and 6 3X drum lens is defective c When image is distorted only at 25X and lOX magnifications One of 25X and lOX drum lens is defective 4 In case of b or c Replace lenses one by one until defective one is found 5 In case of a Until defective lens...

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