Kodak Medalist II, How To Service

Page 1: ...S M No 1 2370 HOW TO SERVICE EASTMAN KODAK COMPANY ROCHESTER 4 N Y ...

Page 2: ... 19 Replacement of Shutter 19 Parts on Mechanism Plate 19 Range Finder Plate 20 Range Finder Actuating Lever Link 21 Counter Dial Assembly and Safety Control Stop Pawl 2 1 Counter Dial Housing Complete 21 Trigger Button Housing Complete 21 Direct View Finder Cover 21 Depth of Focus Scale 22 Focusing the Lens 22 CORRECTIVE MAINTENANCE Trouble Cause and Remedy Chart 23 The sequence given in the sect...

Page 3: ...ank For various screws For removing the front lens and mount from the shutter For focusing For use in protecting the shut terand lens when they are re moved from the camera For removing and replacing the terminal nut on the flash terminal assembly SHUTTER If the repairs to be made involve only the shut ter the shutter complete figure 9 can be removed from the camera without disassembling the camer...

Page 4: ...der cover being care ful to lift it straight up KEY KNOB SCREW o SPRING a SPACING KEY COMPLETE Figure 4 PLATE SCREW HOUSING SCREW TRIGGER BUTTON Fi re 3 CAUTION If the cover is pulled off at an angle it will strike the parallaxframe assembly and may bend it out of adjust ment Do not remove the focusing dial unless neces sary However if the focusing dial must be removed proceed as follows Unhook th...

Page 5: ...s CAM STOP PAWL Remove the key post spring washer Note that this washer is placed on the key post with the con cave side upward Some cameras also have a flat key post spacing washer This is to prevent the key knob from wobbling as it is turned COUNTER DIAL ASSEMBLY AND SAFETY CON TROL STOP PAWL See figure 5 The range finder plate can be removed from the camera with the counter dial assembly and th...

Page 6: ...range finder cam assembly counterclock wise until the first tooth of the gear on the cam is 4 COUPLER ARM opposite the end of the cam follower assembly This will allow the range finder actuating lever assembly figure 1 to pass through the hole in the mechanism plate assembly figure 7 Lift off the range finder pIate together with the range finder optics The shutter setting lever pin and lever assem...

Page 7: ...g by turn ing it the rest of the way with a jeweler s screw driver Then carefully draw the shutter out of the focusing tube at the same time guide the contact wire through the holes in the focusing tube guide assembly and shutter light guard The wire should be pushed through the holes at the same time the shutter is being pulled out of the focusing barrel The shutter retaining ring will remain on ...

Page 8: ... a block of fiber or soft wood against the end of the mechanism plate near the key post bushing and tap the block gently until the seal is broke loose GUIDE LUG ASSEMBL Figure 10 DISK 6 CAUTION Do not place the block against the key post bushing or the bushing may be forced out of position Repeat the procedure at the other end of the mechanism plate to break the seal completely Then work the mecha...

Page 9: ...DRIVING SHAFT ROLLER CASE SPACER SPOOL HOUSING SPOOL TENSION _ COUPLET BAR _ SPRING SHAFT Figure 11 7 ...

Page 10: ...ller together with the film roller pin and the film roller pin spring Remove the spring by drawing out the film roller pin from the end of the film roller Remove the four hinge grip guide retaining screws two at each end of the back and lift off the two hinge grip guides With a pair of pliers pull out the four hinge grips being careful to pull them straight out with a firm steady tension CAUTION I...

Page 11: ...ear around and locks it against the shutter s et STOP LEVER SPRING ting gear stop lever which is pulled toward the shut ter setting gear by the shutter setting stop lever spring The locking is done by means of the stud which projects downward from the shutter setting gear and the projecting lug on the shutter setting gear stop lever The cutout portion of the shutter s etting gear is still next to ...

Page 12: ...RTH STEP When the trigger button is pushed down the lower end bears against the trigger bell crank underneath the mechanism plate As the lower end of the bell crankis forced downward the stud on the upper end of the bell crank forces the trigger plate figure 1 to the left and downward releasing the shutter The trigger plate bears against the right shutter operat ing lever lug assembly which in tur...

Page 13: ...CUSING DIAL Replace the range finder plate assembly on the CAM ASSEMBLY OWER SCREW BRACKET Figure 14 camera and secure it in place with the two holding screws Turn the focusing tube assembly all the way in Place a protective covering over the erect ing and coincidence prism assembly figure14 To provide clearance for the additional parts to be added to the range finder cam assembly mill down the to...

Page 14: ...plate screws and replace and tighten the long range finder plate screw Attach one end of the cam return spring figure 17 to the left front post of the objective lens mount assembly with the cam spring screw and the other end to the lip on the cam assembly Replace the right objective lens mount assembly and secure it in place by tighteni 1g the two objec tive lens mount nuts with tool No 501 D Remo...

Page 15: ...the range finder on infinity by looking at an object at least 200 feet away Then replace the focusing dial on the pinion with the infinity indica tion facing toward the front of the camera Secure the dial in position with the holding screw Set the direct view finder cover on the range finder plate and fasten it with the four retaining screws To adjust the focus of the lens refer to page 22 CAMERA ...

Page 16: ...agraph on adjusting When synchronization is perfect at the infinity position extend the focusing tUbe assembly to the 14 limit of travel and again check synchronization If the shutter is now released later than the winding mechanism the trigger plate does not extend as far to the left at the front as it does at the back To correct this trouble use special tool No 501 1 to grasp the trigger plate w...

Page 17: ... operating lever and end assembly is not moving far enough to the left to cock the shutter completely loosen the lower operating lever lug screw and the slide lug screw which hold the left shutter operating lever lug Move the lug a little farther to the left and tighten the screws The lug should be adjusted so that the shut ter is setting slightly ahead of the winding mech anism After checking the...

Page 18: ...dow may be due to bending of the range finder reflection guard figure 6 so that it is cutting into the beam of light If the reflection guard has not been bent make sure that the range finder re flection guard screw is tight and is not allowing the guard to slip out of position in any direction In this case tighten the screw and shellac the head to prevent it from working loose again If no obstruct...

Page 19: ...jective lens mount assembly or raise the left hand objective lens mount assembly by gently prying it up with the blade of a screwdriver When the adjustment is correct shel lac the nuts in place If any adjustment is to be made to the right hand objective lens mountassem bly the focusing dial must be removed NOTE Neither of the two objective lens mount assemblies should be raised or lowered to the e...

Page 20: ...crew is inserted through the right hand spool bracket and secured The bottom plate washer is put in position over the hole in the center of the 18 case and fastened with the remaining bottom plate screw With the blade of a small screwdriver scrape out the channels in the bottom of the case where the bottom edges of the spool housings are to fit Apply black wood lacquer dope to the channels NOTE Th...

Page 21: ... cause faulty operation of the shutter Replace the shutter complete in the focusing tube guiding the end of the wire through the open ing in the shutter light guard at the sametime guid ing the end of the shutter operating lever and end assembl through the hole in the shutter operating disk figure 10 Seat the shutter firmly with the caDre release nut in the cutout slot in the focusing tube With a ...

Page 22: ...ete must 20 face toward the counter dial assembly To turn it to the proper position follow as far as necessary the cycle of operation of the camera as described on page 8 Insert the shutter setting lever pin and lever as sembly in the slot in the back of the range finder plate with the point faCing toward the left front corner of the camera case Move the lever around until the hole in the lever is...

Page 23: ...ith the clip ped corner toward the right front corner of the range finder plate and fasten it along the back edge with shellac Make sure the hole is centered around the trigger button Slip the trigger button leak light washer over the trigger button Replace the exposure indicator tube in the hole in the range finder plate directly above the red signal Replace the trigger button housing complete an...

Page 24: ...to page 21 Set up the camera on a firm support with the diaphragm control ring retainer exactly 15 feet from a large wall chart or calendar suitable for accurate focusing Remove the camera back and place the ground glass of special tool No 501 V on the back frame of the camera in the position of the film plane The ground side of the glass must be toward the lens and the cutaway corner must be at t...

Page 25: ...r button The shutter is releasing before the winding mechanism camera is out of synchronization The winding mechanism is re leasing before the shutter cam era is out of synchronization REMEDY Set the counter dial on 1 Rack the focus ingtube assembly all the way in Press the trigger button down as far as possible and hold it down while turning the winding key knob until a definite click is heard In...

Page 26: ...ng If necessary remove slowly the housing and clean and smooth the hole The tension on the trigger plate Remove the direct view finder cover assem spring figure 13 is too low bly and trigger button hous ing complete and add tension to the trigger plate spring by removing one loop Care should be taken in this adjustment because if too much tension is added to the spring the trigger plate fig ure 1 ...

Page 27: ...to the mech forced and the prongs on the left anism plate and adjust or replace the safety end of the safety lever assembly lever assembly Refer to page 15 figure 13 are bent If the focusing scale does not If the focusing scale does not read correctly read correctly see page 20 If refer to page 20 If the range finder is out of the range finder is out of adjust adjustment optically refer to page 16...

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