Asahi Pentax Spotmatic Repair manual
Contents
1. s e p 13 ae 05108 a 05121 ad o c eet qu MI ME 6 05142 05001 i ES 5009 s sumo a 1 Bm sd 05040 6 4 Setil4AxX22 05096 o o513 5105 Product 23102 PENTAX SPOTMATIC Fig 5 04014 SetTi 720 FMI 4 2 p gt ge cR A 04016 04010 S C D LU S avi 2 a E qus uel in 7 FMIAxZO Product No 23102 ASAHI PENTAX SPOTMATIC Fig 6 amp 06017 06015 08008 0802 08027 XX 08034 X X N p di 08031 08007 3 0805 08043 2 7 08037 em ger 8 08028 gp 08044 1410 08051 08054 08052 08048 08047 MAR i tite Y 08053 Product No 23102 ASAHI PENTAX SPOTMATIC Fig 7 o2197 OU eee 10019 Mes adn 10008 6 20 Me gt g oo DM lt gt ron 16321 TN 10421 ME ed 10023 02017 TS 0 5024 _ 0010 02052 M LL ee ioo 8 05027 7 10016 05026 fMIZa25 iva 01076 19 A oora P i i i 42 oe 2 9 e lt a N dE cu olo 551222. 02126 1 QE x d h x 4021217 02093 gt 02100 02086 E ius ur 5 i n SEM 12455 02047 eU AW 5 44 E M 02079 O2087 I 02043 NL 79 2013 2 are 02045 9205 i C20 09 2 02089 i SSS osi 1200 E SS 021 12 _ d 02048 M na a 022 1 02012 17 nie 02 Sy 92119 E NT 000 vir 45 m Pe ae _ 0233 920594 7 er zu 02088 gt A FM 17 50 2088 02098 0 02124 ce x 19 02091 2 7 02033 Product No 23102 ASAHI PENTAX SPOTMATIC Fig 2 1 o3071 sem 03002 c ___ win OMBRE 1 0307T L UT me E gt oo as cu 03020 03319 _ y 2 22 03419 Me 7 2 SOOT 03068 770 bs on 03031 6 OS 03069 w p ye ET i oorte A p 18 03006 25 wi lt i n EP 03030 P ies a 03095 Nm NN 9 E 03040 03067 03074 1 nl pers 03008 ad Mr Ree c 3024 D 3 oe fMIT428 is Q 3025 du
3. Product No 2310 ASAHI PENTAX SPOTMATIC Fig 8 9 o BATTERY DISTRIBUTING WIRES Product No 23102 ASAHI PENTAX SPOTMATIC Fig 9
4. at a first push of the button or will be off or on at a second push of the button as the case may be Therefore push the button at least twice In the event the needle does not move even at a second push it is due to the exhaustion of the battery 23102 Page 36 Service Memorandum No 2 Product No 23102 Spotmatic Major Troubles and Causes of Malfunctioning Mirror l Mirror flips up only one third Causes The mirror seat spring 02065 is weak The dia lever joint spring 02119 is too strong The mirror actuator lever top assembly 02018 and or the mirror actuator lever bottom assembly 02019 are short greased or do not function satis factorily because the components are too tightly fixed The 2nd dia lever 02015 is short greased Mirror does not flip up completely Causes The mirror actuator lever 02110 is filed excessively The mirror seat 02009 is bent The mirror shock absorber 02079 is misaligned The mirror seat spring 02065 is too weak Servicing Replace 02065 Adjust or replace 02119 Re assemble either or both assemblies Lubricate 02015 Servicing Replace 02110 Replace 02009 Adjust or replace 02079 Replace 02065 The shutter curtains do not travel at the instant of mirror flipping up Causes The mirror actuator lever 02110 is inadequately filed The mirror seat 02009 is b
5. 03080 and two rapid wind ratchet springs 03084 to the rapid wind lever shaft 03034 in advance Wind the spring 03080 around 03034 and hold it with your fingers If 03084 is left simply hooked on the wind up ratchet 03005 03005 will invariably start turning towards the centre of 03034 To prevent this 03005 must be positioned as illustrated in Diagram 26 Slowly insert 03039 into 03034 and put one end of 03080 onto the strap hook retainer screw 01054 Hold 03034 with your finger to prevent its reverse rotation with the tension of 03080 Insert 03084 into the groove of 03005 03005 automatically engages with the wind up ratchet wheel 03023 with the spring tension When one tip of 03005 is engaged with 03023 the other tip should be between the cogs of 03023 This permits many sectional cockings for film advance and shutter cocking See that the outside of 03080 is slightly in contact with the inside of the body proper when the notch A at the upper part of 03034 is positioned towards the lever stopper 03004 as Diagram 26 illustrated in Diagram 27 03084 03034 23102 Page 19 Install the rapid wind lever 03003 onto 03034 and fasten it with the special tool 231 K C 03 A When 03003 is cocked with one single stroke the part B of 03034 must not hit 03004 however it may hit 03034 in sectional cocking 03083 A T 2d 03004 Diagram 27 B 2 Mirror Housing a P
6. 05083 141 5 Co mae 05036 JA Oe 05058 se 05137 A 05110 amp 5 5004 FMt2x12 JB ES REM 7x35 T S 05031 05082 05 38 gt a 2 gc 05092 d 05032 D T 8 r 1 1 05097 1 a 05099 LAM RS 05033 3 QU 5 ee 4 05 133 1 VAS E PUO Rma 2 05042 2 05034 63 E d m aan 05131 d JU a m SM 7x30 05002 05048 e P uu 05045 d c 03045 T ee 9 00 9 05101 gt 05130 05 apos ET CU 05087 aig 8 05125 atic 051 c M TEC 0 cali A SMLAx2 2 5008 lt A 050 i tFi7x4Q 02099 05022 g 05109 05088 aroe Ley i r iie 05090 05117 1 3 Product No 23102 ASAHI PENTAX SPOTMATIC Fig 4 Lwio 05129 05125 6 5127 o 05135 So dis _ D S p 5128 o 956 05072 05038 iih 069 05060 05102 OE 9 05073 0507 C5066 A 05102 05067 051 16 puit 05076 12 s115 E ort joie iq B E 063 oo 09010 asus i 05070 05039 05107 05037
7. Parts equipped with rotating shafts and or shaft bearings should be thoroughly washed with high quality gasoline or benzine Especially the parts lubricated with L lubricants need careful washing and drying However the pipes containing curtain springs and governor assembly should never be immersed in cleaning liquid for washing purposes Exposed plated and anodized parts should be throughly wiped either with a brush or with a clean piece of cloth When stains are found lightly wipe off the stained parts with a clean piece of cloth soaked with liquid composed of ether and alcohol at the ratio of 60 and 40 Painted parts need only be lightly dusted with a brush Stains on the outer surface of black finished cameras should be wiped either with a silicon cloth similar to the one usually used for wiping glasses and is readily available on the market or with the aforementioned liquid 60 ether and 40 alcohol Wipe them very lightly so as not to erase the engraved white letters For wiping optical elements mixed liquid comprising 7096 ether and 3096 alcohol should be used For this purpose a clean piece of cotton or hemp cloth properly washed beforehand and entirely devoid of starch or a piece of soft paper 1s recommended For wiping plastic parts such as Fresnel and ground glass use mixed liquid composed of 50 ether and 50 alcohol which gives satisfactory results Stained mirror surface should be wiped very lightly with a piec
8. SERVICE MEMORANDUM 1 Ammmeter installation and adjustment SERVICE MEMORANDUM 2 Reflex mirrot problems 23102 Page ON oO 13 18 19 20 23 24 26 27 27 27 28 29 30 30 30 31 32 32 33 35 37 Page INTRODUCTION This Service Manual is prepared for servicing Product No 23102 Asahi Pentax Spotmatic Camera which is an improved model of Product No 231 While no marked basic changes exist between Product No 23102 and Product No 231 changes mostly pertain to the following mechanical structures Sprocket Parts Mechanical Parts on Mirror Housing of Wind Up Shaft Side A Part of Exposure Meter and Other Minor Parts Consequently with the exception of the aforementioned parts this Service Manual will also apply to Product No 231 Classification of Parts Numbers of Product No 23102 Parts Number is composed of five figures Of the five figures the first two denote the mechanical structures which are classified as follows 01 Cover Plates and Back Cover 02 Mirror Housing and Prism Seat 03 Film Winding Mechanism 04 Film Rewinding Mechanism 05 Shutter Mechanism 06 Slow Speed Shutter Mechanism 07 Slow Speed Governor 08 Self Timer Governor 10 Exposure Meter Mechanism 12 Optical Parts 23102 Page 2 Note ASSEMBLY AND ADJUSTMENT Before assembling disassembled parts need a careful washing and or dusting with either a piece of cloth or a blower General rules are summarized below
9. TIME LAG AT X CONTACT From the mechanical construction of this camera the synchro contact piece of the camera cannot be adjusted by viewing its contact condition Therefore necessary adjustment should be made by checking the contact condition with the synchro measuring unit of the shutter speed tester Set the speed at 1 60 sec and adjust by bending the X contact A 05024 with tweezers with the shutter cocked Standard over 0 5 ms Diogram 43 23102 Page 31 b ADJUSTMENT OF TIME LAG AT FP CONTACT Wind the shutter Release the shutter while retaining the tip of the mirror seat 02009 with a finger As the mirror seat has tension to flip up at this point let it move up slowly while retaining it with the finger See to it that the FP contact piece A 02023 hits the FP contact piece B 02024 at the instant the front upper end of the mirror seat 02009 comes to the center height of the hook retainer screw 02091 viz when the upper end of the mirror seat is positioned approx 3 or 4 mm lower than when it has completely flipped up Adjustment in this respect should be made by bending 02024 with tweezers as illustrated in Diagram 33 A shutter speed tester may be also employed for this adjustment 8 Assembly and Adjustment of Self Timer Fasten the eccentric collar 05106 onto the shutter rod 05051 with the eccentric collar retainer screw 05094 Move the synchro cord 02081 leftward as viewed from the body front and fix the
10. changed the groove of 05033 needs adjustment by filing with a fine file File away this part Diagram 13 05033 Place the spill recepctacle plate 05032 on the top intermediate gear 05033 and screw the intermediate gear retainer screw 05092 1 onto the intermediate gear shaft 05048 Pressing down the spill 05030 with the tip of tweezers turn the Ist curtain checker arm 05008 counter clockwise as viewed from the top of the body proper and release the shutter Check if the spiil 05030 reverts itself to its original position when the force on the spill 05030 is slowly eased Cock the shutter again and repeat this to determine if the spill 05030 moves up and down smoothly Tweezer 05092 1 01001 Diagram 14 05008 23102 12 f ASSEMBLY AND ADJUSTMENT OF SELECTOR GEAR MECHANISM 1 Q Assembly of high Speed Lever Parts After cocking the shutter fix the bulb lever 05007 to the bulb lever shaft 05050 If the tip of the bulb lever 05007 hits the selector gear bottom retainer plate 05012 grind the tip of 05007 with a grindstone 05007 tip Diagram 15 Assemble the high speed lever 0 05005 with the bulb lever 05007 and insert them again into 05050 Hook the high speed lever spring 05120 on the indicator seat 05104 and screw the bulb lever nut 05103 onto 05050 Check with the tip of tweezers if both parts 0 05005 amp 05007 move smoothly Ass
11. into the aforementioned sprocket 03057 2 through the bottom of the body proper 01001 and fix the bottom mech plate 03002 onto 01001 Fasten the sprocket 03057 2 from its side with the sprocket retainer screw 03055 2 assuring that the tip of the screw go right into the long slot of 03095 While pushing the sprocket shaft 03054 2 from its bottom rotate 03057 2 with your fingertip to check if it functions smoothly Then push 03054 2 again from its bottom and rotate 03057 2 several times with your finger after which lift your finger to check 1f 03054 2 remains recessed by dint of the functioning of the clutch but satisfactorily reverts itself to its original position once 03057 2 is again rotated Assemble the spool 03009 top take up spool brim 03010 and bottom take up spool brim 03011 in one body and install it in the spool chamber of the body proper 01001 Drop the wind up shaft 03042 into the body proper 01001 through its upper hole and affix the wind up shaft bearing 03043 to the body proper 01001 with small screw SM 1 7 x 3 5 through the top mec plate 03001 With the special tool 231 K C 27 A screw the bottom main gear 03027 clockwise onto the wind up shaft 03042 through the bottom of 01001 When doing so see to it that the wind up shaft 03042 is retained intact with the special tool 231 K C 27 A so that it will not rotate While holding 03027 steadily with the special tool 231 K C 2
12. needle varies each time the camera is turned the ammeter may well be considered faulty 23102 SERVICING 1 Replace the battery 2 Replace the ammeter Off position Page 39 DEFECTS CAUSES 3 The resistance values of CdS cell are inconststent How to check it Test whether or not the needle functioning of the meter is correct with the Light Value Correction Unit Refer to Service Memorandum dated 5 October 1964 under the sublect Adapter for tight Value Correction Unit for Checking Spotmatic Lead wire 23102 SERVICING 3 Replace CdS cells NOTE CdS cells are divided into three types and are wrapped and supplied in envelope marked red blue or white according to the Sensitivity The variable resistor 010008 is also divided into three types according to its characteristics Thus CdS cells and variable resistor marked with the same colour are combined and assembled as a unit Conse quently when replacing CdS cells use the CdS cells in envelope marked with the same colour as that painted on the side of the variable resistor 10008 10008 Painted Also remember that the two CdS cells installed have to be replaced at the same time as it is extremely difficult to determine which one of the CdS cells is defective When installing CdS cells on the prism seat see to it that the shorter lead wire come to the viewfinder sides as illustrated At present lead w
13. shutter curtains and the bottom selector gear 0 05036 should be determined after assembling 0 05036 with the high speed lever 0 05005 by gearing the 2nd curtain pinion 05038 with the bottom selector gear 0 05036 in the wound condition of the shutter curtains as illustrated in Diagram 3 The relative position of the 2nd curtain edge 05023 to the vertical lines of the frame of the picture format of the body proper 01001 should be checked with the special tool 231K A01 E23 A Apply L 1 lubricant on 0 05036 and 0 05062 Note When resetting the shutter curtains to the uncocked position do it slowly 05023 05129 01001 05036 05012 05006 Diagram 3 23102 Page 6 Insert the top selector gear 0 05035 into the selector gear shaft bearing 05043 As illustrated in Diagram 4 engage the top selector gear 0 05035 with the Ist curtain pinion 05038 so that the top selector gear stud 05085 of the top selector gear 05035 makes contact with the bottom selector gear retainer plate A 05012 of the bottom selector gear 0 05036 05035 05036 2 Diagram 4 Overlapping of the 1st and 2nd shutter curtain edges should be adjusted as illustrated in Diagram 5 2nd curtain Ist curtain Diagram 5 within 0 1 mm 23102 Page 7 Assemble the top speed selector retainer 0 05045 and the shaft of 0 05035 with particular attention not to change the relative position of the top selector gear 0 05
14. 035 to 0 05036 and retain it with the selector gear shaft retainer screw 05098 This can be done easily when the shutter is not cocked Diagram 6 Diagram 6 05035 05036 05045 541 05098 Affix the counter dial actuator lever 0 03018 to the countor dial actuator lever shaft 03059 and the top 2nd gear 0 03024 to the top 2nd gear shaft 03041 Set the shutter curtains in the wound condition and affix the stopper 03007 at a position where there is a clearance of approx 0 2 0 3 mm between the stopper and the projected part of the top selector gear retainer plate 05015 and where there is a clearance of approx 0 2 mm between the stopper and the outer periphery of 05015 After fixing 03007 turn the screw Set F 1 7 x 4 on the back of the body proper 01001 until it reaches the side of 03007 Note Do not force the screw set F1 7 X4 Set F 1 7 x 4 against 03007 Bond the screw with red lacquer through the back of the body proper 01001 0 2 0 3 mm Diagram 7 05015 23102 Page 8 d ASSEMBLY AND ADJUSTMENT OF FILM TRANSPORT MECHANISM First put the sprocket collar 03058 and W 30 onto the sprocket 03057 2 using grease G 1 the former at its top and the latter at its bottom Install them in the body proper 01001 Then set LW 13 W 28 clutch ring 03095 speed dial knob retainer screw 05100 and sprocket spring 03089 onto the sprocket shaft 03054 2 Insert this assembled parts
15. 6 A fasten the top main gear 03026 turning it clockwise 225K C 23 A with the special tool 231 K C 23 A Diagram 8 Note Do not under any circumstances turn and fasten the bottom main gear 03027 wi7 32 231K C27 A 23102 Page 9 Slightly rotate the top main gear retainer screw 03044 clockwise with a screwdriver and ease the force of your driver holding hand at which determine if the bottom main gear 03026 will revert itself steadily say by 2 or 3 cogs of the gear As explained in paragraph of the Disassembly section when the wind up shaft parts are replaced adjust the torque of the spool with W 17 washers by carefully comparing it with the torque of the spooi of another Spotrnatic in good working order ASSEMBLY AND ADJUSTMENT OF INTERMEDIATE GEAR PARTS e Note Lubricate the intermediate gear shaft 05048 very slightly If oiled excessively it will invariably result in irregularity of the shutter speed Do not lubricate the top intermediate gear 05033 or the bottom intermediate gear 05034 05033 05034 Diagram 9 Set the shutter curtain in the wound condition with the special tool 231 K E 15 A Turn the top main gear retainer screw 03044 with a screwdriver to position the teeth of the counter actuator dial 03021 as illustrated in Diagram 10 03062 93021 03044 Diagram 10 03021 03094 Paying attention not to move the wind up shaft 03042 assemb
16. A current is applied Red terminal On off switch Mercury battery Knob for adjusting the rated current value 23102 Page 35 2 How to Adjust the 34A Tester The 3uA tester must always function to discharge the rated current from its output terminals Accordingly before using it check it to ensure the output of the rated 3uA current as per the following instruction a First connect the red and black terminals of the 3uA tester with the red and black lead wires respectively as illustrated on the previous page b Then connect the red and black clips of the lead wires to the minus and plus terminals respectively of a circuit tester which is capable of measuring current c Watching the reading of the circuit tester adjust the current of the tester by turning the adjusting knob with a screwdriver until the circuit tester reads If the reading is below the rated turn the knob clockwise if it is above turn the knob counter clockwise d With the foregoing processes the tester now discharges the rated current e When not in use be sure to switch off the tester f Use Mallory RM640 National M N mercury battery or equivalent for the tester the same one used for the SPOT Exposure Meter When the needle does not move when connected with the circuit tester the battery may be considered as exhausted Replace the battery g The switch of the tester will be on or
17. File this part replaced with a new one try to flip up the mirror seat quietly with your finger to check if 02087 will hit against the side of the mirror seat prior to hitting on the hook release stud A 02089 If it hits file away 02087 for adjustment 7 Check and maintain a proper clearance of such parts as the mirror actuator lever top 02018 mirror actuator lever bottom 02019 and actuator lever A Diagram 32 02087 02085 and dia actuator lever B 02086 in the shaft direction with use of washers The dia actuator lever A 02085 should be devoid of curvature as the side of the synchro seat 02026 serves as its stopper 02091 02023 02024 02085 02026 Diagram 33 b INSTALLTION OF MIRROR HOUSING TO BODY PROPER Install the assembled mirror housing onto the body proper 01001 by screwing it with two mirror housing retainer screws 02053 through the upper part of the body proper and with two screws one FM 1 7 x 3 5 and one SM 1 7 x 3 5 through the bottom part of 01001 23102 Page 23 3 Assembly and Adjustment of Coupler Gear Parts Install the coupler pinion 05039 on the 2nd curtain pinion shaft 05062 and fasten it with the coupler pinion screw 05112 with a screwdriver inserted through the cut at the back of the body proper Rotate 05039 to such an extent as to facilitate this fastening while winding the wind up lever Assemble the coupler gear 05031 after cocking the shutter Wh
18. ING PARTS After adjustment of the high and slow speed exposure timing bond the undermentioned parts with red lacquer to prevent possible loosening by vibration etc High speed lever adjust nuts 05111 2 Bounce stopper adjust screw 05109 1 Set screw Set T1 4 x 2 for curtain shaft rest 2 f INCONSISTENCY OF EXPOSURE TIMING If the exposure timing at the same speed setting differs after each shutter release it is referred to as inconsistency of exposure timing Strictly speaking it is extremely difficult to maintain consistently correct exposure timing Major causes for inconsistency may be traced to the following 1 When the top intermediate gear 05033 is oiled or stained 2 When the hole of the high speed cam 05219 or 05319 is dusted or not properly oiled or stained with grease 3 When the 1st and or 2nd curtain pinion shaft 05061 05062 top mec plate 03001 and or shaft receptacle of the bottom shaft rest 05003 are not properly oiled g ADJUSTMENT OF EXPOSURE TIMING AT VARIOUS POSITIONS ON PICTURE FORMAT In a camera with focal plane shutter the slit formed by its shutter curtains travels right in front of the picture format thereby exposing the film successively Therefore it becomes necessary to measure the time of exposure at various positions of the picture format In this camera the above measurement should be made at 1 1000 sec If the travel time of the shutter curtains at 1 1000 sec is con
19. OINTS TO BE BORNE IN MIND WHEN MAKING ADJUSTMENT Assembly of the mirror housing is comparatively easy Consequently only the points that should be borne in mind when fixing and or adjusting the parts are summarized below 1 When bonding the ground glass frame B 02109 to the mirror housing 02002 see to it that it 1s tightly and securely bonded with Pliobond on the shelf of the mirror housing 02002 If incorrectly bonded it may float or drift from the shelf and cause focus error 02002 02107 Diagram 28 Place of bond 23102 Page 20 2 When fixing the mirror seat assembly 0 02009 to the mirror housing 02002 the A part of the hinge cover 02011 as shown in the following diagram should not protrude or sink itself from the back of 02002 namely the B part as illustrated in diagram 29 as the shutter curtains may jam with the A part Adjust 02011 correctly with pliers where required B Port Diagram 29 deerant 3 When replacing the mirror seat assembly 0 02009 with a new one check to see whether the mirror seat 02009 is in a twisted condition when it is down When found twisted adjust to keep it in a proper shape with your finger 4 The mirror seat rest 02043 constitutes a cam It is adjusted to maintain 45 at all times when the mirror seat is down as illustrated below Do not loosen the screw of 02043 02002 02009 02043 _ Diagram 30 5 When replaci
20. PRODUCT NO 23102 ASAHI PENTAX SPOTMATIC TABLE OF CONTENTS INTRODUCTION ASSEMBLY AND ADJUSTMENT OVERVIEW 1 ASSEMBLY AND ADJUSTMENT OF SHUTTER AND FILM TRANSPORT MECHANISM a Shutter Curtains Parallel Adjustment of Shutter Curtain Edges Assembly and Adjustment of Selector Gear Parts Assembly and Adjustment of Film Transport Mechanism Assembly and Adjustment of Intermediate Gear Parts Assembly and Adjustment of Selector Gear Mechanism Assembly and Adjustment of Counter Dial Mechanism Assembly and Adjustment of Rapid Wind Lever Seat pm meas 2 MIRROR HOUSING a Points to be borne in mind when making adjustment b Installation of Mirror Housing to Body Proper 3 ASSEMBLY AND ADJUSTMENT OF COUPLER GEAR PARTS 4 ADJUSTMENT OF SHUTTER ACTUATOR PLATE B 05140 5 ASSEMBLY AND ADJUSTMENT OF X SYNCHRO CONTACT 6 ADJUSTMENT OF SHUTTER EXPOSURE TIMING Adjustment of Bounce Stopper Mechanism Adjustment of Shutter Curtain Speed Adjustment of High Speed Exposure Timing 1 60 sec 1 1000 sec Adjustment of Slow Speed Exposure Timing 1 sec 1 30 sec Bonding of Parts for Adjustment Purposes Irregularity of Exposure Timing Adjustment of Exposure Timing at Various Positions of Picture Format 7 ADJUSTMENT OF SYNCHRO CONTACT MECHANISM a Adjustment of Time Lag at X Contact b Adjustment of Time Lag at PP Contact 8 ASSEMBLY AND ADJUSTMENT OF SELF TIMER ADDENDUM Exposure meter troubleshooting and repair
21. agram 40 7 Test and determine the exposure timing at five different shutter speed settings viz 1 1000 see 1 ms 1 500 see 2 ms 1 250 see 4 ms 1 125 see 8 ms and 1 60 see 16 7 ms respectively If the exposure timing at 1 1000 sec and 1 125 sec is found to be within tolerance the exposure timing at each of the other three shutter speed settings is automatically adjusted within tolerance d ADJUSTMENT OF SLOW SPEED EXPOSURE TIMING 1 sec 1 30 sec 1 Measure the speed at 1 30 sec 33 3 ms 2 Ease the adjust nut 05111 with the special tool 225 K E 48 A Rotate the set screw Set T 1 4 x 2 5 clockwise to slow down the exposure timing and counter clockwise to increase it After adjustment fasten 05111 3 Re check the speed at 1 30 sec 4 Measure the speed at 1 8 sec 125 ms 5 Ifthe timing at 1 8 sec is out of tolerance adjust as per 2 above 6 Re measure the timing at 1 30 Ae Diagram 41 sec and 1 8 sec respectively By e R 4 repeating the measurement and adjustment adjust the timing within tolerance Set F 1 4 X 2 5 Once the exposure timing at the above two shutter speed settings has been correctly adjusted correct exposure timing at the other speeds 1 15 sec 66 7 ms 1 4 sec 250 ms 1 2 sec 500 ms and 1 sec 1000 ms may be automatically obtained by means of the function of the slow speed cam 05020 05111 23102 Page 29 e BONDING OF ADJUST
22. d cut off both ends of 02079 so that the entire shock absorber can be covered completely by the mirror seat When the curtain actuator lever 02020 calked to 02018 does not attain its position when the mirror actuator lever top assembly 02018 stops its movement due to the flip up of the mirror file away the slanted port of the tip of 02110 that touches 02037 However care must be exercised not to file away the port to on excess because 1f filed away excessively it will result in incomplete flipping up of the mirror 23102 Page 38 DEFECTS Correct exposure cannot be obtained NOTE Pictures taken are either extremely over exposed or under exposed CAUSES The voltage of the battery 1s getting low perhaps not to zero but is below 1 3V Faulty indication of the needle of the ammeter How to check it Push down the AM switch lever 01069 to switch off the meter First determine if the needle is in the off positbon when the camera is held at a right position Then determine the exact off position of the needle by pointing the camera to different directions viz upward downward to the right and then to the left See to it that the camera once reverted to and held at a right position before turning it to any other directions When the camera is turned to any of these directions the needle must always rest at the right off position In the event the resting place of the
23. e Adjust the position of 05016 with tweezers so that it does not touch 05018 when the AM switch lever 01069 is pushed down in a state that the switch actuator pin 02095 is moved to the right as shown in Figure 1 d 2 Replace the ammeter NOTE 1 No interchangeability between the ammeter for Product No 231 and that for Product No 23102 2 If the ammeter is in good order when tested with a circuit tester it must indicate approx 3kQ Page 34 Service Memorandum No 1 Product No 23102 Spotmatic 1 Installation and Adjustment of Ammeter 10001 Fix the ground glass mask 02005 pentaprism 12004 and magnifier front element assembly 0 12005 to the prism seat 02001 if not already installed Fix the ammeter 10001 to the prism seat 02001 Then connect the red and black clips of the tester with the red and black lead wires of the ammeter 10001 respectively Before doing this however it is important to check to assure an output of the rated 3uA current between the red and black terminals of the 3uA tester as per the instruction given under 2 below While viewing through the viewfinder adjust and fix the ammeter 10001 at a spot where the tip of the needle of the ammeter 10001 comes to the centre of the notch as illustrated below With the foregoing processes the proper installation of the ammeter is complete The needle of the ammeter must rest at the centre of the notch when W
24. e of cloth soaked with mixed liquid composed of alcohol and ether Ammeters CdS cells variable resistors and semi fixed resistors should never be washed It is of utmost importance to observe the right kind of lubricants lubricating positions and lubricant quantity Lubrication should be in strict accordance with the attached list of lube oils as wrong use of oil will invariably result in malfunctioning of various parts and may cause defects 23102 Page 3 1 Assembly and Adjustment of Shutter and Film Transport Mechanism a SHUTTER CURTAINS Insert the 2nd curtain pinion shaft 05062 and pinion shaft collar 05135 one after another into the top mec plate 03001 and retain 05135 with the pinion shaft collar retainer screw 05136 Check if the clearance between the pinion shaft collar 05135 and the top mec plate 03001 along the shaft direction is adequate The pinion shaft will not rotate smoothly without an adequate clearance Adjustment of the clearance should be made with W6 washers Ease the pinion shaft collar retainer screw 05136 Shift the pinion shaft collar 05135 downward Apply L 1 lubricant between 05062 and 03001 and then fix 05135 at its original position Fix the bottom shaft rest assembly 05003 to the body proper 01001 with the mec plate retainer screw 03072 and screw SM 1 7 x 2 5 Insert the 1st curtain pinion shaft 05061 into the top mec plate 03001 Insert the curtain shaft colla
25. e of the long slit to facilitate proper functioning 23102 Page 24 03212 03047 03312 03047 must be positioned within the range of this angle 03412 03512 03612 FM 2X3 5 22 Standard 03212 03312 03412 03512 03612 Fix the coupler lever 03013 and the coupler lever washer 03015 to the coupler lever shaft 03048 Insert one end of the mirror restitution spring 02066 into the hole of the mirror actuator lever bottom 02019 and put it on 03015 Fasten 03013 and 03015 with the coupler lever retainer screw 03049 Hook the other end of 02066 on 03013 Diagram 36 02066 23102 Page 25 4 Adjustment of Shutter Actuator Plate B 05140 Timing in falling down of the shutter rod 05051 and flipping up of the mirror varies depending on how you adjust the shutter actuator plate B 05140 with set screw Set F 1 7 x 3 Adjust to assure that the mirror seat 02009 flips up the instant the shutter rod 05051 is shifted during its course of being pressed down from its upper tapered part to its narrow straight part where it meet with the bulb lever 05007 05004 05092 E E 2 R ead 01001 2 o 05007 05051 05140 Set F 1 7 x3 Diagram 37 At the instant the mirror seat 02009 flips up there should be a clearance of approx 0 3 mm between the under surface of the release plate 05004 and the upper surface of the collar of the intermediate gear retainer scr
26.