Asahi Pentax Spotmatic Repair Manual

PRODUCT NO.23102ASAHI PENTAX SPOTMATIC

23102 Page 9d. ASSEMBLY AND ADJUSTMENT OF FILM TRANSPORT MECHANISMFirst, put the sprocket collar (03058) and (W 30) onto the sprocket (03057-2) using

23102 Page 10Slightly rotate the top main gear retainer screw (03044) clockwise with a screwdriver, and ease the force ofyour driver-holding hand, at

23102 Page 11By holding the bottom intermediate gear (05034) to prevent it from floating, turn the top main gear retainerscrew (03044) clockwise with

23102 Page 12If the groove of (05033), after installation, cannot be properly positioned even though the engaging position ofthe gear is changed, the

23102 Page 13f. ASSEMBLY AND ADJUSTMENT OF SELECTOR GEAR MECHANISM(1) Assembly of high Speed Lever PartsAfter cocking the shutter, fix the bulb lever

23102 Page 14(05010) should not touch the upper part of the top selector gear (05035).(4) Assembly and Adjustment of the "cocked" IndicatorT

23102 Page 15(6) Assembly of Shutter Rest PlateCock the shutter. Assemble the governor actuator rod spring (06015) and the governor actuator rod(06008

23102 Page 16Two types of the high speed cam, (05219) and (05319), are available for critical adjustment of theshutter speed. Refer to Chapter 5, b. f

23102 Page 17If set screws (Set T. 1.4 ‘x 2.5) are not properly fastened, (07003) may. hit (07008). Bond the set screw(Set T. 1.4 x 2.5) with Screw Lo

23102 Page 18g. ASSEMBLY AND ADJUSTMENT OF COUNTER DIAL MECHANISMInsert the counter dial coupler lever shaft (03062) into the counter dial coupler lev

23102 Page 1TABLE OF CONTENTSPageINTRODUCTION 2ASSEMBLY AND ADJUSTMENT OVERVIEW 31. ASSEMBLY AND ADJUSTMENT OF SHUTTER AND FILM TRANSPORT MECHANISMa.

23102 Page 19Slowly ease the force of the screwdriver holding down (03063). Do not free the screwdriver suddenly, or theparts will flip up with the te

23102 Page 20Install 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

23102 Page 21(2) When fixing the mirror seat assembly (0-02009) to the mirror housing (02002), the “A” part of the hingecover (02011) as shown in the

23102 Page 22hanger A (02041) which is calked to (02018), give a stop to (02019). When thus stopped, the left side ofthe tip of (02020) should be posi

23102 Page 23(6) When the hook release lever (02087) isreplaced with a new one, try to flip up themirror seat quietly with your finger tocheck if (020

23102 Page 243. Assembly and Adjustment of Coupler Gear PartsInstall the coupler pinion (05039) on the 2nd curtain pinion shaft (05062), and fasten it

23102 Page 25Fix the coupler lever (03013) and the coupler lever washer (03015) to the coupler lever shaft (03048). Insertone end of the mirror restit

23102 Page 264. Adjustment of Shutter Actuator Plate B (05140)Timing in falling down of the shutter rod (05051) and flipping up of the mirror varies d

23102 Page 275. Assembly and Adjustment of X Synchro ContactFasten the X contact seat assembly (05026) onto the body proper (01001) with two screws (F

23102 Page 28Adjust the travel speed of the 1st curtain to be faster than that of the 2nd curtain by 0.05 - 0.1 ms.Adjust it as follows(1) Place the s

23102 Page 2INTRODUCTIONThis Service Manual is prepared for servicing Product No. 23102-Asahi Pentax Spotmatic Camera-which is animproved model of Pro

23102 Page 29(6) Re-check the speeds at 1/1000 sec. and 1/125 sec. respectively.If the speed either at 1,/1000 sec. or1/125 sec. is out of tolerance,

23102 Page 30e. BONDING OF ADJUSTING PARTSAfter adjustment of the high and slow speed exposure timing, bond the undermentioned parts with red lacquert

23102 Page 31REFERENCE“Time of exposure” usually refers to the time of exposure at the centre of the picture format.7. Adjustment of Synchro Contact M

23102 Page 32b. ADJUSTMENT OF TIME LAG AT FP CONTACTWind the shutter. Release the shutter while retaining the tip of the mirror seat (02009) with a fi

23102 Page 33SERVICE MANUALPRODUCT NO.23102 - ASAHI PENTAX SPOTMATIC CAMERAHOW TO FIND FAULTY EXPOSURE METER AND HOW TO SERVICE ITDEFECTS: CAUSES: SER

23102 Page 34DEFECTS: CAUSES:SERVICING:NOTE:Push down the AM switchlever and check with acircuit tester if the batterycontact piece B (01018) iselectr

23102 Page 35Service Memorandum No.1 Product No.23102 (Spotmatic)1) Installation and Adjustment of Ammeter (10001)a. Fix the gr

23102 Page 362) How to Adjust the 3µA TesterThe 3µA tester must always function to discharge the rated 3µA current from its output terminals. Accordin

23102 Page 37Service Memorandum No.2 Product No.23102 (Spotmatic)Major Troubles and Causes of Malfunctioning Mirror.1. Mirror f

23102 Page 38Points to be remembered when making adjustment.1.b. Release the shutter at “B”. While pressing the shutter button, measure the pressure o

23102 Page 3ASSEMBLY AND ADJUSTMENTNote:Before assembling, disassembled parts need a careful washing and/or dusting with either a piece of clothor a b

23102 Page 39DEFECTS: CAUSES:SERVICING:1. The voltage of the battery is 1. Replace the battery.Correct exposure cannot getting low; perhaps not to zer

23102 Page 40DEFECTS: CAUSES:SERVICING:3. The resistance values of CdS cell 3. Replace CdS cells.are inconststent.NOTE:How to check it: CdS cells are

23102 Page 41DEFECTS: CAUSES:SERVICING:The two terminal plates (10029) Set the ASA scale on the shutteraffixed to the variable resistor do speed dial

23102 Page 41. Assembly and Adjustment of Shutter and Film Transport Mechanisma. SHUTTER CURTAINSInsert the 2nd curtain pinion shaft (05062) and pinio

23102 Page 5

23102 Page 6b. PARALLEL ADJUSTMENT OF SHUTTER CURTAIN EDGESWith the special tool 231K-E35-A, check if the 1st and 2nd shutter curtain edges (05023) ar

23102 Page 7Insert the top selector gear (0-05035) into the selector gear shaft bearing (05043). As illustrated in Diagram 4,engage the top selector g

23102 Page 8Assemble the top speed selector retainer (0-05045) and the shaft of (0-05035) with particular attention not tochange the relative position