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PRODUCT NO.23102 ASAHI PENTAX SPOTMATIC TABLE OF CONTENTS Page INTRODUCTION 2 ASSEMBLY AND ADJUSTMENT OVERVIEW 3 1. ASSEMBLY AND ADJUSTMENT OF SHUTTER AND FILM TRANSPORT MECHANISM a. Shutter Curtains 4 b. Parallel Adjustment of Shutter Curtain Edges 6 c. Assembly and Adjustment of Selector Gear Parts 6 d. Assembly and Adjustment of Film Transport Mechanism 9 e. Assembly and Adjustment of Intermediate Gear Parts 10 f. Assembly and Adjustment of Selector Gear Mechanism 13 g. Assembly and Adjustment of Counter Dial Mechanism 18 h. Assembly and Adjustment of Rapid Wind Lever Seat 19 2. MIRROR HOUSING a. Points to be borne in mind when making adjustment 20 b. Installation of Mirror Housing to Body Proper 23 3. ASSEMBLY AND ADJUSTMENT OF COUPLER GEAR PARTS 24 4. ADJUSTMENT OF SHUTTER ACTUATOR PLATE B (05140) 26 5. ASSEMBLY AND ADJUSTMENT OF X SYNCHRO CONTACT 27 6. ADJUSTMENT OF SHUTTER EXPOSURE TIMING a. Adjustment of Bounce Stopper Mechanism 27 b. Adjustment of Shutter Curtain Speed 27 c. Adjustment of High Speed Exposure Timing (1/60 sec-1/1000 sec) 28 d. Adjustment of Slow Speed Exposure Timing (1 sec-1/30 sec) 29 e. Bonding of Parts for Adjustment Purposes 30 f. Irregularity of Exposure Timing 30 g. Adjustment of Exposure Timing at Various Positions of Picture Format 30 7. ADJUSTMENT OF SYNCHRO CONTACT MECHANISM a. Adjustment of Time Lag at X Contact 31 b. Adjustment of Time Lag at PP Contact 32 8. ASSEMBLY AND ADJUSTMENT OF SELF-TIMER 32 ADDENDUM: Exposure meter troubleshooting and repair 33 SERVICE MEMORANDUM 1: Ammmeter installation and adjustment 35 SERVICE MEMORANDUM 2: Reflex mirrot problems 37 23102 Page 1 INTRODUCTION This Service Manual is prepared for servicing