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Pentax Spotmatic Advance Mechanism Disassembly

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  1. Pentax Spotmatic Advance Mechanism Disassembly, Remove frame counter: шаг 1, изображение 1 из 3 Pentax Spotmatic Advance Mechanism Disassembly, Remove frame counter: шаг 1, изображение 2 из 3 Pentax Spotmatic Advance Mechanism Disassembly, Remove frame counter: шаг 1, изображение 3 из 3
    • Loosen three grub screws. Do not remove them from the frame counter cover.

    • Lift off frame counter cover.

    • Remove one 2.5 mm flat head screw. It is reverse or left-hand threaded.

    • Remove the frame counter dial.

    • Remove the retaining nut using a spanner wrench. A pair of fine tipped nippers can also work.

    • On some Spotmatics, this nut may be reverse threaded. Work carefully.

    • Remove the dial seat.

  2. Pentax Spotmatic Advance Mechanism Disassembly, Remove advance lever: шаг 2, изображение 1 из 3 Pentax Spotmatic Advance Mechanism Disassembly, Remove advance lever: шаг 2, изображение 2 из 3 Pentax Spotmatic Advance Mechanism Disassembly, Remove advance lever: шаг 2, изображение 3 из 3
    • Remove three 2.3 mm flat head screws.

    • Use a pick to rotate the retaining washer until the lobed sections are free.

    • Lift off the advance lever.

    • Remove the plastic shim washer.

  3. Pentax Spotmatic Advance Mechanism Disassembly, Remove shutter speed dial: шаг 3, изображение 1 из 3 Pentax Spotmatic Advance Mechanism Disassembly, Remove shutter speed dial: шаг 3, изображение 2 из 3 Pentax Spotmatic Advance Mechanism Disassembly, Remove shutter speed dial: шаг 3, изображение 3 из 3
    • Remove one 2.8 mm pin head screw.

    • The dial assembly is spring loaded. Keep two fingers on top of the dial as you are loosening the screw to prevent it from popping off.

    • Remove the shutter speed dial.

    • Remove the ISO dial.

    • Remove the internal spring.

    • Remove the dial housing.

  4. Pentax Spotmatic Advance Mechanism Disassembly, Installation Notes: Shutter Speed Dial: шаг 4, изображение 1 из 2 Pentax Spotmatic Advance Mechanism Disassembly, Installation Notes: Shutter Speed Dial: шаг 4, изображение 2 из 2
    • The hole in the dial housing needs to go over the tab on the speed resistor.

    • The tab on the ISO dial needs to mate with the hole in the dial housing.

    • It can be difficult to line everything up while compressing the spring and installing the center screw. Be patient.

  5. Pentax Spotmatic Advance Mechanism Disassembly, Remove film winder assembly: шаг 5, изображение 1 из 3 Pentax Spotmatic Advance Mechanism Disassembly, Remove film winder assembly: шаг 5, изображение 2 из 3 Pentax Spotmatic Advance Mechanism Disassembly, Remove film winder assembly: шаг 5, изображение 3 из 3
    • Place a thin, sturdy tool in the spindle fork.

    • Unscrew the rewind knob.

    • Use a spanner wrench to unscrew the retaining nut.

    • Remove the film reminder

    • Remove the spring washer.

    • Remove the friction plate.

  6. Pentax Spotmatic Advance Mechanism Disassembly, Remove top cover: шаг 6, изображение 1 из 2 Pentax Spotmatic Advance Mechanism Disassembly, Remove top cover: шаг 6, изображение 2 из 2
    • Remove one 3.0 mm flat head screw.

    • Remove top cover.

  7. Pentax Spotmatic Advance Mechanism Disassembly, Remove shutter ready indicator: шаг 7, изображение 1 из 1
    • Remove one 5.3 mm flat head screw and attached spring.

    • Remove one 9.1 mm flat head screw.

    • Remove the shutter ready indicator.

    • Installation Notes: The lever is easily bent and may need adjustment during final assembly. Temporarily replace the top cover and check that it changes correctly from black to orange in the indicator window. Reshape as necessary.

  8. Pentax Spotmatic Advance Mechanism Disassembly, Remove wind driver: шаг 8, изображение 1 из 1
    • Remove two 3.4 mm flat head screws from the wind stopper.

    • The wind driver will unwind when the stopper is removed.

    • Remove the wind spring from the retention post.

    • Remove the wind driver.

  9. Pentax Spotmatic Advance Mechanism Disassembly, Installation Notes: Wind Driver: шаг 9, изображение 1 из 3 Pentax Spotmatic Advance Mechanism Disassembly, Installation Notes: Wind Driver: шаг 9, изображение 2 из 3 Pentax Spotmatic Advance Mechanism Disassembly, Installation Notes: Wind Driver: шаг 9, изображение 3 из 3
    • Move the ratchet teeth outward such that they won't engage with the main wind gear but are still held in place by the bias springs.

    • Install the wind driver.

    • Hook the wind spring on its retention post.

    • Turn the wind driver counter-clockwise until the wind spring drops inside the corner of the camera chassis.

    • Install the wind stopper plate.

    • Push the ratchet teeth in to engage them with the main wind gear. The bias springs should look like this when properly installed.

    • The wind spring should be tight enough so it doesn't interfere with other components in the camera and loose enough to allow a full wind of the advance lever.

  10. Pentax Spotmatic Advance Mechanism Disassembly, Remove support shaft: шаг 10, изображение 1 из 2 Pentax Spotmatic Advance Mechanism Disassembly, Remove support shaft: шаг 10, изображение 2 из 2
    • Remove main wind gear.

    • Remove two 3.5 mm flat head screws.

    • Lift the support shaft slowly. The mechanism underneath is spring loaded and may jump free.

  11. Pentax Spotmatic Advance Mechanism Disassembly, Remove frame counter mechanism: шаг 11, изображение 1 из 3 Pentax Spotmatic Advance Mechanism Disassembly, Remove frame counter mechanism: шаг 11, изображение 2 из 3 Pentax Spotmatic Advance Mechanism Disassembly, Remove frame counter mechanism: шаг 11, изображение 3 из 3
    • Hold the cap washer in place while unhooking the main spring.

    • Remove the cap washer.

    • Remove the main spring.

    • Remove the ratchet pawl.

    • Remove the shim washer.

    • Remove the counter advance gear and lever.

    • Installation Notes: Hold the cap washer while tensioning the main spring. You may need to install the support shaft assembly to hold the counter mechanism in place.

Заключение

To reassemble your device, follow these instructions in reverse order.

3 человек успешно провели ремонт по этому руководству.

Sam Gustafson

Участник с: 09/01/22

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