crwdns2915892:0crwdne2915892:0
Contaminates can sometimes get stuck in the curtain blades slow the movement of the shutter. Disassembly, cleaning, and reassembly can often restore proper operation and timing of the shutter.
crwdns2942213:0crwdne2942213:0
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Remove the rubber decorative cap. It is attached with contact cement underneath. Isopropyl Alcohol may be used to soften the adhesive.
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Unscrew the lock nut using a spanner wrench. The lock nut is reverse threaded.
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Lift off the advance lever.
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Remove the spring washer.
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Remove one shim washer.
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Set the mode dial to the 'L' position.
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Use a spanner wrench to unscrew the dial lock nut.
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Lift off the mode dial.
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Place a rigid object in the fork.
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Unscrew the rewind lever.
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Use a spanner wrench to remove the lock nut.
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Lift off the exposure compensation dial.
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Remove two screws on either side of the eye piece.
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Remove two screws on either side of the lens mount.
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Remove one screw by the exposure compensation dial.
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Use a spanner wrench to remove the lock nut under the advance lever.
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Lift off the top cover slowly. It is still attached by one wire.
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Unsolder one gray flash sync wire.
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Remove three M1.7 x 3 mm screws.
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Remove bottom cover.
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Use a nickel or other large coin to remove the hand grip.
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Drip isopropyl alcohol along the edge of the leatherette to soften the adhesive.
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Use a dull scraper to lift one corner and pull off the panel.
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Repeat on the rewind side of the camera.
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Remove one M1.7 x 4.5 mm screw.
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Remove one slotted screw.
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Use isopropyl alcohol to soften the adhesive under the flex PCB.
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Gently lift the PCB until it is free from the camera body.
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Unsolder one red wire.
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Unsolder one light blue wire.
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Unsolder one orange wire.
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Unsolder one purple wire.
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Remove one M1.7 x 4.5 mm screw.
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Remove one M1.7 x 5 mm screw.
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Remove one countersunk M1.7 x 5.5 mm screw.
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Lift the contact terminal free from its seat.
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Remove the tripod mount.
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Remove one slotted screw.
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Remove one M1.7 x 4 mm screw.
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Loosen one slotted screw (this will remain connected to the assembly).
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Lift the ISO resistor assembly off the rewind post. It is still attached by a flex PCB.
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Remove one M1.7 x 2.5 mm screw. It is only accessible when the mode dial is in the 'L' position.
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Remove one crosshead screw.
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Lift the LCD out of the way. It is still attached by a flex PCB.
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Remove one M1.7 x 2.5 mm screw.
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Remove one slotted screw.
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Unsolder one gray wire.
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Unsolder one red wire.
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Unsolder one brown wire.
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Unsolder one white wire.
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Remove four M1.9 x 5 mm screws.
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Remove two M1.7 x 2.5 mm screws.
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Remove one M1.7 x 3.5 mm screw under the bottom plate.
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Wind the shutter
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Make sure the mode dial unit and ISO selector unit are free from their mounting points.
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Wiggle the mirror box and front board free.
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Watch for wire snags as you pull it free.
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Check for loose shim washers on the front board and note their position.
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Shutter should be in the charged state.
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Mirror box should be in released state.
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Pay close attention to wire routing during install.
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To test the actuation of the mirror and shutter, wind the camera, then insert a tool into this slot and push the release lever to the left.
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Remove three M1.7 x 3 mm screws.
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Lift shutter unit out of camera body.
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Push the shutter release latch down to fire the shutter.
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Remove old foam seals.
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Remove four M1.4 x 2.4 mm screws.
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Remove top spacer bushing.
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Remove closing curtain linkage.
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Remove five curtain blades.
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Remove curtain separator.
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Remove lower separator bushing.
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Remove three curtain blades.
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Remove opening curtain linkage.
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Remove two curtain guides.
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Clean any residue from the shutter frame and blades using isopropyl alcohol or other solvent.
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Clean the curtain pivots.
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Remove degraded rubber dampers and clean the surrounding area. They do not need to be replaced.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
