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DISASSEMBLY
FUJI GW690-111 (PROFESSIONAL) /FUJI GSW690-111 (PROFESSIONAL)
4.
Disassembling the lens barrel assembly (7-23)
4-1
Using a special lens removing tool, turn the front lens assembly (7-4) counterclockwise and
remove it. Next, remove three screws (7-16) and remove the shutter speed selector ring.
4-2
Pull out the interlock rod (7-123), remove two screws (7-120), and remove the positioning
plate assembly (7-113) together with the gear (7-119). Next, unsolder and disconnect four
lead wires from the PCB (7-30), remove three screws (7-112), and remove the light shielding
mask (7-111).
4-3
Remove four screws (7-97), and separate the front mask assembly (7-84) from the helicoid
assembly (7-62).
44
Using a special lens removing tool, remove the rear lens frame assembly (7-56), remove the
hold ring (7-125) with a pin face spanner, and remove the shutter assembly (I) (7-17).
4-5
Remove the screw (7-27), remove two screws (7-207), and remove the aperture selector ring
(7-26), protecting ring (7-201), hood (7-203) and stopper ring (7-206).
4-6
Remove the knurled ring (7-66), turn the focusing ring (II) (7-61) to the left to remove it,
remove three screws (746) (a) , and remove the index ring (7-24).
NOTE:
The steel ball (7-35) will come down. Be careful not to lose it.
4-7
Remove the screw (7-64) and three set screws (7-66), and remove the focusing ring (7-63).
Next, remove three screws (746) (b) , and take out the shutter frame assembly (7-41).
5.
Disassembling the helicoid assembly (7-62)
5-1
Mark the male and female threads by means of a pen or scriber first. The combining posi¬
tions of the male helicoid (7-67) and female helicoid (helicoid ring assembly (7-75)) have
been set up.
Further, pull out the lead wires penerated through the lens barrel.
5-2
Feed the helicoid out toward the close-up distance side to remove the male helicoid (7-67).
Handle the helicoid carefully so as not to damage threads.
5-3
Remove three thrust plates (7-76), and remove the hold ring (7-79), helicoid ring assembly
(7-75) and ring (7-78).
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