Canon PowerShot G11 Service Manual page 80

3.16 Disassembly of OPTICAL ASS'Y-2
(1) Disengage the two dowels and the four claws A, and then detach the BARRIER CAP, BARRIER PLATE 1 and
BARRIER PLATE 3.
(2) Detach the BARRIER PLATE SPRING 2 from BARRIER PLATE 3.
BARRIER PLATE
SPRING 2
(2)
(1)
BARRIER
PLATE 3
BARRIER
PLATE 1
BARRIER CAP
Dowel
STEP 1 Disengage the two dowels to
loosen the BARRIER CAP.
(1)
BARRIER PLATE 3
BARRIER CAP
Dowel
(1)
(2)
Claw A
BARRIER CAP
Claw A
STEP 2 Rotate the loosened BARRIER
CAP in the arrow direction,
disengage four claws A, and
detach the BARRIER CAP.
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BARRIER PLATE
SPRING 2
BARRIER PLATE
SPRING 2
BARRIER
PLATE 3
Claw B
Disengage the two claws B,
and detach the BARRIER
PLATE SPRING 2.