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Focus Lens Replacement Procedure
Candela Corporation
Page 4 of 5 Candela Corporation Proprietary
8503-01-0827, Revision A
7.
Removing the Lens:
•
Remove Jam nut.
•
Pry out the first lens with Exacto knife, or turn the barrel upside down and tap
it sharply onto a clean piece of paper on a table.
•
Pry out the first o-ring.
•
Remove the spacer.
•
Push out the second lens.
8.
Replace or clean optics and o-rings as needed.
9.
Re-assemble per drawing 7122-99-3325, Fiber Receptacle Assembly and procedure:
A.
Install first o-ring, Item 2.
B.
Install first lens, Item 3, using Insertion tool 1301-00-8121) or a 15 mm
distance gauge (When usng a 15mm distance gauge, you
must press down
to insert lens then rotate 90º and repress down
to insure lens is flat in
housing.). Push down on insertion device to seat lens.
C.
Install Spacer Item 4 in orientation shown.
D.
Install the Second o-ring, Item 2. Push the o-ring into the groove with a plastic
tool or the wooden end of a cotton applicator.
E.
Install the second lens, Item 3 in the orientation shown, using insertion tool or
a 15 mm distance gauge. Push down on insertion device to seat lens.
F.
Screw the jam nut Item 5 in orientation shown into the housing until it stops.
Back out nut one turn and tap the side of the housing a few times to properly
center the lenses. Tighten the nut so that it is snug.
DO NOT OVER
TIGHTEN.
G.
Install the lens housing assy (item 2) into the receptacle block in the
orientation shown. Roughly align (rotate) the lens housing so that the
housing’s (2) threaded 4-40 tapped holes are aligned diagonally with the
receptacle block’s threaded 4-40 holes.
H.
Hold the receptacle block vertically, snout end facing down, lens housing
facing up. Gently push the lens housing diagonally so that it is resting flat
inside the block.
I.
Visually inspect the centering of the lens housing inside the receptacle block.
The space (gap) between the outer diameter of the lens housing and the inner
diameter of the receptacle block should be even all the way around. Adjust set
screws (Figure 1) until the space (gap) is even.
