Nidek Medical CP-690, Service Manual

Page: 23 / 70

REPLACEMENT
§5
5.1 How to Remove the Covers
[NOTE] Before removing the covers, unless “Turn the power switch ON” is written, be sure to
turn the power switch OFF and unplug the power cord.
[NOTE] Once the lamp goes on, its surroundings become hot. Do not touch parts near the lamp
until they cool down.
[How to remove the top cover ASSY]
Rotate the fastener a half-turn with a coin.
Remove the top cover ASSY by lifting the
rear side of it up.
[How to remove the front cover ASSY]
1. Remove the top cover ASSY.
2. Unscrew PT3 × 10 (n=2) and remove the
front cover ASSY together with the plate
(M074).
* When remounting this part, be careful of
the orientation of the plate (M074). (See the
right figure.)
[How to remove the bottom cover ASSY]
1. Remove the top cover ASSY.
2. Disconnect the connector from J9 on the
BA01 board.
3. Unscrew BS3 × 6
ZnC
(n=2) to remove the
hook (M055).
4. Unscrew BS3 × 6
ZnC
(n=2) and PC3 × 10
Cr
(n=2) to remove the bottom cover.
* When the lens barrel obstructs the removal,
shorten it to the minimum.
Top cover ASSY
Fastener
Hook
Plate
Front cover
ASSY
PT3×10
BS3×6
ZnC
BS3×6
2
ZnC
2
PC3×10
Cr
2
2