Tube Ejector Spring Replacement
3D3312R/4D3312
Reference: Use this instruction with replace-
ment part 3D3312R or 4D3312.
Tools Needed: Flat-bladed or Phillips screw-
driver, Tru-arc pliers (for
Osmometers).
CAUTION: Improper connections
may cause damage to the instrument.
Osmometer Instruction:
1. Turn off the power and unplug the instru-
ment.
2. Remove the head cover screws (A), then
remove the head cover.
3. Using a pair of Tru-arc pliers, remove the
Tru-arc retainer ring (B) from inside the
well.
4. Lift out the white Delrin elevator (C), and
then the spring.
5. Replace the old spring with the new one
and reassemble by reversing steps 1-4.
Cryoscope Instruction:
Remove the spring (D) from inside the
well and replace it with the new spring,
wide-end down.
For additional information or technical assistance,
please contact Advanced Instruments Hot-Line
®
Service Center (U.S. 1-800-225-4034, outside
North America +US 1-781-320-9000).
4DP312 Rev2
(4D35/3255 Service Manual)
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B
C
D
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