Fuse Replacement
70011/70022
(Instruments with Serial Suffix Prior to P)
Reference: Use this instruction with replace-
ment part 70011 (1.0-Amp) or
70022 (2.0-Amp).
Voltage/Position/Fuse:
100-130 250V 2.0-Amp time delay
200-250 250V 1.0-Amp time delay
Tools Needed: Flat-bladed screwdriver.
Warning-Hazardous Voltage
CAUTION: Improper connections
may cause damage to the instrument.
The following instructions refer to 4D3
cryoscopes with suffix before "D", and to
3D3 osmometers with suffix before “B”:
1. Turn off the power and unplug the instru-
ment.
2. Insert a flat-bladed screwdriver between
the fuse holder and the power entry mod-
ule. Carefully pry the fuse holder from
the power entry module.
3. Dislodge the old fuses and reinstall the
new fuses by placing them in the fuse
holder brackets.
4. Slide the indicator pin into the correct slot
on the voltage board (A).
5. Place the fuse holder back into the power
entry module, making sure the indicator
pin extends through the correct pin hole
on the fuse holder (B).
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).
700P11 Rev0
(4D35 Service Manual)
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