Chapter 6
Maintenance and service
OsmoTECH XT Single-Sample Micro-Osmometer Service Guide
45
5.
Insert two replacement fuses into the Fuse Holder.
NOTE:
Use replacement fuse P/N 70011:
Fuse, 1.0A 250V SB 5 x 20 mm.
NOTE:
Double-check the values marked on the new
fuses before you install them. The instrument
automatically adjusts for voltages between
100 VAC and 240 VAC, but appropriately
rated fuses must be installed.
6.
Re-install the Fuse Holder into the back of the
instrument.
7.
Close the Fuse Holder Door.
8.
Reconnect the power cord to the OsmoTECH XT and
plug it into an outlet.
9.
Power on the OsmoTECH XT.
Sampler plunger wire replacement and verification
To ensure proper instrument operation, you should
replace the sampler plunger wire every 100 tests (or
each time you empty a XT100 test kit).
NOTE:
A sampler plunger wire is included with each test
kit.
Failure to replace the plunger wire may affect instrument
accuracy and repeatability.
Calibration
gauge and key
Shaft bushing
Shaft
Finger grip
Body
Calibration
set-screw
access
Sampler tip
Key
Wire
Tip
To replace the sampler plunger wire:
1.
Unscrew the calibration gauge and key.
2.
Rotate the sampler shaft until the calibration
setscrew appears beneath the access hole in the side
of the sampler body.
3.
Place the key end of the calibration gauge in the
access hole and turn counter-clockwise to loosen the
setscrew.
4.
Carefully remove the old sampler plunger wire.
