Hitachi CHROMASTER 5160, Instruction Manual

Page: 136 / 1022

4 - 20
(4) Cleaning Microsyringe
(a) Wipe the needle before and after sampling.
(b) Wipe the needle before aspirating a cleaning solvent.
Clean the inside of the syringe seven times or more.
(c) Clean the syringe after injection immediately.
Fig. 4-8 Cleaning Microsyringe
(5) Tightening Connection Tube
If a Teflon tube is tightened too much, the inside diameter
becomes short, and the pressure increases abnormally.
When tightening a Teflon tube or a SUS pipe, see the
following.
(a) Push screw (resin screw); Tighten it fully with your
fingers (using no tools.)
(b) Push screw (SUS screw); Tighten it fully with your
fingers (using no tools), then re-tighten with a wrench
(with a tightening torque of 4 [N•m]) to secure firmly.
Refer to the table shown below about an angle of re-
tightening,
Table 4-4 Angle of Re-tightening
SUS pipe installation
To connect a new pipe
(Ferrule not yet caulked)
To reconnect an existent pipe
(Ferrule already caulked)
Angle of re-tightening (°) 270 to 360 30 to 60