7 Maintenance
88
7.3.3
Replacement of Desiccant Agent and Seal Washers: Upper Case
Here describes the replacement of desiccant agent and seal washers for screws in the
analyzer case.
Replace the desiccant agent and seal washers every 6 months.
1.
Turn ON the maintenance switch.
2.
Turn OFF the power switch.
3.
Remove the analyzer unit from the measuring tank and put on the calibration tank.
4.
Remove the screw covers (4) from the upper part of the analyzer unit and remove
the screws (4) using a screwdriver.
5.
Take the old desiccant agent and replace with the new one attached with this unit
(square type, 5 pieces in 1 set). Remove the dirt from the surface of new desiccant
agent and put in the analyzer unit with the film surface facing downward.
6.
Remove the screws and replace the seal washers (4) between the screw and case.
7.
Install the upper part of analyzer unit, screws (4), and screw covers (4).
Note
・
Packing for the seal is attached on the circumference of the upper part of analyzer unit. Confirm
that the packing is not removed, caught, or contaminated before tightening.
Replaced desiccant agent can be disposed of as a general waste.
Remove the screw covers (4) from the upper part
Upper part of analyzer unit
of analyzer unit.
