Ametek 241CE II User Manual page 114

9. Remove the three (3) M6 x 20 screws and remove the Filterblock Core.
10. Clean all metal parts in the assembly – including the Sintered Disks – with
11. Installing Flow Restrictors:
12. Reassemble/replace parts in the Filterblock Core:
4-26 | 241CE II Hydrocarbon Dewpoint Analyzer
Inspect the Back Filterblock interior for signs of particulate or waxy films.
Remove the M6 nut, Seal Washer, o-rings (#010, #115), and the Filter Car-
tridge.
a cleaning solvent (Isopropanol or reagent-grade acetone are both accept-
able solvents). The solvent must not attack aluminum or stainless steel. If
necessary, gently clean the parts with a soft, non-abrasive cloth and make
sure they are free of debris. Allow all parts to air dry thoroughly before
reassembling them.
If reusing the original Flow Restrictors, install one (1) new #008 o-ring (Part
No. 300-6241) on each (3) Flow Restrictor (Part No. 100-1219). Install one
(1) Flow Restrictor in each (3) Filterblock section, and hand-tighten them.
If using new Flow Restrictors (comes with #008 o-ring), install one (1) Flow
Restrictor in each (3) Filterblock section, and hand-tighten them.
Apply Teflon tape to the NPT threads on the 50 cc/minute Flow Restric-
tor fitting (Part No. 300-6245), the 1/8-NPT Plug (Part No. 300-5774), and
the Male Connector (Vent to Flare, Part No. 300-1239) and replace them in
their respective Filterblock sections.
Install a new #115 o-ring (Part No. 300-6242) in the Filterblock Core.
Install a new Filter Cartridge (Part No. 300-6217). Install a new #010 o-ring
(Part No. 300-2375) in the Seal Washer (Part No. 300-6151) and secure the
Filter Cartridge on the Filterblock Core with the Seal Washer and M6 nut.
Lightly tighten the nut to avoid crushing the Filter Cartridge.
Replace the Filterblock Core in the Back Filterblock, aligning the screw
holes as you push it into the Back Filterblock section. Replace and tighten
the three (3) M6 x 20 screws using a torque screwdriver (4.0 Nm, ±0.7 Nm
(36 in.-lb, ±9 in.-lb)).
PN 903-8797, Rev A