Archer VR6 Installation Fonctionnement et entretien - Page 4
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cleaned. It is recommended that all o-rings (with the exception of the OA-VIT-332) be
replaced.
6) When reassembling, new o-rings should be given a thin film of the Fluorolube grease.
NEXT: The inlet assembly is a critical component in the safe function of the vacuum
regulator. Improper handling or reassembly can result in dangerous leakage of chlorine gas.
Archer recommends that only trained personnel or those familiar with vacuum
regulator maintenance service the inlet assembly. To service the inlet assembly:
1. Remove the two screws holding the metal yoke plate to the vacuum regulator body.
2. Grasp the metal yoke and with a slight turning motion pull it out of the back body.
3. Remove the OA-VIT-214 O-Ring from the Seal Plug.
4. Remove the Inlet Filter Holder (and/or the filter) from the Seal Adapter.
5. Using a short flat head screwdriver and a pair of pliers unscrew the YMA-100A Inlet Valve
Stem from the VRA-601A Spring Retainer.
NOTE: Protect the VRA-601A Spring Retainer from the pliers with a cloth or paper.
NOTE: This should be done with the Seal Plug installed in the Yoke Assembly unless the
Yoke Assembly is being replaced.
6. Now the VRA-601A, YMA-100A and SPA-104 should be removed and cleaned.
NOTE: Especially clean the YMA-100A in the region where it meets the YPA-101A to form
the seal. This surface should be polished as smooth as possible without scratching the
surface.
7. Using a rod of 0.250" diameter, the YPA-101A Inlet Valve Seat can be pressed out of the
Seal Plug from the spring side. The YPA-101A should be cleaned and carefully inspected for
scratches or cuts especially where it is to seal with the YMA-100A.
NOTE: Sometimes the YPA-101A will be cut or deformed such that it cannot seal. If you
perform this service and the Vacuum Regulator is still leaking to vent, then the YPA-101A
should be replaced with a new one.
8. Clean the Seal Plug thoroughly before reassembling the unit in the following order:
a. Lubricate O-Rings with Fluorolube™ grease
b. Insert the new or cleaned YPA-101A with O-Ring OA-VIT-010.
c. Insert and retighten the YMA-100A, VRA-601A and SPA-104 as shown in the drawing.
NOTE: DO NOT USE EXCESSIVE FORCE IN TIGHTENING the YMA-100A to the VRA-601A.
d. Insert a new Filter Cartridge.
e. Install a new OA-VIT-214 O-Ring on the Seal Plug.
-Should you have any questions during maintenance of your vacuum regulator, please
contact your local service provider or Archer for support.
.