Gas-Ballast Inlet Connection; Leak-Test The System - Edwards E2M28 Instruction Manual

▪ Remove the outlet nozzle and connect to the 3/4 inch BSP threaded hole.
▪ Remove the outlet nozzle and replace it with an NW25 flange adaptor (available as
an optional accessory, refer to
to the NW25 flange.

4.10 Gas-ballast inlet connection

The position of the gas-ballast inlet is shown in
page 11. The gas-ballast inlet has several filters (shown in
gas-ballast filter on page
supply.
If using a different gas for the gas-ballast supply or to connect a valve to the gas-ballast
inlet:
1. Remove the filters (as described in
2. Connect the gas supply or valve to the 1/4 inch BSP threaded hole.

4.11 Leak-test the system

Leak‑test the system and seal any leaks found after you have installed the pump, to
prevent leakage of substances out of the system and leakage of air into the system.
A37310880_V - Installation
Pump outlet adaptor on page
37) to trap any dust and debris if air is used as the gas-ballast
Clean the gas-ballast filter on page
Page 27
47) and then connect
Figure: General view of the pump on
Figure: Remove/replace the
36).