Inspect And Clean The Gas Ballast Control (If Fitted); Figure 6 Inlet Strainer Assembly - Edwards XDS35iR Instruction Manual

5. Refit the strainer assembly, circlip and the O‑ring to the inlet port. Refit the
vacuum system to the pump inlet port.

Figure 6 Inlet strainer assembly

1. O‑ring 1. O‑ring
3. Strainer assembly 3. Strainer assembly

6.4 Inspect and clean the gas ballast control (if fitted)

Note:
The gas ballast filter element
its seating with adhesive, do not try to remove it.
1. Refer to
high flow position (II).
2. Push the control down against the compression spring (item 6) as far as it will go,
then turn the control anti‑clockwise slightly to release the bayonet lugs (item 5)
and remove the control (item 1).
3. If necessary, wipe the control with a clean, dry, lint‑free cloth and check that the
air hole (item 3) is not blocked.
4. Refit the control into the gas ballast inlet and ensure that the compression spring
locates correctly between the bayonet lugs.
5. Push the control down as far as it will go and then turn the control clockwise
slightly until the bayonet lugs engage correctly.
6. Reset the gas ballast control to the required position.
A73001880_P
A73001880_P - Maintenance
(Figure: Gas ballast control
Figure: Gas ballast control
Page 29
2. Circlip 2. Circlip
assembly, item 7) is retained in
assembly. Turn the gas ballast control to the
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