1. Remove outer filter casing and filter (refer to Figure 121).
Figure 121 – Remove Filter Casing and Filter
2. Clean filter with water and dry it.
Note: Do not install the filter until completely dry, a wet filter can damage the instrument.
3. Reinstall filter and filter casing.
6.4.3 Leak Check
Equipment Required
• Vacuum Source (Pump)
• Leak Test Jig (PN: H050069)
• Kynar 1/4” Blocker Nuts
• 5/8” Spanner
• 9/16” Spanner
Procedure
Note: Ensure that the instrument has been running for at least one hour before this procedure is
performed.
1. Turn OFF the vacuum source and allow the instrument to return to ambient pressure.
2. Disconnect any external tubing connected to the rear of the instrument.
3. Connect the leak check jig to the Exhaust Port of the instrument.
Figure 122 – Leak Test Jig on Exhaust Port