Bacharach HI FLOW Sampler, Instruction, Page: 57 / 72

Hi Flow Sampler Maintenance
Instruction 0055-9017
53
5.4.2 Leak-Gas Sensor Filter
The leak-gas sensor filter is located inside the flow block of the leak-gas
sensor assembly. See Figure 5-4.
Equipment Required:

Medium Phillips Head Screwdriver
 Replacement Filter (P/N 0055-0045)
Procedure:
1. Remove cover per Section 5.3.
2. Remove tubing from inlet of sensor assembly.
3. Unscrew the filter chamber’s gas inlet fitting; then pull out old filter
and discard.
4. Insert new filter; reinstall the inlet fitting; then reinstall tubing.
5. Replace cover that was removed in Step 1.
5.4.3 Background-Gas Sensor Filter
The background-gas sensor filter is located inside the flow block of the
background-gas sensor assembly. See Figure 5-4.
Replace filter as previously described for the leak-gas sensor filter.
Figure 5-4. Leak Gas & Background Gas Sensor Filter Replacement