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TELEDYNE INSTRUMENTS
460L Instruction Manual Maintenance
05228 Rev B 47
DCN 5164 PRINTED DOCUMENTS ARE UNCONTROLLED
9.2. Maintaining the Optional H
2
O Coalescing Filter
9.2.1. Draining the Optional Coalescing Filter
The coalescing filter component of the optional sample conditioning system may accumulate with
water (see Figure 9-3 for filter location). It must be checked periodically and drained.
It is recommended that the filter be checked every 2 hours for the first several days of the
monitor’s operation to determine the fill rate of the filter’s reservoir.
To drain the filter:
1. Disconnect ozone supply line from monitor and shut off flow to the monitor using needle
valve on front panel.
2. Remove the cap from the fitting on the bottom of the coalescing filter and allow the filter to
drain.
3. Replace cap.
4. Reconnect the O
3
supply line and adjust flow to the monitor.
5. Open the flow meter valve and adjust the gas flow to the appropriate rate.
Coalescence
Filter Drain
Coalescence
Filter
(optional)
Figure 9-3 Draining the Optional H
2
O Coalescing filter