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Teledyne API Model 480L O
3
Monitor User Manual
09419A DCN8342
7.
MAINTENANCE AND ADJUSTMENTS
WARNING – ELECTRICAL SHOCK HAZARD
The operations outlined in this section are to be performed by
qualified maintenance personnel only!
CAUTION – RISK OF PERSONAL INJURY: HAZARDOUS GAS
Prior to opening the front panel for service of any kind, ensure first
that the area is well-ventilated before slowly opening the panel and
allowing gradual dissipation of any HAZARDOUS GAS that may
have accumulated within the enclosure.
CAUTION – RISK OF PERSONAL INJURY: UV RADIATION
Do not look at the UV LED while the unit is operating. UV light can
cause eye damage. Always use safety glasses made from UV
blocking material. (Generic plastic glasses are not adequate).
7.1 MAINTENANCE SCHEDULE
Table 7-1 below outlines the suggested maintenance procedures and intervals for
ensuring the 480L continues to operate accurately and reliably. These intervals are
based on continuous (24 hours a day – 7 days a week) operation. These intervals
may be lengthened for intermittent operation.
Table 7-1. Maintenance Schedule
Maintenance Item
Recommended Interval
Section
Replace internal particulate
filter
6 months
1
Adjust UV LED
As Indicated by UV Lamp Status or
Sensor Error messages
Replace UV LED
When adjustment can no longer be
effective.
Replace sample pump
If either the flow setpoint can’t be met
or the pump stops working.
Replace Sensor Module
Valve
2 years
1
When external sample line pre-filters are used. If pre-filters are not used, internal
sample filter should be replaced every month.
Summary of Contents for 480L
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