3 Maintenance procedures
This section provides the maintenance guidelines and procedures necessary to maintain the
device's performance.
Keep to a maintenance schedule, and perform maintenance as required and described in this
section.
3.1 Maintenance schedule
The following table lists periodic maintenance schedules that ensure optimum instrument
performance.
The maintenance frequencies shown apply to instruments that normally receive moderate use.
Table 3–1: Maintenance schedule
Procedure Frequency Additional information
Clean the instrument case. As required. See Cleaning the instrument
case.
Empty the exhaust trap bottle in
the instrument exhaust line.
Check daily, empty as
required.
See Emptying the nitrogen
exhaust trap.
Empty the liquid trap bottle in
the backing pump exhaust line.
Check daily, empty as
required.
See Emptying the liquid-trap
bottle.
Gas ballast the rotary backing
pump. (Performance QDa only.)
ESI–weekly. See Gas ballasting the rotary
backing pump.
Inspect and adjust the rotary
backing pump's oil level.
(Performance QDa only.)
Weekly. See Maintaining the rotary
backing pump’s oil.
Change the rotary backing
pump oil. (Performance QDa
only.)
Annually. See Maintaining the rotary
backing pump’s oil.
Clean the source components. When sensitivity decreases to
unacceptable levels.
See Cleaning the source
components.
Replace the probe. When sensitivity decreases to
unacceptable levels.
See Removing and refitting
the source enclosure.
June 15, 2017, 715003956 Rev. F
Page 25
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