10-2 Routine Maintenance
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.
Maintenance schedule:
Procedure Frequency
Gas-ballast the rotary pump. Weekly.
Inspect and adjust the rotary pump
oil level.
Weekly.
Change the rotary pump oil. Every 3000 hours of pump
operation.
Replace the rotary pump oil mist
filter element.
Every six months.
For applications that contaminate
the rotary pump oil, this period is
reduced and must be determined
from experience.
Replace the rotary pump odor filter
element.
Monthly, or whenever the rotary
pump emits an oily odor.
Clean the foreline trap. Every three months.
Replace scroll pump seals. Annually.
See also: Edwards document XDS
35i Instruction Manual
A730-01-880.
Clean all source components. When sensitivity decreases to unac-
ceptable levels.
Condition the MCP detector Each time the analyzer is vented.
Check the water hoses and connec-
tions for possible leaks and
deterioration if the DI probe is
fitted.
Annually, or before using the probe.
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