Ametek 930 User Manual

Maintenance and Troubleshooting | 5-5
Frequency Task
Every Year Measuring Cell
Replace the o-rings and Cell Windows and clean the interior surfaces to
remove any contaminants.
This schedule is a minimum requirement. If other conditions are found to
be present (see “Measuring Cell Maintenance”) more frequent cleaning
may be required.
Every 2 Years Chopper Assembly, Optical Bench
Replace the Chopper Motor Drive Belt and Chopper Wheel Bearings.
If there are recurring analyzer alarms that suggest problems with the
Chopper Wheel or other related parts in the Chopper Assembly, replace
these parts sooner (that is, “w ALC”, “w PMT signal”, “f Wheel speed”,
or “w Zero Drift”).
See “Chopper Assembly Maintenance” in this chapter.
Other ASR900 Sample Probe
Replace the o-rings and lters.
Refer to the ASR900 Sample Probe Installation and Maintenance Guide
for recommended preventive maintenance requirements.
Other Flamepath Gap
During each analyzer maintenance, use a feeler gauge to check the
amepath gap of the following locations. The gap must not exceed
the listed gap for each location; if the gap exceeds this value,
contact AMETEK for advice. See also “Examining and Caring For the
Flamepaths” in this chapter.
• Disconnect Enclosure ange (enclosure door and housing joining
surfaces).
Maximum Flamepath Gap: 0.15 mm
• Heater Plate Assembly ange (upper/lower Heater Plate joining
surfaces, inside the Analyzer Oven).
Maximum Flamepath Gap: 0.1 mm
For other amepaths not mentioned here, contact AMETEK.
Expo Technologies MiniPurge
®
System With eTimer (Optional)
Preventive Maintenance Schedule
Frequency Task
— If your analyzer uses an Expo Technologies MiniPurge
®
System With
eTimer, refer to the system’s manual for maintenance frequency and
procedures. This manual is shipped with the analyzer.
— To test the pressure of the Electronics Enclosure, use the Cabinet
Pressure Port on the Solenoid Block.
Every 3 Years Battery Pack, Expo MiniPurge
®
System (if analyzer is equipped)
Replace the Battery Pack and perform the commissioning tests as
described in the Expo MiniPurge
®
Type X / ET Size 1 Manual (ML 422).
See “Expo Technologies MiniPurge
®
System With eTimer Spare Parts”
in Chapter 6 for spare parts ordering information.

Ametek 930 Specifications

General

Brand	Ametek
Model	930
Category	Measuring Instruments
Language	English