Maintenance Procedures 8200 Compressor
Unscheduled Maintenance Installation, Operation, and Service Instructions
8040353 Brooks Automation
5-6 Revision AA
Unscheduled Maintenance
Suggested Unscheduled Maintenance Equipment
It is advisable to keep on hand the unscheduled maintenance equipment and dispos-
able supplies listed below.
1. Helium, 99.999% pure.
2. Pressure regulator (0-3000/0-400 psig).
3. Maintenance manifold, part number 8080250K003*.
4. Helium charging line terminating in a 1/4-inch female flare fitting, part num-
ber 7021002P001.
5. Installation and Scheduled Maintenance Tool Kit, part number 8032040G004.
*Available from stock; consult the factory or your sales representative.
Adding Helium Gas
Use only 99.999% pure helium gas.
If the compressor helium pressure gauge reads 0, decontamination is required. Refer
to the Helium Circuit Decontamination on page 5-9, or contact the Product Service
Department.
1. A user-supplied helium charging line terminating in a 1/4-inch female flare fit-
ting, and a two-stage pressure regulator rated at 0-3000/0-400 psig is required
for this operation.
2. If you need to add helium more than once every several months, check for
leaks caused by improperly connected self-sealing connections or any mechan-
ical joint within the compressor.
Equipment Damage
To avoid damaging the cold head and other parts through contamination,
maintain pressure in the cold head.
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