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Instructions for Use
Maintenance
All service must be performed by trained personnel only.
NOTE
A mass spectrometer leak detector requires periodic maintenance to ensure
continued reliable operation. After prolonged use, the leak detector accumulates
contaminants from even the cleanest of products tested that eventually impair
operation. A thorough disassembly and cleaning of the entire vacuum system,
which includes the valve block and spectrometer, restores normal operation. For
heavy production use, more frequent overhauls may be needed. In most cases,
maintenance personnel do this work, but Agilent can also do this work under the
terms of a service contract.
This maintenance section covers daily and as-required maintenance. It does not
cover overhaul of the entire vacuum system. If your leak detector requires service
that is not covered in this section, contact Agilent Customer Service. See the back
cover of this manual for a listing of our sales and service offices.
Important Reminders
NOTE
In addition to the safety notes at the beginning of this manual, heed the following
notes, cautions, and warnings when performing maintenance.
Disconnect power from the leak detector before performing any
WARNING
maintenance procedure that requires physically disconnecting any part of
the system.
The leak detector has two battery backed clocks which use a primary (non-
rechargeable) lithium coin battery from Panasonic, P/N BR2477A/HB (3.0V,
1Ah) that is permanently soldered onto a Motherboard PCB and Panasonic's
P/N BR2032 (3.0V, 500 mAh) located on the CPU PCB.. Never replace this
battery with a rechargeable type. Use only the primary type of lithium
battery. Only a qualified technician should replace any battery. The battery
has a life of 7 to 10 years.
The leak detector uses fuses and circuit breakers that are not operator
replaceable. Only a qualified technician should replace any fuse.
Information about the fuses and circuit breakers is given in Table 4.
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Agilent Helium Leak Detector User Manual
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