Section 4 Preventive Maintenance; Gas" Mode Customer Selftest; Tightness Test - Sagem Ultima 600 Maintenance Manual

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4.1 – "GAS" mode customer selftest
Selftests accessible by customer:

• Tightness test

• Version, CS, FEP
• Lambda control
• Calibration
• HC residue test
• Info adjustment
• IR cell status
4.1.1 – Tightness test
Purpose:
To check tightness of gas circuit from sampling sensor up to pump.
Frequency:
This test should be performed:
- each time the analyzer requests the operator to perform the test
- each time a filter is replaced.
Procedure:
Select « tightness test » in the Selftest menu using the t and s keys.
• Place the end of the sensor in the sleeve provided for this purpose,
• Press the "Validation" key; the vacuum pressure information is indicated on the
display. A 30 s downcount starts when the pump stops. At the end of the
downcount, the analyzer gives the test result.
Issue 05/99
SECTION 4
PREVENTIVE MAINTENANCE
Ref.: 21821085-0/A
4-1