Riken Keiki EC-6002, Operating Manual

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7 Maintenance 7-1. Maintenance intervals and items
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RM-6000
7
Maintenance
The indicator/alarm unit is an important instrument for the purpose of safety.
To maintain the performance of the indicator/alarm unit and improve the reliability of safety, perform a
regular maintenance.
7-1. Maintenance intervals and items

Daily maintenance: Perform maintenance before beginning to work.

Monthly maintenance: Perform maintenance on the alarm circuit (alarm test) once a month.

Regular maintenance: Perform maintenance once or more for every six months to maintain the
performance as a safety unit.
Maintenance
item Maintenance content Daily
maintenance
Monthly
maintenance
Regular
maintenance
Power Supply
Check Check that the power lamp lights up.   
Concentration
Display Check Check that the concentration display
value is zero (or 20.9% on the
oxygen deficiency meter). When the
reading is incorrect, perform the zero
adjustment (fresh air adjustment)
after ensuring that no other gases
exist around the detector head.
  
Alarm Test Inspect the alarm circuit by using the
alarm test function. ―
 
<About Maintenance Services>

We provide services on regular maintenance including span adjustment, other adjustments and
maintenance.
To make the calibration gas, dedicated tools, such as a gas cylinder of the specified concentration and
gas sampling bag must be used.
Our qualified service engineers have expertise and knowledge on the dedicated tools used for services,
along with other products. To maintain the safety operation of the indicator/alarm unit, please use our
maintenance service.

The followings are typical maintenance services. Please contact RIKEN KEIKI for more information.