Spectrex 40/40I Triple IR (IR3) Flame Detector - Manual (Page 49)

Maintenance 37
4 Maintenance and Troubleshooting
➣ In this chapter…
Maintenance page 37
Troubleshooting page 39
This chapter deals with preventive maintenance, describes possible faults in
detector operation and indicates corrective measures. Ignoring these
instructions may cause problems with the detector and may invalidate the
warranty. Whenever a unit requires service, please contact Spectrex or its
authorized distributor for assistance.
4.1 Maintenance
This section describes the basic maintenance steps that should be taken to
keep the detector in good working condition and includes the following
topics:
 General Procedures, page 37
 Periodic Procedures, page 38
 Keeping Maintenance Records, page 38
4.1.1 General Procedures
Maintenance should be performed by suitably qualified personnel, who are
familiar with local codes and practice. Maintenance requires ordinary tools.
4.1.1.1 Cleaning
The detector must be kept as clean as possible. Clean the viewing window
and the reflector of the Flame Detector periodically.
The frequency of cleaning operations depends upon the local environmental
conditions and specific applications. The fire detection system designer will
give his recommendations.
➣ To clean the detector viewing window and reflector:
1 Disconnect power to the detector before proceeding with any
maintenance including window/lens cleaning.
2 Use water and detergent, and then rinse the viewing window with clean
water.
3 Where dust, dirt or moisture accumulates on the window, first clean it
with a soft optical cloth and detergent, and then rinse with clean water.