Maintenance
April 2020 6-2 06-237619-001
6-2 MAINTENANCE PROCEDURES
A program of systematic maintenance is essential for continuous, proper operation of all Kidde
Inert Gas Systems. Follow a periodic maintenance schedule as outlined in Table 6-1 and
Table 6-2. Additionally, maintain an inspection log for ready reference. As a minimum, record
the following in the log:
• Inspection interval
• The inspection procedure performed
• Maintenance performed, if any, as a result of inspection
• The name of inspector performing the task
If areas of rust or corrosion are found during the inspection of cylinders then record on
report that cylinders should be sent to a Kidde Fire Systems authorized fill station for
proper examination and, if necessary, hydrostatic testing.
6-3 PREVENTATIVE MAINTENANCE SCHEDULE
Instruct all system owners to perform preventative maintenance at outline in Table 6-1.
WARNING
Kidde IGS cylinders and components must be handled, installed, inspected and
serviced only by qualified and trained personnel in accordance with the
instructions contained in this manual. (For further advice or training details
contact Kidde Fire Systems.)
Before performing these maintenance procedures, refer to the Safety Data
Sheets in Appendix A of this manual and “Safe Cylinder Handling Procedures”
on page iii.
Table 6-1. Owner Preventive Maintenance Schedule
Schedule Requirement Paragraph
Weekly
Inspect Kidde IGS cylinder and check the cylinder pressures
Section 6-4.1
Check nitrogen pilot cylinder pressures Section 6-4.2
Perform hazard and enclosure inspection Section 6-4.3
Perform pipework and controls inspection Section 6-4.4
Monthly Perform Weekly Inspection as outlined in Section 6-4
and the following additional tasks:
Perform General Inspection Section 6-5.1
Inspect Hazard Access Section 6-5.2
Inspect Hoses Section 6-5.3
Inspect Release Units and Slave Gauges Section 6-5.4
Inspect Cylinder and Valve Assembly Section 6-5.5
Inspect Electric Control Heads Section 6-5.6
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