06-237619-001 xi April 2020
TABLE OF CONTENTS (CONT.)
6-5.6 Inspect Electric Control Heads on Nitrogen Pilot Cylinders.......................... 6-5
6-5.6.1 Inspect Brackets, Straps, Cradles and Mounting Hardware.........................6-5
6-6 Semi-Annual Inspection Procedure ......................................................... 6-6
6-6.1 System Lockout Valve (if Fitted) ............................................................ 6-6
6-6.2 Actuator on Selector Valve .................................................................... 6-6
6-6.3 Distribution Pipe Work and Nozzles......................................................... 6-6
6-6.4 Protected Room ................................................................................... 6-6
6-6.5 Test Discharge Pressure Switches...........................................................6-6
6-6.6 Test Release Units................................................................................ 6-7
6-6.7 Control Head Test for Nitrogen Pilot Cylinders .......................................... 6-8
6-6.7.1 Electric Control Head Test for Nitrogen Pilot Cylinders ...............................6-8
6-6.7.2 Lever Operated Control Head Test for Nitrogen Pilot Cylinders....................6-9
6-6.7.3 Lever/Pressure Operated Control Head Test
for Nitrogen Pilot Cylinders.................................................................... 6-9
6-6.8 Inspect Flexible Hoses .......................................................................... 6-10
6-6.9 Verify Odorizer Assembly ...................................................................... 6-10
6-7 Annual Inspection Procedure .................................................................6-11
6-7.1 Check Kidde IGS System Cylinder Pressure Gauges .................................. 6-11
6-8 Inspection Procedures-2 Year ................................................................ 6-11
6-8.1 Distribution Piping Blow Out .................................................................. 6-11
6-9 Inspection Procedures- 5 year (CFR)....................................................... 6-12
6-9.1 Inspection and Retest Procedures for Kidde IGS System
UN Specification Cylinders..................................................................... 6-12
6-9.1.1 Cylinders Continuously in Service Without Discharge................................. 6-12
6-9.1.2 Discharged Cylinders ............................................................................ 6-12
6-9.1.3 Charged Cylinders Needing to be Transported.......................................... 6-12
6-9.2 Inspection and Retest Procedures for Flexible Hoses ................................. 6-12
6-10 Inspection Procedures- 10 year (EU) ......................................................6-13
6-10.1 Retest Procedures for TPED Specification EU Cylinders .............................. 6-13
6-10.1.1 Cylinders Continuously in Service without Discharge ................................. 6-13
6-10.1.2 Discharge Cylinders or Charged Cylinders that are Transported .................. 6-13
6-10.1.3 Retest ................................................................................................ 6-13
6-11 Service............................................................................................... 6-14
6-11.1 Cleaning ............................................................................................. 6-14
6-11.2 Nozzle Service..................................................................................... 6-14
6-11.3 Repairs............................................................................................... 6-14
6-12 Removing a Kidde IGS Cylinder.............................................................. 6-15
6-12.1 Reinstalling a Kidde IGS Cylinder ........................................................... 6-15
CHAPTER 7 POST-DISCHARGE MAINTENANCE
7-1 Introduction ........................................................................................ 7-1
7-2 After System Discharge ........................................................................ 7-1
7-2.1 Cylinder Replacement........................................................................... 7-1
7-3 Re-Installing Release Units.................................................................... 7-2
7-4 Re-Installing Slave Cylinder Gauge Assemblies......................................... 7-3
7-5 Recharging Kidde IGS System Cylinders.................................................. 7-3
7-6 Nitrogen Pilot Cylinder Service and Maintenance....................................... 7-3
7-6.1 Nitrogen Pilot Cylinder Hydrostatic Pressure Test...................................... 7-3
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