Kidde Fire Systems ECS Manual page 14

5-4.3.3.2 Cylinders Equipped with Flexible Tape Liquid Level Indicator ....................... 5-6
5-4.4 Inspection Procedures-2 Year ................................................................. 5-11
5-5 Inspection and Retest Procedures for HFC-227ea Cylinders ......................... 5-11
5-5.1 Cylinders Continuously in Service Without Discharge ................................. 5-11
5-5.2 Discharged Cylinders or Charged Cylinders That are Transported................. 5-11
5-5.3 Retest ................................................................................................. 5-12
5-5.4 Flexible Hoses ...................................................................................... 5-12
5-6 Service ................................................................................................ 5-12
5-6.1 Cleaning .............................................................................................. 5-12
5-6.2 Nozzle Service ...................................................................................... 5-12
5-6.3 Repairs................................................................................................ 5-13
5-7 Removing an HFC-227ea Cylinder ........................................................... 5-13
5-7.1 Single Cylinder System .......................................................................... 5-13
5-7.2 Multiple Cylinder System........................................................................ 5-14
5-8 Reinstalling an HFC-227ea Cylinder ......................................................... 5-15
5-8.1 Single Cylinder System .......................................................................... 5-15
5-8.2 Multiple Cylinder System........................................................................ 5-15
5-8.3 Nitrogen Pilot Cylinders.......................................................................... 5-16
CHAPTER 6 POST- DISCHARGE MAINTENANCE
6-1 Introduction ......................................................................................... 6-1
6-2 Post-Fire Maintenance ........................................................................... 6-1
6-2.1 HFC-227ea Valve Inspection and Service.................................................. 6-1
6-2.2 Valve Disassembly (1½ in, 2 in and 2½ in Valve) ...................................... 6-1
6-2.3 Valve Disassembly (3-inch Valve)............................................................ 6-3
6-2.4 Replacing 3-Inch Valve Pilot Check .......................................................... 6-4
6-2.5 Valve Assembly (1½ in, 2 in and 2½ in Valve) .......................................... 6-4
6-2.6 Valve Assembly (3-inch) ........................................................................ 6-5
6-2.7 Safety Disc Replacement (1½-inch and 2½-inch valves and
2-inch valves manufactured prior to May 2014)......................................... 6-5
6-2.8 Safety Disc Replacement (3-inch and
2-inch Manufactured after April 2014)...................................................... 6-7
6-3 Recharging HFC-227ea Cylinders............................................................. 6-8
6-3.1 Charging Equipment Installation ............................................................. 6-8
6-3.2 Charging System Diagram...................................................................... 6-9
6-3.3 Charging Procedure ............................................................................... 6-10
6-3.4 HFC-227ea Cylinder Leak Test ................................................................ 6-13
6-3.5 Salvaging HFC-227ea from a Leaking Cylinder Assembly ............................ 6-14
6-4 Nitrogen Pilot Cylinder Service and Maintenance ....................................... 6-15
6-4.1 Nitrogen Driver Cylinder Hydrostatic Pressure Test .................................... 6-15
6-4.2 Nitrogen Cylinder Replacement ............................................................... 6-15
6-4.3 Nitrogen Cylinder Recharge .................................................................... 6-16
6-4.4 Nitrogen Cylinder Installation ................................................................. 6-17
06-236115-001
TABLE OF CONTENTS (CONT.)
xi October 2014