Honeywell HON P095NG-HP - Starting Maintenance

Maintenance
UsermanualforHONR100gaspressureregulatorwithHONP095NGpilot  46
Schematicdiagram:

Thenumbershavethefollowingmeaning:
No. Meaning
1 Inletstopvalvearmature
2 Inletpressuregauge
3 Gaspressureregulator
4 Loadingpressuregauge
5 Blowdownlineshut‐offdevice
6 Outletpressuregauge
7 Outletstopvalvearmature

Proceedasfollows:
Step Description
1 Closetheinletvalve(1).
2 Closetheoutletvalve(7).
3
Depressurizethepilot. 
Turnthesetscrewonthepilotclockwiseuntilthepressureintheregulatorisequalized.
4
Opentheblowdownline’s(5)shut‐offdevicetodischargethepressurebetweentheinlet
andtheoutlet.

Allthegaspressureregulator’slinesmustbepurgedwithnitrogenbeforethedeviceisre‐
moved.

Overview
Establishingthedepres‐
surizedstatus
Purgingthelineswith
nitrogen