Honeywell HON P095NG Series - Page 47

Maintenance
UsermanualforHONR100gaspressureregulatorwithHONP095NGpilot  47
Whenconductingworkinvolvingthepipework,pleasealwaysobservethefollowing:
Figure Description
Donottwistthepipeconnectionsintheassemblies.
Useasecondspannerwrenchforsecuringwhen
looseningandtighteningpipejoints.

If… then…
Youwanttoperformmaintenanceonthepilot
only,
 Thedischarginglineandtheventlineonthe
pilotneedtobeuninstalled.
 Thepilotneedstoberemovedfromthe
actuatorassembly.
 Theactuatorassembly,includingthepipes,can
remaininthegasregulatingline.
Youwanttoperformmaintenanceontheactua‐
torassemblyonly,
 Themotorizationlinebetweenthepilotand
theactuatorassemblyneedstobeuninstalled.
 Thepilotneedstoberemovedfromthe
actuatorassembly.
 Todeterminewhethertheactuatorassembly
canbeleftinthegasregulatinglineduring
maintenance,pleaserefertothefollowing
table.
Youwanttoperformmaintenanceonboththe
actuatorassemblyandthepilot,
 Thedischarginglineandtheventlineonthe
pilotneedtobeuninstalled.
 Themotorizationlinebetweenthepilotand
theactuatorassemblyneedstobeuninstalled.
 Thepilotneedstoberemovedfromthe
actuatorassembly.
 Todeterminewhethertheactuatorassembly
canbeleftintheregulatinglineduring
maintenance,pleaserefertothefollowing
table.

If… then…
Youareperformingmaintenanceonanactuator
assemblywithanominalsizeofupto3"
Theactuatorassemblycanremainintheline
duringmaintenance.
Youareperformingmaintenanceonanactuator
assemblywithanominalsizeof4"ormore
Theactuatorassemblymustberemovedfromthe
lineanddisassembledformaintenance,asthe
individualcomponentsareheavystartingfrom
thissize.

Protectingthepipecon‐
nectionsfrombeing
twisted
Removingcomponents