FLOATING HEAD Heat Exchanger General Assembly view Gaskets Tube side Inlet Shell side Inlet Gasket Bundle Shell Floating Head Back Cover Distributor Saddle Tube side Outlet Tube Sheet Shell side Outlet 2 . Floating Head Heat Exchanger Cross Sectional View Floating Head Shell Tube Bundle Baffle Distributor Back cover 3 . FLOATING HEAD Heat Exchanger Split View of Parts Gasket Gasket Split ring Spacer Gasket Gasket Tube Bundle Tube sheet Tube sheet Distributor Floating Head Back Cover Shell Floating Head Detail 4 . Do Not Start The Job Without A Safety Plan 5 . FLOATING HEAD Heat Exchanger Maintenance Activity Description Blind Inlets-Outlets at plant area Disconnect and remove Floating Head with gasket Disconnect and remove Distributor with gasket Install the bundle puller Pull the bundle out Disconnect and remove Back cover with gasket Bundle Puller Ground level 6 . FLOATING HEAD Heat Exchanger Maintenance Activity Description….Continuation Lower the bundle and take to hydro-jetting area Clean Shell and covers Lift the bundle puller with clean bundle and new gasket.. ready for reinstallation Bundle Puller 7 Ground level . .Continuation Reinsert the bundle by bundle puller Lower the bundle puller to the ground and take it away Bundle Puller 8 Ground level .FLOATING HEAD Heat Exchanger Maintenance Activity Description…. Continuation Shell Side Hydro-test Install front Test Ring with gasket Install Pressure Gauge Connect water pump Fill the shell by water Raise the pressure up to value given by Inspection Install back Test Ring with gasket Check leakages from tubes Install Blinds in shell PG Ground level 9 Water Pump ..FLOATING HEAD Heat Exchanger Maintenance Activity Description…. FLOATING HEAD Heat Exchanger Shell Side Hydro-test …Check leakages from tubes continuation PG “A” Water “B” View “A” Water View “B” 10 . FLOATING HEAD Heat Exchanger Shell Side Hydro-test ….Continuation Details PG Tube leak elimination Details “A” Shell under pressure “B” Detail “A” [By Expansion both sides] Detail “B” Leak [By Plug both sides] Leak 11 Tube Expander Tool . FLOATING HEAD Heat Exchanger Maintenance Activity Description…..Continuation Discharge water from shell drain Remove Test Ring & gasket [distributor side] Reinstall distributor with new gasket & tight bolts Blind Distributor in & out Remove Test Ring & gasket [floating head side] Reinstall Floating Head with split flange. new gasket & tight bolts PG Drain 12 . Continuation Details Install PG in distributor top nozzle Connect water pump Fill tube side by water Raise the pressure up to value given by Inspection Check floating head gasket sealing Check distributor gasket sealing Discharge the water. remove PG and water pump Remove blinds form distributor nozzle and tight bolts PG PG Drain Water Pump 13 .FLOATING HEAD Heat Exchanger Tube Side Hydro-test …. FLOATING HEAD Heat Exchanger Shell Side Final Hydro-test …. remove PG and water pump Remove blinds form shell nozzles and tight bolts PG Drain Water Pump 14 .Continuation Details Install Back cover with Gasket Connect water pump Fill Shell side by water Raise the pressure up to value given by Inspection Check Back cover gasket sealing Check bundle to shell gasket sealing Discharge the water. FLOATING HEAD Heat Exchanger Handover & Final House Keeping Remove tools and equipment Clean and wash the area Close Work permit By Maintenance Remove scaffold after unit start-up 15 .