1. “Fix Tube Sheet” Heat Exchanger
General Assembly view
Shell side Outlet
Shell side Inlet
Tube side Inlet
Tube side Outlet
Shell
Distributor
Tube Sheet
Gasket
Saddle
End Flange
Cover

2. “Fix Tube Sheet” Heat Exchanger Cross Sectional View Assembly
Baffle
Shell
Distributor
Tube sheet
Tube
Cover
Tube Sheet

3. “Fix Tube Sheet” Heat Exchanger Split view sectioned parts
Gasket
Distributor
Gasket
Shell-Tube sheet-Tubes
Cover
Gasket
End Flange

4. “Fix Tube Sheet” Heat Exchanger
Split View of Parts
Gasket
Gasket
Tube Sheet
Shell
Saddle
Cover
Distributor
End Flange
Gasket

5. Do Not Start The Job Without a Safety Plan
MAINTENANCE
"Fix Tube Sheet" Heat Exchanger
Safety
First
Plan
Do Not Start The Job Without a Safety Plan

6. “Fix Tube Sheet” Heat Exchanger Maintenance Activity Description
Blind Inlets-Outlets at plant area
Install Blinds in-Out of shell
Disconnect and remove Distributor with gasket
Remove Cover with gasket
Ground level

7. “Fix Tube Sheet” Heat Exchanger
Shell Hydro-test
Install pressure gauge
Eliminate leaks if found
Connect water pump
Drain water from shell
Fill the shell by water
Remove PG & Water pump
Raise the pressure at value indicated by Inspection
Remove blinds, fix gaskets & tight bolts PG
Drain
Water Pump
Ground level

8. Shell Side Hydro-test …Leak elimination from tubes [Details]
“Fix tube sheet” Heat Exchanger
Shell Side Hydro-test …Leak elimination from tubes [Details]
Tube sheet
Blind
Tube sheet PG
Shell
Leak elimination by Plugs
Water
Plug
Leak
Plug
Tube PG
Leak elimination by Expansion
Leak
Water
Expander

9. “Fix tube sheet” Heat Exchanger
Tube Side Hydro-test [Details]
Install distributor with new gasket
Fill Water tube side
Raise the pressure up to the value indicated by Inspection
Install blinds at inlet-outlet
Check sealing distributor to shell
Install Pressure gauge & water pump
Check sealing distributor to end flange
Install cover with gasket
Check sealing cover to Shell
Discharge water remove PG & pump
Remove blinds at distributor in-out PG
Water Pump
Ground level

10. “Fix Tube Sheet” Heat Exchanger
Handover & Final House Keeping
By Maintenance
Remove tools and equipment
Close Work permit
Clean and wash the area
Remove scaffold after unit start-up
Ground level