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Summary of Contents for BOC Edwards A531-15-020
- Page 1 A531-15-880 Issue C Instruction Manual Disposable Liners for the Model 250 Water-Cooled Exhaust Trap Description Item Number Disposable Liners A531-15-020 Manor Royal, Crawley, West Sussex, RH10 9LW, UK Telephone: +44 (0) 1293 528844 Fax: +44 (0) 1293 533453 http://www.bocedwards.com...
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Page 2: Table Of Contents
Install the new liners Refit the trap Leak-test the installation MAINTENANCE STORAGE AND DISPOSAL Storage Disposal RETURN OF BOC EDWARDS EQUIPMENT Illustrations Figure Title Page Exhaust trap connections Sectional view of trap and liner components Exploded view of liner components... - Page 3 (This page deliberately left blank) Disposable Liners...
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Page 4: Introduction
Scope and definitions This manual provides installation and maintenance instructions for the Disposable Liners for the BOC Edwards Model 250 Water-Cooled Exhaust Trap. You must use the Disposable Liners as specified in this manual. Read this manual before you install the Disposable Liners. Important safety information is highlighted as WARNING and CAUTION instructions;... -
Page 5: Installation
Ensure that the exhaust trap and the connecting pipelines are at a safe temperature before you start installation. • You must only use BOC Edwards recommended components to install the Disposable Liners. • Check that all the required components are available and of the correct type before you start work. -
Page 6: Unpack And Inspect
Unpack and inspect Remove all protective covers and check the Disposable Liners. If the Disposable Liners are damaged, notify your supplier and the carrier in writing within three days; state your order number and invoice number. Retain all packing materials for inspection. Do not use the Disposable Liners if they are damaged. -
Page 7: Prepare The Exhaust Trap
Prepare the exhaust trap WARNING Before you open the exhaust trap, ensure that the pressure in the exhaust trap is not above atmospheric pressure. Refer to Figure 1 and use the following procedure to prepare the exhaust trap. 1. Purge the pumping system, shut down the pump and turn off the cooling-water supply. 2. -
Page 8: Exhaust Trap Connections
Clamp and trapped 'O' ring Outlet elbow Clamp and trapped 'O' ring Cooling-water inlet connector Inlet elbow Clamp and trapped 'O' ring Cooling-water outlet connector Figure 1 - Exhaust trap connections Disposable Liners... -
Page 9: Remove The Old Liners
Remove the old liners Refer to Figure 2 in the following procedure. An exploded view of the Disposable liners is shown in Figure 3. 1. Undo and remove the eight thumbwheels (4) which secure the top-flange to the exhaust trap. 2. -
Page 10: Sectional View Of Trap And Liner Components
Trap outlet Cold-finger 15. Trap base Outlet liner 'O' rings 16. Inlet end-shield Outlet gasket 10. Inlet liner 17. Cold-finger liner Thumbwheels (8 off) 11. Trap inlet elbow 18. Outer liner segment Outlet end-shield 12. Nuts and washers 19. Trap body Cold-finger end-cap 13. -
Page 11: Exploded View Of Liner Components
Outlet liner Trap outlet Trap top-flange Outlet end-shield Inner liner Outer liner segment Cold-finger end-cap Cold-finger liner Cold-finger 10. Lifting-tabs 11. Inlet end-shield 12. Trap base 13. 'O' rings 14. Inlet liner 15. Inlet insulator 16. Trap inlet 17. M6 nuts and washers 18. -
Page 12: Install The New Liners
Install the new liners CAUTION Ensure that you fit the inner liner (Figure 4, item 2) in the correct orientation. If you do not, the pump exhaust gases will not flow correctly through the liners and the trap will not operate effectively. -
Page 13: Refit The Trap
Refit the exhaust trap Refer to Figure 1 in the following procedure. 1. Move the exhaust trap to its operating location. 2. Inspect the trap outlet trapped 'O' ring seal and clamp (3) removed in Section 3.3. If any item is damaged, replace it with a new one. -
Page 14: Leak-Test The Installation
Leak-test the installation WARNING Leak-test the system after installation and seal any leaks found to prevent the leakage of dangerous substances from the system and leakage of air into the system. Leak-test the system after you have installed the trap and seal any leaks found. Dangerous substances could otherwise leak from the system. - Page 15 (This page deliberately left blank) Disposable Liners...
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