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1. Equipment Assembly El Segundo Refinery
© ChevronTexaco 2003
Opening and Closing “A” Style
Breech Lock Exchangers

2. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Agenda
• Opening Up An “A” Style
Breech Lock
• Closing An “A” Style Breech
Lock

3. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Struthers Type A
Struthers Wells
Breech Lock
Type "A"
Vent
1.
2.
3.
4.
5.
6.
7.
8. 9.
10.
11.
12. 13.
14.
15.
16.
17.
18.
19.
"B"
"A"
1. TubeSheet to Shell Gasket
2. Tube Sheet
3. Channel Partition Assembly
4. Packing GlandAssembly
5. Packing GlandAssembly Cover
6. Partion Cover Gasket 1/8" Thick Asbestos
7. Partion Cover Plate
8. Internal Flange
9. 3 Piece Split Ring (Key Ring Assembly)
10. Internal Flange Jack Screw
11. Internal Sleeve
12. Diaphragm (Seal Plate) Gasket
13. Diaphragm (Seal Plate)
14. Back Up Ring (Compression)
15. Compression Ring
16. Channel Cover
17. Channel Cover Jacking Screws
18. Threaded Locking Ring
19. Threaded Locking Ring Jack Screw
Outlet

4. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Meet Jack

5. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Follow Written Procedure, Which Must Be At
The Exchanger While It Is Being Worked On

6. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Dedicated Box to Hold Parts

7. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Record Distance Channel Cover Sticks Out
and Index Mark Lock Ring Location

8. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Lock Ring Stud Removal

9. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Channel Cover Stud Removal

10. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Lock Ring Pill (Push Rod) Removal

11. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Channel Cover Pill (Push Rod) Removal

12. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Install Grease Fitting

13. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Inject ½ Tube of Grease Per Fitting

14. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
It takes a lot of Grease to Fill Annulus

15. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Leave Stud Exposed For Crain Sling

16. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Connect Jig And Try Unscrewing Lock Ring
By Hand

17. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Using Crain and Sling to Unscrew Lock Ring

18. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Using Crain and Sling to Unscrew Lock Ring

19. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Unscrew the Lock Ring with an Extension Arm

20. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
If the Extension Arm Wont Work
• Keep Tension On Lock Ring
• Pack the Channel Cover with Ice
• Heat the Channel Rapidly
• Lock Ring Should “Pop” at 400F

21. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Check To Be Sure The Inner Compression
Ring Sits At Least 1/8 Inch Inside The Groove
Must Not Be Flush
Must Be Recessed

22. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Protect the ACME Threads with Sheet-Metal

23. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Remove Compression Ring Set Screws

24. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Remove Diaphragm

25. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Install a Cover To Protect Bottom Channel
Line

26. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Record The Average Size Of the Dimples

27. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Remove Partition Cover Plate and Leak
Check Tubes (If needed)

28. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
channel gasket retainer plate
d1 – d2 Measurement
Struthers Wells
Breech Lock
Type "A"
Vent
1.
2.
3.
4.
5.
6.
7.
8. 9.
10.
11.
12. 13.
14.
15.
16.
17.
18.
19.
"B"
"A"
1. TubeSheet to Shell Gasket
2. Tube Sheet
3. Channel Partition Assembly
4. Packing GlandAssembly
5. Packing GlandAssembly Cover
6. Partion Cover Gasket 1/8" Thick Asbestos
7. Partion Cover Plate
8. Internal Flange
9. 3 Piece Split Ring (Key Ring Assembly)
10. Internal Flange Jack Screw
11. Internal Sleeve
12. Diaphragm (Seal Plate) Gasket
13. Diaphragm (Seal Plate)
14. Back Up Ring (Compression)
15. Compression Ring
16. Channel Cover
17. Channel Cover Jacking Screws
18. Threaded Locking Ring
19. Threaded Locking Ring Jack Screw
Outlet
d1
d2
internal ring

29. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
d1 – d2 Measurement

30. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
d1 – d2 Measurement

31. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
channel gasket retainer plate
d1 – d2 Measurement
Struthers Wells
Breech Lock
Type "A"
Vent
1.
2.
3.
4.
5.
6.
7.
8. 9.
10.
11.
12. 13.
14.
15.
16.
17.
18.
19.
"B"
"A"
1. TubeSheet to Shell Gasket
2. Tube Sheet
3. Channel Partition Assembly
4. Packing GlandAssembly
5. Packing GlandAssembly Cover
6. Partion Cover Gasket 1/8" Thick Asbestos
7. Partion Cover Plate
8. Internal Flange
9. 3 Piece Split Ring (Key Ring Assembly)
10. Internal Flange Jack Screw
11. Internal Sleeve
12. Diaphragm (Seal Plate) Gasket
13. Diaphragm (Seal Plate)
14. Back Up Ring (Compression)
15. Compression Ring
16. Channel Cover
17. Channel Cover Jacking Screws
18. Threaded Locking Ring
19. Threaded Locking Ring Jack Screw
Outlet
d1
d2
internal ring

32. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Record the Height of the Jack Screw Heads
Above the Inner Flange Face

33. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Remove Jack Screws From Internal Flange

34. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Push Internal Flange In

35. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Remove Split Ring

36. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Remove Internal Flange

37. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Remove Internal Packing Gland If Possible

38. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Top of Channel is Smooth

39. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Remove Internal Partition Assembly

40. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Lift The Internal Partition Out

41. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Record The Distance From The Tubesheet
Face to the Channel Face

42. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Install Eye In Tubesheet and Pull Bundle

43. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Protect The Tubes When Lifting The Bundle

44. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Bundle Extraction Truck

45. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Clean Parts That Are To Be Re-Used. ALL
Threads MUST BE Chased

46. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Do Not Use Pliers On Jack Screws

47. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Clean the ACME Threads

48. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Install The CMG or Kamprofile Tubesheet
Gasket on the Back of the Tubesheet

49. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Install Lamaflex Seal Strips and Bend
Towards the Inlet Line

50. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Install The Bundle

51. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Level The Bundle

52. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Check Bundle For Level and Measure to
Make Sure It Is In All The Way

53. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Check Packing Ring To Make Sure It Fits
Easily Up Into Partition

54. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Install Partition Assembly

55. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Install Partition Inner Flange

56. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Install Split Ring

57. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Install Internal Flange Jack Screws, Check
Height and Torque per Written Instructions

58. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Form Packing Ring To Stuffing Box Gland
and Install

59. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Install Partition Gasket

60. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Install Partition Cover and Inner Ring

61. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
channel gasket retainer plate
d1 – d2 Measurement
Struthers Wells
Breech Lock
Type "A"
Vent
1.
2.
3.
4.
5.
6.
7.
8. 9.
10.
11.
12. 13.
14.
15.
16.
17.
18.
19.
"B"
"A"
1. TubeSheet to Shell Gasket
2. Tube Sheet
3. Channel Partition Assembly
4. Packing GlandAssembly
5. Packing GlandAssembly Cover
6. Partion Cover Gasket 1/8" Thick Asbestos
7. Partion Cover Plate
8. Internal Flange
9. 3 Piece Split Ring (Key Ring Assembly)
10. Internal Flange Jack Screw
11. Internal Sleeve
12. Diaphragm (Seal Plate) Gasket
13. Diaphragm (Seal Plate)
14. Back Up Ring (Compression)
15. Compression Ring
16. Channel Cover
17. Channel Cover Jacking Screws
18. Threaded Locking Ring
19. Threaded Locking Ring Jack Screw
Outlet
d1
d2
internal ring

62. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
d1 – d2 Measurement

63. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
d1 – d2 Measurement

64. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
channel gasket retainer plate
d1 – d2 Measurement
Struthers Wells
Breech Lock
Type "A"
Vent
1.
2.
3.
4.
5.
6.
7.
8. 9.
10.
11.
12. 13.
14.
15.
16.
17.
18.
19.
"B"
"A"
1. TubeSheet to Shell Gasket
2. Tube Sheet
3. Channel Partition Assembly
4. Packing GlandAssembly
5. Packing GlandAssembly Cover
6. Partion Cover Gasket 1/8" Thick Asbestos
7. Partion Cover Plate
8. Internal Flange
9. 3 Piece Split Ring (Key Ring Assembly)
10. Internal Flange Jack Screw
11. Internal Sleeve
12. Diaphragm (Seal Plate) Gasket
13. Diaphragm (Seal Plate)
14. Back Up Ring (Compression)
15. Compression Ring
16. Channel Cover
17. Channel Cover Jacking Screws
18. Threaded Locking Ring
19. Threaded Locking Ring Jack Screw
Outlet
d1
d2
internal ring

65. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Attached Diaphragm to Compression Ring

66. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Install Diaphragm Gasket Using Spray
Adhesive

67. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Install Diaphragm and Compression Ring

68. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Apply Anti-Seize to the Channel Cover

69. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Coat Both Sets of AMCE Threads With Anti-
Seize

70. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Apply Anti-Seize to the ID of the Outer
Compression Ring

71. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Put Lock Ring Onto Channel Cover

72. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Install Jig

73. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Lift Channel Cover and Lock Ring Into Place

74. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Mark Location Where First Thread Starts
and Install Channel Cover and Lock Ring

75. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Re-Check Distance Channel Cover Sticks Out
And Check Index Marks For Alignment

76. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Use Anti-Seize on Push Rods

77. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Use LOTS of Anti-Seize on Jack Screws

78. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Stud Can Be Run Down With An Impact As
Long They Are Finger Checked Afterwards

79. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Remove Jig Studs

80. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Torquing Pattern
100%
100%
First Pass:
Hand
Tighten All
Studs For
Alignment
Second
Pass:
Torque 4
Studs To
100%
3
2
4
1
Third
Pass:
Torque All
Studs To
100% in
Circular
Pattern
Fourth
Pass:
Torque All
Studs To
100% in
Circular
Pattern

81. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Torque Lock Ring Studs Using A Circular
Pattern

82. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Torque Channel Cover Studs Using A
Circular Pattern

83. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Loosen Jack Screws, Re-Tighten Lock Ring,
Re-tighten Jack Screws in Circular Pattern

84. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Hot-Torque Lock Ring & Channel Cover
When The Temperature is 250F to 400F

85. Equipment Assembly El Segundo Refinery
Breech Lock Exchangers, “A” Style
Questions?
David W. Reeves, El Segundo, CA, dree@ChevronTexaco.com