Corken D791 - Page 43

V-ring
Packing
Direction
Middle Packing
Specification
“F”
13
14
15
To Crankcase
13
14
15
To Crankcase
Lower Packing
Specification
“F”
Tangent
Tangent
Tangent
Tangent
Tangent
Tangent
Tangent
Tangent
Upper
Segmented
Packing
Set
11
14
12
15
16
11
17
11
12
1
2
3
8
18
9
10
13
14
19
15
13
4
7
6
7
3
4
7
6
6
7
6
3
4
11
10
10
11
Lower
V-ring
Packing
Set
19
Middle
V-ring
Packing
Set
PTFE Locking Device
3
4
20
Appendix E—T791 and T891 Packing Assembly Details
Packing Assembly Bill of Materials
Ref
No.
Part No. Description
1.
3886 Packing barrel (3-1/4")(791 second stage)
3887 Packing barrel (6")(791 rst stage)
3926 Packing barrel (4-1/2")(891 only)
2. 3906 Crush gasket
3. 3817
Packing cup (Not included in 3810-X1
packing set)
4. 2-036_
a,c,d
Cup O-ring
5. 3810
Segmented packing
(radial—tangent) pair
6. 3811 Back-up ring
7. 3814
Segmented packing
(tangent—tangent) pair
8. 474 8 Packing adapter
9. 7002-025OC100A Screw (1/4-20 x 1" socket head)
10. 5000-175 Retainer ring
11. 1728 Washer
12. 1731 Spring
13. 1724 Male packing ring
14. 1725 V-ring packing
15. 1723 Female packing ring
16. 4746 Cartridge
17. 1722-X Adjusting screw
18. 3810-X1
d
Segmented packing set
19. 1725-2X V-ring packing set
20. 1732 Oil deector ring
Identification of Packing Specification
Example: Model Number T891 G L4FBDNSNC
Packing Spec.
IMPORTANT: Identify and line up the rings before installing. Be sure
they face the way shown here and that the pin and hole are aligned
when assembled.
a
_ denotes O-ring code. See O-ring chart for details.
b
Deflector ring is loose within the packing cartridge until fitted on the
piston rod. Must be put in from the bottom of the cartridge.
c
Starting with S.N. NN51397.
d
Packing cup O-ring not included in packing set.
e
Registered trademark of the DuPont company.
To Crankcase
Piston (Pressure) Side
Radial Cut
(without pin)
Segmented Packing for
Specification “F” & “G”
Tangent Cut
(with pin)
Back-up
ring
To Crankcase
Piston (Pressure) Side
Tangent Cut
(without pin)
Segmented packing for
Specification “F”, “G”, & “H”
Tangent Cut
(with pin)
Back-up
ring
Align pin
with hole
Align pin
with hole
Specification “F”
O-ring Code
A Buna-N
B Neoprene
®e
D Viton
®e
E PTFE
K Kalrez
®e
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