14
14
17
17
16
16
16
20
14 17
16
18
16
19
21
Inner packing
Outer packing
RT
RT
RT
Inner oil wiper ring set
1
2
10
9
14
12
15
13
1
3
2
4
5
4
5
2
6
7
8
9
10
11
21
sTT
TT
TTs
65 ft. lb.
65 ft. lb.
O-ring locations
5" adapter
TT = Tangent, tangent packing
TTs = Biased tangent, tangent with springs on cylinder side
sTT = Biased tangent, tangent with springs on crankcase side
RT = Radial, tangent packing
Appendix D—Packing Assembly Details for HG600 Series (Plain Style)
5" Purge Packing Specification
Material Code
A
Buna-N
B
Neoprene
®e
D
Viton
®e
E
PTFE
K
Kalrez
®e
Ref
No . Part No .
Description
Qty .
15.
3814
b
Segmented packing ring
(tangent, tangent—pair)
1
16.
3817
Packing cup
5
2-036_
a, d
O-ring
5
17.
3810
b
Segmented packing ring (radial,
tangent—pair)
3
18.
3815
Pressure breaker ring
1
19.
5321
Packing cartridge cap
1
20.
7002-010NC075A
f
Bolt (socket head, 5/16"–18" x 3/4")
4
21.
4273-X2
Packing set
1
a
See detail for O-ring location.
b
Direction of packing is important. See packing assembly page for details.
c
Direction of oil wiper ring set is important. See packing assembly page
for details.
d
_ denotes material code. See material code chart for details.
e
Registered trademark of the DuPont company.
f
Apply a small amount of Loctite #272 to the circumference of the threads.
Packing Assembly—Bill of Materials
Ref
No . Part No .
Description
Qty .
1.
2-253_
a, d
O-ring
1
2.
2-236_
a, d
O-ring
2
3.
5291-1
Adapter
1
4.
7001-050NC150A Bolt (hex head, 1/2"–13 x 1-1/2")
16
5.
3442
Pipe plug (1/4")
Varies
6.
5298
Packing cartridge body
1
7.
3816
c
Oil wiper ring set (two per set)
1
8.
4270
Oil wiper ring cup
1
9.
4273
Biased segmented packing set
(tangent, tangent—includes 2 TT
pairs, 2 iron backup rings, and
12 springs)
1
10.
4271
Purge packing cup
2
2-036_
a, d
O-ring
2
11.
4285
Cup spacer
1
12.
2-228_
a, d
O-ring
1
13.
4272
Packing spacer
1
14.
3811
Back-up ring
4
NOTE: Cover the end of the piston rod with packing cone (part #3905) before
installing packing. For lubricated compressors, the lubricating quill located on
the adapter must be removed before packing cartridge can be removed.
Crankcase side
Cylinder side
65
