Ref
No . Part No .
Description
Qty . per
Cylinder
14.
3899-1X
Adjustable head assembly
1
–
b
Flange
1
–
c
Flange gasket
1
–
d
Flange bolt
1
a
_ denotes material code. See material code
chart for details.
b
Use 1-1/2" ASME Class 1500 RF flange (not
provided).
c
Use 1-1/2" RF flange gasket (not provided).
d
Use 1" - 8 x 3-1/2" hex head bolt (not provided).
e
Registered trademark of the DuPont company.
f
Material code D or K only.
D . Parts Details
Appendix D—Cylinder Head Assembly Details (HG600/THG600 Series)
2 .75" Cylinder Head
WARNING
CAUTION: Always relieve pressure in the
unit before attempting any repairs.
Cylinder—Bill of Materials
Ref
No . Part No .
Description
Qty . per
Cylinder
1.
2-232_
a
O-ring
2
2.
3888
Cylinder
1
3.
3899-1
Adjustable head
1
4.
2-225_
a, f
O-ring
1
5.
3898
Adjusting cup
1
6.
2-227_
a
O-ring
1
7.
3897
Adjusting cap
1
8.
2-127_
a
O-ring
1
9.
3665
Adjusting screw nut
1
10.
7001-050NC150A Bolt (hex head, 1/2"–13 x 1-1/2")
16
11.
3698
Nameplate
1
12.
7012-006SE019E
Drive screw
2
13.
3442
Pipe plug (1/4")
5
Adapter
(see packing assembly for details)
1
2
1
3
4
6
13
10
13
7
12
11
9
8
14
5
Available with adjustable head configuration only
10
Torque to 65 ft.-lbs.
Crankcase side
Head side
Material Code
A
Buna-N
B
Neoprene
®e
D
Viton
®e
E
PTFE
K
Kalrez
®e
51
