Appendix B—Specifications for HG600/THG600 Series
X and Y Dimension–Inches (mm)
Piston Size
2 .75"
3 .25"
4"
5"
6"
8"
Plain style
Bottom minimum clearance (Y)
0.010 (0.25)
0.010 (0.25)
0.010 (0.25)
0.010 (0.25)
0.010 (0.25)
0.010 (0.25)
Bottom maximum clearance (Y)
0.020 (0.51)
0.020 (0.51)
0.020 (0.51)
0.020 (0.51)
0.020 (0.51)
0.020 (0.51)
Top minimum clearance (X)
0.040 (1.02)
0.083 (2.11)
0.083 (2.11)
0.083 (2.11)
0.083 (2.11)
0.088 (2.24)
Top maximum clearance (X)
0.065 (1.65)
0.093 (2.36)
0.093 (2.36)
0.093 (2.36)
0.093 (2.36)
0.098 (2.49)
T-Style
Bottom minimum clearance (Y)
0.005 (0.13)
0.005 (0.13)
0.005 (0.13)
0.005 (0.13)
0.005 (0.13)
0.005 (0.13)
Bottom maximum clearance (Y)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
Top minimum clearance (X)
0.030 (0.76)
0.073 (1.85)
0.073 (1.85)
0.073 (1.85)
0.073 (1.85)
0.078 (1.98)
Top maximum clearance (X)
0.055 (1.46)
0.083 (2.11)
0.083 (2.11)
0.083 (2.11)
0.083 (2.11)
0.088 (2.24)
Bottom of piston
Top of packing
box cartridge
(Y)
Adapter
Cylinder
Top of piston cap
(X)
Bottom of head
Cylinder
Adapter
Piston body
Shim washer
Piston Clearance—Top Dead Center (3 .25" cylinder shown)
Piston Clearance—Bottom Dead Center (3 .25" cylinder shown)
46