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15-600 Page 28
SECTION 4
DIMENSIONS & RUNNING CLEARANCES
PZG
PZH
RECOMMENDED RUNNING CLEARANCES
Inches
mm
Inches
mm
Min
Max
Min
Max
Min
Max
Min
Max
(AFTER ASSEMBLY)
Crosshead to slide
.020
.037
.508
.940
.020
.037
.508
.940
Main Bearing
.001
.004
.025
.102
.003
.006
.076
.152
Jackshaft Bearing
.001
.006
.025
.152
.002
.006
.051
.152
Crosshead Pin Bearing
.001
.006
.025
.152
.001
.005
.025
.127
Connecting Rod to Eccentric Bearing
.001
.011
.025
.279
.002
.010
.051
.254
Oil Pump Pinion to Main Gear – Backlash
.010
.015
.254
.381
.010
.015
.254
.381
Jackshaft to Main Gear - Backlash
.010
.015
.254
.381
.010
.020
.254
.508
MANUFACTURING FITS
Jackshaft Bearing OD in Housing
.0013
.0017
.0330
.0432
.0007
.0031
.0178
.0787
Tight
Loose
Tight
Loose
Tight
Loose
Tight
Loose
Jackshaft Bearing on Shaft
.0017
.0037
.0432
.0940
.0020
.0043
.0508
.1092
Tight
Tight
Tight
Tight
Tight
Tight
Tight
Tight
Connecting Rod to Eccentric Bearing:
OD in Connecting Rod
.004
.000
.102
.000
.0034
.0000
.0889
.0000
Tight
Tight
Tight
Tight
ID on Eccentric
.0072
.0110
.1829
.2794
.0080
.0115
.2032
.2921
Tight
Tight
Tight
Tight
Tight
Tight
Tight
Tight
Crosshead Pin Bearing:
OD in Connecting Rod
.0027
.0000
.0686
.0000
.0022
.0000
.0559
.0000
Tight
Tight
Tight
Tight
ID in Crosshead Pin
.0005
.0025
.0127
.0635
.0005
.0025
.0127
.0635
Tight
Tight
Tight
Tight
Tight
Tight
Tight
Tight
Main Bearing OD in Cartridge
.0002
.0036
.0051
.0914
.0002
.0036
.0051
.0914
Loose
Loose
Loose
Loose
Loose
Loose
Loose
Loose
Main Bearing on Shaft
Tapered Bore
Tapered Bore
Tapered Bore
Tapered Bore
Axial Takeup
Axial Takeup
Axial Takeup
Axial Takeup
.067 Average
1.702 Average
.067 Average
1.702 Average