TechnipFMC TRIPLEX M06 - 12.0 Critical Clearances

Doc No: OMM50001243
Rev: C Page 58 of 68
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12.0 Critical Clearances
When maintenance requiring disassembly of the power end is performed, the following
clearances should be checked to see if they are within factory specification or within
maximum allowable limits. Additional clearance is allowed for component wear. This
additional clearance is a maximum of .002 inches of total diametral wear that can be
added to the clearance values in Table 6. For radial clearance, use ½ of the total
diametral value.
All dimensions are shown in Inches.
Table 8: Clearance Chart
DESCRIPTION
M06
Crankshaft Throw Diameter (Stroke)
1.50
Crankshaft Pin or Journal (OD)
2.311/2.312
Connecting Rod / Crank Clearance (Max. Total)
0.003
Crosshead Diameter (OD)
2.124/2.125
Crosshead Cylinder Bore (ID)
2.126/2.128
Crosshead to Bore Clearance (Max. Total)
0.004
Wrist Pin Bushing Bore (ID)
.8755/.8765
Wrist Pin to Bore Clearance (Max. Total)
0.002
NOTE: Clearances shown are total diametric values: For radial clearance use ½ the
value shown.
Metric Conversion: 1 inch = 25.4 mm
1 mm = 0.03937 inches
25 microns (μm) = .001 inches