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TM 10-3930-644-14&P
CONTINENTAL ENGINE
TOPIC 1. FITS AND TOLERANCES
DESCRIPTION
F135
F163
Piston Diameter ......................................................................................................................................
3.4372-3.4392
Cylinder Diameter ...................................................................................................................................
3.4395-3.4375
Wear Limits-Cylinder Bore .....................................................................................................................
008
Piston Pin Hole Diameter........................................................................................................................
.8597-.8595
Top Ring Groove Width ..........................................................................................................................
.081-.080
Maximum Wear Limit Width ....................................................................................................................
.083
Second And Third Rings Groove Width ..................................................................................................
.0965-.0955
Maximum Wear Limit Width ....................................................................................................................
.0985
Fourth Ring Groove Width. ...................................................................................................................
.2515-.2505
Maximum Wear Limit Width ....................................................................................................................
.2535
Piston Fit-Feeler Gauge..........................................................................................................................
.003
Lbs. Pull .................................................................................................................................................
5-10
B. PISTON RINGS
Top Ring Width .......................................................................................................................................
.078-.077
Wear Limits-Minimum Width ..................................................................................................................
.075
Second and Third Rings Width ..............................................................................................................
.0930-.0925
Wear Limits-Minimum Width ...................................................................................................................
.0905
Fourth Ring Width ...................................................................................................................................
.248-.244
Wear Limits-Minimum Width ...................................................................................................................
.0242
Top Ring Gap Clearance .......................................................................................................................
.008-.018
Second and Third Rings Gap Clearance................................................................................................
.008-.018
Fourth Ring Gap Clearance....................................................................................................................
.015-.055
Top Ring Side Clearance........................................................................................................................
.002-.004
Second and Third Rings Side Clearance................................................................................................
.0025-.0040
Fourth Ping Gap Clearance....................................................................................................................
.0025-.0075
C. CONNECTING RODS
Bushing Hole Diameter ...........................................................................................................................
.914-.913
Bearing Hole Diameter ...........................................................................................................................
2.1870-2.1865
Bearing Thickness ..................................................................................................................................
.0616-.0613
Wear Limits-Minimum Thickness............................................................................................................
.0608
Crank Pin Diameter.................................................................................................................................
2.0627-2 0619
Wear Limits-Minimum Diameter..............................................................................................................
2.0609
Clearance Limits .....................................................................................................................................
.0006-.0022
Desired Clearance..................................................................................................................................
.0015
Wear Limits-Maximum Clearance...........................................................................................................
.0032
Side Play.................................................................................................................................................
.010-.006
Desired Side Play ...................................................................................................................................
.006
D. PISTON PIN
Length.....................................................................................................................................................
2.878-2.868
Diameter .................................................................................................................................................
.8593-.8591
Wear Limits-Minimum Diameter..............................................................................................................
.8588
Desire Fit.................................................................................................................................................
Light Push
Bushing Hole Diameter - Fin ...................................................................................................................
.8597-.8595
Wear Limits-Maximum Diameter.............................................................................................................
.8607
Pin Clearance in Bushing........................................................................................................................
.0006-.0002
Desired Pin Fit.........................................................................................................................................
.0004
NOTE
Where no specification is listed for the F163 engine it is identical to the
specification for the F135 engine.
R-104-1
3-1B

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