Lycoming SERVICE TABLE OF LIMITS AND TORQUE VALUE RECOMMENDATIONS(54)

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°
(Measured at Axis 30 on Each Side)
Connecting Rod -Side Clearance
Connecting Rod -Alignment Connecting Rod -Twist
Crankshaft Run-Out at Center
Main Bearings
Mounted on No. 1 and 4 Journals Max. Run-Out No.2 and 3 Journals Mounted on No. 1and 3 Journals
Max. Run-Out No. 2 Journal
Mounted on No. 2 and 4 Journals Max. Run-Out No. 3 Journal Crankshaft and Crankcase Front
End Clearance
Crankshaft Propeller Flange Run-Out Crankshaft Timing Gear and
Crankshaft Tappet Body and Crankcase
Mfr. 
Min.  Serv. 
&  Max. 
Max. 

2.3745 
2.376  (E) 
2.566 
2.567  2.5685 
2.6865 
2.6875  2.6890 
2.1235 
2.125  (E) 
2.2870 
2.2875 

Mfr. Min. & Max.  Serv. Max. 
.0015L .0045L  .0060L 
.0011L .0041L  .0050L 
.0011L .0041L  .0050 
.0015L .0045L  .0050 

.0008L .0038L .0050L
.004L .010L .016L .010 in 10 Inches .012 in 10 Inches
.005
.003
.003
.006L .015L
.002
.0000 .0015T
.0010L .0033L
.0075 .0045 .0045 .025L .005
(A)
.004L

4-1

SERVICE  TABLE  OF  LIMITS 
PART IV VERTICAL ENGINES 
SECTION 1 CRANKCASE,  CRANKSHAFT  AND CAMSHAFT 
Ref.  Ref.  Chart  Nomenclature 
New  Old 
511  ALL  0. D. of Tappet 
..ALL  I. D. Tappet Bore in 
Crankcase 
512  ALL  Tappet Plunger Assembly 
and Body -Hyperbolic  .0087L 
513  ALL  Tappet Socket and Body 
(Hyperbolic)  .009L 
514  ALL  Camshaft and Crankcase 
.006L 
515  ALL  Camshaft  -End Clearance 
.015L 
516  5  ALL  Camshaft  Run-Out  at Center 
Bearing Journal  .006 
517  V  Counterweight  Bushing and 
Crankshaft  (A) 
518  Counterweight  Roller -End 
.038L 
.003L 
.013L  .017L 
.0002L 
.0030L  (A) 
.7485 
.7505  .7512 
.5255 
.5260 
.0002T 
.0015T  (A) 

SERVICE TABLE OF LIMITS

PART IV VERTICAL ENGINES
SECTIONI CRANKCASE, CRANKSHAFTAND CAMSHAFT

Crankcase, Crankshaft, Bearings, Camshaft and Counterweights
SERVICE TABLE OF LIMITS
PART IV VERTICALENGINES
SECTIONI CRANKCASE, CRANKSHAFTAND CAMSHAFT
Longitudinal Section Thru Engine
Camshaft,Tappet Body and Crankshaft
　
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