600 510 AQ-AZ  Connecting Rod and Connecting BushingTo Be Rod Bushing Burnished In Place
AQ-AZ Finished I.D. of Connecting 1.1254
-Rod Bushing 1.1262

601 510 AQ-AZ  Length Between Connecting 6.7485 Rod BearingCenters 6.7515
602 511 AQ-AZ  Connecting Rod Bushing and .0008L Piston Pin .0021L .0025LL
603 512 AQ-AZ Piston Pin and Piston  .0003L .0014L .0018LL
AQ-AZ  Diameter of Piston Pin 1.1249
Hole in Piston 1.1254

AQ-AZ Diameter of Piston Pin 1.1241
.:.....:. 1.1246

604 513 AQ-AZ Piston and Piston Pin Plug  .0002L .0010L .002L
AQ-AZ *Diameter of Piston Pin Plug  1.1242
1.1247

605 513 AQ-AZ  Piston Pin and Piston Pin Plug -Nitrided and Chrome .0005L Cylinders .0025L .005L
AQ-AZ *Diameter of Piston Pin Plug  .5655
.5665

* See latest edition of Service Instruction No. 1267.
606 514 AQ-AZ  Piston Ring and Piston -Side .0025L Clearance (Top Ring Comp.) .0055L .008L(B)
606 515 AQ-AZ  Piston Ring and Piston -Side .000L
Clearance (2nd Ring Comp.) .004L  .006L
(B)
606 516 AQ-AZ  Piston Ring and Piston -Side .002L Clearance (OilRegulating) .004L .006L(B)
607 :615  AQ-AZ Piston Ring Gap (Compression) Chrome Cylinders .020 (Straight Barrels) .030 .047
AQ-AZ  Piston Ring Gap (Compression)Nitrided and Chrome Cylinders .045 (Choke Barrels) .055 .067
AQ-AZ  Piston Ring Gap (Oil Regulating) .015 (All Barrels) .030 .047
For Choke Barrels -Ring gap is measured within 4 inches from bottom. Ringgap at top of travel must not be less than .0075.
For all Other Barrels -Ring gap is measured at top limit of ring travel.
SSP1776
2-7
SERVICE TABLE OF LIMITS

PART II INTEGRAL ACCESSORY DRIVE ENGINES
SECTION II CYLINDERS
Ref. Ref.
Chart  Nomenclature Dimensions Clearances
Mfr. Mfr. New Old
Min. Serv. Min. Serv. & Max. & Max. Max. Max.
eter
EngineandPistonApplication Min.PistonDiameter  CylinderBarrel
Max.
Clearance EngineChart Typeof Maximum PistonSkirt CodeLetter PistonNumber Top tom Surface Diameter & Cyl.
Bottom Typeof Piston
608 519 AQ,AZ 76966,LW-10545 5.0790 5.1090190 Forged-Cam N-C 5.1305 .018L
608 :522 609 520 610 521
NOTES:
To find the averagediameterof cylinderin anarea4" above bottom of barrel: First, measurediameterat right anglesfrom plane in which valvesare located.Second,measure diameterthroughthe planein whichvalvesarelocated.Add both diameters;thissum,dividedby 2, representstheaveragediameterof the cylinder.
ylinderBarrel:N=nitridehardened,C=Chromeplated.
To find the averageout-of-round, measurediameterof cylinderin anarea4" abovebottomof barrel:First,measure diameterat right anglesfrom plane in which valvesare located. Second,measurediameterthrough the plane in whichvalvesarelocated.Differencebetweendiametersmust not exceed.0045inch.
　
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