PAR T 1 DIRECT DRIVE ENGINES
SECTIONI CCRANKCASE,CRANKSHAFT,CAMSHAFT
Ref. New Ref. Old Chart Nomenclature Dimensions Mfr. Min. Serv. & Max. Max. Clearances Mfr. Min. Serv. & Max. Max.
508 607 ALL Crankshaft Prop. FlangeRun-Out .002 .005
509 941 ALL Starter Ring Gear and Support .014T .022T (A)
510 504 A-B-D-G-J-S-T-Y-AF 504BD-BE Crankshaft TimingGear andCrankshaft .0005T .0010L (A)
511 536 A-B-D-G-J-S-T-Y-AF Tappet Body and Crankcase .0010L .0033L .004L
536 BD-BE Tappet Body and Crankcase .0010L .0030L .004L
A-B O.D. of Tappet .6232 .6240 .6229
B1-D-G-J-S-T-Y-AFB1-D-G-J-S-T-Y-AF O.D. of Tappet .7169 .7177 .7166
O.D. of Tappet .8740 .8745 .8737
A-B I.D. Tappet Bore in Crankcase .6250 .6263 .6266
B1-D-G-J-S-T-Y-AF I.D. Tappet Bore in Crankcase .7187 .7200 .7203
BD-BE I.D. Tappet Bore in Crankcase .8755 .8773 .8776
512 559 B1-D-G-J-S-T-Y Tappet Plunger Assembly and Body -Chilled .0010L .0047L .0067L
S7-S1-AF Tappet Plunger Assembly and Body -Hyperbolic .0010L .0067L .0087L
513 560 B1-D-G-J-S-T-Y Tappet Socket and Body .002L .005L .007L
S7-S1-AF Tappet Socket and Body (Hyperbolic) .002L .007L .009L
514 537 ALL Camshaft and Crankcase .002L .006L
515 538 ALL Camshaft -End Clearance .002L .009L .015L
516 539 ALL Camshaft Run-Out at Center BearingJournal .000 .006
517 578 518 579 All ModelsUsingCounterweights All ModelsUsingCounterweights Counterweight Bushing and Crankshaft Counterweight Roller -End Clearance .0013T .0026T .007L .025L (A) .038L
519 580 All ModelsUsingCounterweights Counterweight and Crankshaft -Side Clearance* .003L .017L
520 696 All Models Using 696Counterweights 521 775 All ModelsUsingCounterweights Counterweight Bore and Washer O.D. I.D. of CounterweightBushing .7485 .7505 .7512 .0002L .0030L (A)
775 * Measure below roller next to flat.
SSP1776 1-3
SERVICE TABLE OF LIMITS
PART 1 DIRECT DRIVE ENGINES
SECTIONI CRANKCASE, CRANKSHAFT,CAMSHAFT
Ref. Ref. Chart Nomenclature Dimensions Clearance
New Old Mfr. Min. Serv. Mfr. Min. Serv.
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