CYLINDER HEADS JOB

(5 hrs)

HEADS HAS BEEN DEGREASED BEFORE FOR A CLEAN STRIPPING APPART

REMOVED VALVES, SPRINGS, SHIMS, STEM SEAL, READY FOR A GUIDES & VALVES CHECK

EXHAUST VALVES

AFTER BRUSH, HERE IS A PITTED EXHAUST VALVE.

ALL OF THEM, PRESENTS THE SAME SIGNS.

THEY'LL BE RECUT WITH NEW GUIDES PROVIDE.

 THE 6 GUIDES HAS THEY WEAR LIMITS REACHED.

THE SEATS WILL BE RECUT TOO.

INTAKE VALVES

THE INTAKE VALVES SEALING SURFACES ARE JUST PERFECT AND GUIDES HAS ALMOST NO PLAY,  JUST A SEATS RECUT WILL BE DONE FOR THOSE ONES.

DISLODGE THE EXHAUST VALVES GUIDE

HEAD ON THE BURNER GAZ

USING A APPROPRIATE DRIFT WILL FACILITATE THE JOB TO PRESS OUT THE GUIDE PROPERLY.

HEADS WAITING FOR THEIR NEW EXHAUST GUIDES

Labor : 5h

PARTS PREPARATION & CONTROL

(7 hrs)

MEASUREMENT OF THE CRANKSHAFT LINE

SOFT MATING SURFACE STRAIGHTEN FOR ELIMINATION OF DIRTS AND GLUE.

AFTER A COMPRESSED AIR SESSION AND A PERFECT MATING SURFACES,  BOTH HALF CRANKCASE GET ASSEMBLED WITHOUT ANY BEARINGS, EXCEPT THE N°8 BEARING IN PLACE WITHOUT THE CENTER PIN.

WRENCH SET UP AT 5 Kg.m / 50 N.m

3.6L ENGINE REQUIRED : 

5 Kg.m / 50N.m FOR THE M10 BOLTS & NUTS.

 2.5 Kg.m / 25 N.m FOR THE M8 ONES AROUND THE FLYWHEEL AND PULLEY AREAS.

GENTLY TIGHTEN FIRST GENERALLY

 STARTING FROM THE CENTER (N° 4 BEARING) 

(with a long piece of wood tap the n°8 bearing out of his place before tightening around it)

EVERYBODY NICELY TO TORQUE SPEC.

SETTING THE MEASUREMENT TOOLS 

OUT OF SPEC., 

NEED TO BE MACHINED FOR A 0.25mm OVERSIZED BEARINGS BORE

RODS CHECK

CON ROD ASSEMBLED WITHOUT BEARINGS

WRENCH SET UP AT 5 Kg.m / 50 N.m

Labor : 7h

ENGINE PARTS CLEANING

(6 hrs)

Labor: 6h