Service Manual
ONAN E125 V, E140V ENGINE SERVICE MANUAL
Table of Contents – Page 3 of 3
SECTION 11. ENGINE BLOCK ASSEMBLY –CON’T
VALVE SYSTEM
TAPPETS
DISASSEMBLY
INSPECTION/SERVICE
VALVE STEM AND VALVE GUIDE CLEARANCE:
VALVE GUIDE REPLACEMENT:
ASSEMBLY
VALVE SPRING:
VALVE FACE AND SEAT GRINDING
INSPECTION/SERVICE
VALVE SEAT WIDTH:
VALVE SEAT CUTTING:
VALVE CLEARANCE:
OIL BASE
DISASSEMBLY
ASSEMBLY
GOVERNOR
BALANCING SHAFTS
DISASSEMBLY
OIL BASE BEARING TO SHAFT CLEARANCE:
ASSEMBLY
CRANKSHAFT AND CAMSHAFT
DISASSEMBLY
INSPECTION/SERVICE
CRANKSHAFT JOURNAL:
CAMSHAFT LOBE HEIGHT:
OIL BASE BEARING TO CAMSHAFT CLEARANCE:
ASSEMBLY
COMPRESSION RELEASE SYSTEM
PISTON, PISTON PIN, RINGS, CONNECTING ROD
DISASSEMBLY
PISTON INSPECTION
PISTON INSPECTION:
PISTON PIN HOLE INSIDE DIAMETER:
PISTON PIN OUTSIDE DIAMETER:
PISTON RING AND RING GROOVE CLEARANCE:
CONNECTING ROD SMALL END INSIDE DIAMETER:
CONNECTING ROD TO CRANKSHAFT JOURNAL OIL CLEARANCE:
CONNECTING ROD SIDE CLEARANCE:
ASSEMBLY
CYLINDER BLOCK
CLEANING
INSPECTION
REBORING THE CYLINDER
HONING CYLINDER (USING PRECISION HONES)
DEGLAZING CYLINDER BORE
BALL BEARINGS
OIL SEAL