AGCO ST60A Tractor Service Manual Workshop Guide

AGCO ST60A Service Tractor Manual : 829 Pages Format: PDF Book Number: 79033002 English Description AGCO ST60A Compact Tractor Manual Manual for: AGCO Tractor Format: PDF Book Number: 79033002 English AGCO ST60A Service Tractor Manual : 829 Pages Manual TABLE OF CONTENTS GENERAL INFORMATION ENGINE MAJOR COMPONENTS CLUTCH TRANSMISSION FRONT AXLE REAR AXLE  AND BRAKES HYDRAULICS SYSTEM ELECTRICAL HYDROSTATIC SYSTEM CAB AND AIR CONDITIONING ST60A Manual Extract Intake & Exhaust Valve Mechanism Valve Operation The cam gear is driven by the crankshaft via the crank gear and idle gear. Two turns of the crank gear makes one turn of the cam gear. When the high profile of the cam lobe pushes up the tappet, the valve is pushed down to open via the push rod and the rocker arm.When the tappet comes down on the low profile of the cam lobe, all valve pushing mechanism becomes loose and the valve is pulled up by the force of the valve spring to close. The intake and exhaust valves of respective cylinders are designed to open and close at specified intervals, which is called "Valve Timing