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