GLEANER A66 Bedienungsanleitung

Part Number 79032998 A Rev. (English)

Printed in U.S.A.

August 2008

Gleaner®

A66 / A76

Rotary Combine

SERVICE MANUAL

79032998 A Rev.

CONTENTS

GENERAL INFORMATION ....................................................................................................................................01

SPECIFICATIONS..................................................................................................................................................02

ENGINE WORKSHOP MANUAL ........................................................................................................................03A

ENGINE - DRIVES, COOLING AND FUEL.........................................................................................................03B

MATERIAL HANDLING..........................................................................................................................................04

MATERIAL DISCHARGE.......................................................................................................................................05

REAR AXLE ...........................................................................................................................................................06

THRESHING AND SEPARATING..........................................................................................................................07

FRONT AXLE.........................................................................................................................................................08

HYDRAULICS.....................................................................................................................................................................09

ELECTRICAL......................................................................................................................................................................10

ELECTRONICS...................................................................................................................................................................11

CAB AND HVAC.................................................................................................................................................................12

GRAIN HEADER.................................................................................................................................................................13

CORN HEADER..................................................................................................................................................................14

RESERVED.........................................................................................................................................................................15

79032998 A Rev. 01-i

Contents

Gleaner®

A66 / A76

Rotary Combine

SERVICE MANUAL

79032998 A Rev.

01 - General Information

Contents

SAFETY

Safety Alert Symbol ....................................................................................................................................... 01-1

Signal Words ................................................................................................................................................. 01-1

Shields and Latches ...................................................................................................................................... 01-7

Header Lift Cylinder Stop ............................................................................................................................... 01-8

Rear Hook ...................................................................................................................................................... 01-9

Travel On Public Roads ................................................................................................................................. 01-9

GENERAL INFORMATION

Machine Main Components ......................................................................................................................... 01-11

How A Combine Works ................................................................................................................................ 01-12

Cutting and Feeding .............................................................................................................................. 01-12

Threshing and Separating ..................................................................................................................... 01-12

Cleaning ................................................................................................................................................ 01-13

Combine Identification ................................................................................................................................. 01-14

Machine Serial Number ......................................................................................................................... 01-14

Engine Serial Number ........................................................................................................................... 01-14

Fuel Injection Pump Dataplate .............................................................................................................. 01-15

ECM Dataplate ...................................................................................................................................... 01-15

Transmission Serial Number ................................................................................................................. 01-15

Final Drive Serial Number ..................................................................................................................... 01-16

Headers ....................................................................................................................................................... 01-16

Lubrication and Maintenance ....................................................................................................................... 01-17

Lubricants .................................................................................................................................................... 01-17

Service Procedures ..................................................................................................................................... 01-17

Service Periods ............................................................................................................................................ 01-17

Lubrication and Maintenance ....................................................................................................................... 01-18

Lubrication Details ....................................................................................................................................... 01-24

Front of Combine ................................................................................................................................... 01-26

Left-hand Side ....................................................................................................................................... 01-28

Right-hand Side ..................................................................................................................................... 01-30

Rear Axle ............................................................................................................................................... 01-32

Auto Lube .................................................................................................................................................... 01-33

Auto Lube Intervals ............................................................................................................................... 01-34

Auto Lube Diagnosis ............................................................................................................................. 01-36

Engine .......................................................................................................................................................... 01-37

Type of Engine Oil ................................................................................................................................. 01-37

Viscosity ................................................................................................................................................ 01-37

Oil Additives .......................................................................................................................................... 01-37

Checking Oil Level ................................................................................................................................ 01-38

Changing Engine Oil and Filters ............................................................................................................ 01-38

Rotor Gearbox ............................................................................................................................................. 01-40

Transmission ............................................................................................................................................... 01-40

Checking and Changing Lubricant ........................................................................................................ 01-40

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01-ii 79032998ARev.

Contents

Brakes .......................................................................................................................................................... 01-41

Master Cylinder Oil Reservoir ............................................................................................................... 01-41

Bleeding Brake System ......................................................................................................................... 01-41

Final Drive .................................................................................................................................................... 01-42

Tires and Wheels ......................................................................................................................................... 01-43

Tire Pressure ......................................................................................................................................... 01-43

Dual Tires .............................................................................................................................................. 01-43

Maintenance of Tires ............................................................................................................................. 01-43

Removing Wheel from Combine ........................................................................................................... 01-44

Wheel Installation .................................................................................................................................. 01-45

Tire Dimensions .................................................................................................................................... 01-46

Drive Belts ................................................................................................................................................... 01-47

Banded Drive Belt ................................................................................................................................. 01-47

Maintenance of Belts ............................................................................................................................. 01-48

Belt Changing Guides ........................................................................................................................... 01-49

Belt Sheave Alignment .......................................................................................................................... 01-51

Belt Run In Procedure ........................................................................................................................... 01-51

Belt Troubleshooting ............................................................................................................................. 01-52

Belt Problem and Wear Guide ............................................................................................................... 01-52

Roller Chains ............................................................................................................................................... 01-66

Inspection of Drive Chains and Sprockets ............................................................................................ 01-66

Drive Chain Adjustment and Tightening ................................................................................................ 01-67

Drive Chain Sprocket and Idler Alignment ............................................................................................ 01-68

Drive Chain Elongation and Sprocket Wear .......................................................................................... 01-69

Normal Tooth Wear ............................................................................................................................... 01-70

Not Normal Tooth Wear ........................................................................................................................ 01-70

Worn Chain on New Sprockets ............................................................................................................. 01-70

Drive Chain Service Tips ....................................................................................................................... 01-71

Chain Replacement ............................................................................................................................... 01-72

Cleaning and Lubricating Chains .......................................................................................................... 01-73

Drive Chain Lubrication ......................................................................................................................... 01-74

Drive Chain Lubricants .......................................................................................................................... 01-74

Good Drive Chain Lubrication ............................................................................................................... 01-75

Roller Chain Drive Troubleshooting Guide ............................................................................................ 01-76

Speed of Components ................................................................................................................................. 01-79

Drives Listing and Specifications ........................................................................................................... 01-80

Drives Speeds And Specifications ............................................................................................................... 01-82

Engine Platform ........................................................................................................................................... 01-85

Engine Platform Ladder ......................................................................................................................... 01-85

Engine Compartment ............................................................................................................................ 01-86

Fuel System ................................................................................................................................................. 01-87

Fuel Handling ........................................................................................................................................ 01-87

Fuel Vent Breather ................................................................................................................................ 01-87

Fuel Filter/Water Separator ................................................................................................................... 01-88

Bleeding the Fuel System ..................................................................................................................... 01-89

Engine Cooling System ............................................................................................................................... 01-89

Coolant System Monitoring ................................................................................................................... 01-89

Monitor Warnings .................................................................................................................................. 01-89

Anti-Freeze Type ................................................................................................................................... 01-89

Coolant Change Period ......................................................................................................................... 01-89

Engine Cooling System Coolant ............................................................................................................ 01-90

Checking Coolant Level ........................................................................................................................ 01-90

Radiator ................................................................................................................................................. 01-90

Thermostat ............................................................................................................................................ 01-91

Draining System .................................................................................................................................... 01-91

Filling System ........................................................................................................................................ 01-91

Engine Air Cleaner ....................................................................................................................................... 01-92

Outer Filter Element .............................................................................................................................. 01-92

Inner Filter Element ............................................................................................................................... 01-93

Hydraulics .................................................................................................................................................... 01-94

Checking Oil Level ................................................................................................................................ 01-94

Hydraulic Oil Filter ................................................................................................................................. 01-94

Changing Hydraulic Oil .......................................................................................................................... 01-95

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79032998 A Rev. 01-iii

Contents

Removing Air From Hydraulic System .................................................................................................. 01-98

Hydraulic Pump ..................................................................................................................................... 01-99

Steering Priority Valve ........................................................................................................................... 01-99

Main Hydraulic Control Valve .............................................................................................................. 01-100

Unloader Auger Engagement Valve .................................................................................................... 01-101

Pump Drive Disconnect Valve ............................................................................................................. 01-101

Accumulator ........................................................................................................................................ 01-102

Hydrostatic Drives - A66 ...................................................................................................................... 01-103

Hydrostatic Drives - A76 ...................................................................................................................... 01-104

Hydraulic Oil Cooler ............................................................................................................................ 01-105

Rotor Speed Control ............................................................................................................................ 01-105

Air Conditioning System ............................................................................................................................ 01-106

Compressor ......................................................................................................................................... 01-106

Condenser ........................................................................................................................................... 01-107

Receiver-Drier ..................................................................................................................................... 01-107

Cab Filters ................................................................................................................................................. 01-107

Cab Filter - Primary ............................................................................................................................. 01-107

Cab Filter - Secondary ........................................................................................................................ 01-108

Recirculation Filter ............................................................................................................................... 01-108

Air Filter Cleaning Procedure .............................................................................................................. 01-108

Windshield Washer Reservoir ................................................................................................................... 01-109

Cleaning Windshield .................................................................................................................................. 01-109

Storage Preparation .................................................................................................................................. 01-110

Combine .............................................................................................................................................. 01-110

Engine ................................................................................................................................................. 01-110

Preparation For Use After Storage ............................................................................................................ 01-110

Combine .............................................................................................................................................. 01-110

Engine ................................................................................................................................................. 01-110

Torque Charts ............................................................................................................................................ 01-111

Standard Torque Specifications .......................................................................................................... 01-111

Metric Capscrew Markings and Torque Values ................................................................................... 01-112

Metric Conversions .................................................................................................................................... 01-113

Fractions, Decimals, and Millimeters Conversion Chart ............................................................................ 01-114

Decimal Equivalents of 8ths, 16ths, 32nds, and 64ths .............................................................................. 01-117

Decimal Equivalents Of Letter Size Drills .................................................................................................. 01-118

Decimal Equivalents of Number Size Drills ............................................................................................... 01-119

Tap Drill Sizes - S.A.E. & Metric ................................................................................................................ 01-120

American Standard Pipe Thread and Tap Drill Sizes ................................................................................ 01-123

Electrical Formulas .................................................................................................................................... 01-123

Amperes (Current Flow) ...................................................................................................................... 01-123

Volts (Electromotive Force) ................................................................................................................. 01-123

Ohms (Resistance) .............................................................................................................................. 01-123

Watts ................................................................................................................................................... 01-123

Horsepower ......................................................................................................................................... 01-123

Belt Speed Calculation Formulas .............................................................................................................. 01-124

Geometrical Formulas ............................................................................................................................... 01-124

Circumference of a Circle .................................................................................................................... 01-124

Area of a Circle .................................................................................................................................... 01-124

Volume of a Cylinder ........................................................................................................................... 01-124

Volume of a Sphere ............................................................................................................................. 01-124

Area of a Triangle ................................................................................................................................ 01-124

Metric to Imperial and Imperial to Metric Conversion Factors ................................................................... 01-124

Measures of Temperature ................................................................................................................... 01-124

Measures of Power ............................................................................................................................. 01-124

Measures of Pressure ......................................................................................................................... 01-125

Measures of Length ............................................................................................................................. 01-125

Measures of Area ................................................................................................................................ 01-125

Measures of Volume (Dry) .................................................................................................................. 01-126

Measures of Volume (Liquid) .............................................................................................................. 01-127

Measures of Mass (Weight) ................................................................................................................ 01-127

Measures of Effort (Torque) ................................................................................................................ 01-128

Reference Tables ................................................................................................................................ 01-128

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01-iv 79032998ARev.

Contents

INDEX ........................................................................................................................................................... 01-131

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79032998 A Rev. 01-1

Safety

SAFETY

SAFETY ALERT SYMBOL

FIG. 1: This is the safety alert symbol. This symbol

stands for ATTENTION! BECOME ALERT! YOUR

SAFETY IS INVOLVED! Look for this symbol, both in this

manual and on safety decals on the combine. This

symbol will direct you to information that includes your

personal safety and the personal safety of others.

SIGNAL WORDS

FIG. 2: The words DANGER, WARNING, or CAUTION

are used with the safety alert symbol. Learn to know

these safety alert symbols, and follow the given

recommendations, precautions, and safe procedures.

mDANGER: Indicates an immediate

hazardous situation that, if not avoided, will

result in DEATH OR VERY SERIOUS

INJURY.

mWARNING: Indicates a potentially

hazardous situation that, if not avoided, can

result in DEATH OR SERIOUS INJURY.

mCAUTION: Indicates a potentially

hazardous situation that, if not avoided, can

result in a MINOR INJURY.

Replace any DANGER, WARNING, CAUTION, or

instruction decal that can not be read or is missing. The

location and part number of these decals is shown later in

this section of the manual.

IMPORTANT: The word IMPORTANT is used to show

special instructions or procedures which, if not

followed can result in damage to, or destruction

of the machine, process, or the surroundings.

NOTE: The word NOTE is used to indicate points of

special interest for more efficient and easier

repair or operation.

FIG. 1 Saf

FIG. 2 Wc1957

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Safety

01-2 79032998ARev.

FIG. 3: Read and understand this manual and the

manual for all attachments before operating the combine.

Learn how to operate the combine and how to use the

controls properly.

Do not operate the combine without instruction and

training.

For your personal safety and the personal safety of

others, follow all safety precautions and instructions found

in the manual and on decals fastened to the combine and

the attachments.

Personal injury or death can result if these precautions

are not followed.

FIG. 4: Be prepared for an emergency. Always carry one

or more suitable fire extinguishers - ABC rating, dry

chemical, 2.2 kg (5 lb). Check fire extinguishers regularly

to make sure extinguishers are properly charged and in

operating condition.

Mounting a fire extinguisher near the cab and a fire

extinguisher near the engine compartment is a

recommendation.

To reduce the risk of fire, frequently remove crop material

from the combine and engine platform and check for

components becoming too hot.

Keep a first aid kit close for treatment of minor cuts and

scratches.

FIG. 5: Wear close fitting clothing and personal

protection equipment correct for operating or doing

lubrication and maintenance on the combine. Tie up long

hair to prevent the hair from becoming entangled in the

moving parts.

mWARNING: An operator must not use

alcohol or drugs which can affect alertness

or coordination. An operator taking

prescription or over the counter drugs

needs medical advice on whether or not the

operator can properly operate machines.

FIG. 3 S-1123

FIG. 4 S-1131

FIG. 5 S-1127A

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79032998 A Rev. 01-3

Safety

FIG. 6: Face the ladder and use the handrails when

getting on or off the combine.

FIG. 7: Never operate the engine in a closed building

unless exhaust is vented outside.

FIG. 8: Make sure that all shields, guards, and access

doors are in location and properly closed before starting

the engine.

Start the engine from the operator seat only. Be sure that

the transmission is in neutral and the header, separator,

and unloader clutches are disengaged.

Be sure that every person is clear of the combine before

starting the engine.

FIG. 9: Always wear the seat belt when the combine is

moving. If another person is riding in the instructor seat

that person must wear the seat belt. Seat belts must be

worn fitted snugly around the hips and not twisted.

FIG. 6 Wc1940

FIG. 7 Wc1949

FIG. 8 Wc1955

FIG. 9 Wc1953a

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Safety

01-4 79032998ARev.

FIG. 10: Never permit any person to be on any part of

the combine or the attachments except in the operator

seat or the instructor seat when the engine is running.

Do not get on or off the combine while the combine is

moving.

FIG. 11: Prevent contact with electrical power lines.

Always put the grain tank unloader tube in the transport

position and lower radio antenna before moving the

combine near electrical wires. Contact with electrical

power lines can cause electrical shock, very serious

injury, or death.

FIG. 12: Use extra caution and reduce speed when

operating on hill sides, near ditches or embankments

especially with a full grain tank to prevent an over turn of

the combine. Travel speed must be such that the machine

has complete control and stability at all times. Shift to a

lower gear before going down a steep hill.

FIG. 13: Always turn off the engine, shift the

transmission to neutral, set parking brake, and remove

the start key before leaving the operator seat or before

permitting a person to inspect, clean, lubricate, adjust, or

repair any part of the combine or the attachments. Unless

specifically given instruction different in this manual.

Never leave the operator seat as long as the engine is

operating.

FIG. 10 Wc1945

FIG. 11 Wc1937

FIG. 12 Wc1937a

FIG. 13 Wc1958

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79032998 A Rev. 01-5

Safety

FIG. 14: Never work under the header or feeder house,

unless the stop is properly engaged on the header lift

cylinder, the engine is stopped, the parking brake is set,

and the start key is removed from the start switch.

FIG. 15: Fluid under high pressure can be almost

invisible but can go into the skin causing serious injury.

See a doctor immediately if you sustain an injury from

escaping fluids. Fluid injected into the skin must be

surgically removed within a few hours or gangrene can

result.

FIG. 16: Use a piece of cardboard or wood to search for

possible leaks. Never use your hands.

Relieve pressure from the hydraulic and fuel injection

systems by lowering raised equipment, shutting off

accumulator valve, and turning off the engine before

loosening any part of the systems. Tighten all

connections securely before applying pressure.

FIG. 17: The surfaces in and around the engine

compartment will be hot if the engine has been running,

even for a short time.

Always permit parts that contain hot fluid to cool before

handling or disconnecting.

FIG. 14 Wc1954

FIG. 15 Wc1938

FIG. 16 D-5842a

FIG. 17 Wc1947

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