Challenger 680B Rotary Combine 660B Workshop Service Repair Manual PDF SN HUC8101 - MCHAL79032968A.zip

This is a full workshop service and repair manual, complete with electrical wiring diagrams, covering the Challenger 680B Combine. Inside you'll find the technical detail needed to service, troubleshoot, and overhaul the machine the way a trained technician would.

The Challenger 680B Combine workshop service and repair manual contains:

* Numbered table of contents easy to use so that you can find the information you need fast.

* Detailed sub-steps expand on repair procedure information

* Numbered instructions guide you through every repair procedure step by step.

* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.

* Notes, cautions and warnings throughout each chapter pinpoint critical information.

* Bold figure number help you quickly match illustrations with instructions.

* Detailed illustrations, drawings and photos guide you through every procedure.

* Enlarged inset helps you identify and examine parts in detail.

Total Pages: 2,432 pages

File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)

Language: English

MANUAL LIST:

79033147B - Challenger 660B Combine Repair Time Schedule.pdf

79033165B - Challenger 680B Combine Repair Time Schedule (SN HUC81 01 and Up, SN HUC8E1 01 and Up).pdf

79032968A - Challenger 680B Rotary Combine (SN HUC8101 and LATER) Service Manual; 2,432 pages

TABLE OF CONTENTS

01 - General Information.pdf

02 - Specifications.pdf

03 - Engine-Drives and Cooling and Fuel.pdf

04 - Material Handling.pdf

05 - Material Discharge.pdf

06 - Rear Axle.pdf

07 - Threshing and Separating.pdf

08 - Front Axle.pdf

09 - Hydraulics.pdf

10 - Electrical.pdf

11 - Electronics.pdf

12 - Cab and HVAC.pdf

13 - Grain Header.pdf

14 - Corn Header.pdf

15 - Reserved.pdf

79024357A - Challenger 680B Combine Service Manual.pdf; 2,374 pages

79024358A - Challenger 680B Rotary Combine Service Manual.pdf 2,378 pages

TABLE OF CONTENTS

01 - General Information.pdf

02 - Specifications.pdf

03 - Engine - Drives and Cooling and Fuel.pdf

04 - Material Handling.pdf

05 - Material Discharge.pdf

06 - Rear Axle.pdf

07 - Threshing and Separating.pdf

08 - Front Axle.pdf

09 - Hydraulics.pdf

10 - Electrical.pdf

11 - Electronics.pdf

12 - Cab and HVAC.pdf

13 - Grain Header.pdf

14 - Corn Header Service Manual Insert.pdf

15 - Reserved.pdf

EXCERPT:

SERVICE MANUAL

79024357 A Rev.

01 - General Information

Contents

GENERAL INFORMATION

Safety Alert Symbol ... 01-1

Signal Words ..... 01-1

Travel On Public Roads ..... 01-8

Rear Hook .. 01-9

Header Lift Cylinder Stop ..... 01-10

Safety Signs ..... 01-11

Shield Latches ..... 01-27

How A Combine Works .... 01-28

Cutting and Feeding .. 01-28

Threshing and Separating ..... 01-29

Cleaning .... 01-29

Combine Identification ..... 01-30

Machine Serial Number ..... 01-30

Engine Serial Number ... 01-30

Transmission Serial Number ..... 01-30

Final Drive Serial Number ..... 01-31

Headers ... 01-31

Diesel Fuels ..... 01-32

Important Storage and Handling Precautions ... 01-32

Fueling the Combine ..... 01-32

Fuel Specifications .... 01-33

Fuel Conditioners .. 01-33

Lubrication and Maintenance ... 01-34

Lubricants .... 01-34

Service Procedures ..... 01-34

Service Periods .... 01-34

Lubrication and Maintenance ... 01-35

Lubrication Details ... 01-41

Front of Combine ... 01-43

Left-hand Side ... 01-46

Right-hand Side ..... 01-48

Rear Axle ... 01-51

Engine .. 01-53

Type of Engine Oil ..... 01-53

Oil Additives .. 01-53

Checking Oil Level .... 01-53

Oil Change Intervals .. 01-53

Changing Engine Oil and Filter ..... 01-53

Brakes .. 01-55

Master Cylinder Oil Reservoir ... 01-55

Master Cylinder Adjustment .. 01-55

Parking Brake Adjustment ..... 01-55

Rotor Gearbox ..... 01-56

Transmission ... 01-56

Checking and Changing Lubricant .... 01-56

Final Drive .... 01-57

Without Risers ... 01-57

With Risers .... 01-57

Rear Wheel Bearings (Standard Axle) ..... 01-57

Tires and Wheels ..... 01-58

Tire Pressure ..... 01-58

Removing Wheel from Combine and Removing Tire. ... 01-58

Tire Mounting .... 01-59

Wheel Installation .. 01-60

Wheel Bolt Torque ..... 01-60

Maintenance of Tires ..... 01-61

Drive Belts ... 01-62

Banded Drive Belt ..... 01-62

Maintenance of Belts ..... 01-63

Belt Installation .. 01-64

Belt Sheave Alignment .. 01-65

Belt Problem and Wear Guide ... 01-66

Roller Chains ... 01-80

Inspection of Drive Chains and Sprockets .... 01-80

Drive Chain Adjustment and Tightening .... 01-80

Drive Chain Sprocket and Idler Alignment .... 01-81

Drive Chain Elongation and Sprocket Wear .. 01-82

Normal Tooth Wear ... 01-82

Not Normal Tooth Wear .... 01-83

Worn Chain on New Sprockets ..... 01-83

Drive Chain Service Tips ... 01-84

Cleaning and Lubricating Chains .. 01-85

Drive Chain Lubrication ..... 01-86

Drive Chain Lubricants .. 01-86

Good Drive Chain Lubrication ... 01-87

Belt and Chain Adjustments .... 01-88

Combine Drives - Left-hand Side ..... 01-88

Left-hand Pivot Shaft Drive Belt .... 01-88

Main Countershaft Drive .... 01-89

Belt Replacement .. 01-89

Hydrostatic Rotor Pump Drive ... 01-90

Spring Adjustment Hydrostatic Rotor Pump Drive .... 01-90

Feeder Reverser ... 01-91

Hydrostatic Propulsion Pump Drive ... 01-91

Front Beater Drive ..... 01-92

Spring Adjustment Hydrostatic Propulsion Pump Drive .... 01-94

Unloader Drive .. 01-95

Shoe Pitman Drive .... 01-96

Clean Grain Elevator Drive .... 01-97

Grain Tank Cross Auger Drive .. 01-97

Combine Right-Hand Drives .... 01-98

Feeder House Jack Shaft Drive Belt ..... 01-98

Fixed Speed Header Drive Belt - Standard ... 01-99

Variable Speed Header Drive Belt - If Equipped ..... 01-100

Grain Tank Filling Auger Drive Chain .. 01-100

Return Elevator and Auger Drive .... 01-101

Cleaning Fan Drive .. 01-102

Straw Spreader / Chopper Primary Drive .... 01-103

Straw Spreader / Chopper Secondary Drive ... 01-104

Feeder Elevator ..... 01-105

Conveyor Adjustment .. 01-105

Clean Grain And Returns Elevators ... 01-106

Clean Grain Elevator Chain Adjustment .. 01-106

Return Elevator Chain Adjustment .. 01-107

Installing Elevator Chains .... 01-108

Replacing Elevator Chain Paddles .. 01-108

Engine Drive Belt ... 01-108

Drive Belt ..... 01-108

Engine Compartment ..... 01-109

Engine Fuel System ... 01-111

Fuel Handling .. 01-111

Fuel Vent Breather .. 01-111

Fuel Filter and Water Separator .. 01-112

Engine Cooling System ..... 01-113

Coolant Change Period ... 01-113

Engine Cooling System Coolant .. 01-113

Checking Coolant Level .. 01-113

Radiator ... 01-114

Thermostat .. 01-114

Draining System .. 01-114

Filling System .. 01-115

Coolant System Monitoring ..... 01-115

Monitor Warnings .... 01-115

Engine Air Cleaner ..... 01-116

Outer Filter Element .... 01-116

Inner Filter Element ..... 01-116

Cleaning Outer Element .. 01-117

Electrical System ... 01-118

Batteries .. 01-118

Battery Disconnect Switch ... 01-118

Battery Charging ..... 01-119

Starter .. 01-120

Alternator ..... 01-120

Primary Circuit Breaker ... 01-120

Fuse Panel .. 01-121

Hydraulics .. 01-122

Checking Oil Level .. 01-122

Changing Hydraulic Oil .... 01-122

Hydrostatic Drives .. 01-124

Hydrostatic Oil Filters .. 01-124

Hydrostatic Oil Cooler ..... 01-124

Air Conditioning System .... 01-125

Condenser ... 01-125

Cab Air Filters .... 01-126

Cab Filter - Primary ..... 01-126

Cab Filter - Secondary .... 01-126

Recirculation Filter ... 01-126

Air Filter Cleaning Procedure .. 01-127

Storage Preparation ... 01-128

Combine .. 01-128

Engine ..... 01-128

Preparation For Use After Storage .... 01-128

Combine .. 01-128

Engine ..... 01-128

Torque Charts .... 01-129

Standard Torque Specifications .. 01-129

Metric Capscrew Markings and Torque Values ... 01-130

Metric Conversions .... 01-131

INDEX ... 01-133

Challenger Combines 680B Repair Service Manual