Challenger Combines 680B Repair Service Manual (79024357A)
Challenger Combines 680B Repair Service Manual (79024357A)
79024357A - Challenger 680B Combine Service Manual.pdf
Complete service repair manual for Challenger 680B Combines, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.
Challenger 680B Combine workshop service & repair manual includes:
* 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: 2,374 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Language: English
MAIN SECTIONS
01 - General Information
02 - Specifications
03 - Engine-Drives and Cooling and Fuel
04 - Material Handling
05 - Material Discharge
06 - Rear Axle
07 - Threshing and Separating
08 - Front Axle
09 - Hydraulics
10 - Electrical
11 - Electronics
12 - Cab and HVAC
13 - Grain Header
14 - Corn Header
15 - Reserved
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
