Complete Technical Manual with electrical wiring diagrams for John Deere 644-B Loader. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

John Deere 644B Loader Operation & Test Technical Manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

TM1095 - John Deere 644B Loader Technical Manual.pdf
762 pages, bookmarked, Searchable, Printable, high quality PDF

CONTENTS
Section 10 - GENERAL
Group 5 Specifications
Group 10 Predelivery, Delivery, and After Sales Services
Group 15 Lubrication
Engine Removal and Installation
Basic Engine
Engine Lubrication System
Engine Cooling System
Fuel System
Speed Control Linkage (Refer to Section 70)
Air Intake System
Specifications and Special Tools
ELECTRICAL SYSTEM
Batteries
Charging System
Delco Starting System
John Deere Starting System
Miscellaneous Electrical Components
Heating and Air Conditioning Systems
Specifications and Special Tools
Section 40 - POWER TRAIN
Group 5 Drive Shafts
Group 10 Damper Assembly
Group 15 Transmission
Group 20 Final Drives
Group 25 Differential
Group 30 Specifications and Special Tools
Group 50 HYDRAULIC SYSTEM
Transmission Pump
Transmission Control Valve
Steering and Brake Pump
Steering Valve
Brake System
Loader Pump
Loader Control Valve
Cylinders
Miscellaneous Hydraulic Components
Specifications and Special Tools
Group 25 MISCELLANEOUS COMPONENTS
Loader and Engine Frames
Loader Boom and Buckets
Seats Canopy and Cab
Specifications and Special Tools
Section 70 - SYSTEM TESTING
Group 5 General Information - Seven Basic Steps of Testing and Diagnosis
Group 10 Engine
Group 15 Electrical System
Group 16 Heating and Air Conditioning Systems
Group 20 Power Train
Group 25 Hydraulic System
Group 26 Hydraulic System (Analyzer)
Group 30 Miscellaneous Components
Group 35 Specifications and Special Tools
Section 80 - INDEX
...

John Deere 644B Loader Technical Manual (TM1095)