John Deere 4WD Loaders models 644J (SN. -611231), 724J (SN. -611218) Technical Manual TM2076 July 30, 2009

Table of Content:

1 Table of contents
2 FOREWORD
3 TECHNICAL INFORMATION FEEDBACK FORM
4 Section 00 – GENERAL INFORMATION
4.1 Group 0001 – Safety Information
5 Section 01 – WHEELS
5.1 Group 0110 – Powered Wheels And Fasteners
6 Section 02 – AXLES AND SUSPENSION SYSTEMS
6.1 Group 0200 – Removal And Installation
6.2 Group 0225 – Input Drive Shafts And U-Joints
6.3 Group 0250 – Axle Shaft, Bearings, And Reduction Gears
6.4 Group 0260 – Hydraulic System
7 Section 03 – TRANSMISSION
7.1 Group 0300 – Removal And Installation
7.2 Group 0350 – Gears, Shafts, Bearings And Power Shift Clutch
7.3 Group 0360 – Hydraulic System
8 Section 04 – ENGINE
8.1 Group 0400 – Removal And Installation
9 Section 05 – ENGINE AUXILIARY SYSTEMS
9.1 Group 0505 – Cold Weather Starting Aids
9.2 Group 0510 – Cooling System
9.3 Group 0515 – Speed Controls
9.4 Group 0520 – Intake System
9.5 Group 0530 – External Exhaust System
9.6 Group 0560 – External Fuel Supply Systems
10 Section 07 – DAMPENER DRIVE
10.1 Group 0752 – Elements
11 Section 09 – STEERING SYSTEM
11.1 Group 0960 – Hydraulic System
12 Section 10 – SERVICE BRAKES
12.1 Group 1011 – Active Elements
12.2 Group 1060 – Hydraulic System
13 Section 11 – PARK BRAKE
13.1 Group 1111 – Active Elements
13.2 Group 1160 – Hydraulic System
14 Section 17 – FRAME OR SUPPORTING STRUCTURE
14.1 Group 1740 – Frame Installation
14.2 Group 1746 – Frame Bottom Guards
14.3 Group 1749 – Chassis Weights
15 Section 18 – OPERATORS STATION
15.1 Group 1800 – Removal And Installation
15.2 Group 1810 – Operator Enclosure
15.3 Group 1830 – Heating And Air Conditioning
16 Section 19 – SHEET METAL AND STYLING
16.1 Group 1910 – Hood Or Engine Enclosure
16.2 Group 1921 – Grille And Grille Housing
17 Section 31 – LOADER
17.1 Group 3102 – Bucket
17.2 Group 3140 – Frames
17.3 Group 3160 – Hydraulic System