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For complete service information also see:
644J (S.N. —611231) and 724J (S.N. —611218)
Loader Operation and Test ................................
724J Loader Operator's Manual (S.N.
—590067)..............................................................
644J and 724J Loader Operator's Manual (S.N.
590068— ).............................................................
Alternators and Starting Motors ........................
PowerTech™ 8.1 L Diesel Engines Base
Engine ..................................................................
PowerTech™8.1 L Diesel Engines Level 9
Electronic Fuel System with Denso HPCR........
TeamMate™ III 1000, 1200, and 1400 Series
Inboard Planetary Axles......................................
Hydraulic Cylinders.............................................
Super Caddy Oil Cleanup Procedure.................
Specifications Manual.........................................
(Serial No. - 611231)
and 724J
(Serial No. - 611218)
Loader
Repair
REPAIR TECHNICAL MANUAL
644J (S.N. —611231) and 724J (S.N.
—611218) Loader Repair
TM2076 12JAN17
TM2075
OMT182027
OMT200782
CTM77
CTM86
CTM255
CTM150
CTM120519
CTM310
SP458VOL2
Worldwide Construction
And Forestry Division
644J
(ENGLISH)
PRINTED IN U.S.A.

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Summary of Contents for Worldwide Construction And Forestry Division 724J

  • Page 1 REPAIR TECHNICAL MANUAL 644J (S.N. —611231) and 724J (S.N. —611218) Loader Repair TM2076 12JAN17 (ENGLISH) For complete service information also see: 644J (S.N. —611231) and 724J (S.N. —611218) Loader Operation and Test ........ TM2075 724J Loader Operator's Manual (S.N. —590067).............. OMT182027 644J and 724J Loader Operator's Manual (S.N.
  • Page 2 Operation and tests sections help you of troubleshooting, general maintenance, and basic type identify the majority of routine failures quickly. of failures and their causes. DX,TMIFC -19-15APR14-1/1 TM2076 (12JAN17) 644J and 724J Loader 011217 PN=2 Find manuals at https://best-manuals.com Find manuals at https://best-manuals.com...
  • Page 3 Attn: Publications, Dept. 324 Dubuque, IA 52004-0538 FAX NUMBER: 1-563-589-5800 (USA) Publication Number: Page Number: Ideas, Comments: Name: Phone: Email Address: THANK YOU! TX,II,FAX -19-10JUL01-1/1 TM2076 (12JAN17) 644J and 724J Loader 011217 PN=3 Find manuals at https://best-manuals.com Find manuals at https://best-manuals.com...
  • Page 4 Introduction TM2076 (12JAN17) 644J and 724J Loader 011217 PN=4 Find manuals at https://best-manuals.com Find manuals at https://best-manuals.com...
  • Page 5: Group 0001-Safety Information

    Moline, Illinois All rights reserved. A John Deere ILLUSTRUCTION ™ Manual Previous Editions Copyright © 2003, 2004, 2006, 2009, 2010, 2011, 2013, 2014, 2015, 2016 TM2076 (12JAN17) 644J and 724J Loader 011217 PN=1 Find manuals at https://best-manuals.com Find manuals at https://best-manuals.com...
  • Page 6 Contents TM2076 (12JAN17) 644J and 724J Loader 011217 PN=2 Find manuals at https://best-manuals.com Find manuals at https://best-manuals.com...
  • Page 7: Table Of Contents

    Torque Values ........00-0003-2 Unified Inch Bolt and Cap Screw ..00-0003-3 Service Recommendations for 37° Flare and 30° Cone Seat Connectors ..........00-0003-4 TM2076 (12JAN17) 00-1 644J and 724J Loader 011217 PN=1 Find manuals at https://best-manuals.com Find manuals at https://best-manuals.com...
  • Page 8 Contents TM2076 (12JAN17) 00-2 644J and 724J Loader 011217 PN=2 Find manuals at https://best-manuals.com Find manuals at https://best-manuals.com...
  • Page 9: Recognize Safety Information

    Familiarize yourself with the job site and your surroundings before operating. Try all controls and machine functions with the machine in an open area before starting to work. TX03679,00016FA -19-03NOV08-1/1 TM2076 (12JAN17) 00-0001-1 644J and 724J Loader 011217 PN=9 Find manuals at https://best-manuals.com Find manuals at https://best-manuals.com...
  • Page 10: Wear Protective Equipment

    Keep all guards and shields in good condition and properly installed. Fix damage and replace worn or broken parts immediately. Pay special attention to hydraulic hoses and electrical wiring. TX03679,0001734 -19-03NOV08-1/1 TM2076 (12JAN17) 00-0001-2 644J and 724J Loader 011217 PN=10 Find manuals at https://best-manuals.com Find manuals at https://best-manuals.com...
  • Page 11: Stay Clear Of Moving Parts

    If you must operate in an enclosed space, provide adequate ventilation. Use an exhaust pipe extension to remove the exhaust fumes or open doors and windows to bring outside air into the area. TX03679,00016D4 -19-03NOV08-1/1 TM2076 (12JAN17) 00-0001-3 644J and 724J Loader 011217 PN=11...
  • Page 12: Prevent Fires

    Safety Data Sheet (MSDS) or go to internet website http://www.jdmsds.com. The MSDS describes physical and health hazards, safe use procedures, and emergency response techniques for chemical substances. Follow MSDS recommendations to handle chemical products safely. TX03679,00016D7 -19-03JAN07-1/1 TM2076 (12JAN17) 00-0001-4 644J and 724J Loader 011217 PN=12...
  • Page 13: Dispose Of Waste Properly

    Never attempt to start engine from the ground. Do not attempt to start engine by shorting across the starter solenoid terminals. TX03679,0001799 -19-22APR10-1/1 TM2076 (12JAN17) 00-0001-5 644J and 724J Loader 011217 PN=13...
  • Page 14: Use And Maintain Seat Belt

    Lock transmission control in neutral, engage park brake and stop engine before allowing anyone to approach the machine. Follow these same precautions before standing up, leaving the operator's seat, or exiting the machine. TX03679,00017C7 -19-08MAR07-1/1 TM2076 (12JAN17) 00-0001-6 644J and 724J Loader 011217 PN=14...
  • Page 15: Avoid Work Site Hazards

    Use an adequate chain or sling and proper rigging techniques to attach and stabilize loads. Never lift an object above or near another person. TX03768,0000B70 -19-24FEB15-1/1 TM2076 (12JAN17) 00-0001-7 644J and 724J Loader 011217 PN=15...
  • Page 16: Keep Riders Off Machine

    Use a signal person when backing if view is obstructed or when in close quarters. Keep signal person in view at all times. Use prearranged hand signals to communicate. TX03679,000179C -19-20APR01-1/1 TM2076 (12JAN17) 00-0001-8 644J and 724J Loader 011217 PN=16...
  • Page 17: Avoid Machine Tip Over

    Use service brakes to control speed. Sudden brake application with a loaded bucket on downhill side could cause machine to tip forward. Operating on Slopes TX03679,000179E -19-24FEB15-1/1 TM2076 (12JAN17) 00-0001-9 644J and 724J Loader 011217 PN=17...
  • Page 18: Operating Or Traveling On Public Roads

    Ensure that a qualified person is involved in attachment and obstructions, carefully operate attachment to learn its installation. Add guards to machine if operator protection characteristics and range of motion. TX03679,00016F0 -19-24JAN07-1/1 TM2076 (12JAN17) 00-0001-10 644J and 724J Loader 011217 PN=18...
  • Page 19: Park And Prepare For Service Safely

    Shut off engine. Only remove filler cap when cool enough to touch with bare hands. Slowly loosen cap to first stop to relieve pressure before removing completely. DX,RCAP -19-04JUN90-1/1 TM2076 (12JAN17) 00-0001-11 644J and 724J Loader 011217 PN=19...
  • Page 20: Remove Paint Before Welding Or Heating

    Hammering hardened metal parts such as pins and bucket teeth may dislodge chips at high velocity. Use a soft hammer or a brass bar between hammer and object to prevent chipping. TX03679,0001745 -19-03JAN07-1/1 TM2076 (12JAN17) 00-0001-12 644J and 724J Loader 011217 PN=20...
  • Page 21: Group 0003-Torque Values

    Tighten toothed or serrated-type lock nuts to the full Shear bolts are designed to fail under predetermined loads. Always torque value. replace shear bolts with identical property class. OUT3035,TORQUE2 -19-04MAR16-1/1 TM2076 (12JAN17) 00-0003-1 644J and 724J Loader 011217 PN=21...
  • Page 22: Additional Metric Cap Screw Torque Values

    Di- ameter N·m lb·ft N·m lb·ft N·m lb·ft M-Bolt 1372 1012 1029 1911 1410 1421 1049 2548 1890 1911 1410 3136 2314 2401 1772 Torque tolerance is ±10%. 04T,90,M170 -19-29SEP99-1/1 TM2076 (12JAN17) 00-0003-2 644J and 724J Loader 011217 PN=22...
  • Page 23: Unified Inch Bolt And Cap Screw

    Fasteners should be replaced with the same or higher grade. If higher grade fasteners are used, these should only be tightened to the strength of the original. OUT3035,TORQUE1 -19-04MAR16-1/1 TM2076 (12JAN17) 00-0003-3 644J and 724J Loader 011217 PN=23...
  • Page 24: Service Recommendations For 37° Flare And 30° Cone Seat Connectors

    O-ring. Slide O-ring over tape and into O-ring groove of fitting. Remove tape. 3. Tighten fitting to torque value shown on chart. Straight Fitting Continued on next page 04T,90,K66 -19-29SEP99-1/2 TM2076 (12JAN17) 00-0003-4 644J and 724J Loader 011217 PN=24...
  • Page 25 B—Backup Washer 3/8-24 UNF 7/16-20 UNF 1/2-20 UNF 9/16-18 UNF 3/4-16 UNF 7/8-14 UNF 1-1/16-12 UN 1-3/16-12 UN 1-5/16-12 UN 1-5/8-12 UN 1-7/8-12 UN NOTE: Torque tolerance is ± 10%. 04T,90,K66 -19-29SEP99-2/2 TM2076 (12JAN17) 00-0003-5 644J and 724J Loader 011217 PN=25...
  • Page 26 Push backup washer (6) towards the nut to fully expose the turn down section of stud end. Washer must fit turned down section and not be too loose. Continued on next page OUT3035,0000353 -19-04MAR16-1/2 TM2076 (12JAN17) 00-0003-6 644J and 724J Loader 011217 PN=26...
  • Page 27: Service Recommendations For Flared Connections-Straight Or Tapered Threads

    Tapered Thread 1-1/2 Torque tolerance is ±10%. With seat face. NOTE: If female thread is cast iron (control valves, brake valves motors, etc.), torque must be reduced approximately 10%. 04T,90,M171 -19-28JAN92-1/1 TM2076 (12JAN17) 00-0003-7 644J and 724J Loader 011217 PN=27...
  • Page 28: Service Recommendations For Flat Face O-Ring Seal Fittings

    3/8-24 9/16 7/16-20 1/2-20 11/16 9/16-18 3/4-16 15/16 7/8-14 1-1/16 1-1/16 1-1/16-12 1-1/4 1-3/8 1-3/16-12 1-3/8 1-1/2 1-5/16-12 1-1/2 1-5/8 *Torque tolerance is +15 -20% unless otherwise specified. OUO6092,00010A4 -19-04MAR16-1/1 TM2076 (12JAN17) 00-0003-8 644J and 724J Loader 011217 PN=28...
  • Page 29: (Adjustable) Fittings

    1. Inspect fitting and connector sealing surfaces and the and burrs. O-ring must be free of dirt, cuts, cracks, O-rings. They must be free of dirt, scratches, nicks, swelling, or flatten condition. Continued on next page OUT3035,0000420 -19-04MAR16-1/2 TM2076 (12JAN17) 00-0003-9 644J and 724J Loader 011217 PN=29...
  • Page 30 To protect an O-ring from threads, wrap electrical tape over the threads. Slide O-ring over the tape into the turned down section. Remove the tape. OUT3035,0000420 -19-04MAR16-2/2 TM2076 (12JAN17) 00-0003-10 644J and 724J Loader 011217 PN=30...
  • Page 31 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...

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