Summary of Contents for Worldwide Construction And Forestry Division 724J
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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.
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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...
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...
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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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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...
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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...
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...
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...
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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...
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