MELROE INGERSOLL -RAND ~bobcat ® AFFECTING: SERVICE MANUAL REVISION Product BOBCAT LOADER 740-1 Revision Number 11 November 1988 Date ROUTE TO ATTENTION Model __ ~7~4~1!~7~4~2~!~74~3~&~7~4~3D~S __________________ __ PARTS MANAGER D SERVICE MANAGER 00 SALES MANAGER D Manual No. 6566109 (4-88) NOTICE Insert This Sheet With The Appropriate Manual For Future Reference. The following pages are a revision to the 741 , 742, 743 & 7430S Service Manual PIN 6566109 (4-88 ). Take out and put in the revised pages as listed below: TAKE OUT 2- 7, 2-8 PUT IN 2-7 (Revised Nov. 88), 2- 8
MELROE INGERSOLL -RAND AFFECTING: SERVICE MANUAL REVISION Product BOBCAT LOADER 740-2 Revision Number 14 March 1989 Date ROUTE TO ATTENTION Model __ ~7~4~1,~7~4=2~,~74~3~&~7~4=3=D=S __________________ __ PARTS MANAGER D SERVICE MANAGER 00 SALES MANAGER D Manual No. 6566109 (4-88) NOTICE Insert This Sheet With The Appropriate Manual For Future Reference. The following pages are a revision to the 741 , 742, 743 & 7430S Service Manual PIN 6566109 (4-88). Take out and put in the revised pages as listed below: TAKE OUT 4-7,4-8 7A-5,7A-6 7C-19,7C-20 PUT IN 4-7 (Revised Mar. 89), 4-8 7A-5 (Revised Mar. 89), 7A-6 (Revised Mar. 89) 7G-19 (Revised Mar. 89), 7C-20
MELROE INGERSOLL -RAND AFFECTING: SERVICE MANUAL REVISION Product BOBCAT LOADER Model __ ~7~4~1,~7~4=2~,7~4=3~&~74~3=D~S~ ________________ __ Manual No. 6566109 (4-88) 740-3 Revision Number 23 April 1990 Date ROUTE TO ATTENTION PARTS MANAGER 0 SERVICE MANAGER 00 SALES MANAGER 0 NOTICE Insert This Sheet With The Appropriate Manual For Future Reference. The following pages are a revision to the 741 , 742, 743 & 743DS Service Manual PIN 6566109 (4-88). Take out and put in the revised pages as listed below: TAKE OUT 7C-25 , 7C- 26 PUT IN 7C- 25, 7C-26 (Revised Apr. 90)
MELROE INGERSOLL -RAND 740-4 Revision Number 23 April 1990 SERVICE MANUAL REVISION Date ROUTE TO ATTENTION AFFECTING: Product BOBCAT LOADER Model __ ~7~4~1,~7~4=2,~7~4=3~&~7~4~3=D~S~ ________________ __ PARTS MANAGER D SERVICE MANAGER 00 SALES MANAGER D Manual No. 6566109 (4-88) NOTICE Insert This Sheet With The Appropriate Manual For Future Reference. The following pages are a revision to the 741,742 , 743 & 743DS Service Manual PIN 6566109 (4-88). Take out and put in the revised pages as listed below: TAKE OUT 1-9 2-7 (Revised Nov. 88), 2-8 2-17,2-18 2-19 , 2-20 4-5,4-6 4-11 , 4-12 4-13 , 4-14 4-17,4-18 4-19,4-20 743DS Dengine Wiring Diagram (PIN 6570758) (Printed April 1988) 6-13 , 6-14 6-15,6-16 6-17,6-18 6-19 Engine Service Tab Page 7A-17,7A-18 7A-19 , 7A-20 Engine Service Tab Page (743 Kubota) 7C-3 , 7C-4 7C-19 thru 7C-39 Tab Pages All of 8A-1 thru 80-4 PUT IN 1-9 (Revised Sept. 90) 2-7 (Revised Sept. 90), 2-8 2-17, 2-18 (Revised Sept. 90) 2-19 (Revised Sept. 90), 2-20 4-5 (Revised Sept. 90), 4-6 (Revised Sept. 90) 4-11, 4-12 (Revised Sept. 90) 4-13 (Revised Sept. 90), 4-14 4-17,4-18 (Revised Sept. 90) 4-19 (Revised Sept. 90), 4-20 743DS Engine Wiring Diagram (PIN 6570758) (Printed September 1990) 743DS Engine Wiring Diagrame (PIN 6720564) (Printed September 1990) 6-13 (Revised Sept. 90), 6-14 6-15 (Revised Sept. 90),6-16 (Revised Sept. 90) 6-17 (Revised Sept. 90), 6-18 (Revised Sept. 90) 6-19 (Revised Sept. 90) Engine Service Tab Page (Revised Sept. 90) 7 A-17 , 7 A-18 (Revised Sept. 90) 7 A-19 (Revised Sept. 90), 7 A-20 Engine Service Tab Page (Revised Sept. 90) 7C-3, 7C-4 (Revised Sept. 90) 7C-19 thru 7C-39 (Revised Sept. 90) Engine Service Tab Page (742 Mitsubishi) (Added Sept. 90) 70-1 thru 70-57 (Added Sept. 90) New Tab Page and 8A-1 thru 8E-4 (Revised Sept. 90)
MELROE INGERSOLL -RAND AFFECTING: SERVICE MANUAL REVISION Product BOBCAT LOADER Model 741, 742, 743 & 743DS Manual No. 6566109 (4-88) 740-5 Revision Number 28 November 1990 Date ROUTE TO ATTENTION PARTS MANAGER D SERVICE MANAGER [!] SALES MANAGER D NOTICE Insert This Sheet With The Appropriate Manual For Future Reference. The following pages are a revision to the 741,742,743 & 7430S Service Manual PIN 6566109 (4-88). Take out and put in the revised pages as listed below: TAKE OUT 2-39,2-40 PUT IN 2-39,2-40 (Revised Nov. 90)
MELROE 740-6 INGERSOLL -RAND Revision Number 5 June 1991 SERVICE MANUAL REVISION Date ROUTE TO ATTENTION AFFECTING: Product BOBCAT LOADER Model __ ~7~4~1,~7~4=2~,~74~3~&~7~4=3D~S=.... ________________ ___ Manual No. 6566109 (4-88) PARTS MANAGER D SERVICE MANAGER [Xl SALES MANAGER D NOTICE Insert This Sheet With The Appropriate Manual For Future Reference. The following pages are a revision to the 741.742.743 & 743DS Service Manual PIN 6566109 (4-88). Take out and put in the revised pages as listed below: TAKE OUT 7C-23 (Revised Sept. 90). 7C-24 (Revised Sept. 90) BC-3. BC-4 (Revised Sept. 90) BC-5 (Revised Sept. 90) TECHNICAL DATE-TAB PAGE (Added Sept. 90) BE-3 (Added Sept. 90). BE-4 (Added Sept. 90) PUT IN 7C-23 (Revised Sept. 90). 7C-24 (Revised June 91) 8C-3 (Revised June 91). 8C-4 (Revised June 91) 8C-5 (Revised June 91 ). 8C-6 (Added June 91) TECHNICAL DATE-TAB PATE (Revised June 91) 8E-3 (Revised June 91). 8E-4 (Added Sept. 90)
MEL ROE INGERSOLL -RAND AFFECTING: SERVICE MANUAL REVISION Product BOBCAT LOADER 740-7 ---- Revision Number _---=5~A;...:.u=gust 1991 Date ROUTE TO ATTENTION Model __ ~7~4~1,~7~4=2~,7~4=3~&~74~3=D~S~ ________________ __ PARTS MANAGER 0 SERVICE MANAGER 00 SALES MANAGER 0 Manual No. 6566109 (4-88) NOTICE Insert This Sheet With The Appropriate Manual For Future Reference. The following pages are a revision to the 741 ,742, 743 & 743DS Service Manual PIN 6566109 (4-88). Take out and put in the revised pages as listed below: TAKE OUT 3-3 , 3-4 PUT IN 3-3 (Revised Aug. 91 ), 3-4
MEL ROE INGERSOLL -RAND 740-8 Revision Number 9 January 1992 SERVICE MANUAL REVISION Date ROUTE TO ATTENTION AFFECTING: Product BOBCAT LOADER Model __ ~7~4~1~!7~4=2~!~74~3~&~7~4=3=D=S __________________ __ PARTS MANAGER 0 SERVICE MANAGER 00 SALES MANAGER D Manual No. 6566109 (4-88) NOTICE Insert This Sheet With The Appropriate Manual For Future Reference. The following pages are a revision to the 741,742,743 & 743DS Service Manual PIN 6566109 (4-88). Take out and put in the revised pages as listed below: TAKE OUT 2-3,2-4 2-5 , 2-6 7A-5 (Revised Mar. 89), 7A-6 (Revised Mar. 89) 7C-5,7C-6 7C-31 (Revised Sept. 90), 7C-32 (Revised Sept. 90) 8C-3 (Revised June 91), 8C-4 (Revised June 91) PUT IN HYDRAULIC/HYDROSTATIC FLOW CHART For Models 742B & 743B (With 3-Spool Melroe Control Valve) Chart #6722141 (Printed January 1992) HYDRAULlCIHYROSTATIC SYSTEM OPERATION To Be Used With HYDRAULIC/HYDROSTATIC FLOW CHART For Models 742B & 743B (With 3-spool Melroe Control Valve) Chart #6722141 (Printed January 1992) 2-3 (Revised Jan. 92), 2-4 2-5 (Revised Jan. 92), 2-6 7A-5 (Revised Mar. 89), 7A-6 (Revised Jan. 92) 7C-5 (Revised Jan. 92), 7C-6 (Revised Jan. 92) 7C-31 (Revised Jan. 92), 7C-32 (Revised Sept. 90) 8C-3 (Revised June 91), 8C-4 (Revised Jan. 92)
MEL ROE INGERSOLL -RAND 740-9 Revision Number 5 November 1996 SERVICE MANUAL REVISION Date ROUTE TO ATTENTION AFFECTING: Product BOBCAT LOADER Model 741, 742, 743 & 743DS Manual No. 6566109 (4-88) PARTS MANAGER D SERVICE MANAGER 00 SALES MANAGER D NOTICE Insert This Sheet With The Appropriate Manual For Future Reference. The followi ng pages are a revision to the 741 , 742, 743 & 743DS Service Manual PIN 6566109 (4-88). Take out and put in the revised pages as listed below: TAKE OUT 3-5 , 3-6 3- 7, 3-8 4-17 , 4-18 (Revised Sept. 90) 4- 19 (Revised Sept. 90), 4- 20 7A- 17, 7A-18 (Revised Sept. 90) 7A-19 (Revised Sept. 90), 7A- 20 7A-21 , 7A-22 7A- 25, 7A-26 7B-5 , 78-6 ENGINE SERVICE (Mitsubishi 742) TAB PAGE (Added Sept. 90) 7D-11 (Added Sept. 90), 7C-12 (Added Sept. 90) PUT IN 3-5 , 3-6 (Revised Nov. 96) 3-7 (Revised Nov. 96), 3-8 (Revised Nov. 96) 4-17 , 4-18 (Revised Nov. 96) 4-19 (Revised Nov. 96) , 4-20 7 A-17 (Revised Nov. 96), 7 A-18 (Revised Sept. 90) 7A-19 (Revised Nov. 96) , 7A-20 (Revised Nov. 96) 7A-21 (Revised Nov. 96), 7A-22 7A-25 (Revised Nov. 96), 7A-26 7B-5 (Revised Nov. 96), 78-6 ENGINE SERVICE (Mitsubishi 742) TAB PAGE (Revised Nov. 96) 7D-11 (Added Sept. 90), 7D-12 (Revised Nov. 96)
This workshop service repair manual is designed for the Bobcat 741, 742, 743, and 743DS skid steer models from 1997 onward. It is compatible with all Windows and Mac versions and requires Adobe Acrobat Reader for viewing. The file size is 36 MB.
Applicable vehicle models include:
Bobcat 741 from serial number: 501720001 & above
Bobcat 742 from serial number: 501820001-501822999
Bobcat 743 from serial number: 501920001 & above
Bobcat 743DS from serial number: 502551001 & above
The manual covers various engines:
1655 cc 2-cylinder, air-cooled, Deutz F2L511 diesel
1606 cc 4-cylinder, liquid-cooled, Ford 1498 petrol
1732 cc 4-cylinder, liquid-cooled, Kubota V1702-BA diesel
1567 cc 4-cylinder, liquid-cooled, Mitsubishi 4G32 petrol
Contents of the manual include but are not limited to:
Forward
Safety Instructions
Torque Specifications
Delivery Report
Loader Identification
Preventive Maintenance
Hydraulic System
Hydrostatic Reservoir
Steering Levers
Drive System
Electrical System
Engine System
Troubleshooting
Specifications
This electronic manual features detailed illustrations, step-by-step written instructions, diagrams, and pictures. It is a valuable resource for both do-it-yourself enthusiasts and experienced mechanics. The manual provides comprehensive repair and service information, making it an inexpensive way to ensure proper functioning of your vehicle.