•
•
Service
Manual
741 (SIN 501720001 & Above),
742 (SIN 501820001 - 501822999),
743 (SIN 501920001 & Above) &
743DS (SIN 502551001 & Above)
MELROE
~ .
bobcat
INGERSOLL~AND
6566109(4-88) Printed in U.S.A. © Melroe Company 1997
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)
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Bobcat 743 Loader Factory Service & Work Shop Manual
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Access PDF Contents & Bookmarks
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Print one or all pages of your manual
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What's Included?
Lifetime Access
Fast Download Speeds
Online & Offline Access
Access PDF Contents & Bookmarks
Full Search Facility
Print one or all pages of your manual
Upon purchasing this manual, you will receive a .PDF file containing an email contact. After contacting us, you will receive a reply with a link to access the manual for your Bobcat 743 Loader.
This comprehensive manual covers every aspect of your machine, providing detailed instructions for tasks ranging from an oil change to a transmission swap. With hundreds of pages, it includes numerous illustrations and easy-to-follow text to assist you in your maintenance and repair work. The manual also features a search function, allowing you to easily navigate and print the necessary pages.
Designed as a Factory Service Repair Manual, it offers a step-by-step guide to maintaining and repairing your machine, imparting the expertise of factory-trained technicians. By utilizing the knowledge within this manual, owners can confidently make informed decisions about their machine's maintenance and repair needs.
Our commitment extends beyond providing a high-quality service manual; we also ensure excellent customer service, guaranteeing your satisfaction.
