Case 680H Loader Backhoe Service Manual 9-69301 - PDF DOWNLOAD

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Service Manual

Service Manual

680H Loader Backhoe

680H Loader Backhoe

All Binders 4.75 in

9-69301

L ______ -

9-69301

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.,.◄----- Large Binder -----1►• 2.85 in

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+- Small Binder 1.63 in

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680H LOADER BACKHOE TABLE OF CONTENTS DIVISION/SECTION

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SECTION NO.

GENERAL Safety Rules, Service Manual Introduction, and Torque Specifications ......................•.........

Maintenance and Lubrication ...•.............•.............

General Engine Specifications ..............................

Detailed Engine Specifications - 336BD Engines .•...•........

1001 1002 1010 1023

ENGINES Engine Diagnosis - See Section 2201 Engine Tune-Up ••..........•...............••..•........•.• 2002 Engine Stall Tests •...............................•......... 2003 Engine Removal and Installation •..••.••...............•..... 2004 Engine Accessories (Air cleaner, muffler, exhaust pipe, radiator, cold start system) ...•.......•....••. 2005 Cylinder Head, Valve Train, and Camshaft ................... 2015 Cylinder Block, Sleeves, Pistons, and Rods ...•............•.. 2025 Crankshaft, Main Bearings, Flywheel, and Oil Seals . _. .....•...•.....•..•....•....•..•............... 2035 Lubrication System with Two Gear Balancer and Oil Pump .•...•..........•......................•......•. 2047 Cooling System ........................•................... 2055 Engine Diagnosis .......................•.......•..•........ 2201 Reconditioning Engine Cylinder Block ....•.................. 2290

FORM NO.

9-69300 9-69300 8-23130 9-78647

8-23140 9-69300 9-69301 9-69300 8-23150 8-23160 8-23170 8-23180 8-23190 8-20110 8-21170

FUEL SYSTEM Fuel System and Filters .....................................

Robert Bosch Fuel Injection Pumps ..........................

17 mm Fuel Injectors .......................................

Fuel Lines, Fuel Tank, and Engine Controls ......•.........•.

Electric Fuel Pump ........................................•

3010 3012 3213 3052 3053

9-75297 9-74937 8-20240 9-69300 9-69300

ELECTRICAL Electrical System Troubleshooting ............•.....•..•.•.• Wiring Diagrams •..................•...................•...

Batteries ..•.•...•.................•...•....................

Starter •.......................•.....•......................

Alternator .......•..............................•.•......•..

Instrument Cluster and Instrument Panel .....................

4002 4003 4005 4006 4007 4009

9-69301 9-69301 9-69301 9-69300 9-69300 9-69300

STEERING Steering System Troubleshooting ...........•..••...........

Steering Control Valve and Steering Column .................

Steering Cylinders ...•.......................•..•..........• Relief Valve and Check Valve ................•............•..

Front Axle ....................•............................

5002 5007 5010 5011 5021

9-69300 9-69300 9-69300 9-69300 9-69300

CASE CORPORATION

9-69300-R1

Printed in U.S.A. Issued September 1981 Revised April 1982