Case 680 Backhoe Loader Service Manual SN 9101501 (9-77442R0) Case 680 Backhoe Loader – PDF Download

Description

Case 680 Backhoe Loader Service Manual SN 9101501 (9-77442R0)

CASE 680 BACKHOE LOADER SERVICE MANUAL SN 9101501 (9-77442R0) CASE 680 BACKHOE LOADER – PDF DOWNLOAD:

SCREENSHOOTS OF THE MANUAL:

DESCRIPTION:

Case 680 Backhoe Loader Service Manual SN 9101501 (9-77442R0)

• STALL CHECKS
• A full throttle stall check should be made periodically by a qualified serviCe man and a re- cord made of maximum engine speed at stall. Stall speed will decrease as engine performance falls off from need of tune up or wear.
• A 5% reduction in stall speed can be interpreted as roughly a 10% reduction in engine performanee.
• Converter and Hydraulic
• Stall The first stall check should be the combined converter hydraulic stall. This check will iso- late engine performanca from the converter and hydraulic system performanCe – proceed as follows: Shift the 4 speed Transmission into 4th gear. apply parking brake – then operate engine at 2150 RPM.
• Shift forward – reverse transmission into either forward or reverse. Place bucket on ground, tilt bucket back and hold tilt lever fully rearward to open hydraulic relief valve. Cenverter and hydraulic system should stall at 1725 – 1775 Engine RPM.

TABLE OF CONTENTS:

Case 680 Backhoe Loader Service Manual SN 9101501 (9-77442R0)

10 SERIES-GENERAL
Specifications C 9-77221
Supplemcntl-Stall speeds C 9-77501
20 SERIES-ENGINE
CylinderHead-DICSOI K 9-76972
Cylindernead-GRSOIj-neococoo-ooon-oocoocno L 9-76961
Assemblles ContainedlnEnglne Block M 9-75222
Engine counter balancer 9-76731-
Waterpumpo 3 977461
SparkIgnltionGOVBrnor “I 9-77451
Govemoerkage sea 9-77511
30 SERIES-FUEL SYSTEM
mjectors Pump Powrcel I 9-75421
Supplement I 9-77481
Carmretor N 9075771
Stmplement I-ThrottleLmkagc N 9-77491
Electrical FuelPump NN 9-77251
40 SERIES-HYDRAULICS
How It Works (Hydraulic System) and
Pressure check [X 9-7730]
HydraulicCyllndcrs oo o AA 9-77271
HydraulicValve D 9-7728]
HydraullcPump DD 9-77291
50 SERIES- STEERING
Steering System O 9-77311
Front Axle In 00 9-7732]
Steering Pump P 9-7747]
60 SERIES-POWER TRAIN
Four Speed Mechanical Transmission
Differential Final Drive and Dmcrentml
Brakes s 9-77341
Supplement to section S 9-77342
Forward-Reverse Transmission SS 9-77331
80 SERIES-ELECTRICAL
Wiring diagrams 9-77251
Electrical F 9-77231
90 SERIES – BIOUNTED EQUIPMENT
Model 34 Backhoe 3D 9-77421

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