Table of Contents
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----------- CONTENTS -----------
INTRODUCTION ....................................................................................................................................4
SAFETY PRECAUTIONS ......................................................................................................................5
OPERATION .....................................................................................................................................6-12
Pre-Operation Check List................................................................................................................6
Operating Directions........................................................................................................................6
Engine Speed..................................................................................................................................6
Controls...........................................................................................................................................6
Boom / Swing ..................................................................................................................................6
Dipperstick / Bucket.........................................................................................................................7
Left Hand Stabilizer.........................................................................................................................7
Right Hand Stabilizer.......................................................................................................................7
Operating the Backhoe....................................................................................................................7
Transporting the Backhoe ...............................................................................................................8
Placing the Stabilizers.....................................................................................................................8
Filling the Bucket.............................................................................................................................9
Dumping the Bucket........................................................................................................................9
Trenching Between a Building and Open Excavations ..............................................................9-10
Side Slope Excavating or Trenching .............................................................................................10
Miscellaneous................................................................................................................................10
Finishing Straight Walls.................................................................................................................11
Backfilling ......................................................................................................................................11
Seat Adjustment............................................................................................................................11
Swing Lock....................................................................................................................................12
Boom Lock ....................................................................................................................................12
Transporting Backhoe ...................................................................................................................12
Removal From Tractor and Storage..............................................................................................12
SERVICE.........................................................................................................................................13-14
Beginning of Season .....................................................................................................................13
Hydraulic Hoses ............................................................................................................................13
Hydraulic System Reservoir..........................................................................................................13
Bucket Tooth Points ......................................................................................................................14
Tightening Nuts and Bolts .............................................................................................................14
Lubrication.....................................................................................................................................14
HYDRAULIC TROUBLE SHOOTING.............................................................................................15-16
CYLINDER SERVICE ..........................................................................................................................17
VALVE SERVICE............................................................................................................................18-20
Backhoe Control Valve Illustration & Parts List.............................................................................18
Replacing Sections........................................................................................................................19
Replacing Section Seals ...............................................................................................................19
Spool Seal Removal......................................................................................................................19
Spool Seal Installation...................................................................................................................20
Replacing Damaged Backup Rings...............................................................................................20
Installing Spring Centering Spool Positioner and Float Positioner Kit...........................................20
Replacing Spool Ends...................................................................................................................20
Relief Valve Cartridge Table .........................................................................................................20
PARTS ILLUSTRATIONS ..............................................................................................................21-26
Mainframe .....................................................................................................................................21
Swing Frame .................................................................................................................................22
Boom.............................................................................................................................................23
Dipperstick.....................................................................................................................................24
Seat...............................................................................................................................................25
Hydraulics......................................................................................................................................26
SPECIFICATIONS ..........................................................................................................................27-29
SAFETY DECALS................................................................................................................................30
F-3546-3-04
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