
SECTION 1 INTRODUCTION TO SAFETY
Introduction .................................................................................................................................. 1-2
Understand Signal Words ............................................................................................................. 1-2
Safety Summary ........................................................................................................................... 1-3
Attachment Decals....................................................................................................................... 1-5
SECTION 2 ABOUT THE ATTACHMENT
Model Description........................................................................................................................ 2-2
Features........................................................................................................................................ 2-2
Attachment Terms ........................................................................................................................ 2-3
Main Pivot Components............................................................................................................... 2-4
Lower Jaw Components .............................................................................................................. 2-5
Upper Jaw Components .............................................................................................................. 2-5
Mounting Kit Components........................................................................................................... 2-6
BLS Glossary ................................................................................................................................ 2-7
Label Locations ............................................................................................................................ 2-8
SECTION 3 INSTALLATION
Shear Mounting Procedure ...........................................................................................................3-2
Shear Removal ..............................................................................................................................3-4
Shear Storage................................................................................................................................3-4
SECTION 4 OPERATION
Before You Start ............................................................................................................................ 4-2
First Things First ........................................................................................................................... 4-2
Safety Devices You’ll Need ........................................................................................................... 4-2
General Rules for Safe Operation................................................................................................. 4-3
BLS Controls ................................................................................................................................ 4-4
Getting the Feel of the Attachment ............................................................................................. 4-5
Feathering the Controls................................................................................................................ 4-5
SECTION 5 MAINTENANCE
Maintenance Safety Procedures ....................................................................................................5-2
General Rules for Maintenance......................................................................................................5-2
Periodic Service Schedule ............................................................................................................. 5-3
8-Hour Service Required ............................................................................................................... 5-3
40-Hour Service Required.............................................................................................................. 5-3
Recommended Service Tools for Maintenance..............................................................................5-4
8-Hour Inspection Checklist ...........................................................................................................5-5
40-Hour Inspection Checklist ........................................................................................................ 5-6
BLS Lubrication ..............................................................................................................................5-7
Bolt Torque Guidelines................................................................................................................... 5-8
Metric Capscrew Size Guide ......................................................................................................... 5-8
Dry Bolt Torque Charts................................................................................................................... 5-9
Blade Removal...............................................................................................................................5-10
Guide Blade Shimming and Rotation............................................................................................. 5-11
BLS Cutting Blade Rotation...........................................................................................................5-13
Blade Shimming ............................................................................................................................5-17
Critical Wear Areas ....................................................................................................................... 5-18
General Guidelines for Build Up and Hardsurfacing ......................................................................5-21
Hardsurfacing and Build Up Guidelines.........................................................................................5-22
Upper Shear Jaw Build-up and Hardsurfacing.............................................................................. 5-23
Lower Shear Jaw Build-up and Hardsurfacing...............................................................................5-24
Lower Wear Plates Replacement ................................................................................................ 5-26
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