Bush Hog CBH60, CBH70, CBH80 manual

ASSEMBLY ll OPERATION ll MAINTENANCE

06/09 Rev. 2 $4.00 50065802

BUSH HOG

BBaacckkhhooee MMooddeellss

CBH60 / CBH70 / CBH80

OOppeerraattoorr’’ss MMaannuuaall

Contents

Main CONGRATULATIONS! Operators Manual BUSH HOG BACKHOE MODELS CBH60, CBH70, CBH80 TABLE OF CONTENTS SECTION/PARA PAGE RETAIL CUSTOMERS RESPONSIBILITY UNDER THE BUSH HOG WARRANTY LIMITED WARRANTY OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO DISCLAIMER OF IMPLIED WARRANTIES & CONSEQUENTIAL DAMAGES THIS LIMITED WARRANTY SHALL NOT APPLY: DEALER PREPARATION CHECK LIST Safety Alert Symbol Safety Signs Signal Words IMPORTANT SAFETY PRECAUTIONS 5 THE TRACTOR THE BACKHOE AVOID HIGH-PRESSURE FLUIDS SAFETY PRECAUTIONS CONTINUED Page IMPORTANT FEDERAL LAWS AND REGULATIONS* CONCERNING EMPLOYERS, EMPLOYEES AND OPERATIONS. DUTIES EMPLOYEE TRACTOR OPERATING INSTRUCTIONS: GENERAL OPERATION Figure 3a Lock Pins Storage Locations !! CAUTION Page PLACING THE STABILIZERS WHEN TRANSPORTING ON A TRAILER DO NOT CHAIN BACKHOE DOWN IN ORDER TO SECURE TRACTOR TO TRAILER FILLING THE BUCKET DUMPING THE BUCKET 13 SIDE SLOPE EXCAVATING OR TRENCHING MISCELLANEOUS 14 FINISHING STRAIGHT WALLS BACKFILLING SERVICE LUBRICATION Tightening Nuts and Bolts REMOVAL FROM TRACTOR - STORAGE Place Blocking Under Backhoe Frame For Support STABILIZER PADS Hydraulic Trouble Shooting !!WARNING TROUBLESHOOTING PROCEDURES Page Page Page Page Page Page MODEL CBH 60 MONOBLOCK VALVE REPAIR - DISASSEMBLY MODEL CBH 60 MONOBLOCK VALVE MODEL CBH 70, CBH 80 VALVE REPAIR - DISASSEMBLY MODEL CBH 70, CBH 80 VALVE ASSEMBLY - CBH 60, CBH 70, CBH 80 MOUNTING KITS AND OPTIONAL KITS ASSEMBLY 3-POINT HITCH LINKAGE FOR CBH 60 & CBH 70 General Description Mounting Backhoe to Tractor 3-Point Hitch Linkage !! WARNING! Model CBH60 Backhoe MODEL CBH70 BACKHOE !! WARNING Page MODEL CBH80 BACKHOE Page PTO PUMP & RESERVOIR KIT INSTALLATION General Description CBH70 4.5 GPM Pump Page General Description CBH 80 6.1 GPM Pump Page Page Hook-Up Requirements Backhoe Operation POWER BEYOND KITS FOR TRACTORS WITH OPEN-CENTER HYDRAULIC SYSTEMS FIRST PROCEDURE BUSH HOG BACKHOE & BUSH HOG LOADER VALVE Page Power Beyond Model CBH60 - FIGURE 24 Power Beyond Model CBH70 & CBH80 - FIGURE 25 MECHANICAL THUMB INSTRUCTIONS - FIGURE 26 Thumb Operation Installing Thumb to Backhoe MECHANICAL THUMB ASSEMBLED Page Page BOLT DIAMETER WRENCH (IN.) B AND SAE SAE SAE SIZE (IN.) A THREAD SIZE GRADE 2 GRADE 5 GRADE 8 TORQUE SPECIFICATIONS 51 METRIC Numbers appearing on bolt heads indicate ASTM class. AMERICAN