Bush Hog manual Series CBH60 CBH70 CBH80

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BACKHOES - DIMENSIONS AND SPECIFICATIONS



SERIES	CBH60		CBH70	CBH80
SERIES	6-1/4 Foot		7-1/4 Foot	8-1/4 Foot
Maximum Digging Depth	76”		87.5”	99.5”
A. Digging Depth (two foot flat bottom)	74.5”		86.5”	98.5”
B. Swing Arc	150°		180°	180°
C. Loading Height (bucket at 60°)	60”		73.5”	82”
D. Reach from Center Line of Swing Pivot	104”		120”	136”
E. Transport Height (maximum)	66”		82”	90”
F. Bucket Rotation	180°		180°	180°
G. Loading Reach (bucket at 60°)	33”		40”	41”
H. Transport Overhang	37”		48.5”	54.5”
I. Undercut	17”		14”	17.5’
J. Stabilizer Spread, up position	58”		61”	54”
K. Stabilizer Spread, down position	74”		89”	99”
Bucket Cylinder Digging Force	2473 lbs.		3540 lbs.	3860 lbs.
Dipperstick Cylinder Digging Force`	1363 lbs.		2173 lbs.	2505 lbs.
Hydraulic Volume Requirements	3 to 4 GPM		4 to 5 GPM	6 to 8 GPM
Hydraulic Pressure Requirements	2000 psi.		2250 psi.	2550 psi.
Recommended Tractor HP Requirements	15 - 25 HP		45 HP	45 - 95 HP
Shipping Weight (less bucket & pallet)	604 lbs.		920 lbs.	1180 lbs.

Specifications May Vary Depending on Tractor Model and are Subject to Change Without Notification. Tractors Must Be Equipped

with ROPS and Seat belt That Will Provide Better Safety.

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Contents CBH60 / CBH70/ CBH80 06/09 Rev $4.00 50065802Congratulations Table of Contents Retail CUSTOMER’S Responsibility Under the Bush HOG WarrantyThis Limited Warranty Shall not Apply Disclaimer of Implied Warranties & Consequential DamagesDealer Preparation Check List CBH60 CBH70 CBH80 BackhoesYour Safety is Involved This Safety Alert Symbol means ATTENTION! Become AlertThis s ymbol is used to call attenti on to safety Tractor Important Safety PrecautionsBackhoe Transportation Adjustments and InspectionAvoid HIGH-PRESSURE Fluids Safety Decals This Act Seeks EMPLOYERS, Employees and OperationsChild Labor Under 16 Years Old PO Sition Befor EControls Lock Pins Storage Locations Operating the Backhoe ! CautionPage Bucket should be lowere d to b ed when possible Block and secure tractor onlyFilling the Bucket Dumping the BucketFinishing Straight Walls MiscellaneousBackfilling Service Beginning of SeasonBleeding Backhoe Hydraulic System Hydraulic System HosesTightening Nuts and Bolts Tooth ReplacementLubrication Install the swing safety l ock pin as shown in Figures 1 Place Blocking Under Backhoe Frame For SupportProblem Cause Correction Troubleshooting ProceduresStabilizer Pads Troubleshooting Troubleshooting Troubleshooting Troubleshooting Troubleshooting Troubleshooting Model CBH 60 Monoblock Valve Repair Disassembly Model CBHModel CBH 70, CBH Valve Repair Disassembly Model CBH 70, CBH 80 Valve Assembly CBH 60, CBH 70, CBH Do not cut a ny st rapping that fastensBackhoe mainframe and swing frame t o Skid base at this timeMounting Kits and Optional Kits Assembly General DescriptionMounting Backhoe to Tractor Point Hitch LinkageModel CBH60 Backhoe AssemblyAttaching KIT Instructions 11 14 16 28 115 Model CBH70 Backhoe Attaching KIT Instructions General DescriptionPage Model CBH80 Backhoe Attaching KIT Instructions Page PTO Pump & Reservoir KIT Installation General Description CBH70GPM Pump Do not Remove the Tractor PTO ShieldCBH GPM Pump Installation General Description CBH 80 6.1 GPM Pump CBH Closed Center System CBH 60 & CBH70 Hydra ulic Ho Ok-Up C BH 80 Fo Tractors With Closed- Center HydraulicSystems Figure Backhoe OperationPower Beyond Kits First ProcedureAssembly of a Bush HOG Backho E to a Bush HOG Loader ValveBush HOG Backhoe & Bush HOG Loader Valve Following instructions are to be used to connect Power Beyond Model CBH60 Figure Power Beyond Model CBH70 & CBH80 Figure Installing Thumb to Backhoe Thumb OperationMechanical Thumb Assembled Page Series CBH60 CBH70 CBH80 Torque Specifications SAE Grade 2 No DashesPage Page Griffin Ave. Selma, AL