Bush Hog CBH60, CBH80, CBH70 manual General Description CBH 80 6.1 GPM Pump

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General Description CBH 80 6.1 GPM Pump

The PTO Pump Kit consists of those par ts required to power the backhoe from the tractor’s PTO shaft. It includes the PTO pump and adapter, reservoir, filtra- tion sys tem, hydraulic h oses, and fittings. In addi - tion, it in cludes a pum p plate w hich attaches to the tractor’s d rawbar an d keeps the pump from t urning the PTO shaft.

NOTE: The speed of the backhoe operation increas- es as PTO speed increases.

Assembly

IMPORTANT - When installing hoses and fitt ings always use thread sealant in permanent connec - tions. Do not use thread sealant in union ends of adapters. Do not over tighten fittings - t hey can split or expand, causing leakage.

IMPORTANT - Have a suitable hoist available before proceeding with loader setup.

1.Assemble Filler Tube (28) and Br eather Cap with Dipstick (29) to Reservoir Tank (20).

2.Assemb le Reservoir (20) to backhoe main frame using 5/16” NF Locknuts (3).

3.Preassembly of filter Base and Element (23):

Remove Filter Element from base t o e ase installa - tion. Assemble Pipe Nipple (5) to “Inlet” port on filter base (23).

4.Assemble Filter Base (23) to R eservoir Tank (20) using 90 Degree Pipe Elbow (6) and Pipe Nipple (5).

NOTE - Change Filter El ement (30) every time oil is changed.

5.A ssemble Suction H ose (11) to s traight B arbed Fitting (17) using Hose Clamp (18). C onnect assem- bly to 90 Degree Adapter Union (13) installed earlier on the Filter Base and Element (23).

6.Install 90 Degree Adapter Union (26) to upper port on Res ervoir Tank (20). Install 90 Degree Adapter Union (25) to R eturn Lin e “Check Va lve” in up per steel oil line loca ted under Left Ha nd Foot Pad area of the backhoe mainframe. Complete return line con- nection to Reservoir Tank using Steel Oil Line (24).

7.Reinstall Filter Element to the Filter Base.

8.A ssemble Pu mp Plate (27) to Pump (22) using

two 1/2” NF x 1 -3/4” Bolts (1), Lockwasher s (8), and Nuts (4 ). Pump Plate may have to be readjusted later when installed on tractor PTO Shaft. The Plate

may need to be turned 180 degrees to provi de prop- er engagement with t ractor drawb ar and have ade - quate clearances.

9.Slide PTO Adapter (19) onto pump shaft, allowing 1/8” cle arance bet ween A dapter and pump face. Secure P TO Adap ter (19) in place usi ng two Setscrews (9) and 5/16” NC Nuts (2).

10.Assemble Suction Hose (11) t o Pump (22) using Reducer F ittin g (7), Redu cer Fitting ( 14), an d 90 Degree Barbed Fitting (16). Secure Hose using Hose Clamp (18).

11.Connect 36” Hy draulic H ose (21) to Inlet Line steel oil line located under Left Hand Foot Pad area of the backho e ma inframe. Complete connection to Pump using Re ducer Fitting (15) an d 90 Adapter Union (12).

IMPORTANT - If hoses are connected incorrectly, serious damage to the backhoe will result.

12.NOTE: Init ial fil l up of t he Reservoi r Tank will require 4-1/2 gallons of fluid. Fill Reservoir with rec - ommen ded fl uid t o co rrect le vel; re fer t o Service Section in the Backhoe Manual.

13.Install th e backhoe to the t ractor at this time fol - lowing the insta llation procedu re in the Attaching Section of the manual.

14.Slide comp lete Pump a ssembly onto t he PTO shaft of the tractor, making sure locking collar on the PTO Adapter has locked into position.

IMPORTANT - Make sure kinks DO NOT develop in a ny of th e lines. Suction hose can b e sh ort- ened to prevent this problem.

CAUTION

DO NOT REMOVE THE TRACTOR PTO SHIELD!

15.Pump Plate (27) may be adjusted (turned front to back or bottom to top) on Pump (22) for proper fit-up to tractor drawbar or three p oint mount if necessary. The op timum position is to have the plate p ointing down and ove r the drawbar with the offset to wards the tractor. Refer to illustration.

An alternate position for the Pump Plate may have it pointed upwards and re tained by the U pper Ba r of the Three Po int Mount K it. Whatever position is selected, it is importan t that the pu mp be restrained from rotating. Refer to illustration.

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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

CBH60, CBH70, CBH80 specifications

The Bush Hog CBH Series is a prominent lineup of compact, high-performance hydraulic blade mowers ideal for maintaining fields, pastures, and overgrown areas. Comprising models CBH80, CBH70, and CBH60, this series is specifically designed for efficiency and durability, making it suitable for various applications, from agricultural uses to residential properties.

One of the standout features of the CBH Series is its robust construction. Each model is built with a heavy-duty frame designed to withstand the rigors of demanding tasks. The decks are made from high-quality steel, offering enhanced durability while maintaining a lightweight design to optimize performance. With reinforced edges and an innovative design, these mowers guarantee longevity and resistance to wear in challenging environments.

The CBH Series integrates advanced hydraulic systems that ensure smooth operation and maneuverability. The hydraulic drive provides excellent power transmission, allowing users to tackle even the most stubborn vegetation with ease. Each model features adjustable cutting height settings, which give users the flexibility to achieve the desired finish. This adaptability is essential for different terrains and types of foliage.

Another key characteristic of the CBH models is their user-friendly design. The intuitive controls allow for easy operation, making it accessible even for those who may not have extensive experience with machinery. The cutting decks feature a quick-release mechanism, streamlining maintenance and facilitating blade changes when necessary.

The CBH80, CBH70, and CBH60 differ mainly in their width and cutting capabilities. The CBH80 boasts an impressive cutting width of 80 inches, making it ideal for large open fields, while the CBH70 offers a 70-inch cutting width, perfectly balancing efficiency and maneuverability. The CBH60, with a width of 60 inches, is designed for tighter spaces, allowing for easy navigation around trees, fences, and other obstacles.

Safety is paramount in the design of the CBH Series. Each model incorporates features such as safety guards and shields to protect users from debris during operation. Furthermore, the mowers are equipped with a quick-stop system that halts blade rotation almost instantly when the operator releases control, enhancing overall safety.

In conclusion, the Bush Hog CBH Series, with its models CBH80, CBH70, and CBH60, embodies a harmonious blend of power, durability, and user-centric design. Equipped with innovative technologies and safety features, these mowers are well-suited for various operational needs, proving to be invaluable tools for anyone looking to maintain their land effectively. Whether you have extensive acres to manage or a smaller yard, the CBH Series offers the versatility and performance to meet your mowing requirements.
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