Bush-hog BH750 Bedienungsanleitung

ASSEMBLYll OPERATION ll MAINTENANCE1107 $4.0050033052BBaacckkhhooeessBH650 / BH750 / BH850 / BH950OOppeerraattoorr’’ss MMaannuuaallBUSH HOG®

GENERAL OPERATIONCAUTIONT o a v o i d p o s s i b l ei n j u r y , o b s e r v e t h efo llo w in g s a fe ty ru le sB E F O R EO P E R A

SWING LEFT AND RAISE the boom by moving thecontrol lever back and to the left.SWING RIGHT AND LOWER the boom by movingthe lever forward and to the r

Smooth, light handling of the controls will result in themost efficient backhoe operation.Operate the backhoe control levers to become famil-iar with

CAUTIONTo avoid possible injury, observe the following safetyrules when transporting the backhoe:1. ALWAYS engage safety locks as shown on Figs. 1and

General OperationsFILLING THE BUCKETControl the bucket attitude throughout the digging cycle tokeep teeth at the proper angle for best penetration.

General OperationsSIDE SLOPE EXCAVATING OR TRENCHINGDig with the backhoe uphill whenever possible.Level the backhoe on slopes with the stabilizers to

Hydraulic System HosesOil leaks in the pressure side of the system can belocated by carefully inspecting the external area ofthe hoses and fittings

TOOTH REPLACEMENTBolt-On tooth points, when worn, can be replaced byremoving the hardware that connects it to the cuttingedge. Install new tooth and r

REMOVAL FROM TRACTOR - STORAGEThe backhoe is self-assisting during the installationand removal procedures. For removal and storage,follow these s

STABILIZER PADSThe backhoe is supplied with flip-over stabilizer feetas standard equipment. They are suitable for mostbackhoe work and generally

CONGRATULATIONS!You have invested in the best implement of its type on the market today.The care you give your Bush Hog implement will greatly determi

18TROUBLESHOOTING (Continued)Problem Cause CorrectionMachine loses power after Diverter valve on prime move Diverter valve may need rebuilding oropera

19Troubleshooting (Continued)Problem Cause CorrectionLoss of power in any one Worn or damaged rod seals on Repack cylinder. Rebuild cylinder,cylinder

20Troubleshooting (Continued)Problem Cause CorrectionSlow operation of machine Relief valve setting in backhoe Relief pressure will have to be checked

21Troubleshooting (Continued)Problem Cause CorrectionLeaky cylinders Oil is bypassing cylinder piston, Replace or rebuild the cylinder; replacescored

Troubleshooting (Continued)Problem Cause CorrectionUnable to push valve Paint on valve spool; sticking Clean valve spool. Binding is usually spool in

Replace Center Section Assemblies:Note: For the purpose of these instructions we will considerthe section containing the MAIN RELIEF VALVE as the left

3. Remove parts bag containing bucket pins frombackhoe. Attach bucket (D) to dipperstick (B) usingone pin, 3/8” bolt, and locknut.4. Attach bucket

263-Point Hitch Linkage BH650 & BH750The backhoe is mounted on the tractor lower linkarms and an adjustable upper link is supplied torepla

27ASSEMBLY (Refer to Figures 14 & 15)IMPORTANT: Tighten all hardware to the torquerequirements specified in the torque chart.To prevent bodily inj

BH850/BH9503-POINT HITCH LINKAGE 3-Point Hitch LinkageThe backhoe is mounted on the tractor lower linkarms and an adjustable upper link is suppli

BACKHOESOperator’s ManualTABLE OF CONTENTSSECTION/PARA PAGEWarranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Dealer Preparation Ch

ASSEMBLYIMPORTANT: Tighten all hardware to the torquerequirements specified in the torque chart on page 45.To prevent bodily injury, do not operate b

General DescriptionThe PTO Pump Kits consist of those parts requiredto power the backhoe from the tractor’s PTO shaft.They include the PTO pump (6 o

identical fitting to “In/Pressure” port of bulkhead con-nection. Orient fittings so that free ends of fittingspoint horizontally toward center of b

Figure 1832valve or other accessory valve is connected to thetractor system, and whether the tractor has an open-center system (constant pumping of

33Since the Power Beyond Kit is used with open-cen-ter tractor hydraulic systems, oil constantly flowsfrom the pump, through the backhoe valve and t

Hydraulic Hook-Up (BH750, BH850, BH950)For Tractors With Closed-Center Hydraulic Systems(Figure 21)There are two basic types of hydraulic systems, ope

35POWER BEYOND KITSFOR TRACTORS WITH OPEN-CENTER HYDRAULIC SYSTEMSGeneral DescriptionA power beyond application is required to convert ahydraulic valv

BUSH HOG BACKHOE & BUSH HOG LOADER VALVEFigure 23NOTE: Large loader valve (Walvoil)shown. Small loader valve porting isdifferent. Refer to loader

-SECOND PROCEDUREASSEMBLY OF A BUSH HOG BACKHOETO A NON BUSH HOG LOADER VALVE -OR - BUSH HOG BACKHOE TO LOADERVALVE USING PTO PUMP KIT OPTIONAssembly

FLOW DIVIDER KIT (Optional)General DescriptionThe Flow Divider Kit consists of those parts requiredto power the backhoe from tractors or skid stee

LIMITED WARRANTYOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOBush Hog warrants to the original purchaser of any new Bush Hog equipment, purchased from an authorized

Tractors with an auxiliary hydraulic flow greaterthan 15 gpmConnect JIC swivel run tee (9) to 90° male adapter (10)on “K2” port on valve as shown in F

Skid Steers with an auxiliary hydraulic flow of 15gpm or less - Figure 29Assemble straight male adapter (6) to “K3” port onvalve as shown in Figur

41Figure 29FOR SKID STEER HYDRAULICFLOW OF 15 GPM OR LESSFigure 30FOR SKID STEER HYDRAULICFLOW GREATER THAN 15 GPMTo Backhoe Bulkhead“Return” Conne

BACKHOES - DIMENSIONS AND SPECIFICATIONS42Specifications May Vary Depending on Tractor Model and are Subject to Change Without Notification. Tractors

REPOSITION STABILIZER CYLINDERS BEFOREREMOVING BACKHOE FROM SHIPPING PALLETCylinder ports must be pointing upward and hoses routed above the cylinder

SAFETY DECALSThe safety of the operator was a prime consideration in the design of the backhoe. Proper shielding, convenientcontrols, simple adjustmen

B O L T D IA M E T E RW R E N C H (IN .) “ B ” A N D S A E S A E S A ES IZ E (IN .) “ A ” T H R E A D S IZ E G R A D E 2 G R A D E 5 G R A D E 8

P.O. Box 1039 llSelma, AL 36702-1039Telephone (334) 874-2700 ll www.bushhog.com

DEALER PREPARATION CHECK LISTBH650 - BH750 - BH850 - BH950 BACKHOESBEFORE DELIVERING MACHINE - The following check list should be completed.Use the Op

Safety Alert SymbolThis Safety Alert Symbol means: “ATTENTION! BECOME ALERT!YOUR SAFETY IS INVOLVED!”This symbol is used to call attention to safety

IMPORTANT SAFETY PRECAUTIONSThis symbol is used to call attention to safe-ty precautions that should be followed by the operator to avoid accidents. W

12. DO NOT dig under stabilizers or tractor backhoe. Soft ground or sandy soil can cause cave-ins.13. KEEP BUCKET away from the stabilizer area to avo

IMPORTANT FEDERAL LAWS AND REGULATIONS* CONCERNINGEMPLOYERS, EMPLOYEES AND OPERATIONS.*(This section is intended to explain in broad terms the concept