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- 7 -

POWER UNIT SPECIFICATIONS 

 

 
IMPORTANT 

Exceeding any of the recommended power unit specifications 

 

CAN 

result in damage to your power unit and/or this product and 

 

WILL 

void all HLA warranties. 

 

 
 

BACKHOE INSTALLATION INSTRUCTIONS 

 

 

1.  Place this product on a firm, level surface that is large enough to safely accommodate this product, your power unit and all 
 

workers involved in the mounting process. 

2.  Be sure all connection points are properly secured. 
3.  Refer  to  the  operator’s  manual(s)  for  your  power  unit,  loader  and  quick-attach  and  follow  the  mounting  instructions 
 

contained therein. 

4.  Carefully  raise  the  loader arms  and  cycle  the  tilt  cylinders  to  check  clearances  and  to  verify  that all mounting  procedures 
 

have been successfully completed. 

5.  All power units 

MUST

 have a port relief installed on its hydraulic tilt circuit. 

 

 

BACKHOE HYDRAULIC CONNECTION 

 

 
1.  Disconnect the hydraulic hose quick couplers from one another and attach the quick couplers to your power unit as per the 
 

instructions in your power unit’s operator’s manual. 

2.  Carefully raise the loader arm and cycle the tilt cylinders to check hose clearances and to check any interference. 
 
 
 

 

 
 
 

LOADER DESCRIPTION 

MAXIMUM BUCKET SIZE 

LESS THAN 25 HORSEPOWER 

DO NOT USE MINI-HOE 

25 – 35 HORSEPOWER 

12” BUCKET 

35 – 45 HORSEPOWER 

18” BUCKET 

45 OR GREATER HORSEPOWER 

20” BUCKET 

POWER UNIT’S TILT CURCUIT HAS NO PORT 
RELIEF 

INSTALL RELIEF VALVE FOR POWER UNIT’S 
TILT CIRCUIT 

SAFETY FIRST!! READ AND UNDERSTAND THE SAFETY INSTRUCTIONS 

(pages 3-6 

of this manual)

 BEFORE BEGINNING ANY BACKHOE MOUNTING 

SAFETY FIRST!! READ AND UNDERSTAND THE SAFETY INSTRUCTIONS 

(pages 3-6 

of this manual)

 BEFORE BEGINNING ANY BACKHOE HYDRAULIC CONNECTION 

 

WARNING

 

Do not lock the auxiliary hydraulics of your tractor or power unit in the “ON” position.  
Failure to obey this warning could result in death or serious injury. 

Содержание BIG ARM BH600

Страница 1: ...OPERATOR S MANUAL BH600 Manual Number BH600 08_1 August 2008 ...

Страница 2: ......

Страница 3: ...on 3 6 Definitions of Safety Terms and Symbols Accident Prevention 3 Safety Instructions 4 5 Safety Signs 6 Power Unit Specifications 7 Installation Instructions 7 Hydraulic Instructions 7 Operation 8 9 Maintenance 10 Service 10 Mounting Locations 11 Parts Illustrations 12 13 Grease Zerk Locations 14 Selector Valve Diagram 14 Hydraulic Parts List 15 Hydraulic Plumbing 16 Specifications 17 Troubles...

Страница 4: ...taining your Big Arm Read this manual carefully to obtain valuable information and instructions that will help you achieve safe and dependable service The illustrations and data used in this manual were current at the time of printing but due to possible engineering and or production changes this product may vary slightly in detail HLA reserves the right to redesign and or change components as nec...

Страница 5: ... accident prevention program can be successful without the wholehearted cooperation of the person who is directly responsible for the operation of the equipment If accidents are to be prevented and accidents can be prevented that prevention will come from equipment operators who accept their complete responsibility and anticipate the results of their actions The designer the manufacturer and the s...

Страница 6: ...ny type of work on this product lower this product to the ground apply your power unit s parking brake stop the engine remove the starter key wait for all moving parts to stop and then relieve all pressure in the hydraulic lines Refer to your power unit s operator s manual for instructions on how to relieve hydraulic pressure in lines Know your loader s safe lifting and operating capacity and the ...

Страница 7: ...t all safety signs are in place and legible Refer to the safety sign page in this manual for the placement of safety signs for this product Replace all damaged or excessively worn parts and hardware only with genuine HLA parts or with properly rated fasteners hydraulic hoses or fittings Make certain that all locking pins latches and connection devices are properly installed and secured Make certai...

Страница 8: ...n to the position shown on the diagram above and smooth out any bubbles Item A Item B ITEM QTY PART DESCRIPTION A 1 BHW01 Injury warning B 1 BHW02 Backhoe damage C 1 BHW03 Hydraulic D 1 BHW04 Pinch point INSTRUCTIONS Keep all safety signs clean and legible Replace all missing illegible or damaged safety signs Replacement parts for parts with safety signs attached must also have safety signs attach...

Страница 9: ...circuit BACKHOE HYDRAULIC CONNECTION 1 Disconnect the hydraulic hose quick couplers from one another and attach the quick couplers to your power unit as per the instructions in your power unit s operator s manual 2 Carefully raise the loader arm and cycle the tilt cylinders to check hose clearances and to check any interference LOADER DESCRIPTION MAXIMUM BUCKET SIZE LESS THAN 25 HORSEPOWER DO NOT ...

Страница 10: ...linder extended to allow the bucket to penetrate the soil 3 As the bucket fills extend the bucket cylinder and extend the dipper or raise the loader arms to lift the bucket clear of the hole 4 The depth of the hole will be controlled by the amount the dipper is extended and the height of the loader arms Use extreme care when working on hillsides Always dump loaded bucket on uphill side of backhoe ...

Страница 11: ...tick attachment mainframe forward with the bucket cylinder extended and the bottom of the bucket flat on the ground The entire height of the bucket should be visible 2 Use the loader s tilt cylinder only to raise the bucket above the material pile 3 Pivot the loader to reach over the pile and tilt the backhoe downward so the bottom of the bucket is approximately 12 below the top of the pile 4 Pivo...

Страница 12: ...unting make sure pins are fully inserted pin retainer bolts are properly tightened Dipperstick can be mounted to center or right side of frame Center mount is recommended for digging in an open area Side mount is recommended for digging beside a wall DANGER Increased roll over hazard ...

Страница 13: ... to page 15 for diagram BACKHOE SERVICE Shut off engine set parking brake and relieve hydraulic pressure before connecting or disconnecting hydraulic lines Refer to your power unit s manual for instruction on how to relieve hydraulic pressure in lines Before applying pressure to the system be sure that all connections are tight and be sure there are no damaged hoses lines or fittings Wear safety g...

Страница 14: ... 12 ...

Страница 15: ... 13 ...

Страница 16: ... 14 ...

Страница 17: ... 15 ...

Страница 18: ...BLY 1 4 6m3k 8fjx90 6fjx 75 HOSE ASSEMBLY 1 5 6400 8 10 8mj 10mb STRAIGHT 4 6 6501 6 8 8fjx 6mp90 2 7 2501 6 6 6mj 6mp90 3 8 2404 6 6 6mj 6mp STRAIGHT 1 9 FT 03 NPT THROTTLE VALVE 2 1 2 3 4 A 2 B 2 C 2 D 2 A 2 B 2 D 2 C 2 A 1 B 1 D 1 C 1 5 6 9 7 8 7 7 6 9 5 5 5 SWING CYLINDER DIPPER STICK CYLINDER DIVERTOR VALVE SSBH HYDRAULICS A 1 B 1 C 1 D 1 ...

Страница 19: ...TO SKID STEER ROD END ROD END DIVERTOR VALVE THROTTLE VALVE SSBH36 024 SSBH36 024 SSBH64 025 SSBH47 026 HYDRAULIC SCHEMATIC ...

Страница 20: ...HBT09 9 BUCKET W TEETH 92 SHBT12 12 BUCKET W TEETH 101 SHBT15 15 BUCKET W TEETH 110 SHBT18 18 BUCKET W TEETH 119 SHBT20 20 BUCKET W TEETH 125 SHB09 9 BUCKET W O TEETH 80 SHB12 12 BUCKET W O TEETH 89 SHB15 15 BUCKET W O TEETH 98 SHB18 18 BUCKET W O TEETH 107 SHB20 20 BUCKET W O TEETH 113 ...

Страница 21: ...ses connected incorrectly Correct hydraulic hose connections Aeration of hydraulic fluid generally indicated by foamy appearance of fluid Low hydraulic fluid level Check and refill hydraulic system to proper level Hydraulic fluid foaming due to improper hydraulic oil usage Refer to Power Unit s manual and replace hydraulic oil using recommended hydraulic oil Hydraulic oil heating Dirty oil Drain a...

Страница 22: ... or others Distributor dealer must notify Horst Welding of the defect by phone fax or email Recommended repairs and cost are to be discussed with and agreed on by an authorized Horst Welding representative Repair and labor at an agreed rate will be performed by a dealer for Horst Welding or a repair shop designated by Horst Welding All claims must be discussed with a representative of Horst Weldin...

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