Land Pride BH3512 manuale d’uso

Cover photo may show optional equipment not supplied with standard unit. © Cop yright 2008 Pr inted Read the Operator’ s manual entirely . When you see this symbol, the subsequent instructions and warnings are ser ious - f ollow without exception. Y our life and the liv es of others depend on it! ! T ab le of Contents 20555 340-131M 7/14/08 BH35[...]

BH3512 Backhoes 340-131M 7/14/08 Land Pride T ab le of Contents T able of Contents © Copyright 2008 All rights Reser v ed Land Pride provides this publication “as is” without w arranty of any kind, either expressed or implied. While ev ery precaution has been taken in the preparation of this manual, Land Pride assumes no responsibility for err[...]

1 Important Safety Information 7/14/08 BH3512 Backhoes 340-131M Land Pride T ab le of Contents ▲ Important Safety Information These are common practices that may or ma y not be applicable to the pr oducts described in this manual. Safety at All Times Thoroughl y read and understand the instructions given in this manual bef ore operation. Refer to[...]

2 Important Safety Information BH3512 Backhoes 340-131M 7/14/08 Land Pride T ab le of Contents These are common practices that may or ma y not be applicable to the pr oducts described in this manual. T ransport Machinery Safel y ▲ Comply with state and local laws . ▲ Maximum transport speed for implement is 20 mph. DO NO T EXCEED . Nev er trav [...]

3 Important Safety Information 7/14/08 BH3512 Backhoes 340-131M Land Pride T ab le of Contents Prepare for Emer gencies ▲ Be prepared if a fire star ts. ▲ K eep a first aid kit and fire e xtinguisher handy . ▲ K eep emergency numbers f or doctor , ambulance , hospital and fire depar tment near phone. 911 W ear Protective Equipment ▲ Pro[...]

4 Important Safety Information BH3512 Backhoes 340-131M 7/14/08 Land Pride T ab le of Contents Safety Labels Your backhoe comes equipped with all safety labels in place. They were designed to help you safely operate your implement. Read and follow their directions. 1. Keep all safety labels clean and legible. 2. Replace all damaged or missing label[...]

5 Important Safety Information 7/14/08 BH3512 Backhoes 340-131M Land Pride T ab le of Contents 19366 818-339C Warning: High Pressure 19366 839-933C Warning: General 19366 839-932C Caution: Watch your step[...]

6 Introduction BH3512 Backhoes 340-131M 7/14/08 Land Pride T ab le of Contents parts and equipment needed to service the backhoe. The parts on your backhoe have been specially designed and should only be replaced with genuine Land Pride parts. Therefore, should your backhoe require replacement parts go to your Land Pride Dealer. Serial Number Plate[...]

7 Introduction 7/14/08 BH3512 Backhoes 340-131M Land Pride T ab le of Contents Backhoe Operation, Maintenance & Safety Tips 1. Y our bac khoe must be mounted only on a tractor equipped with a Categor y 1 or 2 hitch or Skid Steer Hitch. F ailure to do so ma y result in ser ious injur y . 2. When ser vicing the backhoe , make sure all moving par [...]

8 Section 1: Assembl y and Set-Up BH3512 Backhoes 340-131M 7/14/08 Land Pride T ab le of Contents Section 1: Assembly and Set-Up Tractor Requirements ! CAUTION! Y our bac khoe must be mounted only on a tractor equipped with a Cate gory 2 and 3 hitch. F ailure to do so may result in serious injury . Hydraulic System Requirements ! CAUTION! The backh[...]

9 Section 1: Assembl y and Set-Up 7/14/08 BH3512 Backhoes 340-131M Land Pride T ab le of Contents Power Beyond Closed Center Kit Part No. 340-084A For power beyond applications, a Power Beyond and Closed Center Kit (Part # 340-084A) must be purchased from your Land Pride Dealer, then perform the following steps: 3. Remov e retur n hose and elbow , [...]

10 Section 1: Assembl y and Set-Up BH3512 Backhoes 340-131M 7/14/08 Land Pride T ab le of Contents b . Attach the 1/2” street ell to the RETURN POR T on the reser voir . This is the por t located on the r ight side of the reser voir . c. Attach the reser voir to the bac khoe as shown in the dra wings that come with the pump kit. d. Bolt the torqu[...]

11 Section 1: Assembl y and Set-Up 7/14/08 BH3512 Backhoes 340-131M Land Pride T ab le of Contents Testing Procedure for Hydraulic Circuits Identification of terminology: 1. PSI (P ounds per square inch)-Represents P ow er 2. GPM (Gallons per minute)-Represents Speed A glycerin filled hydraulic pressure gauge (located on the right hand side of the [...]

12 Section 1: Assembl y and Set-Up BH3512 Backhoes 340-131M 7/14/08 Land Pride T ab le of Contents boom, the power crowd side of the dipper stick, and both sides of the swing. If the circuit relief is faulty, it could be caused by dirt. This could be rectified by removing and cleaning the circuit relief. See instructions for Circuit Relief Valve. C[...]

13 Section 1: Assembl y and Set-Up 7/14/08 BH3512 Backhoes 340-131M Land Pride T ab le of Contents Using Tractor Hydraulics All Tractors If you wish to use the tractor hydraulic system, consult the dealer of your tractor for a safe and proper method of connecting the Land Pride BACKHOE to your tractor. Using Tractor Hydraulics John Deere The return[...]

14 Section 1: Assembl y and Set-Up BH3512 Backhoes 340-131M 7/14/08 Land Pride T ab le of Contents 2. Back tr actor against backhoe in mounting position. 3. Connect tractor’ s upper 3-point to backhoe. 4. Apply h ydraulic power to the bac khoe. 5. Raise the boom to take the tension off of the boom lock so y ou can release the lock. Figure 1-6. T [...]

15 Section 1: Assembl y and Set-Up 7/14/08 BH3512 Backhoes 340-131M Land Pride T ab le of Contents 9. Attach the backhoe to the lower lift ar ms of the tractor using the pins that are attached to the pallet. Ref er to Figure 1-9. 10. Remov e the two 7/8” bolts in order to free the top link. Ref er to Figure 1-9. 11. Mount the top link to the trac[...]

16 Section 1: Assembl y and Set-Up BH3512 Backhoes 340-131M 7/14/08 Land Pride T ab le of Contents Bucket Installation Refer to Figure 1-10: Assemble the bucket (#1) with the pins (#2) and roll pins (#3) as shown. Locking Bar Installation (Optional) 1. After the backhoe is attached to the tractor in working position proceed with the follo wing step[...]

17 Section 2: Operating Instructions 7/14/08 BH3512 Backhoes 340-131M Land Pride T ab le of Contents 19563 Unloading Backhoe Fr om T railer Figure 2-1 Preparing For Operation Preparing The Backhoe Unlock the boom lock. You may have to raise the boom in order to relax the tension on the lock. Preparing The Tractor Move the tractor’s gearshift leve[...]

18 Section 2: Operating Instructions BH3512 Backhoes 340-131M 7/14/08 Land Pride T ab le of Contents When hauling the backhoe on a trailer lower the dipper stick to the trailer if possible. See Figure 2-2. Observe the following precautions while transporting the backhoe with tractor: 1. When trav eling on roads, use the proper safety lights and war[...]

19 Section 2: Operating Instructions 7/14/08 BH3512 Backhoes 340-131M Land Pride T ab le of Contents Digging Suggestions ! CAUTION! Always be sur e that the stabilizers maintain contact with the gr ound during digging operations. T ake the time to r eadjust the stabilizers when necessary during digging . Befor e you begin digging, e xtend the stabi[...]

20 Section 2: Operating Instructions BH3512 Backhoes 340-131M 7/14/08 Land Pride T ab le of Contents Bucket After you have filled the bucket, do not pull the dipper stick any closer to the boom than is necessary in order to clear the hole. When the bucket is clear, swing it to the side to dump. Always start dumping far enough to the side so as not [...]

21 Section 3: Maintenance and Lubrication 7/14/08 BH3512 Backhoes 340-131M Land Pride T ab le of Contents Section 3: Maintenance and Lubrication Bucket Tooth Replacement To remove a tooth: 1. Heat the tooth with a torch at point “A” (this is the compressed area that ov erlaps “B”). 2. Hammer at the top of the tooth until the tooth comes fre[...]

22 Section 3: Maintenance and Lubrication BH3512 Backhoes 340-131M 7/14/08 Land Pride T ab le of Contents Bucket Cylinder Base End Type of Lubrication: Multipurpose Grease Quantity = As required 25 25 Bucket Pivot Type of Lubrication: Multipurpose Grease Quantity = As required 50 Multipurpose spray lube Multipurpose grease lube Multipurpose oil lub[...]

23 Section 3: Maintenance and Lubrication 7/14/08 BH3512 Backhoes 340-131M Land Pride T ab le of Contents Boom Pivot Type of Lubrication: Multipurpose Grease Quantity = As required 25 Boom Cylinder Rod End Type of Lubrication: Multipurpose Grease Quantity = As required 25 20557 20555 Boom Cylinder Base End Type of Lubrication: Multipurpose Grease Q[...]

24 Section 3: Maintenance and Lubrication BH3512 Backhoes 340-131M 7/14/08 Land Pride T ab le of Contents 20555 Boom Swing Cylinder Base End Type of Lubrication: Multipurpose Grease Quantity = As required 25 25 Stabilizer Arms Type of Lubrication: Multipurpose Grease Quantity = As required Boom Swing Cylinder Rod End Type of Lubrication: Multipurpo[...]

25 Section 4: Specifications & Capacities 7/14/08 BH3512 Backhoes 340-131M Land Pride T ab le of Contents Section 4: Specifications & Capacities BH35 Series Backhoes BH3512 T ractor Horse P ower Rating 50 -150 Maximum Dig ging Depth 12’ 6” Digging Depth 2” Flat Bottom 12’ Reach fr om Swing Pivot 14’ 6” T ranspor t Height 9’ 3[...]

26 Section 5: Features and Benefits BH3512 Backhoes 340-131M 7/14/08 Land Pride T ab le of Contents Section 5: F eatures and Benefits BH35 Series Backhoes Features Benefits T ractor HP range 50-150 HP Hitch – 3-P oint Rigid Hitch Mount with Stabilizing Kit f or Maximum digging stability . T ubular Construction T ubular and box designed fr ame, o[...]

27 Section 6: T r oubleshooting 7/14/08 BH3512 Backhoes 340-131M Land Pride T ab le of Contents Prob lem Cause Solution Sticking plungers in Hydraulic V alve Excessively high oil temper ature. Eliminate restrictions in pipe lines and filter ing system. Dir t in oil. Change oil-clean system. Pipe fittings too tight. Check torque . V alve warped fr[...]

28 Section 6: T r oubleshooting BH3512 Backhoes 340-131M 7/14/08 Land Pride T ab le of Contents Slow operation and poor Hydraulic System performance Engine speed too low . Adjust RPM’ s. Def ective pump . Check pressure or replace . Load too heavy . Check line pressure . F aulty main relief valv e. Clean or replace main relief valv e. Internal va[...]

29 Section 7: Appendix 7/14/08 BH3512 Backhoes 340-131M Land Pride T ab le of Contents Section 7: Appendix Torque Values Chart in-tpi 1 N·m ft-lb 3 N · m ft-lb N · m ft-lb mm x pitch N · m ft-lb N · m ft-lb N · m ft-lb 1/4" - 20 7.4 5.6 11 8 16 12 M 5 X 0 . 8 436597 1/4" - 28 8.5 6 13 10 18 14 M 6 X 1 75 11 8 15 11 5/16" - 18 1[...]

30 Section 7: Appendix BH3512 Backhoes 340-131M 7/14/08 Land Pride T ab le of Contents Notes[...]

31 Section 7: Appendix 7/14/08 BH3512 Backhoes 340-131M Land Pride T ab le of Contents Warranty Land Pride warrants to the original purchaser that this Land Pride product will be free from defects in material and workmanship beginning on the date of purchase by the end user according to the following schedule when used as intended and under normal [...]

Cor porate Office: PO . Bo x 5060 Salina, Kansas 67402-5060 USA www .landpr ide.com[...]