Table of Contents Backhoes BH3512 20555 340-131M Operator’s Manual ! Read the Operator’s manual entirely. When you see this symbol, the subsequent instructions and warnings are serious - follow without exception. Your life and the lives of others depend on it! © Copyright 2008 Printed 7/14/08 Cover photo may show optional equipment not supplied with standard unit.
Land Pride Table of Contents Table of Contents Important Safety Information . . . . . . . . . . 1 Safety at All Times . . . . . . . . . . . . . . . . . . . . . . . . 1 Look For The Safety Alert Symbol . . . . . . . . . . . . 1 Safety Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Introduction . . . . . . . . . . . . . . . . . . . . . . . . 6 Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Using This Manual . . . . . . . . . . . . . . . . . . . . . . . .
Land Pride ▲ Table of Contents Important Safety Information Important Safety Information These are common practices that may or may not be applicable to the products described in this manual. Safety at All Times Look For The Safety Alert Symbol Thoroughly read and understand the instructions given in this manual before operation. Refer to the “Safety Label” section, read all instructions noted on them.
Table of Contents Land Pride Important Safety Information These are common practices that may or may not be applicable to the products described in this manual. Use Safety Lights and Devices Transport Machinery Safely ▲ Slow moving tractors, self- ▲ Comply with state and local laws. ▲ Maximum transport speed for implement is 20 mph. DO NOT EXCEED. Never travel at a speed which does not allow adequate control of steering and stopping. Some rough terrain require a slower speed.
Table of Contents Land Pride Important Safety Information These are common practices that may or may not be applicable to the products described in this manual. Prepare for Emergencies ▲ Be prepared if a fire starts. ▲ Keep a first aid kit and fire extinguisher handy. ▲ Keep emergency numbers for doctor, ambulance, hospital and fire department near phone. Wear Protective Equipment ▲ Protective clothing and equipment should be worn. ▲ Wear clothing and equipment appropriate for the job.
Table of Contents Land Pride Important Safety Information 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 labels. To order new labels go to your nearest Land Pride dealer. 3.
Land Pride Table of Contents Important Safety Information 19366 19366 19366 7/14/08 818-339C Warning: High Pressure 839-933C Warning: General 839-932C Caution: Watch your step BH3512 Backhoes 340-131M 5
Table of Contents Land Pride Introduction Introduction Land Pride welcomes you to the growing family of new product owners. This Backhoe has been designed with care and built by skilled workers using quality materials. Proper assembly, maintenance, and safe operating practices will help you get years of satisfactory use from the machine. Application The BH3512 Backhoe is the ideal tool for farms, drainage ditches, nurseries, golf courses, utilities and cemeteries.
Land Pride Table of Contents Introduction Backhoe Operation, Maintenance & Safety Tips 1. Your backhoe must be mounted only on a tractor equipped with a Category 1 or 2 hitch or Skid Steer Hitch. Failure to do so may result in serious injury. 2. When servicing the backhoe, make sure all moving parts are on the ground. 3. To avoid injury from escaping pressurized hydraulic fluid, move the control levers in all directions before disconnecting any hoses, steel lines, or couplers. 4.
Table of Contents Land Pride Section 1: Assembly and Set-Up Section 1: Assembly and Set-Up Tractor Requirements ! CAUTION! Your backhoe must be mounted only on a tractor equipped with a Category 2 and 3 hitch. Failure to do so may result in serious injury. NOTE: In order to maintain steering control on your tractor, ballast may need to be added to your tractor. To determine whether or not to add the ballast, refer to your tractor’s operator manual.
Table of Contents Land Pride Section 1: Assembly and Set-Up Refer to Figure 1-1: 1. Adjust the Valve Bypass for Closed Center Conversion only. a. Remove the cover nut (#3) from the valve bypass. This exposes a socket head screw. b. Loosen locknut and turn socket head screw in approximately four complete turns, then tighten locknut. c. Replace cover nut. Be sure to replace the washer with the cover nut as it acts as a gasket. 2. Installing the Closed Center Sleeve. a.
Table of Contents Land Pride Section 1: Assembly and Set-Up b. Attach the 1/2” street ell to the RETURN PORT on the reservoir. This is the port located on the right side of the reservoir. c. Attach the reservoir to the backhoe as shown in the drawings that come with the pump kit. d. Bolt the torque bar to the flange mounting of the pump. Use the bolts, lock washers and nuts supplied. e. Connect all fittings as illustrated in the instruction with the PTO hydraulic pump kit for your backhoe.
Table of Contents Land Pride Section 1: Assembly and Set-Up Pressure Line Circuit when Backhoe is removed Quick Coupler Inlet Valve of Backhoe Valve Press.
Table of Contents Land Pride Section 1: Assembly and Set-Up 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. Checking the Cylinders Take a reading at idle speed, with cylinder at end of stoke. Next take another reading at high speed. If the pressure increases with speed, it would indicate a faulty cylinder.
Table of Contents Land Pride Section 1: Assembly and Set-Up 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 hose supplied with your Backhoe will not be long enough. You will have to purchase a 1/2” return hose with a length suitable for the following procedure.
Table of Contents Land Pride Section 1: Assembly and Set-Up 2. 3. 4. 5. Back tractor against backhoe in mounting position. Connect tractor’s upper 3-point to backhoe. Apply hydraulic power to the backhoe. Raise the boom to take the tension off of the boom lock so you can release the lock. Figure 1-6. 6. Remove the pin (#3) and extend the dipper stick cylinder until the rod end lines up with the holes in the dipper stick, re-install pin (#3), bolt (#1) & lock nut (#2). Refer to Figure 1-7.
Table of Contents Land Pride Section 1: Assembly and Set-Up 9. Attach the backhoe to the lower lift arms of the tractor using the pins that are attached to the pallet. Refer to Figure 1-9. 10. Remove the two 7/8” bolts in order to free the top link. Refer to Figure 1-9. 11. Mount the top link to the tractor. There is no correct side up for the top link.
Table of Contents Land Pride Section 1: Assembly and Set-Up Bucket Installation Refer to Figure 1-10: Assemble the bucket (#1) with the pins (#2) and roll pins (#3) as shown. Tractor Lower Link Bucket Installation Figure 1-10 19369 Locking Bar Installation Figure 1-9 Seat Assembly Locking Bar Installation (Optional) 1. After the backhoe is attached to the tractor in working position proceed with the following steps to install the lower drawbar link locks in Figure 1-9. 2.
Table of Contents Land Pride Section 2: Operating Instructions Section 2: Operating Instructions IMPORTANT: When loading or unloading, dipper stick Must be extended to avoid contact with ground. Failure to do so may result in serious damage to backhoe assembly. Refer to Figure 2-1. 19563 Unloading Backhoe From Trailer 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.
Table of Contents Land Pride Section 2: Operating Instructions When hauling the backhoe on a trailer lower the dipper stick to the trailer if possible. See Figure 2-2. Control Functions Refer to Figure 2-3: In front of you there are four control levers. Right and Left are determined from a seated position in the operator’s seat. Refer to “Description of Major Backhoe Parts” Figure 1-5 on page 13 for the following controls.
Land Pride Table of Contents Section 2: Operating Instructions Digging Suggestions ! CAUTION! Always be sure that the stabilizers maintain contact with the ground during digging operations. Take the time to readjust the stabilizers when necessary during digging. Before you begin digging, extend the stabilizers so that they make a firm contact with the ground. This is essential in order to gain the necessary stability and weight transfer to insure safe digging.
Table of Contents Land Pride Section 2: Operating Instructions 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 Correct Angle side so as not to run out of dumping room. It is desirable while swinging to the side to make contact with the already removed material in order to lessen shock on the machine.
Land Pride Table of Contents Section 3: Maintenance and Lubrication Section 3: Maintenance and Lubrication Maintenance Bucket Tooth Replacement Proper servicing and adjustment can increase the life of any implement. With careful and systematic inspection, you can avoid costly maintenance, time and repair.
Table of Contents Land Pride Section 3: Maintenance and Lubrication Lubrication Lubrication Legend Multipurpose spray lube Multipurpose grease lube Multipurpose oil lube 50 Intervals at which lubrication is required 25 Bucket Pivot Type of Lubrication: Multipurpose Grease Quantity = As required 25 Bucket Cylinder Base End Type of Lubrication: Multipurpose Grease 20555 Quantity = As required 25 Dipper Stick Pivots Type of Lubrication: Multipurpose Grease Quantity = As required 20556 22 BH35
Land Pride Table of Contents Section 3: Maintenance and Lubrication 25 Boom Cylinder Rod End Type of Lubrication: Multipurpose Grease 20557 Quantity = As required 25 Boom Pivot 20555 Type of Lubrication: Multipurpose Grease Quantity = As required 25 Boom Cylinder Base End 20556 Type of Lubrication: Multipurpose Grease Quantity = As required 7/14/08 BH3512 Backhoes 340-131M 23
Table of Contents Land Pride Section 3: Maintenance and Lubrication 25 Stabilizer Arms Type of Lubrication: Multipurpose Grease Quantity = As required 20555 25 Boom Swing Cylinder Rod End Type of Lubrication: Multipurpose Grease Quantity = As required 20555 25 Boom Swing Cylinder Base End Type of Lubrication: Multipurpose Grease 20558 24 BH3512 Backhoes 340-131M Quantity = As required 7/14/08
Table of Contents Land Pride Section 4: Specifications & Capacities Section 4: Specifications & Capacities BH35 Series Backhoes BH3512 Tractor Horse Power Rating Maximum Digging Depth Digging Depth 2” Flat Bottom Reach from Swing Pivot 50 -150 12’ 6” 12’ 14’ 6” Transport Height 9’ 3” Bucket Clearance or Loading Height 9’ 2” Bucket Curl Swing Arc 172 deg. 180 deg.
Table of Contents Land Pride Section 5: Features and Benefits Section 5: Features and Benefits BH35 Series Backhoes Features Tractor HP range Hitch – 3-Point Tubular Construction Relief Valve Protection 50-150 HP Rigid Hitch Mount with Stabilizing Kit for Maximum digging stability. Tubular and box designed frame, on boom and dipper stick assemblies for added strength and longer life.
Table of Contents Land Pride Section 6: Troubleshooting Section 6: Troubleshooting Problem Cause Solution Sticking plungers in Hydraulic Valve Excessively high oil temperature. Eliminate restrictions in pipe lines and filtering system. Dirt in oil. Change oil-clean system. Pipe fittings too tight. Check torque. Valve warped from mounting. Loosen valve and check. Excessively high pressure in valve Check with gauge on inlet and cylinder lines. Handle or linkage binding. Free up linkage.
Table of Contents Land Pride Section 6: Troubleshooting Problem Cause Solution Slow operation and poor Hydraulic System performance Engine speed too low. Adjust RPM’s. Defective pump. Check pressure or replace. Load too heavy. Check line pressure. Faulty main relief valve. Clean or replace main relief valve. Internal valve crack. Replace valve section. Suction line filter plugged. Clean. Oil too heavy for cold weather use. Replace with lighter oil.
Table of Contents Land Pride Section 7: Appendix Section 7: Appendix Torque Values Chart Bolt Head Identification Bolt Head Identification 8.8 5.8 Grade 2 in-tpi 1 1/4" - 20 1/4" - 28 5/16" - 18 5/16" - 24 3/8" - 16 3/8" - 24 7/16" - 14 7/16" - 20 1/2" - 13 1/2" - 20 9/16" - 12 9/16" - 18 5/8" - 11 5/8" - 18 3/4" - 10 3/4" - 16 7/8" - 9 7/8" - 14 1" - 8 1" - 12 1-1/8" - 7 1 1/8" - 12 1 1/4" - 7 1 1/4" - 12 1 3/8" - 6 1 3/8" - 12 Grade 5 N · m ft-lb 3 N · m 7.4 8.
Table of Contents Land Pride Section 7: Appendix Notes 30 BH3512 Backhoes 340-131M 7/14/08
Table of Contents Land Pride Section 7: Appendix 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 service and conditions for personal use. Overall Unit: One year Parts and Labor Hydraulic Cylinder: One year Parts and Labor. Hoses and Seals: Considered wear items.
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