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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!
7/14/08
© Copyright 2008 Printed
Cover photo may show optional equipment not supplied
with standard unit.
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Table of Contents
Summary of Contents for Land Pride BH3512
- Page 1 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! 7/14/08 ©...
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Page 2: Table Of Contents
Copyright 2008 All rights Reserved Land Pride provides this publication “as is” without warranty of any kind, either expressed or implied. While every precaution has been taken in the preparation of this manual, Land Pride assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein. Land Pride reserves the right to revise and improve its products as it sees fit. -
Page 3: Important Safety Information
Shutdown and Storage Lower machine to ground, put tractor in park, turn off engine, and remove the key. Detach and store implements in a area where children normally do not play. Secure implement by using blocks and supports. BH3512 Backhoes 340-131M... - Page 4 Work in a clean dry area. Lower the implement to the ground, put tractor in park, turn off engine, and remove key before performing maintenance. BH3512 Backhoes 340-131M Table of Contents Transport Machinery Safely Comply with state and local laws.
- Page 5 Wear protective gloves and safety glasses or goggles when working with hydraulic systems. If an accident occurs, see a doctor immediately. Any fluid injected into the skin must be surgically removed within a few hours or gangrene may result. BH3512 Backhoes 340-131M...
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Page 6: Safety Labels
Keep all safety labels clean and legible. Replace all damaged or missing labels. To order new labels go to your nearest Land Pride dealer. Some new equipment installed during repair requires safety labels to be affixed to the replaced component as specified by Land Pride. - Page 7 Land Pride Important Safety Information 19366 19366 19366 7/14/08 Table of Contents 839-933C Warning: General 818-339C Warning: High Pressure 839-932C Caution: Watch your step BH3512 Backhoes 340-131M...
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Page 8: Introduction
Application The BH3512 Backhoe is the ideal tool for farms, drainage ditches, nurseries, golf courses, utilities and cemeteries. An unobstructed view of the work area, comfortable positioning of the controls and walk through platform allow for hours of fatigue free work. -
Page 9: Backhoe Operation, Maintenance & Safety Tips
29. Keep all bolts and nuts tight. Replace any damaged or worn parts such as hydraulic hoses and fittings immediately. Always use Land Pride replacement parts. 30. Perform all maintenance procedures as recommended. -
Page 10: Section 1: Assembly And Set-Up
See the appropriate section of this manual on how to convert your valve. If you do not know how your valve is currently setup, check with your Land Pride dealer. Your backhoe cylinders have been filled with oil at the factory. -
Page 11: Power Beyond Hydraulic System
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. Remove return hose and elbow, only if it was installed at point “B”. - Page 12 Backhoe Valve (Female) Quick Coupler Return Hose From Backhoe Valve BH3512 Backhoes 340-131M Table of Contents The hydraulic valve can be damaged by: 1. Reversing the flow of oil through the valve. 2. Hydraulic lines disconnected during transport. 3. Disconnecting the return line while the tractor is running.
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Page 13: Hydraulic Circuits
A glycerin filled hydraulic pressure gauge (located on the right hand side of the valve) is factory installed on your Land Pride Backhoe for your convenience in testing and diagnosing any problem that may arise in the backhoe hydraulic system. -
Page 14: Return Hose
Boom - Up Boom - Down * Reder to Figure 1-5 on Page 13 for Cylinder Locations. BH3512 Backhoes 340-131M Table of Contents not return to the original reading, this would indicate a faulty cylinder or circuit relief. Circuit reliefs are on the down stroke of the boom, the power crowd side of the dipper stick, and both sides of the swing. -
Page 15: 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. - Page 16 Figure 1-6. Transport Lock Transport Lock Figure 1-6 BH3512 Backhoes 340-131M Table of Contents 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) &...
- Page 17 No warranty shall be allowed as to the attachment of the backhoe to specific tractors. It is beyond our control that tractor manufacturers make changes which may require minor alterations of the BH3512. CAUTION! For tractors with a top link draft control system, make sure the draft control is in its heavy position.
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Page 18: Bucket Installation
(M) on eyebolts and snug nuts in place. 4. Adjust the 3/4” bolt against the tractor drawbar link. Lock adjustment screw (N) with locknut (O). 5. Tighten eyebolt (#2) with nut and jam nut. BH3512 Backhoes 340-131M Table of Contents Tractor Lower Link Locking Bar Installation... -
Page 19: Section 2: Operating Instructions
Your backhoe comes equipped with a transport lock. See Figure 1-6 on page 14. This transport lock should be put into proper position anytime you are transporting your backhoe. To ready your backhoe for transport, perform the following: 19563 BH3512 Backhoes 340-131M... -
Page 20: Control Functions
DOWN BOOM SWING LEFT LEFT STABILIZER BH3512 Backhoes 340-131M Table of Contents 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. -
Page 21: Digging Suggestions
To obtain the best penetration, the dipper stick should be at an angle. Do not extend the boom and the dipper stick out into a straight line. See Figure 2-4. Correct Angle Incorrect Angle Dipper Stick & Boom Digging Angle 19374 19375 Figure 2-4 BH3512 Backhoes 340-131M... - Page 22 In this way you can take an even bite each time you make a pass and obtain a full bucket. Refer to Figure 2-6. BH3512 Backhoes 340-131M Table of Contents side so as not to run out of dumping room. It is desirable...
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Page 23: Section 3: Maintenance And Lubrication
22. Repaint parts where paint is worn or scratched to prevent rust. Aerosol touch-up paint is available from your Land Pride dealer. Order Land Pride part # 821-002C for Black. Store backhoe in a clean, dry place. -
Page 24: Lubrication
Section 3: Maintenance and Lubrication Lubrication Lubrication Multipurpose spray lube Legend 20555 20556 BH3512 Backhoes 340-131M Table of Contents Multipurpose Multipurpose grease lube oil lube Bucket Pivot Type of Lubrication: Multipurpose Grease Quantity = As required Bucket Cylinder Base End... -
Page 25: Boom Cylinder Rod End
Boom Cylinder Rod End Type of Lubrication: Multipurpose Grease Quantity = As required 20557 Boom Pivot Type of Lubrication: Multipurpose Grease Quantity = As required Boom Cylinder Base End Type of Lubrication: Multipurpose Grease Quantity = As required BH3512 Backhoes 340-131M... -
Page 26: Stabilizer Arms
Section 3: Maintenance and Lubrication 20555 20555 BH3512 Backhoes 340-131M Table of Contents Stabilizer Arms Type of Lubrication: Multipurpose Grease Quantity = As required Boom Swing Cylinder Rod End Type of Lubrication: Multipurpose Grease Quantity = As required Boom Swing Cylinder Base End... -
Page 27: Section 4: Specifications & Capacities
Hydraulic swing cushion protection Pins Locked in place, grease zerks at pivot points Transport Lock Safety transport boom flip-over lock Bushings Replaceable, steel, at all major pivot points Standard Standard Ripper Tooth Optional Locking Bar Mount Optional Optional BH3512 BH3512 Backhoes 340-131M... -
Page 28: Section 5: Features And Benefits
Digging Depth Maximum 12’ - 6” Range Maximum Reach from Swing 14’ - 6” Point Swing Arch 180 degrees Bucket Rotation 172 degrees Bucket Pry Out Power 12,500 lbs. BH3512 Backhoes 340-131M Table of Contents BH35 Series Backhoes Benefits Land Pride 7/14/08... -
Page 29: Section 6: Troubleshooting
Replace worn or damaged O-Rings and back up rings. Inspect for free movement of components, check seat for scratches, nicks or other marks. Replace complete relief if metal parts are damaged. Add oil. Check hose connections. Replace or repair pump. Check for leaks. Replace line. BH3512 Backhoes 340-131M... - Page 30 Jerky or erratic action Air in system. Wrong type of oil. Foamy oil. Blown Return Valve Improperly connected. BH3512 Backhoes 340-131M Table of Contents Solution Adjust RPM’s. Check pressure or replace. Check line pressure. Clean or replace main relief valve.
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Page 31: Section 7: Appendix
2190 4820 3560 Bolt Head Identification 10.9 Class 5.8 Class 8.8 Class 10.9 l215 1050 1150 1510 1120 2100 1060 1680 1240 2320 1730 1270 2650 1950 3660 1880 1380 2960 2190 4100 BH3512 Backhoes 340-131M 1550 1710 2700 3220... -
Page 32: Notes
Table of Contents Land Pride Section 7: Appendix Notes BH3512 Backhoes 340-131M 7/14/08... -
Page 33: Warranty
This Warranty does not apply to any part or product which in Land Pride’s judgment shall have been misused or damaged by accident or lack of normal... - Page 34 Corporate Office: PO. Box 5060 Salina, Kansas 67402-5060 USA www.landpride.com...