Land PrideメーカーBH3512の使用説明書/サービス説明書
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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.
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.
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.
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 .
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.
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.
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 .
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.
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 .
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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”).
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.
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 Ro.
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 requ.
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 o.
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 .
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.
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 .
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 .
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 .
Cor porate Office: PO . Bo x 5060 Salina, Kansas 67402-5060 USA www .landpr ide.com.
デバイスLand Pride BH3512の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Land Pride BH3512をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはLand Pride BH3512の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Land Pride BH3512の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Land Pride BH3512で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Land Pride BH3512を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はLand Pride BH3512の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Land Pride BH3512に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちLand Pride BH3512デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
