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Summary of Contents for Wallenstein LXG520R
- Page 1 OPERATOR'S MANUAL 520R Excavator Log Grapple Rev Feb-2022 Document Number: Z97143_En...
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Page 2: Foreword
Do not attempt to start or operate the machine without thoroughly reviewing this manual for The Wallenstein LXG520R Log Grapple is suitable to mount safe and proper operation. on small excavators in place of the bucket. It is designed for loading / carrying logs in a small-scale timber industry or Always keep this manual with the machine. -
Page 3: Table Of Contents
LXG520R Foreword Grapple Table of Contents 1. Foreword ..............2 1.1 Introduction ..............2 1.2 Delivery Inspection Report ..........4 1.3 Serial Number Location ..........5 1.4 Types of Decals on the Machine ........6 2. Safety ..............7 2.1 Safety Alert Symbol ............7 2.2 Signal Words.............. -
Page 4: Delivery Inspection Report
Grapple 1.2 Delivery Inspection Report Wallenstein LXG520R Log Grapple To activate the warranty, register your product through the Support page at WallensteinEquipment.com. This form must be completed by the dealer at the time of delivery, and then signed by the dealer and customer. -
Page 5: Serial Number Location
LXG520R Foreword Grapple 1.3 Serial Number Location Always provide the model and serial number of your Wallenstein product when ordering parts or requesting service or other information. The product information plate location is shown in the following illustration. Record your product's serial number in the following table for future reference. -
Page 6: Types Of Decals On The Machine
They can be either vertical or horizontal. Product Decals indicate machine model and serial number, and other important information. Manufactured by: Wallenstein Equipment Inc., 7201 Line 86, Wallenstein ON N0B2S0, Canada MODEL: ########## TYPE OF VEHICLE/TYPE DE VEHICLE: TRA / REM... -
Page 7: Safety
YOU are responsible for the SAFE operation and maintenance of DANGER – your Wallenstein product. YOU must make sure that anyone who is going to use, maintain or work around the machine is familiar Indicates an imminently hazardous situation that, if not avoided, with the operating and maintenance procedures and related will result in death or serious injury. -
Page 8: Safety Rules
Safety is a primary concern in the design and manufacture of through the insulating air space. The higher the voltage, the Wallenstein products. Unfortunately, efforts to provide safe more likely it is for an arc to occur. equipment can be wiped out by a single careless act. -
Page 9: Create A Safe Work Site
LXG520R Safety Grapple 2.5 Create a Safe Work Site 2.4.1 Equipment Safety Guidelines A few seconds of thought and a careful approach to handling For more information, see Fig. 2 on page 10. equipment can prevent accidents. 2.5.1 Designated Safe Area •... - Page 10 LXG520R Safety Grapple 1. Designated safe area The area outside of the work zone is designated a safe area for coworkers. 2. Work zone Injury may occur from heavy material falling / dropping in this area. Material on a rotating boom creates a collision hazard if workers or bystanders are inside the work zone.
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Page 11: Sign-Off Form
LXG520R Safety Grapple 2.6 Sign-Off Form The design and manufacture of this product conforms to the applicable provisions in the following standards: Everyone who uses this machine must read and thoroughly • ISO 4254-1:2013, Agricultural machinery - Safety - Part 1: understand all safety, operation, and maintenance information General requirements. -
Page 12: Safety Signs
LXG520R Safety Signs Grapple 3. Safety Signs WARNING! Risk of personal injury. Replace safety signs that are removed, damaged, or illegible. If a part with Hazard a safety sign on it is replaced, a new safety sign must be applied. -
Page 13: Safety Sign Explanations
LXG520R Safety Signs Grapple 3.2 Safety Sign Explanations 4. Caution! Read the Operator's Manual 1. Warning! Read ALL operating instructions and Always wear the appropriate PPE during safety information in the manual. Learn operation: the meaning of ALL safety signs on the machine. -
Page 14: Replace Damaged Or Missing Safety Signs
Replacement safety signs are available from your authorized distributor, dealer parts department, or Wallenstein Equipment. • Keep the safety signs clean and legible at all times. • Parts replaced that had a safety sign (decal) on them must also have the safety sign replaced. -
Page 15: Familiarization
LXG520R Familiarization Grapple 4. Familiarization The log grapple mounts on a small excavator in place of the 4.1.2 Work Site Familiarization bucket. It is designed for loading and carrying logs in a small- t is the responsibility of the operator to be thoroughly familiar scale timber industry or landscaping business. -
Page 16: Major Components
LXG520R Familiarization Grapple 4.2 Major Components 01314 Fig. 4 – LXG520R log grapple major components 1. Grapple forks 7. Hydraulic hose connections / circuit relief valves 2. Hydraulic cylinder 8. Grapple housing 3. Hydraulic rotator assembly 9. Selector valve kit (if required) 4. -
Page 17: Installation
LXG520R Installation Grapple 5. Installation 5.1 Excavator Matching 5.2 Mount the Grapple Use the table below as a guide to match the grapple to an IMPORTANT! When mounting the grapple to an excavator, excavator for safe and reliable operation. the following considerations must be met. - Page 18 5.2.1 Mounting Bracket WARNING! Use a quality supplier with knowledge of excavator attachments to manufacture the mounting bracket. Wallenstein Equipment Inc. cannot be held responsible for failure resulting from poor workmanship or use of substandard material. The grapple is not supplied with a mounting bracket. A custom mounting bracket must be manufactured to fit your excavator using the universal base plate supplied.
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Page 19: Hydraulic Connections
LXG520R Installation Grapple 5.3.1 Hydraulic System Safety 4. Bolt the mounting bracket to the grapple mount using the ten 5/8"NC x 1-1/2" bolts supplied. Torque-tighten to • Make sure that all hydraulic system components are kept 180 lbf•ft (215 N•m). -
Page 20: Hydraulic Circuit Requirements
LXG520R Installation Grapple 5.4 Hydraulic Circuit Requirements For the most efficient operation and ease of handling, the hydraulic controls should provide variable-flow, and preferably be fingertip-controlled. A simple on-off control is not desirable. You want to be able to pick up your load cleanly and not smash down on top of it. - Page 21 LXG520R Installation Grapple Set Flow Rate and Relief Pressure IMPORTANT! After installation is complete, cycle the grapple, and then check the excavator hydraulic fluid level. Check and adjust the grapple circuit so it is within the specification. • Set fluid flow rate at 5.3 US gpm (20 Lpm).
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Page 22: Grapple Removal
LXG520R Installation Grapple Set Flow Rate and Relief Pressure 5.5 Grapple Removal IMPORTANT! After installation is complete, cycle the WARNING! grapple, and then check the excavator hydraulic fluid level. Risk of serious injury from escaping high- Check and adjust the grapple circuit so it is within the pressure oil. -
Page 23: Controls
Stand clear of the grapple when in operation. W088 The hydraulic functions for the LXG520R grapple are managed using the excavator controls in the cab. • An excavator with two auxiliary circuits can operate the grapple using the cab controls the same as other attachments. -
Page 24: Operating Instructions
• Avoid operating where there is a possibility of the • Use the excavator controls to operate the LXG520R grappled load striking other obstacles. grapple. • Use more than one of the excavator controls at a time so •... -
Page 25: Pre-Start Checklist
LXG520R Operating Instructions Grapple 7.3 Pre-start Checklist • Balance loads carefully. Determine where the center of the load is in order to pick it up safely. The stump end of logs can be heavier and the smaller ends lighter. Items to Complete Check the machine for entangled material. -
Page 26: Moving The Excavator While Carrying A Load
LXG520R Operating Instructions Grapple 01327 Fig. 20 – Balance Loads Carefully 7.5 Moving the Excavator while • Never allow riders on the machine. • Be a safe and courteous driver. Yield to oncoming traffic in Carrying a Load all situations (for example; a narrow bridge, narrow road, or intersection). -
Page 27: Service And Maintenance
LXG520R Service and Maintenance Grapple 8. Service and Maintenance • Never operate an engine inside a closed building. The CAUTION! exhaust fumes may cause asphyxiation. • Wait for the machine to cool before starting work. Do not risk being injured by working in an Components and liquids may be hot enough to cause unsafe situation. -
Page 28: Grease Point
LXG520R Service and Maintenance Grapple 8.2 Grease Point With the exception of the rotator hanger bearing, pivot points on the grapple do not require lubrication. The bearings are made of a self-lubricating composite material that is designed for heavy loads. -
Page 29: Troubleshooting
If you encounter a problem that is difficult to solve, even after reading this information, please contact your local dealer, the distributor, or Wallenstein Equipment. Before you call, please have the serial number for your product handy. To find the serial number on your machine, see Serial Number Location on page 5. -
Page 30: Specifications
Specifications Grapple 10. Specifications IMPORTANT! Customer-supplied hydraulic hoses must meet SAE J517 or DIN 20066 standards for high-pressure hydraulic hoses and hose ends. 10.1 Machine Specifications LXG520R Grapple with Specification LXG520R Grapple Selector Valve Rotation angle 360° Excavator HP recommended 10–30 hp (7.5–22 kW) -
Page 31: Common Bolt Torque
LXG520R Specifications Grapple 10.2 Common Bolt Torque Checking Bolt Torque Imperial Bolt Torque Specifi cations The tables shown give correct torque values for various Torque Value bolts and capscrews. Tighten all bolts to the torque Bolt values specified in the table, unless indicated otherwise. -
Page 32: Hydraulic Fitting Torque
LXG520R Specifications Grapple 10.3 Hydraulic Fitting Torque Hydraulic Fitting Torque Tightening Flare Type Tube Fittings Tube Size Flats From Size Torque value 1. Check flare and flare seat for defects that might Across Finger Tight cause leakage. Flats lbf•ft Inches Inches N•m... -
Page 33: Product Warranty
Product Warranty Grapple 11. Product Warranty LIMITED WARRANTY Wallenstein products are warranted to be free of defects in materials and workmanship under normal use and service, for a period of Five Years for Consumer Use Two Years for Commercial/Rental Use from the date of purchase, when operated and maintained in accordance with the opera�ng... -
Page 34: Index
LXG520R Index Grapple 12. Index Arrows, rotator body ������������������������������������������������������������ 19 Operating instructions ��������������������������������������������������������� 24 Loading �������������������������������������������������������������������������� 25 Moving the excavator carrying a load ���������������������������� 26 Safety����������������������������������������������������������������������������� 24 Bolt torque ��������������������������������������������������������������������������� 31 Break-in ������������������������������������������������������������������������������� 24 Pre-start checklist���������������������������������������������������������������� 25 Components ������������������������������������������������������������������������ 16 Controls �������������������������������������������������������������������������������... - Page 36 WallensteinEquipment.com...
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