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Operating Instructions

LXG520R

Grapple

24

7.  Operating Instructions

The operator is responsible to be familiar with and follow all 
operating and safety procedures.

• 

Use the excavator controls to operate the LXG520R 
grapple.

• 

Learn the basic operation of the grapple to prevent the 
chance of creating a dangerous situation with the load.

• 

When using the grapple, position the excavator on firm, 
level ground.

7.1  Operating Safety

 WARNING!

Wear the personal protective equipment (PPE) 

that is required to complete the work safely.
For example; a hard hat, hearing protection, 

protective eye wear, protective footwear, 

respirator, and gloves.

W101

 WARNING!

Electrocution Hazard. Be aware of overhead 

or underground power lines. Stay at least 20 ft 

(6 m) or more away. Serious injury or death 

could occur from electrocution. Electrocution is 

possible without direct contact (arcing).

W015

•  Create a Work Zone for the machine and the load. Mark 

it with safety cones or barricades to warn bystanders to 
stay outside of it.

•  Know where coworkers are at all times and be alert for 

unexpected workers or bystanders entering your Work 
Zone. Make eye contact with anyone entering the zone.

•  Do not allow anyone near the grapple while in operation. 

Always keep coworkers and bystanders in full view at all 
times while loading.

•  Protective cab shields must be provided on a log loader 

unless the absence of shields does not pose a hazard to 
the operator.

•  Always wear the seat belt while operating the grapple. 

Remain seated in the operator's seat during operation.

•  Never lift, move or swing a load over personnel, the cab 

of other machines, or vehicles in the area.

•  Never exit the machine leaving a load suspended. When 

leaving the machine for any reason, always lower the 

grapple to the ground.

•  Close the grapple completely around logs. Avoid pinching 

a log with the grapple.

•  Avoid operating where there is a possibility of the 

grappled load striking other obstacles.

•  Use more than one of the excavator controls at a time so 

movements are smooth.

•  If piling logs, piles should be in a level, clear area to 

prevent logs from rolling. Make even piles so logs are 
parallel and ends match. 

•  Clean debris from the loading area. Debris may interfere 

with grappling.

•  Place the grapple on the ground and stop the engine 

before exiting the excavator.

7.2  Machine Break-In

Although there are no operational restrictions on the machine 
when used for the first time, it is recommended that the 
following mechanical items be checked:

After 1–5 hours of operation

1. 

Complete the tasks described in the 

Pre-start Checklist on 

page 25

 .

2. 

Lubricate the rotor hanger bearing. See 

Grease Point on 

page 28

.

After 20 hours of operation

Repeat the steps listed under 

After 1–5 hours of operation

.

Содержание LXG520R

Страница 1: ...OPERATOR S MANUAL Excavator Log Grapple LXG520R Document Number Z97143_En Rev Feb 2022...

Страница 2: ...sing or maintaining the machine reads and understands the Safety Operation and Maintenance information contained within the Operator s Manual Keep this manual handy for frequent reference and to pass...

Страница 3: ...zation 15 4 1 New Operator 15 4 2 Major Components 16 5 Installation 17 5 1 Excavator Matching 17 5 2 Mount the Grapple 17 5 3 Hydraulic Connections 19 5 4 Hydraulic Circuit Requirements 20 5 5 Grappl...

Страница 4: ...ly instructed the customer about the equipment care adjustments safe operation and applicable warranty policy and reviewed the manuals with them Dealer Address City State Province ZIP Postal Code Phon...

Страница 5: ...t 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 tabl...

Страница 6: ...tor or explains the operation of a control Product Decals indicate machine model and serial number and other important information VIN NLV MODEL Manufactured by Wallenstein Equipment Inc 7201 Line 86...

Страница 7: ...es CAUTION Indicates a potentially hazardous situation that if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices IMPORTANT To avoid confusing equ...

Страница 8: ...should the need arise and know how to use the contents Keep a fire extinguisher available for use should the need arise and know how to use it Never consume alcohol or drugs before or during machine o...

Страница 9: ...ate a Safe Work Site For more information see Fig 2 on page 10 2 5 1 Designated Safe Area A Safe Area must be designated for workers who are on foot and in close proximity to the equipment The boundar...

Страница 10: ...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 Place safety con...

Страница 11: ...ce for all operators Operators should review these topics at the start of each season The following sign off form can be used to record the completed training The design and manufacture of this produc...

Страница 12: ...ng familiar with safety signs decals and warnings and being aware of situations that require alertness The top panel or left hand panel for horizontal signs shows the safety alert potential hazard and...

Страница 13: ...hat cannot be safely secured by the grapple Never allow anyone to walk under an overhead load Keep bystanders at a safe distance 4 Caution Read the Operator s Manual Read ALL operating instructions an...

Страница 14: ...e or oil The ambient temperature must be above 50 F 10 C A squeegee plastic bank card or similar tool is required to smooth out the decal Procedure Determine the exact position for the decal before re...

Страница 15: ...ures prior to using the machine 1 Review control location function and movement directions 2 Move the unit to a large open area to allow the operator to become familiar with control function and machi...

Страница 16: ...2 Hydraulic cylinder 3 Hydraulic rotator assembly 4 Main frame 5 Mounting bolts 6 Excavator universal base plate 7 Hydraulic hose connections circuit relief valves 8 Grapple housing 9 Selector valve...

Страница 17: ...cavator the following considerations must be met 1 A mounting bracket must be manufactured to fit your excavator The grapple is not supplied with a mounting bracket 2 One of the following hydraulic ci...

Страница 18: ...dimensions of your bucket to get the correct fit for the stick and link on your excavator 00802 Fig 6 Excavator bucket dimensions Reuse pins and fasteners from the bucket for the grapple mount 1 Remov...

Страница 19: ...Function Grapple Open Grapple Close R Grapple Rotate 5 3 1 Hydraulic System Safety Make sure that all hydraulic system components are kept clean and in good condition Relieve pressure on the hydraulic...

Страница 20: ...and rotate Hydraulic circuit requirements for the grapple can be setup on an excavator two different ways 1 The excavator has two auxiliary circuits available to power grapple functions 1 open close...

Страница 21: ...valve The valve spool shifts to divert fluid to the grapple rotator Selector Valve Kit IMPORTANT If the excavator auxiliary circuit relief pressure is set above 2900 psi 200 bar the selector valve mu...

Страница 22: ...it to the auxiliary valve control handle Place the decal near the control so it is clearly visible Connect the harness to a 12 VDC power supply 5 5 Grapple Removal WARNING Risk of serious injury from...

Страница 23: ...her attachments One circuit is used for grapple open close the other for rotate clockwise or counterclockwise An excavator that has one auxiliary circuit must have the selector valve kit installed The...

Страница 24: ...w at all times while loading Protective cab shields must be provided on a log loader unless the absence of shields does not pose a hazard to the operator Always wear the seat belt while operating the...

Страница 25: ...gs to avoid excessive strain on trailer stakes Lay logs onto the trailer tightly in a consistent manner without crowding Never place split cracked or shattered logs on the bottom of the bunk or up aga...

Страница 26: ...lighting reflectors and markings and that they are in good working condition For specific requirements contact your local transportation authority Clean off all dirt and debris Make sure the grapple...

Страница 27: ...the excavator engine 4 Engage the hydraulic control lockout device 5 Turn off the main hydraulic switch 6 Move the hydraulic controls to make sure that there is no movement Follow good shop practices...

Страница 28: ...ipurpose high temperature grease with extreme pressure EP performance Also acceptable is an SAE multipurpose lithium base grease Lubricate the rotator hanger bearing every 50 hours of use Use a hand h...

Страница 29: ...machines that require a selector valve kit Connect the selector valve solenoid to a 12 VDC electrical power source Wrong function is selected machines that require a selector valve kit Make sure that...

Страница 30: ...ple opening 3 48 8 cm 122 cm Clamp force 9400 lb 4264 kg Lift capacity rotator pivot 6750 lb 3062 kg Total weight 345 lb 156 kg estimated 350 lb 159 kg estimated Dimensions LxWxH 51 x 52 x 20 Mounting...

Страница 31: ...torque values by 5 Bolt grades are identified by their head markings Imperial Bolt Torque Specifications Bolt Diameter Torque Value SAE Gr 2 SAE Gr 5 SAE Gr 8 lbf ft N m lbf ft N m lbf ft N m 1 4 6 8...

Страница 32: ...ighten the swivel nut with the second Torque to values shown If a torque wrench is not available use the FFFT Flats From Finger Tight method Hydraulic Fitting Torque Tube Size OD Hex Size Across Flats...

Страница 33: ...chase receipt with any claim This warranty does not cover the following 1 Normal maintenance or adjustments 2 Normal replacement of wearable and service parts 3 Consequen al damage indirect damage or...

Страница 34: ...e and relief pressure 21 Hydraulic connections 20 Hydraulic circuit requirements 20 Mount the grapple 17 Hydraulic connections 19 Mounting bracket 18 M Maintenance 27 Mount the grapple 17 O Operating...

Страница 35: ......

Страница 36: ...WallensteinEquipment com...

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