Kubota AP-RG3068 Operator's Manual
Kubota AP-RG3068 Operator's Manual

Kubota AP-RG3068 Operator's Manual

Root grapples

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Root Grapples
AP-RG3068, AP-RG3074, & AP-RG3080
39827
Table of Contents
!
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!
Cover photo may show optional equipment not supplied
with standard unit.
For an Operator's Manual and Decal Kit in French
Language, please see your Kubota dealer.
380-365MK
Operator's Manual
Printed 9/22/21

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Summary of Contents for Kubota AP-RG3068

  • Page 1 Your life and the lives of others depend on it! Cover photo may show optional equipment not supplied with standard unit. For an Operator’s Manual and Decal Kit in French Language, please see your Kubota dealer. Printed 9/22/21...
  • Page 2: Machine Identification

    To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle- parts. AP-RG3068, AP-RG3074, & AP-RG3080 Root Grapples 380-365MK 9/22/21...
  • Page 3 Copyright 2021 All rights Reserved Kubota 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, Kubota assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein. Kubota reserves the right to revise and improve its products as it sees fit.
  • Page 4 Kubota products. Refer to App on your smart phone, open the App, Parts Manual QR Locator on point your phone on the QR code and this page for detailed take a picture. instructions. AP-RG3068, AP-RG3074, & AP-RG3080 Root Grapples 380-365MK 9/22/21...
  • Page 5: Safety At All Times

     Important Safety Information Important Safety Information Listed below 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 The SAFETY ALERT SYMBOL indicates there is a potential hazard Careful operation is your best to personal safety and extra precaution must be taken.
  • Page 6: Important Safety Information

     Lower attachment to the ground and  Replace parts on this attachment correct tools and equipment. follow all shutdown procedures with genuine Kubota parts only. Do  Always properly match the wheel before leaving the operator’s seat to not alter this attachment in a way size to the properly sized tire.
  • Page 7: Wear Personal Protective Equipment (Ppe)

    Use Seat Belt and ROPS Keep Riders Off Lights and Devices Machinery  Kubota recommends the use of a CAB or roll-over-protective-  A slow moving power machine  Never carry riders on skid steer structures (ROPS) and seat belt can create a hazard when driven or attachment.
  • Page 8 Important Safety Information Listed below are common practices that may or may not be applicable to the products described in this manual. Avoid crystalline Silica  Be aware of and follow OSHA  If possible, change into disposable (or other local, State, or Federal) or washable work clothes at the (quartz) Dust guidelines for exposure to airborne...
  • Page 9 Important Safety Information This page left blank intentionally. 9/22/21...
  • Page 10: Safety Labels

    LP-818-045C Warning! Pinch Point or Crushing Hazard 39827 LP-838-293C Warning! To Prevent Injury or Death 39828 AP-RG3068, AP-RG3074, & AP-RG3080 Root Grapples 380-365MK 9/22/21...
  • Page 11 Table of Contents Important Safety Information LP-838-094C Warning! High Pressure Fluid Hazard 39828 LP-858-237C Warning! Underground Utilities Hazard 39828 9/22/21 AP-RG3068, AP-RG3074, & AP-RG3080 Root Grapples 380-365MK...
  • Page 12: Using This Manual

    The RG30 is available in three different widths: 68" (1.73 m), 74" (1.88 m), and 80" (2.03 m). No matter the model you select, you’ll find that the Kubota RG30 Root Grapple with save you time and money by quickly and efficiently handling the task at hand.
  • Page 13: Skid Steer Requirements

    Follow these procedures and any additional shutdown Kubota SSV and SVL machines. Consult the skid steer procedures provided in your skid steer Operator’s Operator’s Manual for operating capacity, lifting capacity, Manual before leaving the operator’s seat.
  • Page 14 On the left-hand side, secure cylinder shield (#1) with 3/8"-16 x 1 1/2" GR5 bolts (#2) and hex flange locknuts (#3). 2. Tighten locknuts (#3) to the correct torque. 3. Repeat steps 1 & 2 for the right-hand side. AP-RG3068, AP-RG3074, & AP-RG3080 Root Grapples 380-365MK 9/22/21...
  • Page 15 3. Slide hose shield (#1) over hydraulic cylinder rod (#10) as shown until pivot hole (C) and pivot slot (D) align with pivot pin (#7). 4. Drive pivot pin (#7) through pivot hole (C). 9/22/21 AP-RG3068, AP-RG3074, & AP-RG3080 Root Grapples 380-365MK...
  • Page 16 Refer to “Skid Steer Shutdown” on page 9. Push lock handles on skid steer hitch down ensuring pins go through bottom slots in grapple hitch and make sure handles lock down. AP-RG3068, AP-RG3074, & AP-RG3080 Root Grapples 380-365MK 9/22/21...
  • Page 17: Hydraulic Hose Hook-Up

    Visually inspect hydraulic hoses for possible pinch points and shortness. Make hose adjustments before NOTE: If attaching to a Kubota skid steer or track putting equipment into service. loader, route hydraulic hoses through Kubota’s 2. Start skid steer and raise grapple approximately Hose Stay as shown in Figure 1-4.
  • Page 18: Purging Hydraulic System

    If cylinders operate smoothly, 23. Tighten hex flange serrated screws (#4) to the correct skip to step 19. If one or both cylinders do not operate torque. smoothly, continue with step #11. AP-RG3068, AP-RG3074, & AP-RG3080 Root Grapples 380-365MK 9/22/21...
  • Page 19: Operating Checklist

    Rotating front of forks level or lower can cause the to hydraulic hoses. load to fall forward. 9/22/21 AP-RG3068, AP-RG3074, & AP-RG3080 Root Grapples 380-365MK...
  • Page 20: Transport Safety

    Do not use this attachment as a lifting device for people or sign under overhead lines indicating type of danger above. as a work platform. It is not properly designed or guarded for this use. AP-RG3068, AP-RG3074, & AP-RG3080 Root Grapples 380-365MK 9/22/21...
  • Page 21 2. Make sure load does not exceed rated lift capacity of traveling. the skid steer being used to lift the load. 12. Slow down when traveling over rough or hilly terrain. 3. Check for overhead obstructions. 9/22/21 AP-RG3068, AP-RG3074, & AP-RG3080 Root Grapples 380-365MK...
  • Page 22 3. Make sure the grapple is resting fully on the ground and is stable. If needed, reposition the grapple or add supports to the grapple to make it stable. 4. Shut skid steer down properly before dismounting. AP-RG3068, AP-RG3074, & AP-RG3080 Root Grapples 380-365MK 9/22/21...
  • Page 23 Proceed by getting into the seat of your skid steer and starting it up. It isn’t going to take you long to learn how to use your new Kubota Root Grapple, but we do recommend that you take a little time to practice securely attaching and detaching your grapple to and from your mounting plate.
  • Page 24 Operator’s Manual before making repairs to the grapple. See your nearest Kubota dealer for assistance and After repairs are complete, make sure grapple is working genuine replacement parts. Replace parts if any of the properly.
  • Page 25: Long Term Storage

    3. Repaint parts where paint is worn or scratched to prevent rust. Ask your Kubota dealer for aerosol touch-up paint. Paint is also available in touch-up bottles with brush, quarts, and gallon sizes by adding TU, QT, or GL to the end of the aerosol part number.
  • Page 26: Lubrication Points

    Quantity = As required (make sure grease is visible) 38934 Hydraulic Cylinder Rod End Pivot Points 2- Zerks (1 per cylinder) Type of Lubrication: Multi-purpose Grease Quantity = As required (make sure grease is visible) 38935 AP-RG3068, AP-RG3074, & AP-RG3080 Root Grapples 380-365MK 9/22/21...
  • Page 27: Section 4: Specifications & Capacities

    5/16 (8) Formed channels 35 1/2" (90.2 cm) RG3068 = 68" (1.73 m) RG3074 = 74" (1.88 m) 31 1/2" (80 cm) RG3080 = 80" (2.03 m) 42 3/4" (1.09 m) 39836 9/22/21 AP-RG3068, AP-RG3074, & AP-RG3080 Root Grapples 380-365MK...
  • Page 28: Section 5: Features & Benefits

    Prevents gouging or hanging up on wire or cables. Front Gusseted Tines Strengthens tine tips. Open Bottom Allows dirt to fall through tines. Optional Hose Shields Protects cylinders and fittings. Optional Cylinder Shields Protects cylinder rod. AP-RG3068, AP-RG3074, & AP-RG3080 Root Grapples 380-365MK 9/22/21...
  • Page 29: Section 6: Troubleshooting

    Never run grapple teeth under ground to get under below ground such as tree roots and a load. rocks. Wedging objects between teeth with Do not wedge objects between teeth with upper upper grapple jaws. grapple jaws. 9/22/21 AP-RG3068, AP-RG3074, & AP-RG3080 Root Grapples 380-365MK...
  • Page 30: Section 7: Torque Values Chart

    Torque tolerance + 0%, -15% of torquing values. Unless otherwise specified use torque values listed above. All locknuts or lubricated fasteners: Use 75% of torque value. (i.e. 1/2"-13 GR5 = 76 ft-lb; 75% of 76 or .75 x 76 = 57 ft-lb) AP-RG3068, AP-RG3074, & AP-RG3080 Root Grapples 380-365MK 9/22/21...
  • Page 31 IMPORTANT: The Online Warranty Registration should be completed by the dealer at the time of purchase. This information is necessary to provide you with quality customer service. Model Number ____________________ Serial Number ____________________ 9/22/21 AP-RG3068, AP-RG3074, & AP-RG3080 Root Grapples 380-365MK...
  • Page 32 Kubota used reasonable efforts to set forth and include accurate and up to date information in this publication. Kubota disclaims all representations and warranties, whether express or implied, including, but not limited to, warranties of merchantability...
  • Page 34 Kubota HP: https://www.kubota.com/network/index.html...

This manual is also suitable for:

Ap-rg3074Ap-rg3080

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