Contents

Safety at All Times
Look for the Safety Alert Symbol
Warranty
Torque Values Chart for Common Bolt Sizes
- Kubota Original Quick Hitch Hook-up
- Figure 1-8
  - Safety Labels
    - 1. Keep all safety labels clean and legible.
      - 2. Refer to this section for proper label placement. Replace all damaged or missing labels. Order new labels from your nearest Land Pride dealer. To find your nearest dealer, visit our dealer locator at www.landpride.com.
      - 3. Some new equipment installed during repair requires safety labels to be affixed to the replaced component as specified by Land Pride. When ordering new components make sure the correct safety labels are included in the request.
      - 4. Refer to this section for proper label placement. To install new labels:
  - Application
  - Using This Manual
  - Owner Assistance
- Serial Number Plate Location
- Figure 1
  - 1. Discuss any problems you have with your attachment with your dealership service personnel so they can address the problem.
  - 2. If you are still not satisfied, seek out the owner or general manager of the dealership, explain the problem, and request assistance.
  - 3. For further assistance write to:
  - Tractor Requirements
  - Torque Requirements
- Assembly Checklist
  - Before You Start
  - Parking Stands Rotated Down
  - Figure 1-1
    - Parking Stand
      - 1. Press and hold locking lever (#2) to unlock left-hand parking stand (#1) from locking slot A.
      - 2. Continue to hold locking lever (#2) and rotate parking stand down to the position shown until locking lever aligns with locking slot B.
      - 3. Release locking lever to lock parking stand in the rotated down position.
      - 4. Repeat steps 1-3 for the right-hand parking stand (#1).
      - 5. Reverse instructions to rotate and lock parking stands in the up position when grapple is connected to a tractor.
- SGC0548 Model
  - 838-378C
  - 838-293C
  - 838-094C
  - BX Third Function Valve Kit Accessory
  - Initial Preparations
    - 1. Park tractor on a flat surface, place gear shift lever in park, turn off engine and remove ignition key.
  - Valve Assembly
    - 1. Attach valve assembly support bracket (#2) to existing hole A in tractor platform with 5/16" x 1" bolt (#6) and hex whiz nut (#8). Tighten hex whiz nut to 17 ft-lbs.
    - 2. Route hydraulic hoses (#13 & #17) left of mounting bracket (#2) and down beneath tractor platform.
    - 1. Place chocks in front and back of tractors left rear wheel.
    - 2. Loosen lug nuts on right rear wheel. Do not remove lug nuts at this time.
    - 3. Jack right rear wheel off the ground and place a jack stand under the right rear wheel axle.
    - 4. Lower right rear axle onto the jack stand. The wheel should still be slightly off the ground. Make sure jack stand is secure and will not slip out from under tractor axle.
    - 5. Remove lug nuts and right rear wheel.
    - 6. Locate steel line connecting power beyond port of the loader valve to the outlet block. The outlet block is directly behind the right rear tire. The steel line consists of two shorter lines connected together to make one long steel line. Remove th...
    - 7. Connect free end of hydraulic hose #13 to power beyond port on the outlet block.
    - 8. Connect free end of hydraulic hose #17 to the remaining front short steel line, which is connected to the loader valve.
    - 9. Secure hoses to underside of tractor with cable ties (#4).
    - 10. Replace right rear wheel and screw lug nuts on until snug.
  - Right-Hand Side
  - BX Third Function Valve kit
  - Figure 1-2
    - 11. Jack axle up and remove jack stand.
    - 12. Lower tractor down and tighten lug nuts in a crisscross pattern. Refer to tractor Operators Manual for proper torque value.
    - 13. Remove chocks.
    - 14. Check tractor hydraulic fluid level. If low, add recommended hydraulic fluid. Refer to your tractor Operators Manual for recommended hydraulic fluid and procedure for checking hydraulic fluid level.
    - A
  - Valve Assembly
  - Figure 1-3
  - BX Third Function Valve kit
  - Figure 1-4
    - Control Lever Assembly
      - 1. Remove existing knob from end of control lever B.
      - 2. Install new joystick (#14) over end of control lever B with push buttons C facing operator.
      - 3. Tighten set screws (#5) against control lever B. Tighten jam nuts (#7) to secure set screws.
      - 4. Connect two red wires from joystick (#14) to one wire of fuse holder (#15), then connect opposite end of fuse holder wire to the batterys positive ( + ) post.
      - 5. Connect black wires from joystick (#14) to control valve (#12).
      - 6. Secure black and red wires with cable ties (#4).
    - Cross Beam Mount Assembly
      - 1. Orient as shown and attach bulk head mount (#1) to the right-hand side of loader crossbeam with u-bolt (#11) and hex whiz nuts (#9). Tighten hex whiz nuts to 20 ft-lbs.
      - 2. Route hoses (#18 & #19) along loader arm and through loader loop bracket to the Third Function Valve Assembly.
      - 3. Connect hydraulic hose (#18) to port A on the left-hand side of valve block (#12).
      - 4. Connect hydraulic hose (#19) to port B on the right-hand side of valve block (#12).
      - 5. Secure hydraulic hoses (#18 & #19) as needed with cable ties (#4).
    - Hose Holder Bracket Assembly
      - 1. Attach hose holder bracket (#3) to the loaders right-hand arm as shown in Figure 1-6 with 3/8"-16 x 3 1/32" x 2 3/4" u-bolt (#10) and hex whiz nuts (#9). Tighten whiz nuts to the correct torque.
    - B
  - Control Stick Assembly
  - Figure 1-5
    - 19
  - Cross Beam & Hose Holder Assembly
  - Figure 1-6
    - 18
  - Hose Route Along Loader Arm
  - Figure 1-7
    - Hook-up With Kubota Quick Hitch
      - 1. Check for and remove any debris in the hitch point areas before hooking-up grapple.
      - 2. Remove linchpins (#7) and hitch pins (#4) from Kubotas Quick Hitch lower bushings (#5).
      - 3. Rotate top of Kubotas Quick Hitch forward and lower loader arms down until j-hook (#6) is positioned to fit under grapples center hitch pin (#3).
      - 4. Drive tractor slowly forward until j-hook (#6) is positioned under grapples center hitch pin (#3).
      - 5. Slowly raise loader arms up and rotate top of Quick Hitch back until j-hook is fully seated in the grapples center hitch pin and holes in lower connectors (#5) are in-line with holes in grapple clevises (#2).
      - 6. Raise grapple slightly off the ground and rotate parking stands (#1) up until locked in place. See Parking Stand on page 6 for detailed instructions.
      - 7. Insert hitch pins (#4) and secure with linchpins (#7).
      - 8. Connect grapple hose couplers to bulk head mount couplers. See Hydraulic Hose Hook-up on page 11 for detailed hook-up instructions.
    - Unhook With Kubota Quick Hitch
      - 1. See Long-Term Storage on page 16 if parking grapple for long periods or end of season.
      - 2. Select a solid level surface to park grapple. Lower grapple down until about 3 or 4 feet off the ground.
      - 3. Place transmission in park, shut tractor engine off, and remove switch key.
      - 4. Remove linchpins (#7) and hitch pins (#4) from Kubotas Quick Hitch lower connections (#5).
      - 5. Rotate parking stands (#1) down to park position until locked in place. See Parking Stand on page 6 for detailed instructions.
      - 6. Refer to Figure 1-11: Disconnect grapple hydraulic hoses from bulk head couplings A & B and remove hoses from hose holder (#3). Store hoses on grapple.
      - 7. Return to the tractor, start engine, and lower grapple until resting on its lower jaw and parking stands.
      - 8. Slowly lower loader arms and rotate top of Quick Hitch forward until j-hook (#6) is below grapples center hitch pin (#3).
      - 9. Carefully back away from grapple.
      - 10. Rotate loader quick hitch vertical and position loader arms to a suitable traveling height.
    - Hook-up Without Kubota Quick Hitch
  - Extended Hitch Pin Option #380-146A
  - Figure 1-10
    - 1. Unhitch front attachment (i.e. bucket) from Kubotas BX front loader. Refer to Kubota Operators Manual for detailed instructions.
    - 2. Store Kubotas existing lower hitch pins and center hitch pin with the unhitched front attachment.
    - 3. Check for and remove any debris in the hitch point areas before hooking-up grapple.
    - 4. Approach grapple driving tractor slowly forward until loader hitch points are aligned with grapple hitch points.
    - 5. Place transmission in park, shut tractor engine off, remove switch key, and dismount tractor.
    - 6. Pin grapples lower clevises to the front loader arms with extended hitch pin option (#1) and secure with hairpin cotters (#5).
    - 7. Pin grapples upper center clevis to hydraulic cylinder with existing grapples hitch pin (#2). Secure with existing hex head bolt (#3) and locknut (#4). Draw locknut up snug, Do not tighten.
    - 8. Connect grapple hose couplers to bulk head mount couplers. See Hydraulic Hose Hook-up on page 11 for detailed hook-up instructions.
    - 3
  - Hydraulic Hose Hook-up
  - Figure 1-11
    - Hydraulic Hose Hook-up
      - 1. Route grapple hydraulic hoses (#20 & #21) straight through Hose Holder Bracket (#3).
      - 2. Clean quick disconnect couplers of dirt and grease.
      - 3. Connect hydraulic hose (#20), attached to the grapples lower tee, to quick disconnect coupler A.
      - 4. Connect hydraulic hose (#21), attached to the grapples upper tee, to quick disconnect coupler B.
      - 5. Make sure quick disconnect couplers are fully engaged. If they are not, check the following:
        
        a. Make sure couplers are same size and type.
        
        b. Make sure hydraulic system pressure has been released.
      - 6. Extend and retract hydraulic cylinder with the push- button joystick. Switch hydraulic hoses (#20 & #21) at couplers (A & B) if hydraulic cylinders operate opposite of the direction intended.
      - 7. For additional help, refer to Hydraulic Hook-Up in your tractor Operators Manual.
      - 8. Check tractor hydraulic fluid level. If low, add recommended hydraulic fluid. Refer to your tractors Operators Manual for recommended hydraulic fluid and procedure for checking hydraulic fluid level.
    - Unhook Without Kubota Quick Hitch
      - 1. See Long-Term Storage on page 16 if parking grapple for long periods or end of season.
      - 2. Select a solid level surface to park grapple. Lower grapple down until about 3 or 4 feet off the ground.
      - 3. Place transmission in park, shut tractor engine off, and remove switch key.
      - 4. Rotate parking stands (#6) down to park position until locked in place. See Parking Stand on page 6 for detailed instructions.
      - 5. Refer to Figure 1-11: Disconnect grapple hydraulic hoses from bulk head couplings A & B and remove hoses from hose holder (#3). Store hoses on grapple.
      - 6. Return to the tractor, start engine, and lower grapple until resting on its lower jaw and parking stands.
      - 7. Place transmission in park, shut tractor engine off, remove switch key, and dismount tractor.
      - 8. Pull hairpin cotters (#5) and remove lower hitch pins (#1) from grapple.
      - 9. Remove nut (#4), bolt (#3), and hitch pin (#2).
      - 10. Slide grapple froward about 6" and replace hitch pins (#1 & #2) in the grapple.
      - 11. Secure lower hitch pins with hairpin cotters (#5).
      - 12. Secure center hitch pin with bolt (#3) and lock nut (#4). Screw locknut on only 3 or 4 full turns.
    - Check Equipment Clearances
      - 1. Visually inspect hydraulic hoses for possible pinch points and shortness. Make hose adjustments before operating hydraulics to check clearances.
      - 2. Start tractor and raise grapple approximately 12" off the ground.
      - 3. If necessary, have someone stand nearby that can motion for the operator to stop if a problem develops while completing steps 4-7 below.
      - 4. Fully extend grapple hydraulic cylinders to pivot upper jaw fully down.
      - 5. Fully extend and retract hydraulic cylinder on end of loader while watching for interferences between loader and grapple. Stop movement if grapple or hoses come near the loader.
      - 6. Fully retract grapple cylinders to pivot upper jaw fully up and repeat step 5.
      - 7. Raise loader arms fully up and repeat steps 4-6.
      - 8. Lower grapple to ground & close upper grapple jaw.
      - 9. Recheck tractor hydraulic fluid level before putting grapple into operation. Refer to your tractors Operators Manual for recommended hydraulic fluid and procedure for checking hydraulic fluid level.
    - Operating Checklist
- Operating Checklist
  - General Inspection
    - 1. Complete Operating Checklist provided above.
    - 2. Inspect tractor safety equipment to make sure it is in good working condition and that all safety alert decals are visible and legible. Replace all missing and/or illegible safety alert decals.
    - 3. Inspect hitch hook-up to grapple. Make sure upper j-hook is secured under the grapples upper hitch pin, lower hitch pins are properly installed, and linchpins are properly secured.
    - 4. Consult your tractor Operators Manual to determine if ballast is required. Add ballast if needed.
    - 5. Inspect condition of hydraulic hoses, fittings, and valves before starting the machine. Make sure hoses are not pinched, kinked, twisted, or frayed; and that they will not contact moving parts.
    - 6. Operate hydraulic controls to verify control movements function properly and equipment movements are correct. Make any necessary changes to controls and hydraulic hook-ups before putting equipment into service.
    - 7. Operate grapple through its full range of movements to check for clearances. Refer to Check Equipment Clearances on page 11 for detailed instructions.
    - 8. Purge hydraulic system of trapped air by operating all hydraulic functions several times before putting unit into service.
  - Operating Safety
  - Transport Safety
  - Claw Grapple Operation
    - 1. Be sure to read and understand all safety alerts under Operating Safety on page 12.
    - 2. Make sure load does not exceed rated lift capacity of the tractor being used to lift the load.
    - 3. Check for overhead obstructions.
    - 4. Center grapple on material to be picked up.
    - 5. Make a complete stop in front of material and position grapple at the proper height to enter the pile.
    - 6. Fully open grapple jaw and slowly drive into the pile. Do not ram grapple into pile.
    - 7. Close grapple jaw to secure load.
    - 8. Lift load a few inches and tilt it back slightly.
    - 9. Make sure you have good control of the load. If load is not secure, release and recapture load in a more secure location.
    - 10. Back load out of the pile slowly, making sure load clears all other obstacles.
    - 11. Not always will load be secured properly in the grapple when pulled free from a pile. Before traveling with a loose load, lower load to ground, release load, and re-clamp load to make it more secure.
    - 12. Position load at a safe, low traveling height before transferring to unloading site.
    - 1. Be sure to read and understand all safety alerts under Transport Safety on page 13.
    - 2. Pedestrians always have the right-of-way.
    - 3. Keep load tilted back slightly.
    - 4. Travel with grapple and load as low as possible to the ground.
    - 5. Continually scan all sides for pedestrians, other traffic, and obstacles.
    - 6. If load is large and blocks your view, travel in reverse.
    - 7. Always drive at a safe speed and slow down when going around corners. Avoid sudden braking.
    - 8. Leave enough clearance when turning so that the grapple and load does not contact obstacles such as vehicles, buildings, trees, or fences.
    - 9. When traveling over a ramp or incline, keep load on the uphill side of tractor.
    - 10. When possible, travel straight up and down grades, ramps, and inclines. Avoid making turns on grades, ramps, and inclines.
    - 11. Raise or lower load only when stopped, never while traveling.
    - 12. Slow down when traveling over rough or hilly terrain.
    - 13. Do not transport loads on public roadways.
    - 14. Transport on public roadways without a load and transport in such a way that faster moving vehicles may pass you safely.
    - 15. Plan your route to avoid heavy traffic.
    - 1. Be sure to read and understand all safety alerts under Operating Safety on page 12.
    - 2. Stop in front of desired location.
    - 3. Slowly raise load to required height.
    - 4. Move forward slowly checking to make sure grapple and load clears all obstacles.
    - 5. Stop forward movement when load is positioned over its release location.
    - 6. Releasing load requires a combination of tilting front of grapple down, raising upper jaw, and raising loader arms. The order in which the load is released will vary depending on type of material being released. The most important objective is to ...
    - 7. Once load has settled onto the pile, slowly back up making sure grapple clears all objects and there are not any pedestrians or other traffic behind or on either side.
    - 8. Leave enough clearance when turning and/or lowering the grapple that it does not make contact with obstacles such as buildings, trees, fences etc.
    - 9. Lower grapple to transporting height (low to the ground) before moving again.
    - 1. Be sure to read and understand all safety alerts under Operating Safety on page 12.
    - 2. Open upper claw halfway.
    - 3. Rotate front of grapple down while lowering unit until upper teeth extend into the ground on the far side of the bush and lower teeth are on the near side.
    - 4. Close grapple claws around the roots of the bush.
    - 5. Raise grapple up to rip bush from ground.
    - 1. Be sure to read and understand all safety alerts under Operating Safety on page 12.
    - 2. Open upper jaw halfway.
    - 3. Lower grapple until bottom teeth start to go into the ground. Do not go very deep into the ground.
    - 4. Drive forward to break up sod and push debris ahead of attachment.
    - 1. Be sure to read and understand all safety alerts under Operating Safety on page 12.
    - 2. Open upper jaw fully and rotate front of grapple down while lowering unit until the tips of the upper teeth touch the ground.
    - 3. Back-up to rake loose sticks and debris into a pile.
    - 4. For instructions on how to pick-up the raked pile, see Picking-Up A Load on page 14.
  - General Operating Instructions
  - Maintenance
  - Tractor Maintenance
  - Long-Term Storage
    - 1. Clean off any dirt and grease that may have accumulated on the grapple. Scrape off compacted dirt and then wash its surface thoroughly with a garden hose.
    - 2. Inspect grapple for loose, damaged, or worn parts and adjust or replace when needed.
    - 3. Repaint parts where paint is worn or scratched to prevent rust. Ask your Land Pride dealer for aerosol touch-up paint. They are also available in touch-up bottles with brush, quarts, and gallon sizes by adding TU, QT, or GL to the end of the aeros...
    - 4. Replace all damaged or missing guards & decals.
    - 5. Apply lubricant to areas not painted to help prevent rust.
    - 6. Store grapple on a level surface in a clean, dry place. Inside storage will reduce maintenance and make for a longer grapple life.
    - 7. Do not allow children to play on or around the stored grapple.
- SGC0548 Model
- Troubleshooting Chart
  - 1
  - Hook-up Without Kubotas Original Quick Hitch
  - Figure 1-9

Kubota SGC0548 Operator's Manual

Pages 26

Year 2019

Language(s)

of 26

Kubota SGC0548 Grapple Specification

The Kubota SGC0548 Grapple is an efficient and robust attachment designed for handling a variety of materials, ideal for tasks requiring superior grip and maneuverability. Constructed for compatibility with a range of Kubota tractors, this grapple features a 48-inch width, ensuring optimal reach and coverage for various applications such as land clearing, landscaping, and construction.

The SGC0548 is engineered with high-strength steel, offering durability and resilience in demanding environments. Its dual-arm design provides balanced and secure handling of materials, with a clamping force that ensures stability during operation. The grapple's hydraulic operation is powered by the tractor's hydraulic system, facilitating smooth and precise control, while the quick-attach mechanism enables swift installation and removal, enhancing operational efficiency.

Designed for versatility, the grapple is capable of handling logs, brush, and debris with ease. The tines are strategically spaced to allow for efficient sorting and sifting of materials, minimizing unwanted material pick-up. The SGC0548's robust construction is complemented by protective features that reduce wear and extend the attachment's lifespan, even under rigorous use.

Safety and usability are prioritized, with features that ensure the operator can maintain control and visibility during operation. The grapple's design allows it to integrate seamlessly with Kubota tractors, maintaining the equipment's overall balance and performance. The Kubota SGC0548 Grapple is a reliable, high-performance attachment designed to enhance productivity and versatility in a wide range of agricultural and construction tasks.

Kubota SGC0548 Grapple F.A.Q.

What is the recommended hydraulic flow for the Kubota SGC0548 Grapple?

The recommended hydraulic flow for the Kubota SGC0548 Grapple is between 10 to 20 gallons per minute (GPM) to ensure optimal performance.

How do I properly attach the Kubota SGC0548 Grapple to my tractor?

To attach the Kubota SGC0548 Grapple, align it with the tractor's skid steer quick attach system, secure it using the locking levers, and connect the hydraulic hoses to the tractor's auxiliary ports.

What should I check if the grapple is not closing properly?

If the grapple is not closing properly, check for hydraulic leaks, ensure the hydraulic hoses are connected correctly, and verify that the hydraulic pressure is within the recommended range.

How often should I grease the pivot points on the Kubota SGC0548 Grapple?

The pivot points on the Kubota SGC0548 Grapple should be greased after every 10 hours of use to maintain smooth operation and prevent wear.

What type of hydraulic fluid is recommended for use with the Kubota SGC0548 Grapple?

It is recommended to use a high-quality, ISO VG 46 hydraulic fluid or equivalent that meets the manufacturer's specifications for optimal performance of the Kubota SGC0548 Grapple.

Can the Kubota SGC0548 Grapple be used for lifting heavy rocks?

Yes, the Kubota SGC0548 Grapple is designed to handle various materials, including heavy rocks, but ensure not to exceed the grapple's lifting capacity and your tractor's limitations.

How do I troubleshoot hydraulic leaks in the Kubota SGC0548 Grapple?

To troubleshoot hydraulic leaks, inspect all hose connections and seals for damage, tighten any loose fittings, and replace any damaged hoses or seals.

What maintenance checks should I perform before operating the Kubota SGC0548 Grapple?

Before operating the grapple, check hydraulic fluid levels, inspect hoses and connections for leaks, ensure the grapple is securely attached, and verify all controls function correctly.

How do I adjust the pressure settings on the Kubota SGC0548 Grapple?

Adjusting pressure settings should be done according to the tractor's hydraulic system manual. Typically, adjustments are made at the hydraulic relief valve, ensuring not to exceed system specifications.

What should I do if the grapple's teeth are worn out or damaged?

If the grapple's teeth are worn or damaged, replace them with new ones specified for the SGC0548 model to ensure proper function and safety. Regular inspection and maintenance can prevent premature wear.