Land Pride RC4620 Operator's Manual
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Land Pride RC4620 Operator's Manual

Land Pride RC4620 Operator's Manual

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Rotary Cutters
RC4620 & RCM4620
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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 Land Pride dealer.
331-936M
Operator's Manual
Printed 07/31/20
39102

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Summary of Contents for Land Pride RC4620

  • 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 Land Pride dealer. Printed 07/31/20...

  • Page 2: Machine Identification

    Serial Number Machine Height Machine Length Machine Width Machine Weight Delivery Date First Operation Accessories Dealer Contact Information Name: Street: City/State: Telephone: Email: California Proposition 65 WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...
  • Page 3 Land Pride assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein. Land Pride reserves the right to revise and improve its products as it sees fit. This publication describes the state of this product at the time of its publication, and may not reflect the product in the future.
  • Page 4 Download the appropriate App on your Refer to Parts Manual QR smart phone, open the App, point your Locator on this page for phone on the QR code and take a picture. detailed instructions. RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...

  • Page 5: Important Safety Information

     Important Safety Information Important Safety Information These 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 Careful operation is you best The SAFETY ALERT SYMBOL indicates there is a insurance against an accident.

  • Page 6: Transport Safely

     Replace parts on this implement correct tools and equipment. follow all shutdown procedures with genuine Land Pride parts only.  Always properly match the wheel before leaving the operator’s seat to Do not alter this implement in a way size to the properly sized tire.

  • Page 7: Protective Equipment

    Use Safety Use Seat Belt and ROPS Keep Riders Off Lights and Devices Machinery  Land Pride recommends the use of a CAB or roll-over-protective-  Slow moving tractors, and tractor  Never carry riders or use structures (ROPS) and seat belt self-propelled equipment can to lift or transport individuals.
  • Page 8 Important Safety Information These 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. 7/31/20...

  • Page 10: Safety Labels

    Spray soapy water onto the cleaned area. all damaged or missing labels. Order new labels from your Peel backing from label and press label firmly onto the nearest Land Pride dealer. To find your nearest dealer, surface. visit our dealer locator at www.landpride.com.
  • Page 11 Warning: Rotating Blade Hazard 1 - Place: Left side 39104 818-840C Warning: Rollover Hazard 1 - Place: Left side 818-045C Warning: Pinch Point or Crushing Hazard 1 - Place: Back of center axle 33857 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...
  • Page 12 Danger: Guard Missing - DO NOT Operate 2 - Places: Beneath each wing gearbox shaft guard 2 - Places: Beneath splitter box hinged guard 39107 818-556C 39108 Danger: Thrown Object Hazard 2 - Places: Right and left wings RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...
  • Page 13 2 - Places: Right and left wings 39108 818-540C Danger: Guard Missing - Do Not Operate 3 - Places: Main driveline & wing drivelines 22296 838-588C Warning: Folding Cutter Speed Warning 1 - Place: On A-frame hitch 39104 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...
  • Page 14 Table of Contents Important Safety Information 39104 39104 818-552C Danger: Rotating Driveline - Keep Away 1 - Place: Top of splitter shield 3 - Places: Main driveline and both wing drivelines 39104 RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...
  • Page 15 Important Safety Information 818-142C Danger: Rotating Driveline - Keep Away 2 - Places: Right and left wing gearbox shields 39106 818-130C Warning: Use 540 rpm power take-off (RC4620 only) 818-240C Warning: Use 1000 rpm power take-off (RCM4620 only) 39104 818-714C...
  • Page 16 1 - Place: On A-frame hitch 39104 39106 818-229C Amber Reflector 2 - Places: Front side of cylinder transport locks 39108 818-230C Red Reflector 2 - Places: Back side of cylinder transport locks 39108 RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...
  • Page 17 39108 838-615C 2" x 9" Amber Reflector 2 -Places: Left and right arms of center axle 39108 39109 838-615C 2" x 9" Amber Reflector 1 - Place: On front face of left wing 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...

  • Page 18: Using This Manual

    Table of Contents Introduction Introduction Owner Assistance Land Pride welcomes you to the growing family of new product owners. This Rotary Cutter has been designed The dealer should complete the Online Warranty with care and built by skilled workers using quality Registration at the time of purchase.

  • Page 19: Section 1: Assembly & Set-Up

    Power Take-Off Speed Model RC4620 ..... 540 rpm Before You Start Model RCM4620 ....1000 rpm Electrical (See Figure 1-25 on page 28) .

  • Page 20: Hitch Types

    The cutter is factory supplied with the standard clevis hitch. Other optional hitches are available. They include Land Pride Performance Hitch, bar-tite, ball, and pintle hitch. See your nearest Land Pride dealer should you want to change your hitch set-up. Standard Clevis Hitch...

  • Page 21: Hitch Assembly

    (#3) as shown. Secure clevis pins with flat washers (#10) and cotter pins (#8). 5. Leveling rod adjustment will be made later. See “Level Cutter Decks” on page 32 for detailed instructions. 39112 Park Jack Assembly Figure 1-9 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...

  • Page 22: Standard Clevis Hitch Hook-Up

    4. Shut tractor down properly before dismounting. Refer 13. Continue with “Rephasing Cylinders & Plumbing” to “Tractor Shutdown Procedure” on page 36. on page 21. 5. Verify tractor drawbar is adjusted correctly. Refer to “Drawbar Set-up” dimensions on page 15. RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...
  • Page 23 6. Start tractor, raise 3-point arms fully up, and carefully back tractor within close proximity of clevis (#9). 18. Continue with “Rephasing Cylinders & Plumbing” on page 21. Shut tractor down properly before dismounting. Refer to “Tractor Shutdown Procedure” on page 36. 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...

  • Page 24: Bar-Tite Hitch Hook-Up

    Securely lock chain hook to the before working on or around an unhooked cutter. safety chain. RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...
  • Page 25 Bulkhead Tee 9/16"MJIC x 9/16"MJIC x 9/16" MJIC Figure 1-14 3/8" Hydraulic hose, 189" long x 3/4"MORB x 9/16" FJIC Quick disconnect poppet type coupler, 3/4" FORB male 33913 Wing Folding Cylinders and Plumbing Figure 1-15 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...

  • Page 26: Hydraulic Hook-Up

    Route wing folding cylinder hose (#6) through the two spring hose support loops (#12 & #13). 2. Route rephasing lift cylinder hoses (#7) through the two spring hose support loops (#12 & #13) and connect to a tractor remote outlet. RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...
  • Page 27 (#8) from clevis pin (#6). 5. Replace flat washer (#3) and cotter pin (#5). Bend one or more legs of cotter pin to secure it in place. 6. Repeat steps 4 & 5 for the other wing. 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...
  • Page 28 Use a 4" support block if cutter is equipped with 21" laminated tires and a 6" support block if cutter is equipped with 29" aircraft tires. Unfold wing deck until its skid shoe is resting on the 4" or 6" support block. RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...

  • Page 29: Driveline Assembly

    10. Check safety chain (#3). Make sure it is latched to mounting plate (#4) and gearbox shield (#10). 11. Rotate driveline hanger (#11) up and support driveline (#5) on hanger. Final adjustments to hanger will be made after tractor hook-up. 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...

  • Page 30: Driveline Hook-Up

    8. Loosen nuts securing carriage bolts (#4) and adjust stored on left-hand wing. For detailed instructions, driveline hanger (#1) up/down until there is a small refer to steps 10-11 on page 18. gap between driveline (#5) and hanger (#1). RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...

  • Page 31: Driveline Clearance Check

    Hold control lever on long enough to give the hydraulic system time to purge of any trapped air in the lines and rephasing cylinders. 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...
  • Page 32 (#2). Enhance Module Wire Connections Figure 1-26 Secure harness in place with spiral hose wrap (#3). If needed, add any cable ties to complete the process. RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...

  • Page 33: Unhook Rotary Cutter

    If unhooking bar-tite hitch, remove hitch (#11) from tractor drawbar and reattach it to the hitch (#9) with removed bolt (#1) and locknut (#2) Screw locknut on 4 or 5 full turns. Do not torque nut tight. 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...
  • Page 34 Table of Contents Section 1: Assembly & Set-up 39113 Unhook from Standard Hitch Figure 1-28 39114 Unhook from LP Performance Hitch Figure 1-29 33870 Unhook From Bar-Tite Hitch Figure 1-30 RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...
  • Page 35 Table of Contents Section 1: Assembly & Set-up This page left blank intentionally. 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...

  • Page 36: Section 2: Adjustments

    9. Be sure leveling rods have equal amounts of tension are folded up. See cover picture for correct and then tighten jam nuts (#5) against couplers (#6). positioning. RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...

  • Page 37: Wing Deck Leveling

    If the outer wing edge is lower than the center deck, loosen adjusting nut (#4) several turns and tighten adjusting nut (#5) until wing is level. Tighten adjusting nut (#4) to the correct torque when level. 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...

  • Page 38: Cutter Height Adjustment

    (#1-#4) that will fit on the center hydraulic cylinder rod. The following spacers are available. • (#1): Two 1" spacers • (#2): One 1 1/4" spacer • (#3): One 1 1/2" spacer • (#4): One 1 3/4" spacer RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...

  • Page 39: Start-Up Checklist

    • Tractor power take-off shaft shield, driveline shields, and 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...

  • Page 40: Section 3: Operating Instructions

    Exceeding rated cutting capacity can damage drive components, cutter blades, and deck components. • Do not operate a broken or bent driveline. Such a driveline will break apart while rotating at high speeds and can cause RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...

  • Page 41: Avoid Extreme Turning Angles

    8. Raise center deck fully up. 9. Without lowering cutter, shut tractor down properly before dismounting. Refer to “Tractor Shutdown Procedure” on page 36. 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...

  • Page 42: Transport Locks

    6. Repeat steps 4 and 5 for the other wing section. 39119 Transport Bar, Locked Position Figure 3-3 39118 Transport Bar, Storage Position Figure 3-2 RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...

  • Page 43: Field Set-Up

    Figure 3-4 Road Side Cutting Inspect Field and Cutter Blades Land Pride recommends the Rotary Cutter be equipped Thoroughly inspect area to be cut for debris and with chain guards to stop flying objects when cutting road unforeseen objects. Remove all potential hazards sides.
  • Page 44 2 to 5 mph. Loss of power take-off speed will allow the blades to hinge back and result in ragged, uneven cutting. RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...
  • Page 45 Make sure cutter wings are on the ground and in right leveling adjustments, and preset your cutting height, cutting position. you’re almost ready to begin using your Land Pride 20' • Engage power take-off, raise engine rpm to the Smooth Top Rotary Cutter.

  • Page 46: Section 4: Options & Accessories

    The cutter is factory supplied with the standard clevis Land Pride offers two types of safety guards to best suit hitch. Other optional hitches are available. See “Hitch your application: single row chainguards and double row Types”...

  • Page 47: Hydraulic Accessories

    Table of Contents Section 4: Options & Accessories Hydraulic Accessories Land Pride offers two different kits for raising the deck wings independently to clear small obstacles in the field without maneuvering around them. Hydraulic Wing Control Kit 318-316A HYDRAULIC WING CONTROL KIT Refer to Figure 4-1: This kit is for tractors with three duplex outlets.
  • Page 48 (D) and dishpans (E) in a clean dry 3. Place tractor gear selector in park or set brake, shut location. Inside storage is best. engine off and remove ignition key. 4. Disconnect main driveline from tractor. RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...
  • Page 49 2. Insert cotter pin (A) through slotted hex nut and gearbox spindle. Secure cotter pin by bending both Cutting legs opposite directions around slotted hex nut. Edge Clockwise Rotation 30326 Center Deck Shredder Assembly Figure 4-6 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...

  • Page 50: Section 5: Maintenance & Lubrication

    Replace parts only with genuine OEM parts. 3. Replace wheel rims and tires as needed with • genuine Land Pride parts. Do not loosen split rim Buildup of debris around moving components and hardware (#1) until all air pressure in the tire has gearboxes is a fire hazard.

  • Page 51: Skid Shoes

    There are two skid shoes mounted on each wing deck and two skid shoes mounted on the center deck. Check all skid shoes for wear and replace if necessary. Order only genuine Land Pride parts from your local Land Pride dealer. Center Skid Shoes...

  • Page 52: Cutter Blade Maintenance

    2. Disconnect main driveline from tractor and secure 10. Reconnect main driveline to the power take-off shaft cutter deck in the up position with solid supports and remove support blocks. before servicing underside of cutter. RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...

  • Page 53: Drivelines With Slip Clutches

    318-871H BLADE CARRIER WELDMENT 840-273C PLUG LP 3" ID RUBBER 820-249C CUTTER BLADE, CW (Center Deck) 820-249C CUTTER BLADE, CW (Right Wing) 820-168C CUTTER BLADE, CCW (Left Wing) Cutter Blade Assembly Figure 5-5 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...
  • Page 54 If clutch run-in procedure above indicated that one or more 826-820C Center 1.32 in. / 33.5 mm friction disks did not slip, then the clutch must be Type A Clutch Adjustment disassembled to separate the friction disks. Figure 5-9 RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...
  • Page 55 (#6) 0.25 mm (.010”). 3. Tighten belleville spring (#6) until spring is tight against drive plate (#4) & then back nuts (#8) up 2 2/3 revolutions, “A” should = 4.0 mm (0.157”). 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...

  • Page 56: Long Term Storage

    4. Repaint parts where paint is worn or scratched to prevent rust. Ask your Land Pride 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 57: Lubrication Points

    Type of Lubrication: Multi-Purpose Grease Quantity = As required 33874 Hours Wing Axle Pivots 2 - zerks (1 per wing axle arm pivot) Type of Lubrication: Multi-Purpose Grease Quantity = As required 33875 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...
  • Page 58 Type of Lubrication: Multi-purpose Grease 26599 Quantity = As required 37725 Needed Park Jack 1 - zerk Type of Lubrication: Multi-purpose Grease Quantity = As required Frequency = As needed and when unhooking for longterm storage. RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...

  • Page 59: Divider Box

    Reinstall and tighten oil level plug and oil fill/vent plug. Type of Lubrication: 80-90W EP Quantity = Fill until oil begins to flow out oil level plug hole in gearbox. 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...
  • Page 60 Grease fittings located on the u-joints should be lubricated every 8 hours of operation. IMPORTANT: Attach safety chain (#1) to tractor frame. Attach safety chain (#2) to cutter frame. 39280 CV Driveline with overrunning clutch Figure 5-13 RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...
  • Page 61 Steps 1-6 can be repeated to lubricate universal joint 3. Refer to Figure 5-18: Pull back on driveline shielding on opposite end of driveline. until CV joint is exposed. 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...
  • Page 62 Wing Driveline Profile Tubes Type of Lubrication: Multi-purpose Grease Quantity = Coat Generously 37514 Hours Wing Driveline Joints Type of Lubrication: Multi-purpose Grease 37514 Hours Intermediate Driveline Joints Type of Lubrication: Multi-purpose Grease 37518 RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...

  • Page 63: Section 6: Specifications & Capacities

    1 1/4" (3.2 cm) Axle Fasteners Greasable pins Hubs Cast iron five-bolt hubs with tapered roller bearings and 1 3/4" (4.4 cm) shafts. * Maximum cut height is dependent on tire options selected. 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...
  • Page 64 2" (5.1 cm) Overall Width With Lift & Folding Cylinders Fully Retracted 21' - 0 1/2" (6.41 m) 17' - 8 1/2" (5.4 m) 39124 Dimensions Shown Are With Lift Cylinders Fully Retracted. RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...

  • Page 65: Section 7: Features & Benefits

    RC4620 & RCM4620 Models Features Benefits Surpassed rugged All Land Pride Rotary Cutters have been designed and tested and meet rigorous industry standards voluntary testing procedures according to ISO 4254-13. Factory assembled Saves customer set-up time and money. Adjustments should always be made by dealer.
  • Page 66 Laminated tires: Eliminates flats. Wheel options Air-filled tires: Give better cushion while transporting. Foam-filled tires: Give better cushion while transporting & can’t go flat. Deck rings (optional) Keeps blades from damaging the deck. RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...

  • Page 67: Section 8: Troubleshooting

    Blades have unequal weight Replace each pair of blades on affected carrier. Wing cylinder movement too slow Orifice is plugged Remove elbow fitting and unplug orifice. 7/31/20 RC4620 & RCM4620 Rotary Cutters 331-936M...

  • Page 68: Section 9: Torque & Tire Inflation Charts

    Additional Torque Values Blade Bolt Locknut 450 ft-lbs Blade Carrier Hub Nut 550 ft-lbs minimum Wheel Lug Nuts 85 ft-lbs Tire Inflation Chart Tire Size Inflation PSI 29 x 9 - 15 x 16 plys RC4620 & RCM4620 Rotary Cutters 331-936M 7/31/20...

  • Page 69: Warranty

    This Warranty is limited to the repair or replacement of any defective part by Land Pride and the installation by the dealer of any such replacement part, and does not cover common wear items. Land Pride reserves the right to inspect any equipment or parts which are claimed to have been defective in material or workmanship.
  • Page 70 Corporate Office: P.O. Box 5060 Salina, Kansas 67402-5060 USA www.landpride.com...

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