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Table of Contents

Cover photo may show optional equipment not supplied 
with standard unit. 
For an Operator’s Manual and Decal Kit in French or 
Spanish Language, please see your Land Pride dealer.

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! 

!

Rotary Cutters

RC(M)3712 & RCG(M)3712

334-203M

Operator’s Manual

 Printed 11/6/18

70485

Summary of Contents for RC3712

Page 1: ... French or Spanish Language please see your Land Pride dealer 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 Rotary Cutters RC M 3712 RCG M 3712 334 203M Operator s Manual Printed 11 6 18 70485 ...

Page 2: ...rdered the weights and measurements are no longer accurate for your machine Update the record by adding the machine weight and measurements provided in the Specifications Capacities Section of this manual with the Option s weight and measurements Dealer Contact Information Model Number Serial Number Machine Height Machine Length Machine Width Machine Weight Delivery Date First Operation Accessorie...

Page 3: ...Land Pride Performance Hitch Optional 12 Bar Tite Hitch Optional 12 Ball Hitch Optional 12 Pintle Hitch Optional 12 Tractor Shutdown Procedure 13 Hitch Assembly 13 Attach Park Jack 13 Attach Spring Hose Loop 13 Fixed Clevis Hitch Hook up 14 LP Performance Hitch Hook up 15 Bar Tite Hitch Hook up 16 Hydraulic Hook up 17 Wing Axle Turnbuckle Set up 18 Unfold Wings 18 Driveline Assembly 19 Driveline H...

Page 4: ...ce Lubrication 38 General Maintenance 38 Hydraulic System 38 Tires 38 Chain Guards 39 Skid Shoes 39 Wing Skid Shoes 39 Center Skid Shoes 39 Gearbox Driveline Shielding 39 Wing Gearbox Driveline Shield Access 40 Center Gearbox Driveline Shield Access 40 Drivelines 40 Drivelines With Slip Clutches 40 Clutch Run In 41 Clutch Disassembly Inspection Assembly 41 Cutter Blades 42 Hitch Wear Points 44 Fix...

Page 5: ...ildren to play on the power machine or implement Use extra caution when backing up Before the tractor starts to move look down and behind to make sure the area is clear Safety at All Times Careful operation is your best assurance against an accident All operators no matter how much experience they may have should carefully read this manual and other related manuals or have the manuals read to them...

Page 6: ... location Allow only enough slack in the chain to permit turning Always hitch the implement to the machine towing it Do not use the safety chain tow the implement Transport Safely Comply with federal state and local laws Use towing vehicle and trailer of adequate size and capacity Secure equipment towed on a trailer with tie downs and chains Sudden braking can cause a towed trailer to swerve and u...

Page 7: ...hones while operating equipment Use Seat Belt and ROPS Land Pride recommends the use of a CAB or roll over protective structures ROPS and seat belt in almost all power machines Combination of a CAB or ROPS and seat belt will reduce the risk of serious injury or death if the power machine should be upset If ROPS is in the locked up position fasten seat belt snugly and securely to help protect again...

Page 8: ... 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 a Clean surface area where label is to be placed b Spray soapy water onto the...

Page 9: ... Danger Rotating Driveline Keep Away 4 Places Top of splitter shield main driveline and 2 wing drivelines 818 130C RC Series cutters only Caution Use 540 rpm power take off 818 240C RCM Series cutters only Caution Use 1000 rpm power take off 818 540C Danger Shield Missing DO NOT Operate 3 Places Located on main and two wing drivelines ...

Page 10: ...1 6 18 6 Table of Contents 70439 70446 70446 858 947C Danger Thrown Object Rotating Blade Hazard 2 Places Located on back side of left right wing 818 142C Danger Rotating Driveline Keep Away 2 Places Located on right wing and left wing 858 950C Warning Pinching Crushing Hazard ...

Page 11: ...Important Safety Information RC M 3712 RCG M 3712 Rotary Cutters 334 203M 11 6 18 7 Table of Contents 70439 858 949C Safety Combo 2 Places Located on the right and left wing decks ...

Page 12: ...Important Safety Information RC M 3712 RCG M 3712 Rotary Cutters 334 203M 11 6 18 8 Table of Contents 70439 858 954C Safety Combo ...

Page 13: ...Reflector 2 Places Located on front side of left right wing decks 818 230C 1 11 16 x 2 13 16 Red Reflector 4 Places Located on back side of axle spindles 838 614C 2 x 9 Red Reflector 2 Places Located on back side of left right wing decks 838 615C 2 x 9 Amber Reflector 3 Places Located on front left side of center deck on right and left side of center axle ...

Page 14: ...es will help you get years of satisfactory use from this Rotary Cutter Application The RC3712 RCM3712 RCG3712 and RCGM3712 Rotary Cutters are designed and built by Land Pride to provide excellent cutting performance on gently sloping or slightly contoured right of ways pastures orchards set aside acres or row crop fields The 12 cutting width and ability to cut weeds and brush up to 3 in diameter m...

Page 15: ...your cutter An understanding of how the cutter works will aid in the assembly and setup of your cutter It is best to go through the Assembly Checklist before assembling the cutter Speed up your assembly task and make the job safer by having all needed parts and equipment readily at hand Torque Requirements See Torque Values Chart for Common Bolt Sizes on page 58 to determine correct torque values ...

Page 16: ...ept it clamps directly to the drawbar The bar tite hitch is sandwiched between hardened steel plates to eliminate drawbar wear It has a bushing in the tongue to extend hitch life Bushing and hitch swivel are greasable Ball Hitch Optional Refer to Figure 1 5 Cutter rotation about the tractor drawbar is limited to swivel movement over the 2 5 16 tractor mounted ball Pintle Hitch Optional Refer to Fi...

Page 17: ...2 lower center deck down until it is fully resting on the ground Cylinder Stops Figure 1 7 Refer to Figure 1 8 4 Hitch 2 is shipped hinged up and bolted in place Remove and discard 1 2 hex whiz nuts 4 and 1 2 bolts 3 5 Rotate hitch frame 2 down into pulling position as shown Install left and right leveling rods 1 to hitch frame 2 with 3 4 10 x 4 GR8 bolts 6 3 4 flat washers 5 and 3 4 nylock hex nu...

Page 18: ...to align clevis 9 with tractor drawbar Drawbar should fit between lower and upper plates of clevis 8 Restart tractor and continue to back tractor up to cutter hitch until hitch holes in tractor drawbar and hitch clevis 9 are aligned 9 Shut tractor down properly before dismounting 10 Attach cutter to tractor drawbar with customer supplied hitch pin 1 and hairpin cotter 2 11 Lower park jack 3 until ...

Page 19: ...stomer supplied 6 Start tractor raise 3 point arms fully up and carefully back tractor within close proximity of clevis 9 7 Shut tractor down properly before dismounting Refer to Tractor Shutdown Procedure on page 13 8 Verify tractor drawbar is adjusted correctly Refer to Drawbar Set up dimensions on page 11 9 Raise or lower park jack 3 to align clevis 9 with tractor drawbar Drawbar should fit bet...

Page 20: ... Keep people and animals away while backing up to implement or pulling away from implement Do not operate hydraulic controls while a person or animal is directly behind the power machine or near the implement WARNING To avoid serious injury or death The ball detent pin must be fully inserted into the park jack with ball visible and popped out on the far side of the jack before working on or around...

Page 21: ... lifting the cutter and one for lifting the wings simultaneously It is highly recommended to connect the wing fold hose to a duplex with float capabilities and use the float when in field operation The black handled hose is for the lift cylinder and the red handled hose is for the fold cylinders WARNING To avoid serious injury or death Hydraulic fluid under high pressure can penetrate the skin and...

Page 22: ... area where a raised wing will fall unless the wing is securely locked in the raised position with its transport lock Refer to Figure 1 16 1 Park tractor and cutter on a level surface 2 Release any tension on transport lock pins 2 by raising both wings up slightly 3 Without relieving hydraulic pressure shut tractor down properly before dismounting Refer to Tractor Shutdown Procedure on page 13 704...

Page 23: ...and secure with hex whiz nuts 4B Tighten whiz nuts to the correct torque Refer to Figure 1 18 6 Unsnap latches 5 on both sides of gearbox shield 10 and remove shield IMPORTANT The driveline must be lubricated before putting it into service Refer to Lubrication Points on page 46 NOTE Wings must be lowered before removing the driveline from its shipping location See Unfold Wings on page 18 Remove Ma...

Page 24: ...earby WARNING To avoid serious injury or death Always shut tractor down using Tractor Shutdown Procedure provided in this manual before dismounting tractor CAUTION To avoid minor or moderate injury Some tractors are equipped with two power take off speeds Be certain your tractor s power take off is set at the implement s rated power take off speed or equipment breakage may result RC models are rat...

Page 25: ...ounting 6 Replace stroke control spacers 2 as needed to support wheels at this position Refer to Figure 1 22 7 With driveline attached to tractor rotate driveline hanger 1 up as shown 8 Loosen nuts securing carriage bolts 3 and adjust driveline hanger 1 up until there is a small gap between driveline 5 and hanger 1 9 If driveline hanger 1 is adjusted fully up and needs to adjust higher remove carr...

Page 26: ...l hydraulic pressure is relieved before disconnecting any hydraulic lines or fittings to purge the hydraulic system Wing Fold Cylinder Refer to Figure 1 23 1 Lower center deck until it is supported by stroke control spacers 6 on hydraulic cylinder 4 2 Lower wing decks until they rest on the ground 3 See Tractor Shutdown Procedure on page 13 Shut tractor down properly and move deck lift control lev...

Page 27: ... amber lights are blinking on and off 4 If the lights did not operate properly recheck hook up of enhance module and wire harnesses Make necessary changes and repeat step 3 above 5 Check wire harness routing to make sure wires will not be pinched as wing decks are folded and unfolded and while raising and lowering cutter height 6 Secure harness in place with spiral hose wrap 12 and add cable ties ...

Page 28: ...remove the transport pin 2 from the light guard bracket 3 Refer to Figure 1 28 7 Insert transport pin 2 through fold lugs 3 and secure it with hairpin cotter 1 Refer to Figure 1 29 8 Spread stroke control spacers 2 apart at the break line and remove them from hydraulic cylinder 1 9 Start tractor and lower cutter until front skids are resting on the ground or on support blocks 10 Without relieving ...

Page 29: ...e cutter hitch weight off the tractor drawbar 22 Remove connecting hitch pin or bolt as follows a For Fixed Clevis Hitch See Figure 1 32 Remove hairpin cotter 2 and hitch pin 1 b For LP Performance Hitch See Figure 1 31 Remove hairpin cotter 2 and hitch pin 1 c For Bar Tite Hitch See Figure 1 33 Remove locknut 1 and bolt 2 23 Restart tractor and drive tractor slowly forward several feet 24 Shut tr...

Page 30: ...re with hair pin Remove jack or lift straps 10 Return to the tractor and fully extend center deck lift cylinder to raise the deck up 11 Without relieving hydraulics shut tractor down properly before dismounting Refer to Tractor Shutdown Procedure on page 13 Replace stroke control spacers and remove support blocks from under the four corners of the center deck Park Jack Angle Alignment Refer to Fig...

Page 31: ...g coupler nuts 4 will shorten leveling rods and raise front of cutter NOTE 1 measurement can be lowered or raised depending on cutting conditions If continuous hinges are too low at the front a Loosen jam nuts 3 several turns b Tighten coupler nuts 4 an equal amount to shorten both leveling rods until hinges 1 are 1 lower in the front than in the back 7 Be sure both sides are equal distance from g...

Page 32: ... steps 4 7 until desired cutting height is achieved NOTE Make all cutting height adjustments in the field using height of cut grass material as a guide Do not measure blade height above ground as the non operating blade height will be different than the operating blade height 70456 8 Select required size and number of stroke control spacers 2 that will fit on the center hydraulic cylinder 1 The fo...

Page 33: ...hart 58 Always secure equipment with solid non concrete supports before working under it Never go under equipment supported by concrete blocks or hydraulics Concrete can break hydraulic lines can burst and or hydraulic controls can be actuated even when power to hydraulics is off Keep everyone away from the cutter when folding or unfolding the wings or when raising or lowering the cutter The cutte...

Page 34: ...onents and cutter blades Avoid catching hydraulic hoses on brush posts tree limbs and other protrusions that could damage and or break them Buildup of debris around moving components and gearboxes is a fire hazard Keep rotating parts and gearboxes free from debris to avoid serious injury and property damage Improper oil level can cause bearing failure and be a fire hazard Maintain proper gearbox o...

Page 35: ...s shut tractor down using Tractor Shutdown Procedure provided in this manual before dismounting tractor Stop power take off immediately if vibration continues after a few revolutions during start up and anytime vibration occurs thereafter CAUTION To avoid minor or moderate injury Some tractors are equipped with two power take off speeds Be certain your tractor s power take off is set at the implem...

Page 36: ...teering and stopping and never exceed 20 mph 32 2 km h with attached equipment Rough terrain requires a slower speed When traveling on public roads use LED lights slow moving vehicle sign clean reflectors and other adequate devices to warn operators in other vehicles of your presence If implement blocks visibility of slow moving IMPORTANT Always disengage tractor s power take off wait for blades t...

Page 37: ...ounting Refer to Tractor Shutdown Procedure on page 13 Refer to Figure 3 4 on page 32 4 Remove hairpin cotters 1 from both left and right side transport pins 2 Refer to Figure 3 3 on page 32 5 Store transport pins 2 in light guard brackets 3 and secure them with hairpin cotters 1 6 Start tractor and lower both wings down 7 Adjust cutter to field cutting height See Adjust Cutter Height on page 28 f...

Page 38: ...e raise the cutter to transport height to check for driveline IMPORTANT It will take longer for the blades to come to a complete stop on cutters equipped with a main driveline that has an overrunning clutch as opposed to a cutter with a main driveline that doesn t have an overrunning clutch bind or chatter Lower cutter to the ground return engine to a low idle and disengage the power take off Make...

Page 39: ...ake off speed and begin mowing Try increasing or decreasing ground speed to determine the effect on quality of cut With a little practice you will be pleased with what you and your Land Pride 12 Folding Rotary Cutter can do When you are done mowing need to take a break or just need to make a few adjustments to the cutter remember to always do the following Reduce tractor s engine rpm and disengage...

Page 40: ...foam filled tires They are built tough to withstand the rugged use a cutter receives provides a smoother ride when transporting and won t go flat New aircraft tires They are built tough to withstand the rugged use a cutter receives and to provide a smoother ride when transporting 4 Wheel axle arrangement Two tires on transport axle and one on each wing axle 6 Wheel axle arrangement Four tires on t...

Page 41: ...c adapter fitting 6 from the lift cylinder s port hole 7 and put away as it is no longer be needed 6 Install hydraulic adapter fitting 8 to the lift cylinder s port hole 7 Tighten fitting 7 Install hydraulic cross fitting 9 to hydraulic adapter fitting 8 Tighten fitting 8 Install hydraulic adapter fitting 10 to hydraulic cross fitting 9 Tighten fitting Single Duplex Hook Up Figure 4 1 70663 Lift C...

Page 42: ...ous injury and property damage Hydraulic System One of the most important things you can do to prevent hydraulic system problems is to ensure your tractor s hydraulic reservoir remains free of dirt and other contaminations Use a clean cloth to wipe hose ends clean before attaching them to your tractor Replace tractor hydraulic filter element at the prescribed intervals These simple maintenances wi...

Page 43: ...ry 3 Attach new left hand skid shoe 1 to cutter with 3 8 plow bolts 2 and secure with 3 8 hex whiz nuts 3 Tighten bolts to the correct torque 4 Repeat for the right hand wing Center Skid Shoes Refer to Figure 5 3 Replace center skid shoes as follows 1 Remove 5 8 11 hex flange nuts 4 5 8 11 x 4 GR5 bolts 3 and right hand center skid shoe 1 from the center deck frame 2 as shown 2 Attach new skid sho...

Page 44: ...damaged and in working order Replace the shields and drivelines as needed DANGER To avoid serious injury or death Tractor power take off shaft shield driveline shields and gearbox shaft shields must be installed and in good working condition to avoid driveline entanglement and projectiles flying off of the driveline WARNING To avoid serious injury or death Do not operate a broken or bent driveline...

Page 45: ...ition Slippage has not occurred if any two marks on the friction disk and plate are still aligned A clutch that has not slipped must be disassembled to separate the friction disk plates See Clutch Disassembly Inspection Assembly on page 41 below 6 Tighten each of the 8 spring retainer nuts on the clutch housing exactly 2 revolutions to restore clutch to original setting pressure 7 Allow clutch to ...

Page 46: ...r excessively nicked Never try to straighten a bent blade Small nicks can be ground out when sharpening Refer to Figure 5 9 on page 43 when ordering Land Pride replacement blade components Remove cutting blades and sharpen or replace as follows 1 Secure cutter deck in the up position with solid supports before servicing underside of cutter 2 Shut tractor down properly before dismounting Refer to T...

Page 47: ... on gearbox output shaft should be torqued to 450 ft lbs minimum and secured with cotter pin 8 with both legs bent opposite directions around the nut 10 Replace rubber plug 5 11 Reconnect main driveline to tractor power take off shaft IMPORTANT Examine blade bolts and their flat washers for excessive wear and replace if worn Cutter Blade Assembly Figure 5 9 Direction of Blade Rotation Figure 5 10 ...

Page 48: ...ced Land Pride Performance Hitch Wear Points Refer to Figure 5 12 For the Land Pride Performance Hitch check plate 1 for excessive wear If the thickness of plate 1 is worn down to 1 2 or less at the hitch pin hole the component must be replaced Check for excessive wear on flat washer 2 Replace as needed Bar Tite Hitch Wear Points Refer to Figure 5 13 For the Bar Tite Hitch check plates 1 2 for exc...

Page 49: ... adjust or replace as needed 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 5 Replace all damaged or missing guarding decals 6 Lubricate as noted in Lubrication Points starting on page 46 7...

Page 50: ... of Lubrication Multi Purpose Grease Grease both left right hand side turnbuckles Quantity As required Grease with wings folded up to remove pressure on turnbuckle and allow grease to reach more areas Park Jack 1 zerk Type of Lubrication Multi purpose Grease Quantity As required Frequency As needed and when unhooking for long term storage 50 hrs Multi purpose spray lube Multi purpose grease lube M...

Page 51: ...s Type of Lubrication Multi purpose Grease Quantity As required 704 70479 70480 Bar Tite Hitch 3 zerks Type of Lubrication Multi purpose Grease Quantity As required 50 Hours 50 Hours As Needed Deck Hinges 18 zerks Type of Lubrication Multi purpose Grease Quantity As required Frequency As needed and when unhooking for long term storage ...

Page 52: ...plug hole in gearbox IMPORTANT Do not overfill gearbox with oil Oil will expand when hot Make sure implement is level and oil is cool before checking oil level Divider Box Change oil after first 50 hours then change it yearly or every 600 hours Instructions Remove oil level plug If oil is below bottom of plug hole add recommended gear lube through oil fill vent plug hole until oil flows out of oil...

Page 53: ...ously Wing Driveline Joints Type of Lubrication Multi purpose Grease Quantity 2 3 Pumps Drivelines with external profile tube grease point 70491 37519 37519 37518 Intermediate Driveline Joints Type of Lubrication Multi purpose Grease Quantity 2 3 Pumps 8 Hours 8 Hours 8 Hours Wing Driveline Shield Grease Points 1 zerk on each end Type of Lubrication Multi purpose Grease Quantity 2 3 Pumps 8 Hours ...

Page 54: ... Main Driveline Joints Type of Lubrication Multi purpose Grease For instructions on how to access grease zerks shown in Figure 5 14 See Accessing CV Driveline Joints on page 51 The constant velocity joint should be greased in a straight position forcing grease through the passages and into the cavity After lubrication grease should be visible around the ball joints Grease fittings located on the u...

Page 55: ...to lubricate universal joint on opposite end of driveline Opposite end of driveline has only one grease zerk Lubrication By Sliding Driveline Shields Back 1 Refer to Figure 5 17 With a flat bladed screwdriver or similar tool pry top of red locking tab up 2 Refer to Figure 5 18 Rotate white locking ring fully counterclockwise to the position shown 3 Refer to Figure 5 19 Pull back on driveline shiel...

Page 56: ...Unlocked Driveline Shield Figure 5 18 Slide Driveline Shield Back To Expose Grease Zerks Figure 5 19 Red Locking Tab Snapped Down Into Position White Locking Ring Positioned On Right Side of Red Locking Tab 33994 Red Locking Tab Pried Up White Locking Ring Rotated Counterclockwise 33995 Driveline Shield Pulled Back Exposed CV Grease Zerks 33966 ...

Page 57: ...11 6 18 Page left blank intentionally ...

Page 58: ...gs Wing transport protection Wing transport lock pins Deck material thickness 10 Gauge Side skirt thickness 1 4 Steel Skid shoes Wing Deck 1 Replaceable skid shoe per wing Center Deck 2 Replaceable skid shoes Blades 6 2 per carrier 1 2 x 4 Heat treated free swinging alloy steel with uplift Blade overlap 6 Blade bolt Keyed with hardened flat washer locknut Stump jumper blade holder 3 16 Thick round...

Page 59: ...712 RCG M 3712 Rotary Cutters 334 203M 11 6 18 55 Table of Contents Transport Width Without Special Adjustments 10 2 With Cylinder Fully Extended 9 1 With Cylinder Resting On Spacer Kit 15 3 Add 2 5 for 26 Laminated Tires 12 10 7 4 70483 70481 ...

Page 60: ... stronger 1 4 Sidewall thickness Increased thickness reduces damage from objects being thrown into deck sidewalls Beveled skid shoes on wings Reduces gouging the ground when turning LED signal lights LED lights are bright long lasting and resist vibration unlike incandescent lights Hinged wing sections Allows cutter to follow terrain Ideal for rough ground where hillsides ditches and hollows can c...

Page 61: ...sition Use pry bar or other tool to separate cutting blades before lowering wings Tractor has instant on power take off Engage power take off at low RPMs and then slowly increase engine speed to full power take off speed See Engage Blades on page 33 Tractor has Instant off power take off Disengage blades at low RPMs or change to a driveline with overrunning clutch Blades wearing excessively Cuttin...

Page 62: ... M18 X 2 5 195 145 310 230 405 300 3 4 10 235 170 360 265 510 375 M18 X 1 5 220 165 350 260 485 355 3 4 16 260 190 405 295 570 420 M20 X 2 5 280 205 440 325 610 450 7 8 9 225 165 585 430 820 605 M20 X 1 5 310 230 650 480 900 665 7 8 14 250 185 640 475 905 670 M24 X 3 480 355 760 560 1050 780 1 8 340 250 875 645 1230 910 M24 X 2 525 390 830 610 1150 845 1 12 370 275 955 705 1350 995 M30 X 3 5 960 7...

Page 63: ...r product which in Land Pride s judgment shall have been misused or damaged by accident or lack of normal maintenance or care or which has been repaired or altered in a way which adversely affects its performance or reliability or which has been used for a purpose for which the product is not designed Misuse also specifically includes failure to properly maintain oil levels grease points and drive...

Page 64: ...Corporate Office P O Box 5060 Salina Kansas 67402 5060 USA ...

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