Land Pride DM3707 Series, DM3705 Series, DM3706 Series manual Troubleshooting

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Table of Contents

Section 7: Troubleshooting

Problem

Cause

Solution

 

 

 

Not cutting clean

Dull Blades.

Replace blades.

 

 

 

 

Mower not level.

Adjust machine.

 

 

 

 

Ground speed too fast.

Reduce ground speed.

 

 

 

 

Blades locked back.

Free blades.

 

 

 

 

Blade on wrong for rotation of disc

Change blade pairs for correct rotation blades

 

 

 

Streaking conditions in

Conditions too wet for cutting.

Allow grass to dry before cutting. Slow ground

swath

 

speed of tractor but keep engine running at full

 

 

PTO rpm.

 

 

 

 

Dull blades.

Sharpen or replace blades.

 

 

 

 

Wet mud build-up between skid shoes.

Clean area between skids. Raise cutting height.

 

 

 

 

Blade on wrong for rotation of disc

Change blade pairs for correct rotation blades

 

 

 

Gearbox noisy

Rough gears.

Run in or gear failure.

 

 

 

 

Worn bearing.

Replace bearing.

 

 

 

Gearbox leaking

Damaged oil seal.

Replace seal.

 

 

 

 

Bent shaft.

Replace oil seal and shaft.

 

 

 

 

Oil seal not sealing in housing.

Replace seal or use a sealant on OD of seal.

 

 

 

 

Oil level too high.

Drain oil to proper level.

 

 

 

 

Gasket damaged.

Replace gasket.

 

 

 

 

Bolts loose.

Tighten bolts.

 

 

 

Uneven stubble

Too much tilt on cutter bar.

Reduce tilt.

 

 

 

 

Low PTO speed.

Increase engine speed to run PTO at 540 rpm.

 

 

 

 

Blades not installed correctly.

Make sure that arrow on knife upper face is

 

 

pointing in the direction of rotation of the disc.

 

 

 

 

Low disc speed.

Check belt for correct tension.

 

 

 

 

Dull or broken blades.

Replace blades.

 

 

 

 

3-point arms not level causing float mechanism to

Level three point arms

 

not function properly

 

 

 

 

Stubble too long

Incorrect angle on cutter bar.

Change cutter bar angle using tractor top link.

 

 

 

 

Insufficient cutter bar down pressure.

Adjust compensating spring tension.

 

 

 

 

3-point arms not level causing float mechanism to

Level three point arms

 

not function properly

 

 

 

 

Soil built up in front of

Very wet conditions

Adjust main frame height by shortening safety

cutter bar

 

chain as necessary.

 

Too much cutter bar down pressure

Adjust compensating spring tension.

 

 

 

 

3-point arms not level causing float mechanism to

Level three point arms

 

not function properly

 

 

 

 

Machine breaking back

Insufficient tension on break-away spring washers.

Tighten break-away spring.

too easily

 

 

3-point arms not level causing float mechanism to

Level three point arms

 

 

not function properly

 

 

 

 

 

Belleville washers flattened

Replace with new Belleville washer part no.

 

 

 

9/15/06

DM3705, DM3706, and DM3707 Series Disc Mowers 327-083M 27

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Contents Disc Mowers Table of Contents Shutdown and Storage Be Aware Signal WordsFor Your Protection Practice Safe Maintenance Use Safety Lights and DevicesTransport Machinery Safely Tractors With Cabs orPrepare for Emergencies Tire SafetyWear Protective Equipment Keep Riders Off MachineryImportant Safety Information Safety Labels818-641C 818-558C Application Using This ManualOwner Assistance IntroductionAssembly and Set-Up Assembly PreparationTools Required Gearbox and Cutter Bar LubricationSupport Stand Assembly Main Frame to Cutter Bar AssemblyPTO Guard Assembly Cutter Bar Assembly Refer to -4 and Figure Main Frame Assembly Back SideCanvas Curtain Assembly Operating Point Pin Set-upTractor Hook-up Checking Driveline Minimum Length Driveline InstallationTransport Latch Operation Rope Hook-upUpper Spring Connection After Hooking-up Mower to TractorAdjusting Lower Spring Tension Spring Tension AdjustmentAdjusting Upper Spring Tension TransportingOperating Check List Operating ChecklistWorking Position Mowing InstructionsOperating Instructions Safety Break-AwayTable of Contents Cutting Height Belt Tension AdjustmentAdjustments Servicing Blades General MaintenanceMaintenance and Lubrication Belleville Washer Replacement Cutter Bar Timing AdjustmentLubricate as noted in Maintenance and Lubrication on Blade & Belleville Washer Pt. No’sRequired LubricationHours Hitch Pivot Point Cutter BarFrame Pivot Point DM3705 DM3706 DM3707 Specifications & CapacitiesSeries Disc Mowers DM37 Series Disc Mowers Features & BenefitsFeatures Benefits Troubleshooting Appendix Torque Values Chart for Common Bolt SizesWarranty Corporate Office P.O. Box Salina, Kansas 67402-5060 USA

DM3707 Series, DM3706 Series, DM3705 Series specifications

Land Pride, a leading manufacturer of agricultural and land management equipment, offers the DM3705, DM3706, and DM3707 series of rotary mowers. These models are designed to efficiently handle a variety of mowing tasks, making them ideal for maintenance of pastures, brush, and lawns. With a commitment to quality and performance, each series provides unique features and technologies that cater to different user needs.

The DM3705 series is characterized by its compact design and ease of use, making it suitable for smaller tractors. It features a 5-foot cutting width, which provides excellent maneuverability in tight spaces. The mower is equipped with a durable, heavy-duty steel frame and three-blade system, ensuring a clean cut and long-lasting performance. The quick hitch feature allows for easy attachment and detachment, enhancing user convenience.

The DM3706 series takes performance a step further with a wider 6-foot cutting width. This model is ideal for users looking to cover more ground with each pass. It incorporates Land Pride's patented cutting blade technology, which optimizes cutting efficiency and reduces fuel consumption. The side discharge feature ensures that clippings are evenly distributed, promoting healthy turf. Additionally, adjustable cutting height options allow operators to customize the mower's performance according to the mowing conditions.

For larger operations, the DM3707 series offers an impressive 7-foot cutting width while maintaining the performance standards of its predecessors. This series is designed to handle more demanding mowing tasks, with an emphasis on durability and reliability. The heavy-duty construction is reinforced to withstand harsh conditions and rough terrain, making it suitable for commercial applications. Its advanced blade design and high-capacity gearboxes contribute to smoother operation and reduced maintenance.

Each of these DM3700 series mowers features Land Pride's innovative safety mechanisms, including shielded blades and secure mounting systems. The ergonomic controls enhance user comfort during operation, reducing fatigue over long working hours. These mowers are compatible with a variety of tractors, making them versatile options for farmers, landscapers, and property managers alike.

In summary, the Land Pride DM3705, DM3706, and DM3707 series rotary mowers are designed to meet diverse mowing needs while offering reliable performance and advanced features. Their robust construction, efficiency, and user-friendly design make them preferable choices for anyone looking to maintain large areas with ease and effectiveness.
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