National Mower 99500500-8400 manual Lapping Compound, Grinding Procedure

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LAPPING COMPOUND

See your authorized Dealer to order these lapping compounds.

Lapping Compound

 

80

Grit – 1-lb.

02841500

80

Grit – 11-lb.

59501400

80

Grit – 25-lb.

59501700

100

Grit – 10-lb.

02071600

120

Grit – 11-lb.

59501500

120

Grit – 25-lb.

59501800

180

Grit – 11-lb.

59501600

180

Grit – 1-lb.

02841600

180

Grit – 25-lb.

59501900

220

Grit – 1lb.

02841800

220

Grit – 25-lb.

59502000

 

 

 

 

GRINDING PROCEDURE

Reel must be ground at 25° in the direction shown (Figure 19). Back grind until reel blades are free from roundness, dents, and nicks. Spin grind to remove all burrs. All blades must be on the same diameter.

After grinding the bedknife and reels, backlap to establish a perfect match between the bedknife and reel blades.

Back grind in the direction of the arrow at 25°

25°

Note centerline position of reel

Figure 19 to blades.

For maximum cutting efficiency, grind bedknife top and front edges at 5° (see Figure 20).

Grind bedknife at angles shown.

5°

5°

Figure 20

GB - 20

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Contents Triplex Reel Mower Table of Contents IntroductionSafety Required Operator Training Safety DecalsNotations Practices and Laws Safety Rules Page Page Controls and Features OperationChoke Prior to Starting the Unit Operating SuggestionsMowing Operation Starting the EngineDriving the Tractor Mowing Vertical Mowing UnitHillside Operation Pushing or Towing InstructionsAssembly TractorRear Mower SeatSteering Wheel Wing Mowers Wing Mower LiftEngine Crankcase Hydraulic OILTraction Pedal Adjustments Service and AdjustmentsBattery Upper Countershaft Belt Adjustment Parking Brake AdjustmentLower Countershaft Chain Adjustmentt Ground Speed ControlReel END Play Adjustment Height of CUT AdjustmentReel to Bedknife Adjustment Backlapping Procedure Vertical Mowing Unit Blade ChangingGrinding Procedure Lapping CompoundMaintenance General MaintenanceAssembly and Disassembly Charging a BatteryJumper Cables BeltsEngine Fuel Filter EngineLubrication Bedknife ReplacementHydraulic OIL Filter Symbols Frequency Location Type No. Storage General InstructionsTires Starting the Engine After StorageTroubleshooting Engine will not StartTractor will not Move Reel will not TurnSpecifications EngineTwo-Year Limited Turf Products Warranty Exclusions Items Not Covered by This Warranty

99500500-8400 specifications

The National Mower 99500500-8400 is an advanced lawn care solution that epitomizes efficiency and innovation for users who demand high performance from their gardening equipment. Designed for residential and light commercial use, this mower combines state-of-the-art technology with robust features to ensure a seamless mowing experience.

One of the standout features of the National Mower 99500500-8400 is its powerful engine. Equipped with a high-output, fuel-efficient engine, this mower delivers consistent power that translates into excellent cutting performance. This ensures that the mower can tackle various grass types and densities, making it useful for both manicured lawns and rugged terrains.

The 99500500-8400 boasts a durable cutting deck made from high-quality materials that resist corrosion and wear. This deck is designed with precision engineering to enhance airflow for optimal grass clipping discharge, resulting in clean, even cuts regardless of lawn conditions. Furthermore, the adjustable cutting height feature allows users to customize the mower’s settings, enabling them to achieve the desired grass length for their specific needs.

In terms of technology, the National Mower incorporates advanced safety measures to enhance user experience. The intuitive safety features include a blade brake that stops the blades within seconds when the operator releases the handle, reducing the risk of accidents. Additionally, the ergonomic handle design ensures comfort during use, allowing for prolonged operation without strain.

Another impressive characteristic of the 99500500-8400 is its ease of maintenance. The mower is engineered for quick blade sharpening and simple access to engine components, making routine upkeep straightforward for users. This is complemented by a lightweight design that enhances maneuverability, allowing users to navigate through tight spots and around obstacles with ease.

Finally, the National Mower 99500500-8400 is designed with environmental sustainability in mind. The fuel-efficient engine minimizes emissions, making it an eco-friendly choice for consumers looking to maintain their lawns without compromising on their commitment to the environment.

In conclusion, the National Mower 99500500-8400 stands out as a reliable, high-performance lawn mower featuring robust power, safety, and user-friendly characteristics ideal for any homeowner or light commercial user. Its blend of innovative technology and practical design makes it a must-have for efficient lawn care.
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