National Mower 99500500-8400 manual Jumper Cables, Belts, Engine Fuel Filter, Electrical System

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Slow charge:

•10 hours @ 5 amps

•3 hours @ 10 amps Fast charge:

•2-1/2 hours @ 20 amps

•1-1/2 hours @ 30 amps

•1 hour @ 45 amps

5.If when charging the battery, violent gassing or spewing of electrolyte occurs, or the battery case feels hot (125°F - 52C), reduce or temporarily halt charging to avoid damaging battery.

6.Always turn charger to “off” before removing a charger lead from the battery.

JUMPER CABLES

The battery on the 8400 is located at the rear of the tractor (see Figure 14).

1.Stop the engine on the vehicle with the good battery.

2.Connect one jumper cable to the positive terminal on the good battery. Connect the other end of the jumper cable to either the positive terminal on the dead battery or the battery side of the solenoid located on the right front of the engine.

3.Connect one jumper cable to negative terminal on dead battery. Connect the other end to ground (frame) of vehicle with the good battery.

BELTS

For efficient performance of your machine, worn or frayed belts must be replaced. Check belt tensions as instructed (see SERVICE AND ADJUSTMENTS on page 16).

ENGINE FUEL FILTER

Before servicing the fuel filter, thoroughly clean outside of filter housing and fuel hoses. Dirt must not be allowed to enter into fuel or fuel system. Refer to manufacturer’s Engine Manual for instructions.

ENGINE

Refer to manufacturer’s Engine Manual for maintenance schedule recommendations. Change oil and oil filter after the first 5 to 8 hours of operation.

ELECTRICAL SYSTEM

Make certain all terminals and connections are kept clean and properly secured.

1.Check switches regularly to be sure they are kept clean and operating correctly.

2.Keep wire harness and all individual wires away from moving parts, hot parts, or sharp edges. This will prevent abrasive wear or potential short circuits.

3.Exercise extreme care when working with electrical system.

HYDRAULIC HOSES

DANGER: To avoid serious bodily injury, always lower mowers to the ground, place all controls in neutral and shut off engine before inspecting hydraulic lines or hoses. Never run hands across tubes, hoses or fittings to check for leaks.

Hydraulic hose and tube lines should be inspected every week to check for cuts, loose connections, kinks, and wear.

Be sure tubes and hoses do not come in contact with other frame parts which could cause abrasive wear. Always replace worn hoses or tubes before operating machine.

1.Assemble nut, sleeves and tube to fitting body with minimum torque (finger tight) until flare contacts seat on fitting body.

2.For tightening reference, mark a line lengthwise on both the nut and adapter fitting with a marker.

3.Using a wrench, rotate the nut to tighten. Turn the nut to the amount shown in the chart below. The line will show which fitting has been tightened and how much.

4.On hoses with “o-ring” fittings, make sure o-rings are clean and hose fittings are properly seated by hand before wrench tightening.

5.Hold the fixed portion of the hose coupling with one wrench; use a second wrench to tighten or loosen the hose nut. This will prevent damage to the fitting seal. When tightening a hose, do not allow it to twist; hold it in a normal, straight position.

Tube O.D. or

Rotate # of Flats

Hose

 

 

 

3/8"

2

 

 

1/2"

2

 

 

5/8"

1-1/2-2

 

 

1"

3/4-1

 

 

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Contents Triplex Reel Mower Table of Contents IntroductionSafety Notations Practices and Laws Safety DecalsRequired Operator Training Safety Rules Page Page Controls and Features OperationChoke Prior to Starting the Unit Operating SuggestionsDriving the Tractor Starting the EngineMowing Operation Hillside Operation MowingVertical Mowing Unit Pushing or Towing InstructionsRear Mower AssemblyTractor SeatSteering Wheel Engine Crankcase Wing MowersWing Mower Lift Hydraulic OILBattery Service and AdjustmentsTraction Pedal Adjustments Lower Countershaft Chain Adjustmentt Upper Countershaft Belt AdjustmentParking Brake Adjustment Ground Speed ControlReel to Bedknife Adjustment Height of CUT AdjustmentReel END Play Adjustment Backlapping Procedure Vertical Mowing Unit Blade ChangingGrinding Procedure Lapping CompoundAssembly and Disassembly MaintenanceGeneral Maintenance Charging a BatteryEngine Fuel Filter Jumper CablesBelts EngineHydraulic OIL Filter Bedknife ReplacementLubrication Symbols Frequency Location Type No. Tires StorageGeneral Instructions Starting the Engine After StorageTractor will not Move TroubleshootingEngine will not Start 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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