HTC Z4824BF, Z5426BF, Z4220BF, Z4619BF, Z4219BF manual Ignition System, Safety System

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maintenance

Ignition System

The engine is equipped with an electronic ignition system. Only the spark plug requires maintenance.

For recommended spark plugs, see Technical Data.

1.Remove the ignition cable boot and clean around the spark plug.

2.Remove the spark plug with a spark plug socket wrench.

3.Check the spark plug. Replace the spark plug if fouled, the electrodes are burned and if the insulation is cracked or damaged. Clean the spark plug with a steel brush if it is to be reused.

4.Measure the electrode gap with a gapping tool. The gap should be .030" (0.75 mm). Adjust as necessary by bending the side electrode.

5.Reinsert the spark plug, turning by hand to avoid damaging the threads.

6.After the spark plug is seated, tighten it using a spark plug wrench so that the washer is compressed. A used spark plug should be turned 1/8 of a turn from the seated position. A new spark plug should be turned ¼ a turn from the seated position.

7.Replace the ignition cable.

Safety System

This machine is equipped with a safety system that prevents starting or driving under the following conditions.

The engine can only be started when:

1.The mower deck is disengaged.

2.The steering controls are in the outer, locked neutral position.

3.The driver is sitting in the driver’s seat.

4.The parking brake is on.

Make daily inspections to ensure that the safety system works by attempting to start the engine when one of the conditions is not met. Change the conditions and try again.

If the machine starts when one of these conditions is not met, turn the machine off and repair the safety system before using the machine again.

Make sure the engine stops when the park brake is not engaged and the operator leaves the seated position.

Check that the engine stops if the mower blades are engaged and the driver temporarily moves off the drivers seat.

IMPORTANT INFORMATION

Fitting the wrong spark plug type can damage the engine.

Inadequately tightened spark plugs can cause overheating and damage the engine. Tightening the spark plugs too hard can damage the threads in the cylinder head.

8011-054

Measure the electrode gap

8011-484

Start conditions

IMPORTANT INFORMATION

In order to be able to drive, the driver must sit in the seat and release the parking brake before the steering controls can be moved into the neutral position, otherwise the engine will stop.

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Contents Operators Manual Page Contents English-4 Introduction Manufacturing Number Good ServiceSymbols and decals Remove key before Safety Instructions SafetyGeneral Operation Never take passengers Slope Operation Personal Safety EquipmentChildren Safe Handling of Gasoline General Maintenance Risk of sparking Customer Responsibilities TransportControls Tracking Steering Control LeversFuses Seat Adjustment KnobsBypass Linkages Refueling Ignition Switch Blade switchChoke Control Hour Meter Throttle ControlParking Brake Lifting Lever for the Mower Deck AccessoriesTraining OperationSteering Starting the Engine Before StartingDepress the control for disengaging the mower deck Full Throttle When Mowing no choke Jumper Cables Weak BatteryTo attach jumper cables To remove cables, reverse orderRunning Mower deck’s gauge wheels should be evenly adjustedOperating on Hills Mowing Tips Stopping the Engine Manual Transport OperationDaily Weekly Maintenance interval Least Hours Once Maintenance ScheduleMaintenance Before After 25 50 100 = Described in this manual = Not described in this manual To clean battery and terminals BatteryReplacing battery Ignition System Safety SystemThrottle Cable Engine Cooling Air IntakeKohler Engine Replacing the Air FilterBriggs & Stratton Engine Align the tabs Tire Pressures Fuel FilterBelts Deck belt installationDeck belt To replace deck beltEZT belt Belt installationTo replace EZT E-Series Zero Turn Transaxle belt EZT belt removalChecking the Blades Blade replacementSide-to-side adjustment Adjusting the Mower DeckLeveling Front-to-back adjustment Gauge Wheels Removal and Reinstallation CleaningCaster Wheels HardwareLubrication Schedule LubricationCaster wheels Lubricating With The ScheduleEngine Oil Changing the Oil Filter Oil LevelTransmission Problem Cause Troubleshooting guideTroubleshooting guide Storage ServiceWinter Storage For units produced after to Serial Number Wiring DiagramsFor units produced before to Serial Number Z4219 Z4220 Engine Technical DataZ4219 Z4220 Overall DimensionsProductivity Z4619 Z4824 Engine Z4619 Z4824 SF, SG, SH, SJ Z5426Productivity Acres /h 11290 m2/h Torque Specifications USA requirements Conformity certificatesDelivery Service Service JournalAction Date, mtr reading, stamp, sign After the First 5-8 Hours Hour Service English-69 English-70 English-71 At Least Once Each Year English-73 English-74 Page 539 130936R1 12/13/07

Z4219BF, Z4619BF, Z4824BF, Z4219, Z4220BF specifications

The HTC Z4824, Z5426, Z4619, Z4220, and Z5426BF are a series of smartphones that represent HTC's commitment to innovation and user experience. Each model in this lineup offers distinct features and technologies that cater to a variety of users, whether they prioritize photography, gaming, or day-to-day productivity.

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The HTC Z4220 is a mid-range device that combines affordability with functionality. It incorporates a user-friendly interface, making it accessible for tech novices and enthusiasts alike. Key features include a sleek design, adequate processing power for multitasking, and a battery that supports all-day use. The Z4220 also embraces modern connectivity solutions, making it a great option for users who rely on their smartphones for both work and play.

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In summary, HTC's Z4824, Z5426, Z4619, Z4220, and Z5426BF models provide a diverse range of features aimed at meeting the needs of different user groups, showcasing the brand's versatility and dedication to quality in the competitive smartphone market.
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