Husqvarna MZ5225BF / 968999720, MZ6125C / 968999749 manual Ignition System, Safety System

Page 39

MAINTENANCE

Ignition System

The engine is equipped with an electronic ignition system. Only the spark plugs require 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 a ¼ turn from the seated position.

7.Replace the ignition cable.

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

Safety System

The 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.

Conditions for starting

8011-527-1

 

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.

English-39

Page 38 Page 40
Image 39
Page 38 Page 40
Contents Operators Manual Page Contents Page Introduction Manufacturing Number Good ServiceSymbols and decals Moving sharp blades under cover General Operation SafetyNever take passengers Slope Operation Personal Safety EquipmentChildren Safe Handling of Gasoline General Maintenance Risk of sparking Transport Roll over Protection system Rops Control Locations ControlsSteering Control Levers Blade Switch Parking BrakeThrottle Control Ignition Switch Choke ControlFuses Fuel Tank Lifting Lever for the Mower Deck Fuel Shut Off ValveSeat Adjustment Lever Hour MeterTracking Knob Steering TrainingStarting the Engine Before StartingPress the control for disengaging the mower deck Set the choke control Release ignition to the RUN position Starting the engine with a weak battery To attach jumper cablesTo remove cables, reverse order Running Ensure that no one is near mower when engaging blade switchOperating on hills Mowing Tips Stopping the Engine Pump release valves Maintenance Before After MaintenanceMaintenance Schedule Daily Weekly Maintenance interval Least Hours OnceEnglish-37 Battery To clean battery and terminalsReplacing battery Ignition System Safety SystemEngine Cooling Air Intake Throttle CableChoke Cable Servicing Paper Element Air Filter MaintenanceServicing Precleaner Replacing Air FilterReplacing the Fuel Filter Fuel Pump Air FilterTire Pressures Belts Deck belt installation Deck beltDeck belt removal Replacing pump belt Belt installationPump Belt Cutting BladesBlade replacement Leveling deck Adjusting the Mower DeckAnti-scalp rollers Hardware Cleaning and WashingRemoval and installation of caster wheel Caster WheelsChange transaxles transmission filters General LubricationFront Wheel Bearings LubricationLubricating the Cables Front Wheel MountEngine Oil Engine Oil FilterChanging the Engine Oil Never fill to above the Full mark Engine Oil LevelsPurging Procedures Hydraulic PumpFluid Change Problem Cause TroubleshootingEnglish-56 Winter Storage ServiceStorage StorageSchematics Technical Data MZ5225 MZ6125 MZ5225BF MZ6125BF Engine MZ5225C MZ6125CTransmission Overall Dimensions MZ5225 MZ6125 MZ5225BF MZ6125BF MZ5225C MZ6125CProductivity MZ7227 MZ25 Engine MZ7227 MZ25 Torque Specifications AccessoriesMetric Standard Hardware Standard HardwareCE requirements USA requirementsService Journal Delivery ServiceAction 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 Warranty Statement 539 132401 R01 03/27/08

MZ6125, MZ7227, MZ5225BF, MZ6125BF, MZ5225C, MZ6125C, MZ25, MZ5225, MZ5225 / 968999717, MZ25 / 968999780, MZ5225C / 968999748, MZ6125 / 968999718 specifications

Husqvarna, a name synonymous with outdoor power equipment, has produced a range of high-performance zero-turn mowers that cater to both residential and commercial users. The models MZ7227 (968999719), MZ6125C (968999749), MZ25 (968999780), MZ6125BF (968999721), and MZ6125 (968999718) stand out for their exceptional engineering, innovative technologies, and user-focused features.

The Husqvarna MZ7227 is a robust zero-turn mower powered by a durable engine designed for high-performance mowing. Its 27 horsepower engine provides ample power for tackling tough grass and uneven terrain. The MZ6125C and MZ6125, both equipped with a 25 horsepower engine, offer a balance of efficiency and performance, making them suitable for both residential and light commercial applications. The MZ25, though compact, boasts a solid build and competent power delivery, perfect for those with smaller lawns.

One of the notable features across these models is the cutting deck. They come with a heavy-duty fabricated cutting deck that ensures a professional-looking finish. The innovative air induction technology enhances airflow within the deck, resulting in even grass cutting. Users will appreciate the ability to adjust the cutting height easily, accommodating various lawn types.

Comfort is also a priority in Husqvarna's design. These mowers boast high-back seats with armrests designed for extended use without sacrificing comfort. The ergonomic controls are intuitively placed, allowing for efficient operation. The models are equipped with a foot-operated deck lift, making height adjustments quick and hassle-free.

Another critical feature is the hydrostatic transmission. This technology allows for smooth and straightforward speed adjustments, offering exceptional maneuverability when navigating around obstacles. The zero-turn radius design is excellent for achieving precise turns, making mowing around trees and flower beds effortless.

In terms of durability, Husqvarna has built these mowers with premium materials, ensuring longevity and reliability even under strenuous conditions. The reinforced chassis and heavy-duty wheels provide stability, contributing to the overall handling of the machines.

Lastly, maintenance is straightforward with these mowers. Accessible maintenance points and a belt-driven transmission reduce wear and tear, extending the life of the machine. With their combination of power, performance, and user-oriented features, the Husqvarna MZ series mowers, including the MZ7227, MZ6125C, MZ25, MZ6125BF, and MZ6125, are excellent choices for anyone looking to invest in quality lawn care equipment. They promise to deliver superior cutting performance and a comfortable mowing experience for every user.
Top Page Image Contents