Husqvarna 968999250, Z4818BIA manual Troubleshooting Points, Problem Cause Correction

Page 48

TROUBLESHOOTING POINTS

PROBLEM

 

CAUSE

 

CORRECTION

 

 

Will not start

1.

Out of fuel.

1.

Fill fuel tank.

 

 

 

2.

Engine not "CHOKED" properly.

2.

See "TO START ENGINE" in Operation section.

 

 

 

3.

Engine flooded.

3.

Wait several minutes before attempting to start.

 

 

 

4.

Bad spark plug.

4.

Replace spark plug.

 

 

 

5.

Dirty air filter.

5.

Clean/replace air filter.

 

 

 

6.

Dirty fuel filter.

6.

Replace fuel filter.

 

 

 

7.

Water in fuel.

7.

Drain fuel tank and carburetor, refill tank with fresh

 

 

 

 

 

 

gasoline and replace fuel filter.

 

 

 

8.

Loose or damaged wiring.

8.

Check all wiring.

 

 

 

9.

Carburetor out of adjustment.

9.

See Engine Manual.

 

 

 

10.

Engine valves out of adjustment.

10.

Contact an authorized service center/department.

 

 

 

11.

Extreme cold conditions.

11.

See "To start engine" in operation section.

 

 

 

 

 

 

 

 

Hard to start

1.

Dirty air filter.

1.

Clean/replace air filter.

 

 

 

2.

Bad spark plug.

2.

Replace spark plug.

 

 

 

3.

Weak or dead battery.

3.

Recharge or replace battery.

 

 

 

4.

Dirty fuel filter.

4.

Replace fuel filter.

 

 

 

5.

Stale or dirty fuel.

5.

Drain fuel tank and refill with fresh gasoline.

 

 

 

6.

Loose or damaged wiring.

6.

Check all wiring.

 

 

 

7.

Carburetor out of adjustment.

7.

See Engine Manual.

 

 

 

8.

Engine valves out of adjustment.

8.

Contact an authorized service center/department.

 

 

 

 

 

 

 

 

Engine will not

1.

Brake pedal not depressed.

1.

Depress brake pedal.

 

2.

Disengage attachment clutch.

 

turn over

2.

Attachment clutch is engaged.

 

3.

Recharge or replace battery.

 

 

 

3.

Weak or dead battery.

 

 

 

4.

Replace fuse.

 

 

 

4.

Blown fuse.

 

 

 

5.

Clean battery terminals.

 

 

 

5.

Corroded battery terminals.

 

 

 

6.

Check all wiring.

 

 

 

6.

Loose or damaged wiring.

 

 

 

7.

Check/replace ignition switch.

 

 

 

7.

Faulty ignition switch.

 

 

 

8.

Check/replace solenoid or starter.

 

 

 

8.

Faulty solenoid or starter.

 

 

 

9.

Contact an authorized service center/department.

 

 

 

9.

Faulty operator presence switch(es).

 

 

 

 

 

 

 

 

 

 

 

 

Engine clicks but

1.

Weak or dead battery.

1.

Recharge or replace battery.

 

will not start

2.

Corroded battery terminals.

2.

Clean battery terminals.

 

 

 

3.

Loose or damaged wiring.

3.

Check all wiring.

 

 

 

4.

Faulty solenoid or starter.

4.

Check/replace solenoid or starter.

 

 

 

 

 

 

 

Loss of power

1.

Cutting too much grass/too fast.

1.

Set in "Higher Cut" position/reduce speed.

 

 

 

2.

Throttle in "CHOKE" position.

2.

Adjust throttle control.

 

 

 

3.

Buildup of grass, leaves and trash under deck.

3.

Clean underside of mower housing.

 

 

 

4.

Dirty air filter.

4.

Clean/replace air filter.

 

 

 

5.

Low oil level/dirty oil.

5.

Check oil level/change oil.

 

 

 

6.

Faulty spark plug.

6.

Clean and re-gap or change spark plug.

 

 

 

7.

Dirty fuel filter.

7.

Replace fuel filter.

 

 

 

8.

Stale or dirty fuel.

8.

Drain fuel tank and refill with fresh gasoline.

 

 

 

9.

Water in fuel.

9.

Drain fuel tank and carburetor, refill tank with

 

 

 

 

 

 

fresh gasoline and replace fuel filter.

 

 

 

10.

Spark plug wire loose.

10.

Connect and tighten spark plug wire.

 

 

 

11.

Dirty engine air screen/fins.

11.

Clean engine air screen/fins.

 

 

 

12.

Dirty/clogged muffler.

12.

Clean/replace muffler.

 

 

 

13.

Loose or damaged wiring.

13.

Check all wiring.

 

 

 

14.

Carburetor out of adjustment.

14.

See Engine Manual.

 

 

 

15.

Engine valves out of adjustment.

15.

Contact an authorized service center/department.

 

 

 

 

 

 

 

 

Excessive vibration

1.

Worn, bent or loose blade.

1.

Replace blade. Tighten blade bolt.

 

 

 

2.

Bent blade mandrel.

2.

Replace blade mandrel.

 

 

 

3.

Loose/damaged part(s).

3.

Tighten loose part(s). Replace damaged parts.

 

 

 

 

 

 

 

 

48

Image 48
Contents Operators Manual Models 968999250 / Z4818BIAGood Service Contents Symbols and Decals Safety Instructions Safety InstructionsGeneral Use Personal protective equipment Driving on Slopes Do as followsChildren 8011-563 Transport Machine. Activate the parking brake, turn offSpecifications Customer ResponsibilitiesAssembly Tools Required For AssemblyTo Remove the Mower From Crate Unpack CrateBefore Removing Mower from the Skid Attach Seat See FigAttach Control Levers See Fig Assembly Checklist Check the Tire PressureOperation ControlsIZT Integraded Zeroturn TransaxleBYPASS Linkages HOW to USE Your Mower To SET Parking Brake See FigDeck Blades EngineTo USE Throttle Control See Fig To USE Choke Control See FigTo Move Forward and Backward See Fig CZ-7 To Adjust the Deck Cutting Height See Fig To Adjust ANTI-SCALP Rollers See FigureTo Operate Mower To Operate on HillsTo Transport See Fig Before Starting the Engine Check Engine OIL LevelADD Gasoline To Start Engine See Fig Mowing Tips Maintenance Schedule General Recommendations Before Each USELubrication Chart Tires Operator Presence SystemBlade Care Blade Removal See FigTo Sharpen Blade See Fig Battery BeltsEngine LubricationClean AIR Screen Clean AIR INTAKE/COOLING AreasAIR Filter Engine OIL FilterCleaning IN-LINE Fuel Filter See FigsService and Adjustment MowerTo Level Deck FRONT-TO-BACKADJUSTMENTSee Fig To Replace Deck Belt To Adjust the Seat See Fig To Replace IZT Integraded Zeroturn Transaxle Belt See FigTo Adjust Control Levers See Fig To Remove Wheels for RepairTo Start AN Engine with a Weak Battery To Attach Jumper CablesReplacing Battery See Fig To Adjust Park Brake Tracking AdjustmentBattery StorageFuel System Engine OILOther CylindersTroubleshooting Points Problem Cause CorrectionProblemcausecorrection Wiring Schematic

968999250, Z4818BIA specifications

The Husqvarna Z4818BIA, model number 968999250, is an advanced zero-turn lawn mower designed for both professional landscapers and enthusiastic homeowners looking for efficiency and control in their lawn maintenance tasks. This model is part of Husqvarna’s renowned line of mowers, known for their reliability, performance, and innovative features.

One of the most notable features of the Z4818BIA is its robust engine. Powered by a commercial-grade Kohler engine, this mower delivers impressive horsepower, enabling it to handle tough mowing conditions with ease. The engine’s reliability ensures that users can depend on consistent performance even during prolonged use.

Equipped with an 18-inch cutting deck, the Z4818BIA provides unmatched maneuverability, allowing users to navigate tight corners and obstacles without sacrificing cut quality. The deck features a three-blade system that produces a clean, even cut, enhancing the overall appearance of the lawn and promoting healthy grass growth.

The Z4818BIA incorporates Husqvarna's patented mowing technology, which optimizes the airflow underneath the deck for superior grass clipping distribution. This feature contributes to a better mulching process and minimizes windrows, ensuring a polished finish with every pass.

The mower's zero-turn capability is another highlight, offering a turning radius of essentially zero degrees. This allows the operator to make sharp turns and efficiently mow around flower beds, trees, and other landscaping features, significantly reducing the time spent mowing.

Comfort is paramount in the design of the Z4818BIA, featuring an ergonomic seat with adjustable armrests to reduce operator fatigue during prolonged use. The user-friendly control panel is intuitively designed, allowing for easy access to all essential functions and adjustable settings.

Safety features also play a significant role in the Z4818BIA's design. The mower includes an automatic blade brake, which stops the blades when the operator lifts off the seat, ensuring maximum safety during operation. Additionally, a reinforced frame enhances durability, allowing it to withstand the rigors of frequent use.

Moreover, the Husqvarna Z4818BIA showcases a strong focus on technology with its easy-start ignition system and maintenance reminders, making upkeep straightforward and hassle-free.

In conclusion, the Husqvarna Z4818BIA, model 968999250, stands out as a versatile, powerful, and user-friendly mower that combines cutting-edge technology with comfort and safety features, making it an excellent choice for those seeking a high-quality zero-turn mower. Its performance, durability, and innovative characteristics ensure that it meets the demanding needs of any lawn care professional or homeowner.