Husqvarna LOYTH20F42T manual Excessive

Page 29

TROUBLESHOOTING CHART:

See appropriate section in manual unless directed to a service center

 

PROBLEM

CAUSE

CORRECTION

 

 

 

 

 

 

 

Loss of power

6.

Faulty spark plug.

6.

Clean and regap or change

 

(continued)

 

 

 

spark plug.

 

 

7.

Dirty fuel filter.

7.

Replace fuel filter.

 

 

8.

Stale or dirty fuel.

8.

Empty fuel tank and refill tank

 

 

 

 

 

with fresh, clean gasoline.

 

 

9.

Water in fuel.

9.

Empty fuel tank and carbure-

 

 

 

 

 

tor, refill tank with fresh gas-

 

 

 

 

 

oline 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 “To Adjust Carburetor”

 

 

 

 

 

in Service and Adjustments

 

 

 

 

 

section.

 

 

15. Engine valves out of

15. Contact a qualified service

 

 

 

adjustment.

 

center.

 

 

 

 

 

 

 

Excessive

1.

Worn, bent or loose blade.

1.

Replace blade. Tighten blade

 

vibration

 

 

 

bolt.

 

 

2.

Bent blade mandrel.

2.

Contact a qualified service

 

 

 

 

 

center.

 

 

3.

Loose/damaged part(s).

3.

Tighten loose part(s).

 

 

 

 

 

Replace damaged parts.

 

 

 

 

 

 

 

Engine dies when

1.

Reverse operation system

1.

Turn ignition key to

 

tractor is shifted

 

(ROS) is not "ON" while

 

ROS "ON" position.

 

into reverse

 

mower or other attachment

 

See Operation section.

 

 

 

is engaged.

 

 

 

 

 

 

 

 

 

Engine continues

1.

Faulty operator-safety

1.

Check wiring, switches and

 

to run when

 

presence control system.

 

connections. If not corrected,

 

operator leaves

 

 

 

contact a qualified service

 

seat with

 

 

 

center.

 

attachment

 

 

 

 

 

clutch engaged

 

 

 

 

 

 

 

 

 

 

 

Poor cut - uneven

1.

Worn, bent or loose blade.

1.

Replace blade. Tighten blade

 

 

 

 

 

bolt.

 

 

2.

Mower deck not level.

2.

Level mower deck.

 

 

3.

Buildup of grass, leaves, and

3.

Clean underside of mower

 

 

 

trash under mower.

 

housing.

 

 

4.

Bent blade mandrel.

4.

Contact a qualified service

 

 

 

 

 

center.

 

 

5.

Clogged mower deck vent

5.

Clean around mandrels to

 

 

 

from build-up of grass, leaves,

 

open vent holes.

 

 

 

and trash around mandrels.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

29

Image 29
Contents LOYTH20F42T General Operation Safety RulesII. Slope Operation ServiceIII. Children IV. TowingGeneral Service Table of Contents To Remove Tractor from Carton ASSEMBLY/PRE-OPERATIONUnassembled Parts Check Tire Pressure ChecklistCheck Deck Levelness Check for Proper Position of ALL BeltsOperation Service Reminder / Hour Meter Attachment Clutch SwitchKnow Your Tractor THROTTLE/CHOKE ControlTo SET Parking Brake HOW to USE Your TractorStopping To USE Throttle Control DTo USE Cruise Control System CharacteristicsTo Move Forward Backward To Operate Mower Using the Reverse Operation SystemReverse Operation System ROS To Operate on HillsBefore Starting the Engine Service REMINDER/HOUR MeterTowing Carts and Other ATTACH- Ments Check Engine OIL LevelPurge Transmission To Start EngineMowing Tips Lubrication Chart MaintenanceTractor Engine Transaxle Pump FluidTransaxle Cooling BeltsCleaning Tractor To Remove Mower Service and AdjustmentsTo Install Mower Page To Level Mower Visual SIDE-TO-SIDE AdjustmentPrecision SIDE-TO-SIDE Adjustment To Replace Motion Drive Belt To Adjust Attachment ClutchTo Replace Mower Drive Belt To Remove Wheel for Repairs Belt InstallationTo Check Brake To Start Engine with a Weak BAT- Tery Replacing BatteryTo Replace Headlight Bulb Interlocks and RelaysTo Remove Hood and Grill AS- Sembly To Adjust Throttle Control CableTo Adjust Carburetor Other BatteryStorage Problem Cause Correction Troubleshooting ChartExcessive Mower blades will Limited Warranty WarrantySuggested Guide for Sighting Slopes for Safe Operation