Husqvarna YTH2648TDRF Troubleshooting, Problem, Cause, Correction, Engine continues to

Page 28
Engine continues to

TROUBLESHOOTING

PROBLEM

CAUSE

CORRECTION

 

Engine continues to

1.

Faulty operator-safety presence control

1.

Check wiring, switches and connections. If not

 

run when operator

 

system.

 

corrected, contact an authorized service center/

 

leaves seat with

 

 

 

department.

 

attachment clutch

 

 

 

CAUTION: DO NOT operate machine until

 

engaged

 

 

 

 

 

 

 

 

problem is corrected.

 

 

 

 

 

 

 

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, trash under mower.

3.

Clean underside of mower housing.

 

 

4.

Bent blade mandrel.

4.

Replace blade mandrel.

 

 

5.

Clogged mower deck vent holes from

5.

Clean around mandrels to open vent holes.

 

 

 

buildup of grass, leaves, and trash around

 

 

 

 

 

mandrels.

 

 

 

Mower blades will

1.

Obstruction in clutch mechanism.

1.

Remove obstruction.

 

not rotate

2.

Worn/damaged mower drive belt.

2.

Replace mower drive belt.

 

 

3.

Frozen idler pulley.

3.

Replace idler pulley.

 

 

4.

Frozen blade mandrel.

4.

Replace blade mandrel.

 

 

 

 

 

 

 

Poor grass

1.

Engine speed too slow.

1.

Place throttle control in “FAST” position.

 

discharge

2.

Travel speed too fast.

2.

Shift to slower speed.

 

 

3.

Wet grass.

3.

Allow grass to dry before mowing.

 

 

4.

Mower deck not level.

4.

Level mower deck.

 

 

5.

Low/uneven tire air pressure.

5.

Check tires for proper air pressure.

 

 

6.

Worn, bent or loose blade.

6.

Replace blade. Tighten blade bolt.

 

 

7.

Buildup of grass, leaves, trash under mower.

7.

Clean underside of mower housing.

 

 

8.

Mower drive belt worn.

8.

Replace mower drive belt.

 

 

9.

Blades improperly installed.

9.

Reinstall blades sharp edge down.

 

 

10.

Improper blades used.

10.

Replace with blades listed in parts manual.

 

 

11.

Clogged mower deck vent holes from buildup

11.

Clean around mandrels to open vent holes.

 

 

 

of grass, leaves, trash around mandrels.

 

 

 

Headlight(s) not

1.

Switch is “OFF”.

1.

Turn switch “ON”.

 

working

2.

Bulb(s) or lamp(s) burned out.

2.

Replace bulb(s) or lamp(s).

 

(if so equipped)

3.

Faulty light switch.

3.

Check/replace light switch.

 

 

4.

Loose or damaged wiring.

4.

Check wiring and connections.

 

 

5.

Blown fuse.

5.

Replace fuse.

 

 

 

 

 

 

 

Battery will not

1.

Bad battery cell(s).

1.

Replace battery.

 

charge

2.

Poor cable connections.

2.

Check/clean all connections.

 

 

3.

Faulty regulator (if so equipped).

3.

Replace regulator.

 

 

4.

Faulty alternator.

4.

Replace alternator.

 

 

 

 

 

 

 

Loss of drive

1.

Freewheel control in “disengaged” position.

1.

Place freewheel control in “engaged” position.

 

 

2.

Debris on steering plate (if equipped).

2.

See "CLEANING" in the Maintenance section.

 

 

3.

Motion drive belt worn, damaged, or broken.

3.

Replace motion drive belt.

 

 

4.

Air trapped in transmission during

4.

Purge transmission.

 

 

 

shipment or servicing.

 

 

 

 

5.

Axle key missing.

5.

Install axle key at rear wheel. See "TO REMOVE

 

 

 

 

 

WHEEL" in the Service and Adjustments section.

 

 

 

 

 

 

 

Engine "backfires”

1.

Engine throttle control not set between

1.

Move throttle control between half and full speed

 

when turning

 

half and full speed (fast) position before

 

(fast) position before stopping engine.

 

engine “OFF”

 

stopping engine.

 

 

 

 

 

 

 

 

 

Engine dies when

1.

Reverse operation system (ROS) is not "ON"

1.

Turn ignition key to ROS "ON" position. See

 

tractor is shifted

 

while mower or other attachment is engaged.

 

Operation section.

 

into reverse

 

 

 

 

 

 

 

 

 

 

 

28

Image 28
Contents YTH2648TDRF Owners Manual532 44 40-19 Rev 07002SAFETY RULES Safe Operation Practices for Ride-On MowersGENERAL SERVICE III. CHILDRENSAFE HANDLING OF GASOLINE TABLE OF CONTENTS PRODUCT SPECIFICATIONSCUSTOMER RESPONSIBILITIES SERVICE AND ADJUSTMENTSASSEMBLY TOOLS REQUIRED FOR ASSEMBLYTO CHECK BATTERY See Fig ADJUST SEAT See FigCHECK TIRE PRESSURE CHECK DECK LEVELNESSCHECK FOR PROPER POSITION OF ALL BELTS CHECK BRAKE SYSTEMOPERATION KNOW YOUR TRACTOR HOW TO USE YOUR TRACTOR TO SET PARKING BRAKESee FigSTOPPING See Fig TO USE THROTTLE CONTROL D See Fig.6TO ADJUST MOWER CUTTING HEIGHT See Fig TO ADJUST GAUGE WHEELS See FigTO MOVE FORWARD AND BACKWARD See Fig K J LSERVICE REMINDER/HOUR METER TO STOP MOWER BLADESREVERSE OPERATION SYSTEM ROS TO OPERATE ON HILLSBATTERY INDICATOR/CHARGING PLUG See Fig BEFORE STARTING THE ENGINECHECK ENGINE OIL LEVEL ADD GASOLINETO START ENGINE See Fig PURGE TRANSMISSIONMOWING TIPS MAINTENANCE MAINTENANCEGENERAL RECOMMENDATIONS SCHEDULEBATTERY TRACTORBLADE CARE BLADE REMOVAL See FigTRANSAXLE MAINTENANCE ENGINEV-BELTS TRANSAXLE PUMP FLUIDCLEANING CLEAN AIR SCREENAIR FILTER ENGINE COOLING SYSTEMDECK WASHOUT PORT See Fig PluganyholesinmowerwithboltsandlocknutsSERVICE AND ADJUSTMENTS TO INSTALL MOWER See FigTO REMOVE MOWER See Fig A C D C DSERVICE AND ADJUSTMENTS TO LEVEL MOWER TO REPLACE MOWER BLADE DRIVE BELT TO CHECK BRAKEIDLER ARM BELT ROUTING ENGINE BLADE BELTTO START ENGINE WITH A WEAK BATTERY See Fig TO REPLACE MOTION DRIVE BELT See FigFRONT WHEEL TOE-IN/CAMBER TO REMOVE WHEEL FOR REPAIRS See FigREPLACING BATTERY See Fig TO REMOVE HOOD AND GRILL ASSEMBLY See FigREMOVAL/REPLACEMENT TO ADJUST THROTTLE CONTROL CABLESTORAGE OTHERFUEL SYSTEM ENGINE OILTROUBLESHOOTING PROBLEMCAUSE CORRECTIONEngine continues to SERVICE NOTES TRACTOR - MODEL NO. YTH2648TDRF 96041026400, PRODUCT NO. 960 DECALSWHEELS AND TIRES KEY PARTSCHEMATIC TRACTOR - MODEL NO. YTH2648TDRF 96041026400, PRODUCT NO. 960 41PTO SWITCH IGNITION SWITCHTRACTOR - MODEL NO. YTH2648TDRF 96041026400, PRODUCT NO. 960 41 ELECTRICALWith Service Minder Option With Charge Indicator OptionPART CHASSIS chassis-texGT HUSQ II94r1TRACTOR - MODEL NO. YTH2648TDRF 96041026400, PRODUCT NO. 960 41 DRIVE drive-texK46pedal71r3532 13 Spacer SplitSPARK ARRESTER KIT ENGINEEngine Power Rating Information STEERING ASSEMBLY steering-texTTR7Axle Asm., Front 532 44 SEAT ASSEMBLYSeat MOWER LIFT              MOWER DECK 48Felec-Tex5TRACTOR - MODEL NO. YTH2648TDRF 96041026400, PRODUCT NO. 960 41 MOWER DECKPART DESCRIPTIONSERVICE NOTES ONLY RIDE UP AND DOWN HILL NOT ACROSS HILL 15 DEGREES MAX SUGGESTED GUIDE FOR SIGHTING SLOPES FOR SAFE OPERATION04.02.13 JM Printed in the U.S.A