MTD 450 warranty Trouble Shooting, Problem Cause Remedy

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10

Trouble

Shooting

For repairs beyond the minor adjust- ments listed here, contact an authorized service dealer.

NOTE: Specifications are subject to change without notification or obligation.

Images my not reflect your exact model and are for reference purposes only.

Problem

 

Cause

 

Remedy

 

 

 

 

 

Engine fails to start

1.

Spark plug wire disconnected.

1.

Connect wire to spark plug.

 

2.

Fuel tank empty or stale fuel.

2.

Fill tank with clean, fresh gasoline.

 

3.

Throttle control lever not in correct

3.

Move throttle lever to start position.

 

 

starting position (if equipped)

4.

Move lever to ON position.

 

 

 

 

4.

Choke not in ON position.

5.

Clean fuel line.

 

 

 

 

5.

Blocked fuel line.

6.

Clean, adjust gap, or replace.

 

 

 

 

6.

Faulty spark plug.

7.

Wait a few minutes to restart, but do

 

 

 

 

7.

Engine flooding.

 

not prime (if equipped)

 

 

 

 

 

Engine runs erratic

1.

Spark plug wire loose.

1.

Connect and tighten spark

 

2.

Unit running on CHOKE.

 

plug wire.

 

 

 

 

3.

Blocked fuel line or stale fuel.

2.

Move choke lever to OFF.

 

 

 

 

4.

Vent plugged.

3.

Clean fuel line; fill tank with clean,

 

 

fresh gasoline.

 

5.

Water or dirt in fuel system.

 

 

4.

Clear vent.

 

6.

Dirty air cleaner.

 

5.

Drain fuel tank. Refill with

 

7.

Carburetor out of adjustment.

 

 

fresh fuel.

 

 

 

 

 

 

 

6.

Clean following engine manual.

 

 

 

7.

Refer to engine manual.

 

 

 

 

 

Engine overheats

1.

Engine oil level low.

1.

Fill crankcase with proper oil.

 

2.

Dirty air filter.

2.

Clean air cleaner.

 

3.

Air flow restricted.

3.

Remove blower housing and clean.

 

4.

Carburetor not adjusted properly.

4.

Refer to engine manual.

 

 

 

 

 

Tines do no engage

1.

Foreign object lodged in tines.

1.

Stop tiller completely, check and

 

2.

Tine clevis pin(s) missing.

 

discard foreign object.

 

 

 

 

3.

Belt worn and/or stretched.

2.

Replace tine clevis pin(s).

 

 

 

 

4.

Pulley and idler not in correct adjust-

3.

Replace belt.

 

 

 

 

 

ment.

4.

Take unit to authorized service

 

 

 

 

 

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Contents OPERATOR’S Manual MTD LLC, P.O. BOX 361131 CLEVELAND, OhioTable of Contents Safety Labels Your Responsibility Restrict the useSafe Operation Practices TrainingPreparation OperationMaintenance & Storage Your ResponsibilityAssembling Your Tiller Tire Pressure Final Clutch AdjustmentAttaching Control Rod Know Your Tiller Gear Selection HandleNeutral ReverseHandle Adjustment Lock Clutch ControlThrottle Control Primer Button If EquippedSetting The Depth Before StartingMaking Adjustments Making Adjustments Handle AdjustmentBelt Tension Adjustment Engine AdjustmentCleaning Tine Area Belt ReplacementMaintaining Your Tiller EngineOff-Season Storage Off-Season StorageBracket Engine Pulley2953 To order replacement Parts, contact 800 800-7310 or visitPage Part Description 18 Wheel shaft shown for reference only Ref. Part No Trouble Shooting Problem Cause RemedyFor parts and/or Accessories Please call For parts and/or Accessories Please call For parts and/or Accessories Please call MANUFACTURER’S Limited Warranty for