John Deere

OMM136921

Issue H8

724D and 826D Walk-Behind Snowblowers

Serial No. (180001 - )

Introduction

Safety Signs

Controls

Operating

Replacement Parts

Service Machine Safely

Service

Troubleshooting

Using Troubleshooting Chart

Storing Machine

Assembly

Specifications

Warranty

John Deere Quality Statement

Copyrightę Deere & Company

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Troubleshooting


Using Troubleshooting Chart

If you are experiencing a problem that is not listed in this chart, see your John Deere dealer for service.

When you have checked all the possible causes listed and you are still experiencing the problem, see your John Deere dealer.

IF

CHECK

Engine Will Not Start

Fuel tank is empty.

Dirty fuel tank cap vents.

Disconnected or dirty spark plug.

Plugged fuel filter, if equipped.

Stale fuel.

Fuel shut-off valve closed.

Starter faulty.

Engine Starts But Will Not Keep On Running

Faulty wiring.

Faulty spark plug.

Dirty fuel tank cap vents.

Engine Will Not Run With Throttle In The Slow Position

Faulty spark plug.

Dirty fuel tank cap vents.

Stale or dirty fuel.

Engine Misses Or Surges

Loose electrical connections.

Choke knob not in the OFF position.

Faulty spark plug.

Stale fuel.

Dirty shroud and fins.

Engine not warm.

Engine Overheats

Dirty shroud and fins.

Low engine oil.

Operate snowblower at a slower travel speed.

Engine Loses Power

Low engine oil.

Faulty spark plug.

Stale fuel.

Dirty shroud and fins.

Operate snowblower at a slower travel speed.

Engine Knocks

Wrong fuel.

Operate snowblower at a slower travel speed.

Snowblower Vibrates Too Much

Loose hardware/parts.

Damage to snowblower.

Snowblower Will Not Move When You Engage Traction Drive

Faulty traction drive belt.

Faulty drive chain.

Faulty friction wheel.

Friction wheel needs adjustment.

Cable needs adjustment.

Speed Selector Lever Hard To Move Or Will Not Return To Neutral When You Release It From Reverse Position

Lever linkage not lubricated.

Snowblower Will Not Blow Snow

Cable needs adjustment.

Chute is plugged.

Auger drive belt needs adjustment.

Travel speed too fast.

Object lodged in auger.

Broken shear bolt.

Engine not running at fast speed.