John Deere

OMGC00551

Issue D1

21-Inch Walk-Behind Rotary Mowers

JS60H

PIN (100001 - )

Introduction

Product Identification

Safety

Operating

Replacement Parts

Service Intervals

Service

Troubleshooting

Using Troubleshooting Chart

Storing Machine

Assembly

Specifications

Warranty

John Deere Quality Statement

Service Record

All Manuals Close Window

Troubleshooting


Using Troubleshooting Chart

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

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

IF

CHECK

Engine Will Not Start

· Prime engine, (Cold - three times, Warm - 1 or 2 times)

· Fuel tank is empty.

· Stale or dirty fuel.

· Disconnected or dirty spark plug.

Engine Starts Hard Or Loses Power

· Dirty fuel tank cap vents.

· Stale or dirty fuel.

· Dirty air cleaner element.

· Disconnected or dirty spark plug.

Engine Runs Rough

· Carburetor needs to be cleaned.

· Disconnected or dirty spark plug.

· Dirty air cleaner element.

· Dirty cooling fins.

Engine Overheats

· Dirty blower housing and cooling fins.

· Improper oil level.

Engine Vibrates Too Much

· Loose blade bolt.

· Blade dull.

· Blade improperly balanced.

· Bent blade or crankshaft.

Mower Mows Unevenly

· Pushing mower too fast.

· Mowing too fast around corners and mowing pattern not changed.

· Insufficient overlapping of cuts when mowing.

· Blade dull or not balanced.

Mulched Grass Appearance Is Poor: Clumps, Excessive Clippings, Rough Cut.

· Grass buildup under deck.

· Travel speed too fast.

· Blade dull or not balanced.

· Cutting height set too low.

· Tall grass conditions may dictate that more overlapping of cuts is required.