Snapper Troubleshooting Your Lawn Mower: Solutions for Common Issues
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TROUBLESHOOTING

PROBLEM

 

PROBABLE CAUSE

Starter Will Not Crank

1. Battery dead.

Engine

2. Blown fuse.

 

3.

Electrical connections loose or corroded.

 

4.

Defective ignition switch.

Engine Will Not Start

1. Blade engagement switch in the “ON” position.

 

2.

Park brake not set or Operator not seated.

 

3.

Motion Controls not in Neutral Lock Position.

 

4.

Fuel tank empty.

 

5.

Engine needs choking.

 

6.

Spark plug wire disconnected.

 

7.

Battery weak or dead.

 

8.

Faulty parking brake, blade or ignition switch.

Engine Stalls After

1. Operator not in seat.

Running

2. Choke control in the “CHOKE” position.

3.Fuel tank empty.

4.Engine air pre-cleaner and or air cleaner dirty.

5.Spark plug defective or gap set improperly.

6.Fuel filter stopped up.

7.Water, debris or stale fuel in fuel system.

Engine Loses Power 1. Excessive load on engine.

 

2.

Engine air pre-cleaner or air cleaner dirty.

 

3.

Engine oil level low.

 

4. Engine cooling fins & air intake screen excessively dirty.

 

5.

Spark plug faulty.

 

6.

Water, debris or stale fuel in fuel system.

Engine Backfires When

1. Throttle control set too “FAST”.

Turned To “STOP”

 

 

Excessive Vibration

1. Damaged or bent mower blades.

 

2.

Loose blade components.

 

3.

Worn or damaged components.

 

4.

Loose or missing air lift (if equipped).

CORRECTIVE ACTION

1.Service battery.

2.Replace fuse.

3.Clean and check connections for good contact.

4.Contact authorized SNAPPER dealer.

1.Move blade engagement switch to “OFF”.

2.Set park brake and Operator in Operator Seat.

3.Place Motion Controls in Neutral Lock Position.

4.Fill fuel tank with fresh fuel.

5.Move choke control to “CHOKE” position.

6.Place spark plug wire onto spark plug.

7.Service battery.

8.Contact authorized SNAPPER dealer.

1.Sit in operator’s seat.

2.Move choke control to “OFF” position.

3.Fill with fuel to proper level.

4.Clean free of all debris.

5.Service spark plug.

6.Replace fuel filter.

7.Drain and clean fuel system.

1.Lessen load.

2.Clean or replace filters.

3.Fill with engine oil to proper level.

4.Clean cooling fins, air intake screen of all debris.

5.Service spark plug.

6.Drain and clean fuel system.

1.Set throttle control to “SLOW” and allow engine to idle. Then, turn key to “OFF”.

1.Service mower blade(s).

2.Service and tighten loose parts.

3.Inspect all belts and pulleys.

4.Replace air lifts. Tighten to proper torque.

(Trouble Shooting Continued on Next Page)

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Contents MID Mount Z-RIDER Zero Turning Hydro Drive Series Important Safety Instructions Snapper From PreviousMaintenance Table of Contents Nomenclature IntroductionSafety Messages and Symbols RUN PRE-START Check List Operating InstructionsStarting Engine Starting & Stopping ENGINE, BLADES, Parking BrakeStarting Mower Blades Stopping EngineStopping Mower Blades Parking BrakeOPERATION- Motion Controls Driving Machine Cutting Height AdjustmentEngine Must not Start if Stopping MachineEngine should Start if Engine Must Begin to Stop ifCheck Mower Blade Service After First 5 HoursAfter Every 25 Operating Hours 4.3.1. Engine Annually END of Each Season Riding Mower LubricationBefore Operating Machine Deck Removal See Figure Neutral Position Adjustments Adjustments & RepairMower Deck & Component Adjustments Neutral Position Adjustments From PreviousMower Deck Adjustment Levelness Side to Side and Front to RearHighest cutting position and recheck side to side Parking Brake AdjustmentTraction Belt Tension Traction Belt ReplacementBelt Removal Tracking Adjustment Mower Drive Belt ReplacementBelt Replacement Blade Sharpening Battery Service 1. Remove battery Battery Battery RemovalBattery Installation Do not Overfill Battery TestingNEW Battery Preparation 1. Remove battery from carton Insert spindle shaft up through the bottom Bearing ReplacementHydraulic SYSTEM, Purging Corrective Action Problem Probable CauseTrouble Shooting on Next Machine Will Not Move MAINTENANCE/REPLACEMENT Parts Service Performed Each100 Number USE HRS SeasonDisclaimer of Warranty Year Limited WarrantyPrimary Maintenance Primary Maintenance Primary Maintenance Primary Maintenance Snapper Product Registration Form Page Page Page MID Mount Z-RIDER Zero Turning Hydro Drive Series

NZM21521KWV, NZM27611KH, NZM25611KWV specifications

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