Snapper LT160H42GBV, LT160H42GBV2, LT180H48GBV2, WLT160H42GBV, WLT180H48GBV2

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TROUBLESHOOTING GUIDE

PROBLEM

 

PROBABLE CAUSE

 

CORRECTIVE ACTION

 

 

 

 

Starter Will Not

1. Battery dead.

1.

Service battery.

Crank Engine

2. Blown fuse.

2.

Replace fuse.

 

3.

Electrical connections loose or corroded.

3.

Clean and check connections for good contact.

 

4.

Defective ignition switch.

4.

Contact authorized SNAPPER dealer.

 

 

 

 

 

 

5.

Starter Spins without engaging.

5.

Release Start key and repeat attempt. If starter

 

 

 

 

continues to spin contact Engine Dealer.

Engine Will Not

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

1. Move blade engagement switch to “OFF”.

Start

2. Park brake not set.

2.

Set park brake.

 

3.

Fuel tank empty.

3.

Fill fuel tank with fresh fuel.

 

4.

Engine needs choking.

4.

Move engine speed control to “CHOKE”.

 

5.

Spark plug wire disconnected.

5.

Place spark plug wire onto spark plug.

 

6.

Battery weak or dead.

6.

Service battery.

 

7.

Faulty interlock switch.

7.

Contact authorized SNAPPER dealer.

Engine Stalls After

1. Operator not in seat.

1.

Sit in operator’s seat.

Running

2. Engine speed control in the “CHOKE” position.

2. Moveengine speed control to “FAST”.

 

3.

Fuel tank empty.

3.

Fill with fuel to proper level.

 

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

4.

Clean free of all debris.

 

5.

Spark plug defective or gap set improperly.

5.

Service spark plug.

 

6.

Fuel filter stopped up.

6.

Replace fuel filter.

 

7.

Water, debris or stale fuel in fuel system.

7.

Drain and clean fuel system.

Engine Loses

1. Excessive load on engine.

1.

Lessen load by slowing ground speed.

Power

2. Engine air pre-cleaner or air cleaner dirty.

2.

Clean or replace filters.

 

3.

Engine oil level low.

3.

Fill with engine oil to proper level.

 

4.

Engine cooling fins and air screens

4.

Clean free of all debris.

 

excessively dirty.

 

 

 

5.

Spark plug faulty.

5.

Service spark plug.

 

6.

Water, debris or stale fuel in fuel system.

6.

Drain and clean fuel system.

Engine Backfires

1. Engine speed control set too “FAST”.

1. Set engine speed control to “SLOW” and allow

When Turned To

 

 

engine to idle. Then, turn key to “OFF”.

“STOP”

 

 

 

 

Excessive

1. Damaged or bent mower blades.

1.

Service mower blade(s).

Vibration

2. Loose blade components.

2.

Service and tighten loose parts.

 

3.

Loose or missing air lift (if equipped).

3.

Replace air lifts. Tighten to proper torque.

(Continued on Next Page)

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Contents 160 Model Number ExplanationImportant Safety Instructions Operation Table of Contents Components Controls FamiliarizationOPERATOR’S Seat Adjustment Front to Rear Adjustment PRE-START ChecklistStarting & Operation Starting Engine Stopping ENGINE, BLADE, Wheel Drive 2.4.1. Stopping Engine Starting & OperationStarting Wheel Drive Starting Mower BladeReleasing Park Brake Setting Park BrakeCutting Height Adjustment Stopping Stopping Mower BladesRolling Tractor with Engine OFF 2.6.1. Rolling Hydro Models Reverse Lockout Mechanism Override Reverse Lockout MechanismCheck Blade Brake Service After First 5 HoursIntroduction Change Engine OILTwin Cylinder Engine Type Mower Components Service Every 25 Operating Hours Check EngineCheck Deck Drive Belt Single Cylinder Engine TypeSteering Drag Link Tractor Lubrication From Previous Clutch/Brake PivotSteering Sector Gear Steering ShaftSpark Plug Hydrostatic Transmission OIL Annually END of Each SeasonEngine Fuel FilterMower Deck Adjustment Levelness 1. SIDE-To-SIDE 42 Decks Engine Adjustments & RepairBlade Brake Adjustment Blade Belt AdjustmentClevis TOP View of Deck Mower Deck Adjustment Levelness SIDE-To-SIDE 48 DecksFront To Rear Mower Deck Adjustment LevelnessShifter Adjustment Tractor Drive Components Brake AdjustmentSteering Adjustment Mower Blade Service Standard Blade Wear Limits Traction Drive Belt AdjustmentNinja Blade Sharpening Ninja Blade Wear LimitsStandard Blade Sharpening Mower Blade Replacement Deck Shown Traction Drive Belt ReplacementMower Deck Removal View from Underneath Tractor Traction drive belt replacementBell Crank Adjustment & Repair Tension Idler Spring Remove Spring from TOP View Mower Deck Battery Storage Battery Battery RemovalBattery Installation Battery ServiceNEW Battery Preparation Battery TestingRemove NUT Remove Belt from Spindle Remove Blade Bolt LT160H42GBV2 AccessoriesAvailable LT160H42GBV LT180H48GBV2Electrical System Problem Probable Cause Corrective Action Troubleshooting GuideTroubleshooting Guide LT160H42FBV NinjaDisclaimer of Warranty Year Limited WarrantyPrimary Maintenance Primary Maintenance Primary Maintenance Primary Maintenance Service Notes Lawn Tractor Hydrostatic Drive Electric Clutch Series G