Snapper 7800849 manual Maintenance Mower Blade Replacement, Blade Sharpening

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Maintenance

Mower Blade Replacement			A
!	WARNING	!	B

DO NOT attempt any maintenance, adjustments or
service with engine and blade running. STOP engine
and blade. Disconnect spark plug wire and secure
away from spark plug. Engine and components are
HOT. Avoid serious burns, allow sufficient time for all
components to cool. Wear heavy leather gloves when
handling or working around cutting blades. Blades are			C
extremely sharp and can cause severe injury.

Standard Blade Wear Limit

Figure 19: Ninja blade wear limits

1. Inspect the blade (Figure 18) frequently for signs

of excessive wear or damage:

Blade Sharpening

(A) New blade

(B) Wear limit (notch starts)

1. Disconnect the spark plug wire and secure the end

(C) Dangerous condition! Do not use on the

away from the plug.

mower! Replace with a new blade.

2. Tilt the mower up its rear wheels. Do not tilt the

mower with the spark plug or carburetor down.

A

IMPORTANT: Dra n the fuel tank before tipping the

m wer. DO NOT

the machine with the carburetor or

spark plug down. O l from the crankcase will saturate

B

the air filter and

ause the engine to be hard to start or

not start at all. If

ontamination does occur, the air filter

will have to be replaced.

C

3. Remove the blade (B, Figure 20).

Make sure that

blade hub is seated

Figure 18: Standard blade wear limits

between flanges

Ninja Blade Wear Limit

A

C

1. Inspect the blade (Figure 20) frequently for signs

of excessive wear or damage:

Reproduction

(A) New blade

(B) Wear limit (cracks or notches begin to appear

on tip)

B

(C) Dangerous condition! Do not use on the

mower! Replace with a new blade.

	!	WARNING	!	D
				E
	DO NOT use a cutting blade that shows signs of
	excessive wear or damage. Refer to the Section enti-			Figure 20: Removing the mower blade
	tled “MOWER BLADE REPLACEMENT” for proper
	blade inspection and service procedures.

en

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Contents Re production Not For Reproduction Table of Contents Operating Safety Operator SafetyMoving Parts Safe Handling of Gasoline Safe Handling of Gasoline Operation Death Operator Safety Safety and Operation DecalsAmputation and Thrown Object Hazard Explanation of Operation DecalsFor Not Reprodu ction Features and ControlsBefore Starting Operation Re productionStarting the mower Operation Starting the Mower Propelling the MowerHandle Height Adjustment Stopping the Mower Cutting Height AdjustmentMulching Operation Installing the Discharge DeflectorRemoving the Mulching Cover ReproB duction Installing the mulching plugRep roduction Not For Operation Installing the Grass Bag Emptying the Grass BagMaintenance Maintenance ChartEmissions Control Service Air Filter Maintenance Change Engine Oil Change Oil Filter if equippedCheck Safety Interlock System For ReproductionClean Debris Off Mower Storage ProcedureFuel System Check Mower Blade Maintenance ServiceCheck Grease Level in Transmission ReproductionCheck Engine Drive BeltBlade Sharpening Maintenance Mower Blade ReplacementAdjustment Wheel Drive ControlBlade Sharpening Drive Spring Repair/Replacement Maintenance Driven and Drive Disc ServiceDriven Disc Adjustment Cleaning Drive Disc & Driven DiscProper driven disc adjustment Driven Disc ReplacementDriven Disc Replacement Driven Disc Bearing Replacement CReproductionNot For Engine Drive Belt Replacement Stretch Belt ServiceReplacing the Bearing On the Pulley End Hex ShaftAnsmiss Ly-V Belt Replacement Engine Drive Belt Replacement Stretch Type BeltsProblem Probable Cause Corrective Action TroubleshootingLimited Warranty WarrantyReproduction Slope Guide Steel Deck Walk Mowers Commercial Models Series SpecificationsManuel dutilisation Machine Table des matières Sécurité de fonctionnement Sécurité de lopérateurPièces en mouvement Manipulation D’ESSENCE EN Toute Manipulation D’ESSENCE EN Toute Fonctionnement Sécurité Fonctionnement Sécurité de lopérateur Étiquettes de sécurité et deExplication des étiquettes aut collantes d’utilisation Fonctions et commandes Remplissage d’huile et de carburant Avant le démarrage FonctionnementLe moteur tourne rond avant de mettre la tondeuse en Action Coupe Fonctionnement Arrêter la tondeuse Réglage de la hauteur deRéglage de la hauteur de la Poignée’éjection Opération de déchiquetage Installation du déflecteurDépose du couvercle de DéchiquetagePose de la fiche de déchiquetage Fonctionnement Installation de ladaptateur du sac à herbeRetrait de la glissière du sac Contrôle démission Entretien Tableau dentretienEntretien du filtre à air Si le moteur en est équipéVérification du système de Verrouillage de sécuritéTondeuse Nettoyage de débris de laProcédure de remisage Système d’alimentationEntretien Entretien Remplacement de lame de tondeuse Limite dusure de lame standard Aiguisage de lameLimite dusure de lame NinjaReproduction Réglage de la commande d’ Traînement de roueAiguisage de lame suite Nement et du disque entraîné Réparation du disque dentraîAvertissement Entraîné Reproduction ForEntretien de la courroie Not Rep RoductionTransmiss n Remplacement de la courroie en V deProblème Cause Probable Action Corrective DépannageGarantie Limitée GarantieRemarques Guide de conduite Sur les pentesTondeuse Spécifications