Snapper 7800785, 7800784 Safety Interlock System Checks, Check Engine, Reverse Lockout Mechanism

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Maintenance

Safety Interlock System Checks

!

WARNING

!

DO NOT operate machine if any safety interlock or safety device is not in place and functioning properly. DO NOT attempt to defeat, modify or remove any safety device.

Check Engine

1.Change the engine oil. Refer to the section entitled “CHANGE ENGINE OIL”. Refer to the engine manual for oil specifications.

2.Change the air filter:

• Pull up and rotate the air cleaner latch (A, Figure 23) to remove the air cleaner cover (B).

Engine must not start if:

IMPORTANT: When the cover is removed, you are viewing

1.

The Clutch/Brake Pedal is not fully depressed OR,

the carburetor side of the air filter, which will appear clean.

2.

The Blade Control is in the “ON” (blades engaged) posi-

Remove the filter and pre-cleaner for inspection.

 

tion.

 

 

 

 

 

Engine should start if:

 

A

1.

The Blade Control is in the “OFF” (blades disengaged)

 

 

 

 

position AND,

 

 

2.

The Clutch/Brake Pedal is fully depressed.

 

C

Engine and blades must stop if:

 

 

 

1.

The operator rises off of seat with Blade Control in “ON”

 

 

 

(blades engaged) position OR,

 

 

2.

The operator rises off of seat with Clutch/Brake Pedal

 

 

 

not fully depressed.

 

 

Reverse Lockout Mechanism

 

 

D

B

Check the function of the Reverse Lockout Mechanism wi h

 

 

 

the engine off.

 

 

 

Figure 23: Opening the engine air cleaner cover

1. Depress and hold the blade pedals.

 

 

 

 

(May vary by model - refer to engine manual)

2. Depress and hold the clutch/brake pedal.

 

 

 

 

 

 

3. With Steps 1 and 2 performed, the shift lever must n

 

 

 

go into reverse.

Not

 

• Remove the air cleaner (C).

 

 

• Remove and clean the engine air pre-cleaner

!

 

 

(located behind the air cleaner). Refer to the engine

WARNING

!

 

manual for cleaning and service instructions.

DO NOT operate machine if Reverse Lockout Mechanism is

 

• Install the pre-cleaner and replace the air cleaner

not functioning properly. Contact your SNAPPER dealer

 

per the engine manual.

immediately for assistance.

 

 

• Reinstall the air cleaner cover. Engage the latch over

 

 

 

 

the cover and rotate and push down to lock.

Lubrication – Grease Fittings

 

 

IMPORTANT: The tabs (D)

the air cleaner cover must be

The following components on the ear Engine

ider are

completely inserted into the corresponding slots in the

equipped with grease fittings and require periodic lubrica-

 

 

 

tion. Apply General Purpose grease (NLGI No.2) with a

engine cover, or the compartment will not be completely

 

Reproduction

grease gun.

 

sealed to prevent debris from entering into the carburetor.

 

 

1.Front Wheel Bearings. Refer to the section entitled

“FRONT WHEEL BEARINGS – LUBRICATION”.

2.Rear Axle Bearing. Refer to the section entitled “REAR

AXLE BEARING – LUBRICATION”.

3.Mower Blade Spindle. Refer to the section entitled

“MOWER BLADE SPINDLE – LUBRICATION”.

4.Shift Lever. Refer to the section entitled “SHIFT LEVER –

LUBRICATION”.

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Contents Not For Manual No Rev. ‘-’Equipment EngineTable of Contents Operator Safety Protection for Children Protection against TipoversPreparation From Previous ColumnProtection against Tipovers Operation Safe Handling of GasolineTowing Maintenance Decal Identification Remove Battery Before StartingHeight of Cut Safety Panel Parking Brake Battery WarningReverse Lockout Features and Controls Park Brake Latch Fuel TankOperation Before Starting To avoid damaging the emissions systemOperation Starting and Operation Engine Electric StartCarefully Make certain the Blade Lever A, is OFF position Start, release the key, make sure the Clutch/Brake Pedal isHousing. Never allow rope to snap back Engine Manual StartReproduction Figu Engagi g the clutch/brake pedal Mower BladeWheel Drive Operation Stopping Engine Wheel Drive, BladeFigu 15 St ppi g the mower blade ProceCutting Height Adjustment Re 18 Cutting height adjustmentStopping Engine, Wheel Drive BladeReverse Lockout Mechanism Reverse Lockout Mechanism OverrideAte blades in reverse. Stop BLADES, Look and see While backingMaintenance Maintenance Chart Tractor and Mower EngineMaintenance Service Engine Air CleanerCheck Mower Blade Change Engine OilBlade Brake Service Brake / Park BrakeCheck the Blade Drive Belt Safety Interlock System Checks Check EngineReverse Lockout Mechanism Lubrication Grease FittingsClean Mower Deck Mower Deck Linkage Lubrication Mower Deck LevelnessFront Wheel Bearing Lubrication Mower Blade Spindle LubricationAdditional engine service Rear Axle Bearing LubricationInspect for lubricant on the internal parts Replace with a new plugRepro Duction Avoi Damaging the emissions system Storage Out of SeasonFuel Filter Engine Adjustments and Repair Blade Brake AdjustmentAutomatic Blade Brake should stop the blades wi hin Re 31 Measuring blade brake clearanceMower Deck Adjustment Side-To-Side Levelness Mower Deck Adjustment Front-to-Rear LevelnessMower Drive Belt Adjustment Es ot have slack adjustmentRemove the mower drive belt cover. Refer to the sec Tion entitled Check Mower Drive BeltService Brake / Park Brake Adjustment Bottom of the housingRear Engine Rider Drive Components Measurement should be 3/4Mower Blade Replacement Blade Wear LimitsMower Drive Belt Replacement Belt ReplacementBelt Removal Ut ng f 30 inch decksBattery Battery RemovalBattery Installation Fig re 49 Battery connectionsCharge the battery. Refer to the section entitled Battery ChargingBattery Storage Troubleshooting Adjust side to side level Move lever to the on positionWarranty Warranty PeriodSlope Guide 2811524BV 2812524BVE 3014524BVE 3317524BVE Common Service PartsPower Rating

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