Snapper 7800785, 7800784, 7800786, 7800787 Engine Adjustments and Repair, Blade Brake Adjustment

Page 24

Maintenance

!

WARNING

!

 

!

WARNING

!

DO NOT attempt any adjustments, maintenance, service or

 

DO NOT operate machine until blade brake is adjusted and

repairs with the engine running. STOP engine. STOP blade.

 

functioning properly. If blade stop time can not be achieved

Engage parking brake. Remove key. Remove spark plug

 

with the adjustment procedure described above, take

 

wire from spark plug and secure away from plug. Engine

 

machine immediately to an authorized Snapper dealer.

 

and components are HOT. Avoid serious burns, allow all

 

 

 

 

 

 

 

 

 

 

parts to cool before working on machine. Fuel Filler Cap

 

 

 

 

 

must be closed securely to prevent fuel spillage.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Engine Adjustments and Repair

 

Refer to the engine manual for those adjustments and/or

A

repairs that can be made by the owner.

 

Mower Deck and Component

 

 

 

 

C

 

Adjustments

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The following mower deck and component adjustments and

 

 

 

 

repairs can be made by the owner. However, if there is

 

 

 

 

difficulty in achieving these adjustments and repairs, it is

 

B

 

recommended that these repairs be made by an authorized

 

 

 

 

dealer.

 

 

 

 

 

 

 

 

Blade Brake Adjustment

 

 

 

 

 

 

 

The automatic Blade Brake should stop the blades wi hin 3

 

 

 

 

seconds any time the blades are disengaged by m

ving the

 

 

 

 

blade lever to the “OFF” position or by releasing the Blade

 

 

 

 

Fig

re 31: Measuring blade brake clearance

 

Pedals. If the blades take longer than 3 seconds to stop,

 

 

 

 

 

perform the following measurement and adjustment.

 

 

 

 

1. With the blade engagement lever disengaged, measu

 

 

 

 

 

 

 

 

the distance between the front of the blade lever (A,

 

 

 

 

Figure 31) and the edge of the latch plate (B). The

 

 

 

 

dimension (C) should be 3” to 3-1/4” cl arance b tween

 

 

 

 

the lever and the edge of the plate. If the dim nsion is

 

 

 

 

incorrect go to step 2.

 

 

 

 

 

 

 

2. Remove the belt cover. Refer to the section entitled

 

 

 

 

“BLADE BELT COVER REMOVAL”.

 

 

 

 

 

 

 

3. If the dimension is greater than 3-1/4”, rotate the brake

 

 

 

+

adjustment nut (A, Figure 32) clockwise to increase

 

 

 

 

 

 

 

 

 

Reproduction

 

brake tension. If the dimension is less than 3”, rotate

 

 

 

 

the nut counter-clockwise to decrease brake tension.

 

 

B

 

4. Reinstall the belt cover and tighten the bolts securely.

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 32: Adjusting blade brake tension

 

!

WARNING

 

!

 

 

 

 

 

 

 

 

Once blade is disengaged it should come to a stop in 3 seconds or less. If the blade continues to rotate after 3 seconds the blade brake must be adjusted. DO NOT continue to operate the machine if the blade brake is not operating properly.

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Image 24
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 Remove Battery Before Starting Height of Cut Safety PanelDecal Identification Battery Warning Reverse LockoutParking Brake 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 StartMower Blade Wheel DriveReproduction Figu Engagi g the clutch/brake pedal 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 OilService Brake / Park Brake Check the Blade Drive BeltBlade Brake 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 plugStorage Out of Season Fuel FilterRepro Duction Avoi Damaging the emissions system 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 connectionsBattery Charging Battery StorageCharge the battery. Refer to the section entitled Troubleshooting Adjust side to side level Move lever to the on positionWarranty Warranty PeriodSlope Guide Common Service Parts Power Rating2811524BV 2812524BVE 3014524BVE 3317524BVE

7800787, 7800786, 7800784, 7800785 specifications

The Snapper 7800 series, which includes models 7800787, 7800784, 7800785, and 7800786, represents a remarkable advancement in lawn care technology and design. These mowers are engineered for efficiency, durability, and ease of use, making them popular among both residential and commercial users.

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In terms of maintenance, the Snapper 7800 series is designed to be user-friendly. The easy-access design makes routine maintenance tasks, such as oil changes and air filter replacements, straightforward. This emphasis on straightforward upkeep helps ensure that the mower can operate at peak efficiency throughout its lifespan.

In conclusion, Snapper's 7800787, 7800784, 7800785, and 7800786 models collectively embody the future of lawn care technology. Their powerful engines, durable construction, ergonomic designs, and user-friendly features make them exceptional choices for anyone looking to maintain a pristine lawn. These mowers not only offer efficiency but also deliver results that homeowners and professionals alike can take pride in. Whether for residential use or commercial landscaping, the Snapper 7800 series stands out as a top-tier option in the mowing market.