Snapper 7800764 CRP218520 manual Hex Shaft, Belts, Replacing the Bearing On the Pulley End

Page 19
Maintenance

!

WARNING

!

Belt Service

DO NOT attempt any maintenance, adjustments or service

On self-propelled mowers, the engine belt (A, Figure 33)

transmits power from the engine pulley (B) to the drive disc

with engine and blade running. STOP engine and blade.

 

 

(C). The drive disc powers the poly-v belt, which engages the

Disconnect spark plug wire and secure away from spark

 

 

transmission that powers the rear wheels. Should these belts

plug. Engine and components are HOT. Avoid serious

 

 

become worn, they could cause slippage, which would

burns, allow sufficient time for all components to cool.

 

 

impair mower performance. The condition of the engine belt

 

 

 

Replacing the Bearing On the Pulley End Of the

 

and poly-v belt should be checked after every 25 hours of

 

mower operation.

 

 

Hex Shaft

 

 

Engine Drive Belt Replacement (Stretch Type

To replace the bearing on the pulley end of the hex shaft,

 

proceed as follows:

 

 

Belts)

 

 

1. Hold the hex shaft with an adjustable wrench held next

1. Empty the fuel tank.

 

 

to the pulley.

 

 

2. Note the belt routing (Figure 33). There is no idler

2. Remove the 3/8” hex lock nut (B, Figure 32), located on

pulley on these models to disconnect.

 

the outside of the right wheel bracket.

 

 

 

 

3. Remove the holder (A), O-ring (C) and bearing (D).

 

 

 

 

4. Install the new bearing.

 

 

 

A

 

5. Carefully install the new O-ring over the outside of the

 

 

 

for

 

 

new bearing.

 

 

 

6. Install the bearing holder, and secure with screws.

 

 

7. Install the 3/8” hex lock nut.

 

 

 

 

Not

 

C

 

 

B

 

 

 

 

 

 

 

D

 

 

Figure 33: Engine drive belt routing

 

 

C

 

 

 

 

 

 

 

B

Reproduction

 

 

A

 

 

 

 

 

 

 

Figure 32: Replacing the hex shaft bearing

 

 

 

 

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Contents 7104669 Rev. ‘-’ Not ForNot ReproductionComplete the following information on your Snapper purchase Table of Contents Slope Operation Operator SafetyProtection for Children Preparation From Previous ColumnFrom Previous From Previous Column Maintenance and StorageOperation Orf Not Features and ControlsOperation Before Starting Ground speed control Desired position Operation Propelling the Mower Handle Height AdjustmentStart the mower Lower handleRemoving the Mulching Cover Operation Mulching Recycling OperationOperation Dumping the Grass Bag Installing the Mulching PlugCheck Grease Level in Transmission Maintenance Maintenance IntroductionEngine Check Mower Blade Air Filter Service PeriodicSto age Procedure Check Transmission Poly-V BeltBlade Sharpening MaintenanceMower Blade Replacement Standard Blade Wear LimitCable eye C with the wheel drive control released End view Blade assemblyTo adjust, unhook the upper spring D from the cable Reproduction ForReprod uction Drive Spring Repair/ReplacementCleaning Drive Disc & Driven Disc If the drive disc and driven disc are clean and the mowerUction Driven Disc AdjustmentDriven Disc Ring Replacement ReprodDriven Disc Ring Replacement Driven Disc Bearing ReplacementReproduction For Not Belts Hex ShaftReplacing the Bearing On the Pulley End Drain the fuel tank before tipping the mower. Do not tilt Transmiss on P ly-V Belt ReplacementEngine Drive Belt Replacement Stretch Type Belts Driven Disc Replacement for driven disc removal ProcedureHigh temperatures Service ScheduleChange oil every 25 hours when operating under heavy l ad Troubleshooting Reproduction WarrantyNot For Not For Not For Slope Guide Part Number Product Specifications Common Service Parts

7800764 CRP218520 specifications

The Snapper 7800764 CRP218520 is a top-tier lawn mower renowned for its innovative design and robust performance. This mower is part of Snapper's commitment to delivering high-quality lawn care equipment that meets the needs of both homeowners and professional landscapers.

One of the standout features of the Snapper CRP218520 is its powerful 21-inch steel cutting deck. This sturdy construction ensures durability while efficiently handling various grass types. The cutting deck is designed with a deep dome shape, allowing for superior airflow and enhancing the mower’s mulching capability. With this technology, users can achieve a finely mulched lawn, which not only looks good but also provides essential nutrients back to the soil.

The mower is equipped with a reliable 163cc OHV engine. This engine provides ample power for tackling tough mowing tasks while delivering optimal fuel efficiency. The engine’s overhead valve design contributes to reduced emissions and quieter operation, making it an eco-friendly choice for environmentally-conscious consumers.

Another notable aspect of the Snapper CRP218520 is its user-friendly features. The adjustable handle height offers comfort for users of various heights, ensuring an ergonomic mowing experience. The easy-to-utilize lever allows for quick changes in cutting height, providing versatility to adapt to varying lawn conditions. Whether dealing with tall grass or maintaining a well-manicured lawn, this mower can be adjusted quickly to suit the task at hand.

For convenience, the Snapper 7800764 features a rear bagging design, which facilitates easy grass collection for cleanup or composting. This feature is perfect for homeowners who prefer a neat and tidy yard and want to minimize the effort required for post-mowing maintenance. Additionally, the mower boasts a side-discharge capability, offering even more options for grass management.

In terms of maneuverability, the Snapper CRP218520 is designed with all-terrain wheels that enhance traction and control, making it easier to navigate around obstacles like flower beds or trees. This thoughtful engineering adds to the mower's overall efficiency and makes mowing less of a chore.

With its combination of advanced technologies, robust features, and user-focused design, the Snapper 7800764 CRP218520 is an excellent choice for those seeking a reliable and efficient lawn mower. Whether for residential or professional use, this mower promises impressive performance to keep lawns looking their best.
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