Snapper 7800764 CRP218520 manual Transmiss on P ly-V Belt Replacement

Page 20

Maintenance

!

WARNING

 

!

 

 

 

DO NOT attempt any maintenance, adjustments or service

 

A

 

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

 

B

 

burns, allow sufficient time for all components to cool.

 

 

 

 

 

 

 

C

 

Engine Drive Belt Replacement (Stretch Type Belts

 

 

- Continued)

 

 

 

 

D

 

 

 

 

 

 

 

IMPORTANT: Drain the fuel tank before tipping the mower.

 

 

 

DO NOT tip the machine with the carburetor or spark plug

 

E

 

down. Oil from the crankcase will saturate the air filter and

 

 

 

F

 

cause the engine to be hard to start or not start at all. If

 

 

contamination does occur, the air filter will have to be

 

G

 

replaced.

 

 

 

 

 

 

 

Reproduction

 

3. Remove the driven disc. Refer to the Section entitled

 

Figu e 34: Removi g the drive disc

“Driven Disc Replacement” for driven disc removal

 

procedure.

 

 

 

Transmiss on P ly-V Belt Replacement

4. Drain the fuel tank before tipping the mower. Do not tilt

the mower with the spark plug or carburetor down. Tilt

1. Remove he dr ven disc. Refer to the Section entitled

the mower up on its rear wheels and remove

he blade

 

“Repla ing Driven Disc Rubber Ring”.

and blade hub. Assistance from another pers

n may be

2. Note the routing of the old belt around the three pulleys

necessary to hold the mower in the tilted p siti n.

 

before removing it.

5. Hold the slotted end of the drive disc b lt (B, Figure 34)

3. Place the new Poly-V Belt (A, Figure 35) over the end of

with a screwdriver and remove the nut (G) and internal

 

the hex shaft (B) and onto the drive pulley (C).

tooth lock washer (F).

 

 

4. Work the belt onto the top of the idler pulley (D).

6. Remove the belt cover, located under the deck.

5. Twist the belt sideways and pull it upward between the

7. Lift the drive disc (A) up and remove the worn belt.

 

differential bracket (E) and driven pulley (F) and then

8. Loop one end of the new belt over the engine

ulley and

 

down into the pulley groove. Make sure the Poly-V Belt

insert the other end through the slot in the

ck.

 

is above the belt guide (G).

9. Loop the belt around the pulley on the bottom of the

 

 

drive disc.

E

10. Reinstall the drive disc and retaining hardware.

 

A

IMPORTANT: 1) The square shoulder of the drive disc bolt

C

 

must fit into the square hole of the bushing. 2) The square

 

end of bushing must fit into the bracket slot.

B

 

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

 

12. Reinstall the blade hub and cutter blade. Recommended

D

torque for the blade cap screw is 40 ft. lbs.

G

F

Figure 35: Poly-v belt routing

20

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Image 20
Contents Not For 7104669 Rev. ‘-’Complete the following information on your Snapper purchase ReproductionNot Table of Contents Operator Safety Protection for Children PreparationFrom Previous Column Slope OperationOperation Maintenance and StorageFrom Previous From Previous Column Features and Controls Orf NotOperation Before Starting Operation Propelling the Mower Handle Height Adjustment Start the mowerLower handle Ground speed control Desired positionOperation Mulching Recycling Operation Removing the Mulching CoverOperation Installing the Mulching Plug Dumping the Grass BagMaintenance Maintenance Introduction Check Grease Level in TransmissionService Periodic Sto age ProcedureCheck Transmission Poly-V Belt Engine Check Mower Blade Air FilterMaintenance Mower Blade ReplacementStandard Blade Wear Limit Blade SharpeningEnd view Blade assembly To adjust, unhook the upper spring D from the cableReproduction For Cable eye C with the wheel drive control releasedDrive Spring Repair/Replacement Cleaning Drive Disc & Driven DiscIf the drive disc and driven disc are clean and the mower Reprod uctionDriven Disc Adjustment Driven Disc Ring ReplacementReprod UctionReproduction For Not Driven Disc Bearing ReplacementDriven Disc Ring Replacement Replacing the Bearing On the Pulley End Hex ShaftBelts Transmiss on P ly-V Belt Replacement Engine Drive Belt Replacement Stretch Type BeltsDriven Disc Replacement for driven disc removal Procedure Drain the fuel tank before tipping the mower. Do not tiltChange oil every 25 hours when operating under heavy l ad Service ScheduleHigh temperatures Troubleshooting Warranty ReproductionNot For Not For Not For Slope Guide Product Specifications Common Service Parts Part Number

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.