Snapper 7800764 CRP218520 manual Maintenance, Mower Blade Replacement, Standard Blade Wear Limit

Page 14

Maintenance

!

WARNING

!

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 extremely sharp and can cause severe injury.

Mower Blade Replacement

Standard Blade Wear Limit

A

B

C

Figure 19: Ninja blade wear limits

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

Blade Sharpening

 

 

 

 

excessive wear or damage:

 

 

 

 

 

 

 

 

 

(A)

New blade

 

 

 

 

 

1. Disconnect the spark plug wire and secure the end away

 

(B)

Wear limit (notch starts)

 

 

 

 

 

 

from the plug.

 

 

 

 

(C)

 

Reproduction

 

 

 

 

Dangerous condition! Do not use the mower!

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

 

 

Replace with a new blade.

 

 

 

 

 

 

mower with the spark plug or carburetor down.

 

 

A

 

 

 

 

 

Imp rtant: Dra n he fuel tank before tipping the mower. DO

 

 

 

 

 

 

 

NOT tip the mach ne w th the carburetor or spark plug down.

 

 

 

 

 

 

 

 

Oil from the rank ase will saturate the air filter and cause

 

 

 

 

B

 

 

 

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

 

 

 

 

 

 

 

contamination 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

 

 

 

 

 

 

 

 

 

 

 

 

between flanges

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

Figure 18: Standard blade wear limits

 

 

 

 

Ninja Blade Wear Limit

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

1. Inspect the blade (Figure 19) frequently for signs of

 

 

 

 

 

 

excessive wear or damage:

 

 

 

 

 

 

 

 

 

 

 

(A)

New blade

 

 

 

 

 

 

 

 

 

 

 

(B)

Wear limit (cracks or notches begin to appear on

 

B

 

 

 

 

tip)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(C)Dangerous condition! Do not use on the mower!

 

Replace with a new blade.

 

D

 

 

 

!

WARNING

!

E

 

DO NOT use a cutting blade that shows signs of excessive

Figure 20: Removing the mower blade

wear or damage. Refer to the Section entitled “MOWER

 

BLADE REPLACEMENT” for proper blade inspection and

 

service procedures.

 

14

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Image 14
Contents Not For 7104669 Rev. ‘-’Complete the following information on your Snapper purchase ReproductionNot Table of Contents From Previous Column Operator SafetyProtection for Children Preparation Slope OperationOperation Maintenance and StorageFrom Previous From Previous Column Features and Controls Orf NotOperation Before Starting Lower handle Operation Propelling the Mower Handle Height AdjustmentStart the mower 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 TransmissionCheck Transmission Poly-V Belt Service PeriodicSto age Procedure Engine Check Mower Blade Air FilterStandard Blade Wear Limit MaintenanceMower Blade Replacement Blade SharpeningReproduction For End view Blade assemblyTo adjust, unhook the upper spring D from the cable Cable eye C with the wheel drive control releasedIf the drive disc and driven disc are clean and the mower Drive Spring Repair/ReplacementCleaning Drive Disc & Driven Disc Reprod uctionReprod Driven Disc AdjustmentDriven Disc Ring Replacement UctionReproduction For Not Driven Disc Bearing ReplacementDriven Disc Ring Replacement Replacing the Bearing On the Pulley End Hex ShaftBelts Driven Disc Replacement for driven disc removal Procedure Transmiss on P ly-V Belt ReplacementEngine Drive Belt Replacement Stretch Type Belts 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.