Maintenance

!

WARNING

!

Driven Disc Bearing Replacement

If the driven disc bearing requires replacement, replace the

DO NOT attempt any maintenance, adjustments or service

bearing as follows:

with engine and blade running. STOP engine and blade.

1.

Remove the driven disc assembly. Refer to the Section

Disconnect spark plug wire and secure away from spark

 

entitled “Driven Disc Replacement”.

plug. Engine and components are HOT. Avoid serious

 

2.

Remove the snap ring (A, Figure 31) that secures the

burns, allow sufficient time for all components to cool.

 

 

driven disc hub (B) to the thrust plate.

 

 

 

3.

Slide the driven disc hub out of the bearing (C).

Driven Disc Ring Replacement (Continued)

 

5.

Remove the four screws, and replace the bearing.

 

6.

Reassemble the components in reverse order.

2. Using needle nose pliers, unhook the drive spring (A,

 

 

Figure 29) and slide the driven disc assembly off the hex

shaft.

NOTE: Be sure to replace the shim washer (D) when reassembling the driven disc assembly.

3. Remove the five machine screws (A, Figure 30) and plate (B) which secure the rubber ring (C) to the driven

disc hub (D).

 

 

 

A

 

4. Install a new rubber ring.

 

 

 

 

 

5. Reverse the above procedures for reassembly and

 

 

 

 

installation of the driven disc assembly.

 

 

 

 

 

Reproduction

 

 

 

 

for

C

 

 

 

 

 

 

 

D

 

Not

 

 

B

 

A

 

 

 

 

 

Figure 31: Replacing the driven disc bearing

 

Figure 29: Removing the driven disc assembly

 

 

 

 

A

D

C

B

Cross Section

Figure 30: Replacing the driven disc rubber ring

18

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Image 18
Snapper 7800764 CRP218520 manual Reproduction For Not, Driven Disc Bearing Replacement, Driven Disc Ring Replacement
Page 17 Page 19

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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