Maintenance

Replacing the Bearing On the Pulley End

Belt Service

 

 

 

Of the Hex Shaft

 

 

 

 

 

 

 

 

 

 

!

WARNING

 

!

 

!

WARNING

!

 

 

 

 

DO NOT attempt any maintenance, adjustments or

DO NOT attempt any maintenance, adjustments or

 

service with engine and blade running. STOP engine

service with engine and blade running. STOP engine

 

and blade. Disconnect spark plug wire and secure

and blade. Disconnect spark plug wire and secure

 

away from spark plug. Engine and components are

away from spark plug. Engine and components are

 

HOT. Avoid serious burns, allow sufficient time for all

HOT. Avoid serious burns, allow sufficient time for all

 

components to cool.

 

 

 

components to cool.

 

 

 

 

 

 

 

 

 

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

To replace the bearing on the pulley end of the hex

32) transmits power from the engine pulley (B) to the

shaft, proceed as follows:

 

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

1.

Hold the hex shaft with an adjustable wrench held

which engages the transmission that powers the rear

2.

next to the pulley.

 

wheels. Should these belts become worn, they could

Remove the 3/8” hex lock nut (B, Figure 31),

cause slippage, which would impair mower perfor-

 

3.

located on the outside of the right wheel bracket.

mance. The condition of the engine belt and poly-v

 

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

belt should be checked after every 25 hours of mower

 

(D).

B

 

operation.

 

 

 

 

4.

 

Reproduction

 

 

 

Install the new bearing.

 

Engine Drive Belt Replacement (Stretch

5.

Carefully install the new O-ring over the outside of

6.

the new bearing.

 

Type Belts)

 

 

 

Install the bearing holder, and secure with screws.

 

1. Empty

he fuel ank.

 

 

 

7.

Install the 3/8” hex lock nut.

 

 

2. Note he belt routing (Figure 32). There is no idler

 

 

 

 

 

 

pulley

hese models to disconnect.

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

D

C

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

B

 

Figure 31: Replacing the hex shaft bearing

Figure 32: Engine drive belt routing

26

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Image 26
Snapper 7800842-01 Belt Service, Replacing the Bearing On the Pulley End, Hex Shaft, Engine Drive Belt Replacement Stretch
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7800841-01, 780084-01, 7800842-01 specifications

The Snapper 7800842-01, 780084-01, and 7800841-01 are cutting-edge lawn care equipment designed to enhance the mowing experience while providing outstanding performance and reliability for homeowners and professionals alike. These models are part of Snapper's extensive lineup of outdoor power equipment, recognized for their durability and innovative features.

One of the main features of the Snapper 7800842-01 series is its advanced cutting technology. It is equipped with a robust 21-inch steel mowing deck, which ensures a clean and efficient cut, allowing users to tackle various lawn types and conditions. The durable construction of the deck not only enhances its longevity but also offers superior performance in mulching, bagging, or side-discharging grass clippings.

The Snapper series employs a powerful engine that delivers robust performance. With a reliable Briggs & Stratton engine, users can expect easy starting and impressive fuel efficiency. This engine is designed to provide ample torque for tackling tough grassy areas while ensuring smooth operation, reducing the effort required for maintaining your lawn.

Another notable feature is the adjustable cutting height system, which allows for easy customization of grass height. Users can quickly set their desired height for optimal mowing results, accommodating different grass types and seasonal growth patterns. This versatility is essential for achieving the perfect lawn manicuring experience.

Comfort is a priority in the design of the Snapper 7800842-01 series. The ergonomic handle design reduces operator fatigue, making it easier to maneuver the mower over more extensive areas. Additionally, the foldable handle feature simplifies storage and transportation, catering to users with limited space.

Safety features are also integrated into these models, ensuring peace of mind for users. An operator presence control system immediately stops the blade when the user releases the handle, preventing accidents.

Overall, the Snapper 7800842-01, 780084-01, and 7800841-01 models are a testimony to Snapper's commitment to quality and innovation. With their combination of reliable power, efficient cutting capabilities, and user-friendly design, they are well-suited for maintaining a pristine lawn. Whether used by homeowners seeking a perfect yard or professionals needing dependable equipment, these mowers stand out as excellent choices in the realm of outdoor power tools.
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