Maintenance

Lubricate Grease Fittings

Note: See chart for service intervals.

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.

2.Lubricate fittings with one to two pumps of NGLI grade #2 multi-purpose gun grease.

Refer to the following chart for fitting locations and lubrication schedule.

Lubrication Chart

 

Fitting

Initial

Number of

Service

Locations

Pumps

Places

Interval

1.

Belt

1

2

25 Hours

Idlers

 

 

 

2.

Deck

1

4

40 Hours

Pivots

 

 

 

3.

Front

*0

2

*Yearly

Caster

 

 

 

Wheel

 

 

 

Bearings

 

 

 

4.

Front

*0

2

*Yearly

Caster

 

 

 

Pivots

 

 

 

5.

Brake

1

1

160 Hours

Handle

 

 

 

Pivot

 

 

 

*See step 3 for special lubrication instructions on the front caster pivots and the Lubricate Caster Wheel Hubs section for special lubrication instructions on the front casters wheel hubs.

3.Lubricate front caster pivots once a year. Remove hex plug and cap. Thread grease zerk in hole and

pump with grease until it oozes out around top bearing. Remove grease zerk and thread plug back in. Place cap back on.

Lubricate Caster Wheel Hubs

Service Interval: Yearly

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.

 

Figure 12

1. Seal guard

2. Spacer nut with wrench

 

flats

2.Remove caster wheel from caster forks.

3.Remove seal guards from the wheel hub.

4.Remove one of the spacer nuts from the axle assembly in the caster wheel. Note that thread locking adhesive has been applied to lock the spacer nuts to the axle. Remove the axle (with the other spacer nut still assembled to it) from the wheel assembly.

5.Pry out seals, and inspect bearings for wear or damage and replace if necessary.

6.Pack the bearings with a NGLI grade #1 multi-purpose grease.

7.Insert one bearing, one new seal into the wheel.

Note: Seals (Exmark P/N 103-0063) must be replaced.

8.If the axle assembly has had both spacer nuts removed (or broken loose), apply a thread locking adhesive to one spacer nut and thread onto the axle with the wrench flats facing outward. Do Not thread spacer nut all of the way onto the end of the axle. Leave approximately 1/8 inch (3 mm) from the outer surface of the spacer nut to the end of the axle inside the nut.

27

Page 27
Image 27
Exmark 820, 977 manual Lubricate Grease Fittings, Lubricate Caster Wheel Hubs

977, 820 specifications

The Exmark 820,977 is a powerful and versatile commercial-grade mower that stands out in the landscaping and turf management industry. Renowned for its durability and efficiency, this model is designed to meet the demands of professionals and serious enthusiasts alike.

One of the main features of the Exmark 820,977 is its efficient engine. Powered by a robust V-Twin engine, this mower delivers impressive horsepower, enabling it to cut through thick grass and tough terrain with ease. The engine is designed for optimal fuel efficiency, reducing operational costs while maximizing performance.

The Exmark 820,977 utilizes a patented UltraCut deck technology that ensures a clean and precise cut. This innovative mowing deck design contributes to an exceptional quality of cut at various mowing heights. The fully welded construction enhances durability, allowing for prolonged use in demanding conditions.

Another significant characteristic of the Exmark 820,977 is its ergonomic design. The control system is user-friendly, providing operators with intuitive controls that minimize fatigue during extended use. The adjustable operator seat contributes to comfort, allowing for optimal positioning regardless of the user's stature.

For enhanced maneuverability, the Exmark 820,977 features a low center of gravity and responsive handling, making it easier to navigate around obstacles and tight spaces. The mower's compact design also facilitates storage and transport without taking up too much space.

Technology plays a crucial role in the Exmark 820,977's performance. The model incorporates a range of advanced features, such as an advanced ignition system, which ensures reliable starts and smooth operation. Additionally, the mower includes a maintenance display that alerts users when service is needed, promoting proactive care and reducing downtime.

The Exmark 820,977 is also designed with adaptability in mind. Optional attachments and accessories allow users to customize their mower for a variety of tasks, from mulching and bagging to aerating and dethatching. This versatility makes it an ideal choice for commercial landscapers who require equipment that can handle different jobs effectively.

In conclusion, the Exmark 820,977 epitomizes a blend of powerful performance, advanced technology, and user-friendly features. Its durability and adaptability make it a top choice for professionals seeking a reliable mower capable of delivering superior results in challenging environments.