Periodic Maintenance

GZ Owner’s Manual

MAINTENANCE

Periodic maintenance should be performed at the following intervals:

Maintenance Operation	Every Use (daily)	Every 5 hrs or (daily)	Every 25 Hours

Inspect for loose, worn or damaged parts.		z

Check for excessive vibration.	z

Inspect belt for wear.			z

Engine (See Engine Manual)

Lubricate front wheels and rear wheels.			z

Grease brush arm mechanism.			z

CHANGING BRUSH

1. Wait for engine to cool and disconnect spark plug.

2. Remove the brush guard (item 27) by removing the two screws (item 45) that secure it in place. Use gloves and a shop rag to hold the brush and prevent it from rotating.

3.Using a 3/4" wrench remove brush nut (item 15), and slide brush washer (item 16) off the bearing shaft.

4.Slide the brush (item 6) sideways off of the bearing shaft.

5.Install new brush over the shaft. NOTE: Be sure that to use the nylon bushing that comes with the Billy Goat replacement brush to insure proper fit between the brush and the shaft.

6.Replace the brush washer (item 16), and the brush nut (item 15). Use a 3/4" wrench to torque the nut to 45 ft.lbs to secure the brush in place. Be sure to wear gloves and use a shop rag to hold the brush while tightening. Reinstall the brush guard that was removed in step 2.

CHANGING BELT

1. Wait for engine to cool and disconnect spark plug.

2.Using two 1/2" wrenches, remove the bolt (item 45) and nut (item 52), one on each side, that secures the brush guard (item 27) and the front pulley guard (item 31). Set the two guards aside.

3.Using a 3/8" wrench, remove the three bolts (item 4) that secure the rear pulley guard in place. Set the guard aside.

4.Slide the belt off the engine pulley and over the end of the crankshaft, and discard the old belt.

5.Install the new belt in the reverse order of removal.

6.Replace the guards and secure in place with using the hardware you removed.

NOTE: Use only factory original belts for maximum service life. BGI #610420 Inspect the pulleys when replacing the belt and replace if worn or damaged.

CHANGING PULLEYS

NOTE: Pulleys should be replaced in pairs and not individually to obtain the maximum service life from you unit. 1. Wait for engine to cool and disconnect spark plug.

2. Remove the belt by following the Belt Replacement procedure on the preceding page.

3.Using a 5/32" allen wrench loosen the set screws, two per pulley that secure the pulleys in place.

4.Slide the pulleys off the shafts and slide the new pulleys in place.

5.Use a long straight edge to align the pulleys before tightening the setscrews in place.

6.Torque the setscrews to 15 ft.lbs to secure them.

7.Replace the belt and all guard by referring to the Belt Replacement procedure on the preceding page. NOTE: Use only factory original pulleys as replacement parts. Inspect the belt when replacing the pulleys and replace if worn or damaged.

TIRE AIR PRESSURE

Check at regular intervals and maintain.

Rear Tires - 24 Psi (17 kPa).

Part No 610428

Form No F022508A

GZ451S, GZ401H specifications

Billy Goat is a renowned brand in outdoor power equipment, especially recognized for its exceptional line of debris and lawn care machines. Among their impressive offerings, the GZ401H and GZ451S stand out as prime choices for both professional landscapers and homeowners seeking efficient and reliable equipment for their yard maintenance needs.

The Billy Goat GZ401H is designed with a robust Honda engine that delivers a powerful performance, boasting a top speed that makes quick work of clearing debris. Its 40-inch heavy-duty steel deck ensures durability, while the unique design allows for easy maneuverability around obstacles, making it ideal for both open and confined spaces. The GZ401H features a self-propelled drive system that enhances user comfort, enabling operators to cover large areas without the fatigue that can come from manual pushing.

Equipped with a convenient height adjustment system, this model allows users to choose between various cutting heights, ensuring a tailored experience for any lawn condition. Additionally, the GZ401H includes a patented debris management system which efficiently collects leaves and grass clippings, thereby promoting a cleaner and healthier lawn environment.

On the other hand, the Billy Goat GZ451S takes things a step further with its advanced engineered design, featuring a 45-inch cutting width powered by a high-performance engine. This model is designed for greater efficiency, allowing operators to tackle larger jobs in less time. The GZ451S is aerodynamically shaped to improve airflow, resulting in better vacuuming capabilities. It also boasts enhanced wheels that provide excellent traction, making it suitable for a variety of terrains.

Both models utilize advanced technologies aimed at operator safety and comfort. The integrated safety features prevent accidental starts, while the operator presence control ensures that the machine only operates when in use. With low maintenance requirements and a focus on user-friendliness, the GZ401H and GZ451S are designed to deliver outstanding performance and reliability season after season.

In conclusion, whether opting for the compact and powerful GZ401H or the larger and more robust GZ451S, users can expect exceptional build quality, innovative features, and the durability needed to handle demanding lawn care tasks with ease and efficiency.