Lubrication

Lubricating the Wheel Gears

Service Interval: Yearly—Lubricate the wheel gears.

1.Remove the wheel bolts on the rear wheels and remove the rear wheels.

2.Apply a lubricating oil to the gear as shown in Figure 21.

Engine Maintenance

Replacing the Air Filter

Service Interval: Yearly—Replace the air filter (more frequently in dusty operating conditions).

1.Perform the pre-maintenance procedures; refer to Preparing for Maintenance.

2.Open the air filter cover and remove the old air filter (Figure 22).

Figure 21

3. Install the rear wheels.

Figure 22

3. Install a new air filter and the air filter cover.

Changing the Engine Oil

Service Interval: After the first 5 hours—Change the engine oil.

Every 50 hours—Change the engine oil.

Run the engine a few minutes before changing the oil to warm it. Warm oil flows better and carries more contaminants.

1. Perform the pre-maintenance procedures; refer to Preparing for Maintenance.

2. Remove the dipstick (Figure 6).

3. Tip the mower onto its side, with the air filter up, to drain the used oil out through the oil fill tube (Figure 23).

14

Page 14
Image 14
Hayter Mowers 447F manual Lubrication, Engine Maintenance, Lubricating the Wheel Gears, Replacing the Air Filter