Maintenance
Recommended Maintenance Schedule(s)
Maintenance Service | Maintenance Procedure | ||
Interval | |||
|
| ||
|
|
| |
After the first 5 hours | • | Change the engine oil. | |
|
|
| |
| • | Check the engine oil level. | |
Before each use or daily | • | Ensure that the engine stops within 3 seconds after releasing the blade control bar. | |
| • | Clean the mower. | |
Every 25 hours | • | Charge the battery for 24 hours. (Model 447F only) | |
• | Replace the blade or have it sharpened (more frequently if the edge dulls quickly). | ||
| |||
Every 50 hours | • | Change the engine oil. | |
|
|
| |
Every 100 hours | • | Clean the cooling system (refer to your engine owner’s manual). | |
• | Replace the spark plug (refer to your engine owner’s manual). | ||
| |||
|
|
| |
Before storage | • | Empty the fuel tank before repairs as directed and before annual storage. | |
|
|
| |
| • | Lubricate the wheel gears. | |
| • | Replace the air filter (more frequently in dusty operating conditions). | |
Yearly | • | Check the spark plug (refer to your engine owner’s manual). | |
| • | Refer to your Engine Operator’s Manual for any additional yearly maintenance | |
|
| procedures. | |
|
|
| |
Premaintenance
Procedures
Preparing for Maintenance
1.Stop the engine and wait for all moving parts to stop.
2.Disconnect the spark plug lead from the spark plug (Figure 20) before performing any maintenance procedure.
hand fuel pump to remove the fuel. Always tip the mower onto its side with the air filter up.
Tipping the mower may cause the fuel to leak. Petrol is flammable, explosive and can cause personal injury.
Run the engine dry or remove the petrol with a hand pump; never siphon.
Figure 20
3.After performing the maintenance procedure(s), connect the spark plug lead to the spark plug.
Important: Before tipping the mower to change the oil or replace the blade, allow the fuel tank to run dry through normal usage. If you must tip the mower prior to running out of fuel, use a
13