Hayter Mowers Harrier 48/56 Pro 496G - Manual (Page 10)

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Maintenance Schedule
Follow the hourly or calendar intervals, whichever occurs
first. More frequent service will be required if working for
prolonged periods under dusty, dry conditions, or when
airborne debris is present or after extensive operation
cutting tall, dry grass.
First 5 Hours
- After the very first five hours change the engine oil
- Adjust the autodrive clutch cable
Daily
- Check the oil level
- Remove grass debris from around the engine, exhaust/
exhaust guard, air ways in the top cowl, underside of
the deck housing and from the grassbag and check for
signs of damage.
- Check the condition of guards and safety devices.
- Check condition of cutterblade.
25 Hours Or Every Season
- Change the engine oil if continuously operating under
heavy load or high ambient temperature.
- Service the air cleaner.
- Lubricate wheels, pivot points and linkages and grease
the inner control cables at point of entry and exit from
their outer casing.
- Check the clutch cable adjustment.
- Sharpen the cutterblade.
50 Hours Or Every Season
Change the engine oil.
100 Hours Or Every Season
- Clean the engine cooling system. Clean more often
under dusty conditions or when airborne debris is
present or after prolonged operation whilst cutting tall,
dry grass.
- Replace the spark plug.
Engine Detail
(Refer fig.21)
MAINTENANCE SCHEDULE
Fig. 21
1. Spark Plug / Lead
2. Exhaust
3. Exhaust Guard
4. Cover
5. Start Grip
6. Oil fill/Dipstick
7. Fuel Cap
8. Air Cleaner
9. Carburettor
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