Hayter Harrier 48 BBC, Owner'S Handbook Manual

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10 11
Friction Disc
The cutterblade is driven by the engine via a friction
disc to help prevent damage occurring to the engine
crankshaft and cutting mechanism when a hidden
obstruction or overload is encountered.
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Non Grassed Areas
When moving the mower across non-­grassed areas, stop
the engine and set the mower to the maximum height of
cut to protect the cutting mechanism.
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Maintenance Schedule
Follow the hourly or calendar intervals, whichever occurs
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prolonged periods under dusty, dry conditions, or when
airborne debris is present or after extensive operation
cutting tall, dry grass.
First 5 Hours
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-­ Adjust the autodrive clutch cable
Daily
-­ Check the oil level
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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
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1. Air Cleaner
2. Fuel Cap
3. Start Grip
4. Cover
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6. Exhaust Guard
7. Exhaust
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9. Carburettor
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