20
FS 3800 / FS 6500 SAW & ENGINE MAINTENANCE SCHEDULE
FREQUENCY
MAINTENANCE PROCEDURE
DAILY 50 HRS 100 HRS 250 HRS
Check engine oil level, add to full mark. DO NOT OVERFILL!
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Check air cleaner. Shake out loose dirt from element.
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Check air cleaner connections. Tighten if necessary.
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Clean air intake screen. Engine and air cleaner are to be
cleaned, too.
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Check blade shaft drive belt tension. Replace belts if damaged.
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Check transmission drive belt tension. Replace belt if damaged.
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Check alternator belt tension. Replace belt if damaged.
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Check hydrostatic transmission oil level. Oil should be visible in
clear tube.
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Grease bladeshaft bearings. DO NOT OVERGREASE!
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Check coolant spray tubes in blade guard. Clean if necessary.
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Check bladeshaft, bladeshaft bearings, collars and drive pin
condition. Bearings should be tight. No free-play side to side,
collars should be clean and free of nicks and burrs. Bladeshaft
threads should be in good condition and drive pin free of
gouges.
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Grease front axle, rear axle and bearings.
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Change crankcase oil.
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Clean crankcase breather cap.
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Clean transmission cooling fins.
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Replace oil filter with each oil change.
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Replace fuel filter.
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Check oil level in raise/lower pump.
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Replace air cleaner elements.
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Check and clean battery terminals.
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Inspect, clean or replace spark plugs and breaker points.
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Oil grade/engine capacity chart
Use Oils classified as Service MS, SD or SE
SEASON OR TEMPERATURE GRADE OF OIL
FS3800 FS6500
Spring, Summer or Autumn: +120°F to +40°F
SAE 30 SAE 30
Winter: +40°F to +15°F
SAE 20-20W SAE 20-20W
Winter: +15°F to 0°F,
SAE 10W SAE 10W
Winter: Below 0°F
SAE SW-20 SAE SW-20
Crankcase Capacity VG4D 37 HP V465D 65 HP
New Engine 4-1/2 qts. (4.25 L) 6 qts. (5.67 L)
Oil & Filter Change 5 qts. (4.73 L) 7 qts. (6.62 L)
Less Oil Filter or Filter Change 4-1/2 qts. (4.25 L) 6 qts. (5.67 L)