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Machine and Engine Maintenance
Muffler
Check the muffler often to make sure it is not loose, damaged or rusty.
Do not use the machine until the muffler is repaired or replaced.
**Before starting the engine, check the two muffler bolts (#21, AF921)
are tight. Loose muffler or cylinder may cause engine fire.
Oil Maintenance
Before each use, check the oil level and ensure that
a correct oil level is at the upper limit. Refer to the
“
Before Starting the Machine
”
section for
instructions.
Change the oil after the initial first twenty (20) hours of use. Subsequently,
change the oil every 50 hours or as needed.
(1) Run the engine until the fuel tank is empty.
(2) Remove the spark plug lead.
(3) Allow the engine to cool.
(4) Drain the oil while the engine is warm (not hot).
(5) Tip the machine over on to its left side
(keeping the carburetor side up).
(6) Drain the oil into a suitable container.
(7) Refill with a high
-
grade SAE 10W
-
30 synthetic oil.
Keeping the Engine Clean
Remove all debris and grass from the engine, including the exhaust and
exhaust guard, air ways in the top cowl, and surrounding deck areas on a daily
basis or after each use. Do not clean between engine & impeller while the
engine is running. Do not pressure
-
wash the machine during cleaning. Water
can contaminate the fuel. Always clean with a brush or compressed air.
Grass and debris may clog the engine
’
s air cooling system especially after
prolonged operation or cutting tall, dry grass. The internal cooling fans and
surfaces may require cleaning to prevent the engine from overheating.
Deck Housing
Remove debris and grass from both sides of the deck immediately after each
use.
Nuts and Bolts
Check all securing nuts and bolts regularly to ensure they remain tight.
Replace missing or damaged items immediately.
