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16 Operation
MAN0646 (7/6/2007)
OWNER PRE-OPERATION CHECK LIST
(OWNER'S RESPONSIBILITY)
___ Review and follow all safety rules and safety
decal instructions on pages 5 through 10.
___ Check that all safety decals are installed and in
good condition. Replace if damaged.
___ Check to make sure all shields and guards are
properly installed and in good condition. Be sure
that either the discharge shield or complete vac-
uum attachment is installed.
___ Check that all hardware and cotter pins are prop-
erly installed and secured.
___ Check that equipment is properly and securely
attached to power unit.
___ Make sure driveline spring-activated locking pin
or collar slides freely and is seated firmly in
power unit PTO spline groove and in gearbox
spline groove.
___ Check for grass wrap on PTO shaft. When mow-
ing long grass, remove key and check for grass
wrap around PTO shaft every 30 minutes of oper-
ation.
___ Check to be sure engine is free of dirt and debris.
Pay particular attention to the cooling fins, gover-
nor parts and muffler.
___ Do not allow riders.
___ Inspect area and remove stones, branches or
other hard objects that might be thrown, causing
injury or damage.
___ Clean air intake screen. Check air cleaner; ser-
vice if necessary.
___ Clean area around oil fill dipstick. Remove dip-
stick and check to be sure oil is in operating
range (between marks on dipstick). Add oil if nec-
essary but Do Not Overfill. Install dipstick
assembly firmly until cap bottoms out on tube.
Dipstick assembly must always be secured into
fill tube when engine is running. Avoid touching
exhaust manifold if unit has been running.
___ Check all lubrication points and grease as
instructed. See “Lubrication Service Intervals” on
page 18.
___ Check hydrostatic fluid level (refer to Owner Ser-
vice section). Check to be sure cooling fins on
hydrostat are clean.
___ Perform a functional check of the safety interlock
system each time you operate the unit. Place
both steering levers outward, start engine,
engage PTO and then rise up out of the seat; the
engine should die. If it does not, do not operate
unit until the safety interlock system has been
repaired and operates properly.