Blade Care - MTD 11A-414A752 Operator's Manual

Blade Care
WARNING: Whenremovingthecuttingblade
for sharpening
or replacement, protect your
hands with a pair of heavy gloves or use a
heavy rag to hold the blade.
Periodically inspectthe bladeadapterfor cracks,
especiallyif youstrikea foreignobject. Replacewhen
necessary.Followthe stepsbelowfor blade service.
1. Disconnectsparkplug wirefrom spark plug.Turn
moweron its side makingsurethat the air filter and
the carburetorare up.
2. Removethe boltand the bladebell supportwhich
hold the bladeand the bladeadapterto the engine
crankshaft.See Figure4.
3. Removebladeand adapterfromthe crankshaft.
4. The bladecan be sharpenedwith a fileor on a grind-
ing wheel.Do notattemptto sharpenthe blade whileit
is still on the mower.
5. Whensharpeningthe blade,followthe originalangle
of grind. Grindeachcuttingedge equallyto keepthe
blade balanced.
6. Removebladefrom the adapterfor testingbalance.
7. Balancethe bladeon a roundshaftscrewdriver to
check. Removemetalfrom the heavysideuntil it
balancesevenly.
WARNING:An unbalanced blade will cause
excessive vibration when rotating at high
speeds, it may cause damage to mower, and
could break causing personal injury.
8. Lubricatetheenginecrankshaftand the inner surface
of the blade adapterwith lightoil. Slide the blade
adapteronto the enginecrankshaft.
Off-Season Storage
Thefollowingstepsshouldbe takento prepareyour
lawnmowerfor storage.
1. Cleanand lubricatemowerthoroughlyas described
in the lubricationinstructions.
2. Wedo not recommend the use of a pressurewasher
or garden hoseto cleanyourunit.
3. Referto engine manualforcorrectengine
storageinstructions.
4. Coat mower'scuttingblade with chassisgreaseto
preventrusting.
5. Storemowerin a dry, cleanarea. Donot storenext
to corrosivematerials,suchas fertilizer.
Whenstoringanytype of powerequipmentin a poorly
ventilatedor metal storageshed, careshouldbe taken
to rust-prooftheequipment.Usinga lightoil or silicone,
coat theequipment,especiallycablesand all moving
parts of yourlawnmowerbeforestorage.
Crankshaft
ti
,. .J
Figure 4
9. Placethe bladeon the adaptersuch that the side
of the blade marked"Bottom"(or with part number)
facesthe groundwhenthe moweris in theoperating
position.Makesurethat the blade is alignedand
seatedon the bladeadapterflanges.
10.Placeblade bell supporton the blade.Align notches
on the bladebell supportwith smallholesin blade.
11.Replacehex boltand tightenhex boltto torque:450
in. Ibs. rain.,600 in. Ibs.max.
Toensuresafe operationof yourmower,periodically
checkthe blade boltfor correcttorque.
Replacing Rear Flap
1. To removerear flap, cut off theflat end of the wirerod
which securesit to thedeck. See Figure5.
Figure 5
2. Attachthe newflap and new rodto deck,bendingthe
ends of the newrod overto secureto deck.
Maintaining
Yo ur LaWn
ow er
WARNING
When removing
the cutting blade
for sharpening or
replacement, protect
your hands with a
pair of heavy gloves
or use a heavy rag to
hold the blade.
An unbalanced blade
will cause excessive
vibration when rotat-
ing at high speeds, it
may cause damage
to mower, and could
break causing per-
sonal injury.
11