Cutting Blades - MTD 760 Serie Manual De Operador

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Jump Starting
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WARNING!
battery. Be certain the vehicles do not touch, and
ignitions are off. Do not allow cable clamps to touch.
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1. Connect positive (+) cable to positive post (+) of your
tractor's discharged battery.
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Connect the other end of the cable to the (positive +) post
2.
of the jumper battery.
Connect the second cable (negative –) to the other post of
3.
the jumper battery.
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4. Make the final connection on the engine block of the
tractor, away from the battery. Attach to a unpainted part
to assure a good connection.
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CAUTION:
vehicle (i.e. car, truck), do NOT start the vehicle's
engine when jump starting your tractor.
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5. Start the tractor (as instructed in the Operation section of
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6. Set the tractor's parking brake before removing the jumper
cables, in reverse order of connection.
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Charging
WARNING!
while charging. Charge the battery in a well
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ventilated area and keep away from an open flame
or pilot light as on a water heater, space heater,
furnace, clothes dryer or other gas appliances.
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CAUTION:
use only a charger designed for 12V lead-acid
batteries. Read your battery charger's Owner's
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Manual prior to charging your tractor's battery.
Always follow its instructions and heed its warnings.
If your tractor has not been put into use for an extended period
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of time, charge the battery as follows:
1. Set your battery charger to deliver a max of 10 amperes.
If your battery charger is automatic, charge the battery until the
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charger indicates that charging is complete. If the charger is not
automatic, charge for no fewer than eight hours.
Fuse
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One 20 AMP fuse is installed in your tractor's wiring harness to
protect the tractor's electrical system from damage caused by
excessive amperage.
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If the electrical system does not function, or your tractor's engine
will not crank, first check to be certain that the fuse has not
blown. It can be found at the rear of the unit, underneath the
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fender located by the battery.
WARNING!
amperage capacity for replacement.
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ection
Never jump start a damaged or frozen
If the jumper battery is installed on a
Batteries give off an explosive gas
When charging your tractor's battery,
Always use a fuse with the same
ervice

Cutting Blades

WARNING!
Shut the engine off and remove
ignition key before removing the cutting blade(s) for
sharpening or replacement. Protect your hands by
using heavy gloves when grasping the blade.
WARNING!
Periodically inspect the blade and/or
spindle for cracks or damage, especially after you've
struck a foreign object. Do not operate the machine
until damaged components are replaced.
To remove the blades, proceed as follows.
1. Remove the deck from beneath the tractor, (refer to
Cutting Deck Removal earlier in this section) then gently
flip the deck over to expose its underside.
2. Place a block of wood between the center deck housing
baffle and the cutting blade to act as a stabilizer.
See Figure 7-7.
3. Remove the hex flange nut that secures the blade to the
spindle assembly. See Figure 7-7.
Figure 7-7
4. To properly sharpen the cutting blades, remove equal
amounts of metal from both ends of the blades along the
cutting edges, parallel to the trailing edge, at a 25°- to 30°
angle. Always grind each cutting blade edge equally to
maintain proper blade balance. See Figure 7-8.
CAUTION:
If the cutting edge of the blade has
previously been sharpened, or if any metal
separation is present, replace the blades with new
ones.
WARNING!
A poorly balanced blade will cause
excessive vibration, may cause damage to the
tractor and/or result in personal injury.
5. Test the blade's balance using a blade balancer. Grind
metal from the heavy side until it balances evenly.