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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 Fig. 7-6.
J
Figure 7-6
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 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.
NOTE:When replacing the blade, be sure to install the blade with
the side of the blade marked "Bottom" (or with a part number
stamped in it) facing the ground when the mower is in the
operating position.
CAUTION: Use a torque wrench to tighten the
blade spindle hex flange nut to between 70 Ibs-ft
and 90 Ibs-ft.
WARNING! Never exceed the maximum inflation
pressure shown on the sidewall of the tire.
Refer to the tire sidewall for exact tire manufacturer's
recommended or maximum psi. Do not overinflate. Uneven tire
pressure could cause the cutting deck to mow unevenly.
Battery
CALIFORNIA PROPOSiTiON 65 WARNING!
Battery posts, terminals, and related accessories
contain lead and lead compounds, chemicals known
to the State of California to cause cancer and
reproductive harm. Wash hands after handling.
CAUTION: If removing the battery, disconnect the
NEGATIVE (Black) wire from it's terminal first,
followed by the POSITIVE (Red) wire. When re-
installing the battery, always connect the POSITIVE
(Red) wire its terminal first, followed by the
NEGATIVE (Black) wire.
JumpStarting
_ ARNING! Never jump start a damaged or frozen
battery. Be certain the vehicles do not touch, and
ignitions are off. Do not allow cable clamps to touch.
1. Connect positive (+) cable to positive post (+) of your
tractor's discharged battery.
2. Connect the other end of the cable to the (positive +) post
of the jumper battery.
3. Connect the second cable negative (-) to the other post of
the jumper battery.
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.
_lk AUTION: If the jumper battery is installed on a
vehicle (i.e. car, truck), do NOT start the vehicle's
engine when jump starting your tractor.
5,
Start the tractor (as instructed in the Operation section of
this manual).
6,
Set the tractor's parking brake before removing the jumper
cables, in reverse order of connection.
Charging
WARNING! Batteries give off an explosive gas
while charging. Charge the battery in a well
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.
CAUTION: When charging your tractor's battery,
use only a charger designed for 12V lead-acid
batteries. Read your battery charger's Owner's
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
of time, charge the battery as follows:
1. Set your battery charger to deliver a max of 10 amperes.
2. If your battery charger is automatic, charge the battery
until the charger indicates that charging is complete. If the
charger is not automatic, charge for no fewer than eight
hours.
SECTION7 -- SERVICE 27