Cutting Blades - MTD 780 Series Operator's Manual

9. Carefully remove the PTO cable from the rear of the cutting
deck by removing the bow-tie clip which secures it. Remove
the spring from the deck idler bracket. See Figure 7-4.
10. Gently slide the cutting deck (from the left side) out from
underneath the tractor.
Tires
WARNING!
pressure shown on the sidewall of the tire.
The recommended operating tire pressure is:
• Approximately 10 psi for the rear tires
• Approximately 14 psi for the front tires
IMPORTANT:
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.
Jump Starting
WARNING!
battery. Be certain the vehicles do not touch, and
ignitions are off. Do not allow cable clamps to touch.
Figure 7-4
Never exceed the maximum inflation
Never jump start a damaged or frozen
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.
Connect the second cable (negative –) to the other post of
3.
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.
CAUTION:
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!
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:
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.
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.
Fuse
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.
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
fender located by the battery.
WARNING!
amperage capacity for replacement.

Cutting Blades

WARNING!
ignition key before removing the cutting blade(s) for
sharpening or replacement. Protect your hands by
using heavy gloves when grasping the blade.
WARNING!
for cracks or damage, especially if you strike a
foreign object. Replace immediately if damaged.
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
Shut the engine off and remove
Periodically inspect the blade spindles