Tire Pressure - MTD 680 Operator's Manual

Gas and Oil Fill-up
The gasoline tank is located under the hood and has a
capacity of 1-1/2 gallons. Do not overfill.
WARNING:
handling gasoline. Gasoline is extremely
flammable and the vapors are explosive.
Never fuel machine indoors or while the
engine is hot
cigarettes, cigars, pipes, and other sources of
ignition.
Service the engine with gasoline and oil as instructed in
the separate Briggs & Stratton Operator/Owner Manual
(or Tecumseh engine's Owner's Manual) packed with
your tractor. Read instructions carefully.
Your tractor is shipped with motor oil in the
IMPORTANT:
engine. However, you MUST check the oil level before
operating. Be careful not to overfill.

Tire Pressure

WARNING:
any circumstances is 30 psi. Equal tire
pressure should be maintained at all times.
The tires on your unit may be over-inflated for shipping
purposes. Reduce the tire pressure before operating
the tractor. Recommended operating tire pressure is
approximately 10 p.s.i for the rear tires & 14 p.s.i. for
the front tires. Check sidewall of tire for maximum p.s.i.
Use extreme care when
or running. Extinguish
Maximum tire pressure under
Identifying the Mulch Plug
On tractor models with 38- and 42-inch decks so
equipped, a mulch plug can be found within the cutting
deck's discharge opening.
NOTE:
Refer to Mulching on page 15 for more detailed
information.
If you'd prefer to operate the cutting deck without
mulching, simply remove the mulch plug by
unthreading the plastic wing nut which fastens it to the
cutting deck. This will allow the grass clippings to
discharge out of the discharge opening during
operation. See Figure 6.
Plastic Wing Nut
10
(if so equipped)
Mulch Plug
Figure 6