MTD 503 Lawn Mower User Manual


 
8
IInstalling Rear Wheels
Place the rear of the mower deck on raised blocks.
Remove lock nut from pivot arm assembly, slide
wheel, with hollow side in, onto axle and secure with
lock nut. See Figure 8.
Assemble the other side in the same manner
SECTION 4: OPERATING YOUR LAWN MOWER
Know your lawn mower
Blade Control Handle
The blade control handle is located on the upper handle of
the mower. See Figure 9. The blade control handle must
be depressed in order to operate the unit. Release the
blade control handle to stop the engine and blade.
Cutting Height Adjustment Levers
One adjustment lever is located on each wheel and is used
to adjust the cutting height. All four levers have to be at the
same relative position to ensure uniform cut.
Recoil Starter
The recoil starter is attached to the right upper handle.
Stand behind the unit and pull the recoil starter rope to
start the unit.
Mulching Baffle
The mulching baffle is used to recirculate grass clippings
back to the lawn. Attach it as instructed on page 7 of this
manual.
Before Starting
Service the engine with gasoline and oil as instructed in the separate engine manual. Read instructions
carefully.
Attach spark plug wire to spark plug. If unit is equipped with a rubber boot over the end of the spark plug wire,
make certain the metal loop on the end of the spark plug wire (inside the rubber boot) is fastened securely over
the metal tip on the spark plug.
WARNING: This blade control
mechanism is a safety device. Never
attempt to bypass its operation.
WARNING: Use extreme care when handling gasoline. Gasoline is extremely flammable and the vapors
are explosive. Never fuel the machine indoors or while the engine is hot or running. Extinguish cigarettes,
cigars, pipes and other sources of ignition.
Lock
Nut
Figure 8
Blade Control
Handle
Recoil
Starter
Discharge
Chute
Cutting Height
Adjustment
Mulching
Baffle
Lever
Figure 9