Great Dane GDRZ72-28KHE Lawn Mower User Manual


 
Assembly - 67
ASSEMBLY
Initial Adjustments
1. Check free-wheel valves on both pump assemblies to
make sure that the valves are closed. Tighten valves to
108-163 N•m (80-120 lb-ft).
2. Raise the rear of the machine until the drive wheels are
off the ground. Support the machine with jackstands.
3. Start and run the engine until it reaches normal
operating temperature.
4. Move control levers to the forward position and observe
drive wheel rotation; the drive wheels should rotate in the
correct direction.
5. Move the control levers to the reverse position and
observe drive wheel rotation; the drive wheels should rotate
in the correct direction.
6. Move PTO clutch switch to on position; mower clutch
should engage. Run blades for several minutes.
7. Move PTO clutch switch to off position and shut the
engine off.
8. Check all belts for proper tension.
9. Start the engine and test drive the machine in an open
area. Drive the machine forward; if the machine drifts to the
right or left, adjust the transmission control linkage.
c CAUTION: Avoid injury! Clear area of
bystanders before performing this service
procedure.
c CAUTION: Avoid injury! Engine exhaust fumes
contain carbon monoxide and can cause
serious illness or death.
Move the vehicle to an outside area before
running the engine.
Do not run an engine in an enclosed area
without adequate ventilation.
Connect a pipe extension to the engine
exhaust pipe to direct the exhaust fumes out of
the area.
Allow fresh outside air into the work area to
clear the exhaust fumes out.