Great Dane GDRZ61-25KAE Lawn Mower User Manual


 
Operating - 20
OPERATING
Using Hydraulic Pump Free-Wheel Valves
NOTE: The hydraulic pump free-wheel valves must be
fully turned clockwise (closed) during normal vehicle
operation.
When the machine needs to be moved without starting or
running the engine, use the hydraulic pump free-wheel
valves:
1. Lock the park brake.
NOTE: The pumps are located under the machine,
behind the mower deck.
MX13120
Picture Note: Left pump shown.
2. Turn free-wheel valve (A) on both pumps one full turn
counterclockwise (open position).
3. Unlock the park brake.
4. Push machine to desired location. Due to hydraulic
system drag, machine will move slowly.
5. Turn free-wheel valve (A) on both pumps one full turn
clockwise (closed position). Tighten valve to 9
-14 N•m (80-
120 lb-in.).
6. Lock the park brake.
Transporting Machine
Use a heavy-duty trailer to transport your machine. Trailer
must have signs and lights required by law.
1. Raise the mower deck lift lever to the transport position.
2. Drive machine on trailer.
3. Stop engine and lock the park brake.
4. Remove key.
5. Fasten machine to trailer with heavy-duty straps, chains
or cables. Both front and rear straps must be directed down
and outward from machine.
Mowing Tips
Mow grass with throttle lever in the full-throttle position.
Cut grass when it is dry.
Keep mower deck and discharge chute clean.
Mow with sharp blades.
Properly level mower deck for a smooth cut.
Mow grass high and often.
Use a travel speed that fits the conditions:
Mow tall or wet grass twice. Cut grass at half desired
height; then cut at desired height.
Travel slow when mowing tall, thick or wet grass.
Avoid damaging grass by slipping or skidding
machine drive wheels. Practice smooth control lever
movements.
When performing sharp turns, do not allow inside
machine drive wheel to stop and twist on grass.
c CAUTION: Avoid injury! With the free-wheel
valves open, the machine will have
unrestricted motion.
The machine may free-wheel out of control if
the free-wheel valves are opened with the
machine on an incline.
Park the machine on a level surface before
opening the free-wheel valves.
IMPORTANT: Avoid damage! Transmission damage
may occur if the machine is moved or towed
incorrectly:
Move unit by hand only.
Do not use another vehicle to move unit.
Do not tow unit.
A
c CAUTION: Avoid injury! Use caution when
loading or unloading machine into a trailer or
truck.
IMPORTANT: Avoid damage! Transmission damage
may occur if the machine is moved or towed
incorrectly:
Move unit by hand only.
Do not use another vehicle to move unit.
Do not tow unit.