HK4400
Emptying the Hopper
•
When raising the hopper, only empty
in an area with relatively flat ground.
Do NOT raise the hopper on an incline
greater than 10 degrees.
•
Use the middle lever to operate the
hopper lift cylinders.
•
Once the hopper is in the UP position,
use the RH lever to operate the
hopper door cylinders to open and
close the door.
•
The hopper can be emptied in the low
position; however, the angle of the
hopper may not allow all the debris to
slide out easily.
High/Low Gear
•
High or Low gear is selected using the
paddle switch on the console.
•
When transporting, use high gear
which has a speed range of 0-10mph.
•
When sweeping, use low gear which
has a speed range of 0-5 mph.
Applying the Park Brake
•
When parking the machine or exiting
the operator seat, apply the parking
brake.
•
The parking brake is applied using the
paddle switch located on the console.
•
The park brake is automatically
applied when the operator is out of the
seat.
Machine Display
•
While operating machine, pay
attention to machine display to ensure
proper temperature and fluid levels.
Tipping Angle
•
Never operate the machine on an
incline greater than 20°.
•
Never raise the hopper on an incline
greater than 10°.
Accessing Paddle
•
If the paddle becomes plugged or
needs cleaned, see instructions in
Maintenance section to access paddle.
Sweeping Performance
The Harper Hawk HK4400 has superior per-
formance when sweeping and collecting the
following items at the listed saturation levels.
Material
Saturation Level
Grass Clippings
50%
Aeration Cores
up to ½” (1.27 cm)
diameter
50%
Leaves
100%
Pine Needles
100%
Pine Cones
100%
Verticut Thatch
50%
Twigs ½” (1.27 cm)
x 18” (45.72 cm)
100%
For reference, the saturation levels are de-
fined as the following: 100% - material is
water logged and will not soak up any more
moisture; 75% - Material feels wet still, no
water running out of it; 50% - material has no
-
ticeably dried since operation was complete.
After Operation
Allow engine to run at low engine speed to
properly cool before turning machine OFF.
Make sure engine, deck and hopper areas
are clear of all debris.
Storage
Ensure that the deck, hopper, and door are in
the down or closed position. Make sure that
the machine has properly cooled and is NOT
a potential fire hazard.
17
