Finn Bark Blower BB1216, Инструкция оператора и каталог запасных частей

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9. With a firm grip on the end of the hose, press the material start button on the RRT.
10. Floor speed can be adjusted for the desired flow. Watch for auto-reversing of the airlock
as well as shock waves through the hose. Listen for the relief on the blower. Partial plug-
ging in the airlock discharge or hose may cause it to open, causing a high-pitched whine
indicating over-feeding of the airlock.
11. Use the engine rpm button on the RRT to decrease and increase air and material flow. A
lower engine rpm may require a lower floor speed to avoid auto-reversing or plugging.
12. At the end of the load, press the material STOP button and shut down the engine.
BARK BLOWER ADJUSTMENTS
The Bark Blower has been designed to be as simple as possible to operate. The feed roll and
airlock are designed to create a smooth, consistent flow of material from the hopper to the dis-
charge. The agitator has been designed to eliminate possible material bridging in the hopper and
to help improve mulch consistency as it enters the feed roll chamber. However, material condi-
tions can change from one load to the next or from one day to the next. The only adjustment the
operator should have to make is to the drag conveyor speed. Adjusting the floor speed will allow
the Bark Blower to efficiently convey many different types of mulch.
Knowing when and how much to adjust the floor is the key to maximizing the machine’s perfor-
mance. The floor conveyor speed is controlled by the Floor Speed Toggle Switch on the electrical
control box, and by the Material Feed Toggle Switch on the Radio Remote Transmitter (RRT). The
floor speed can be adjusted from 0% to 100% on the Floor Speed display with 0% being the slow-
est (0 rpm) and 100% being the fastest (approx. 8 rpm). For most materials, a setting of 30% is
a good starting point. The floor speed can be increased (5% increments are recommended) until
certain warning signs appear. They include the following:
A. CONSISTENT HOSE SHOCK
The Bark Blower uses a large amount of air to blow the mulch material through the discharge hose,
which can become difficult for an operator to handle. If rough shock waves become consistently
tough on the operator at the end of the hose, the floor can be turned down to smooth out the flow
of material into the airlock. Cutting back on the engine rpm can also smooth out the hose since
there will be less air being pumped through the hose. Hose shock is usually due to partial plugging
around the discharge. When the material gets dislodged, the larger clumps are shot through the
hose and can make it jump significantly.
Another adjustment that could help with hose shock is the airlock speed itself. Refer to the Airlock
section of the Material Feed System starting on page 11 for instructions on how to adjust the
airlock speed. Certain materials may run more smoothly with a faster or slower airlock. Generally,
the airlock should not be run any slower than 8 rpm and can be adjusted up to 15 rpm.
B. EXCESSIVE AUTO-REVERSING
If the airlock starts to auto-reverse regularly (more than three times a minute), then the airlock is
being overfed and the floor should be turned down. Excessive auto-reversing leads to less pro-
duction than if the floor was turned down to a lower speed. This condition will occur more often
with green stringy mulch, or less-processed material that contains larger chunks of wood that the
airlock may have to cut.