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6 33014815(1)2005-07 A
MACHINE DESCRIPTION
Standard machine description
(See Fig. F)
1. Seat
2. Steering wheel
3. Frame
4. Bumpers
5. Hopper hood
6. Hopper
7. Right side lid
8. Seat supporting hood
9. Left side lid
10. Engine hood
11. Right side broom
12. Rear axle
Description of the machine with cab
(See Fig. G)
1. Seat
2. Steering wheel
3. Frame
4. Bumpers
5. Hopper hood
6. Hopper
7. Right side lid
8. Seat supporting hood
9. Left side lid
10. Engine hood
11. Right side broom
12. Rear axle
13. Cab
Frame
Rigid, composite supporting frame on rectangular plan,
consisting of electrically welded steel plates.
The mechanical components of the machine are suitably
sized, according to a 1.4÷1.5 factor, to withstand the dynamic
stress due to the machine operation (supporting frame, hubs,
axles, hopper supporting and lifting system, etc.).
Hopper
The hopper is fitted on the front side of the machine and
connected to the frame by means of a hinge.
A hydraulic cylinder lifts and overturns the hopper when the
waste is to be dumped at a height. The lower part has a
hinged skirt, operated by a hydraulic cylinder, which closes
the hopper while the waste is being dumped. The front side
has two fans operated by a motor. These fans create a
vacuum inside the hopper and in the main broom
compartment. Inside it, there is a polyester closed pocket filter
connected to an electric filter shaker.
On the front right side there is a side broom whose rotation is
operated by a hydraulic motor, while its lifting and lowering
are operated by a hydraulic cylinder.
It is possible to install a side broom on the left side as well and
a third broom for corner cleaning.
Main broom
It consists of a sweeping roller whose rotation is operated by
a hydraulic motor and whose lifting and lowering are operated
by a hydraulic cylinder. It is automatically adjusted by the
self-levelling device.
Engine
The engine, a diesel Lombardini LDW 1003, drives the
hydraulic system pumps.
Front wheels
– Pneumatic wheels
– Superelastic wheels
– They are independent, fastened to the frame by means
of a hub with built-in brake drum. The brakes are
hydraulic. The parking brake is mechanical.
Rear wheels
– Pneumatic wheels
– Superelastic wheels
– The rear axle is driving and steering. The steering is
operated by a hydraulic cylinder connected to the power
steering. A hydrostatic variable delivery pump with
servoassisted control supplies a drive hydraulic motor
for forward and reverse gear.
Dashboard
Fitted on the upper part of the frame and under the steering
wheel, the dashboard houses the machine warning lights and
instrumentation.
Joystick
This is a new system, fitted on sweepers for the first time, by
means of which all the controls are grouped together in a
single lever. The push-button switches located on the joystick
perform all of the machine operational functions.
Hydraulic system
In the first circuit a variable delivery pump feeds the drive
hydraulic motor (rear wheel). The forward and reverse drive
are adjusted by a hydraulic assist operated by a pedal.
In the second circuit a gear pump feeds the power steering
and a distributor which controls: the hopper lifting cylinder, the
side broom lifting and rotation cylinder, the skirt opening and
closing cylinder; the power steering controls the steering
cylinder.
In the third circuit the gear pump feeds a distributor which
controls the main broom lifting/lowering and rotation cylinder
and the fan hydraulic motor rotation.
All circuits are protected by suction filters and safety valves.
Electrical system
12 V electrical system. The circuits are protected by lamellar
fuses housed in a relevant fuse box.