TRUCK MIXER DB 3000/4000/4500 HYDROSTATIC
GB
User Manual Rel. 4 of 11/07/18
Page 16 of 20
7.6.5
Water system
-
When there is danger of frost, drain all water from the system, including the pump
- For
the various manoeuvres see “Operating scheme - water system” (7.3) - Do not run the water pump dry.
The machine is the exclusive responsibility of the operator, which is the only one authorized to manoeuvre it.
Special precautions: Do not
carry people;
Do not
turn the drum with hardened concrete;
Do not
drive with the drum raised or with the seat turned towards the drum;
Do not
abruptly reverse the direction of
rotation of the drum;
Do not
lower the shovel when the extension is inserted;
Do not
insist on the control levers when their
cylinders have attained the end of the stroke;
Do not
abruptly
brake or swerve at high speed;
Do not
tolerate the presence of
others within the range of the machine;
7.6.6 In action on the construction site.
Lift the drum (for unloading) only on firm level ground.
On sloping terrain, do not place the machine next to the slope and do not unload in that position, because you are likely to tip
over.
Maintain, on steep slopes, the opening of the full-loaded drum always facing upstream.
Start the inversion of the rotation
of the drum only with the engine idling.
Every time you leave always leave the machine safely, that is with the bucket on the
ground, the drum lowered, the motor stopped and the ignition key removed, the handbrake set. Drive always with the drum
behind the driver’s seat.
SAFETY STANDARDS
The driver of public works vehicles, in order to work profitably and safely, must have experience of
mechanical means, know the various commands, the operational characteristics as well as the stability of the machine
entrusted to him and possess an adequate sense of prudence and skill. A risky manoeuvre, out of laziness or to save a few
minutes, could also result in a serious accident with subsequent stopping of the whole construction site.
Never tow the truck mixer on the road. Use appropriate means of transport.
8.
MAINTENANCE
The machine does not require any particular maintenance work.
The technical solutions and the components installed on the machine reduce the maintenance works at the
minimum. However, we recommend to carry out a series of operations, which aim at ensuring safety, liability
and efficiency of the machine for a long period of time.
During maintenance
Work on the machine only after having placed/parked it in the area defined in point 5.2
Placing
and how to leave the machine. In the event of mechanical or electrical problems, contact the authorized
personnel. If the machine is out of service due to equipment failure, maintenance or repair, place a special sign to
highlight this status and remove the ignition key.
Always use personal protective equipment during repair and replacement of the machine parts.
Electrical work must be performer only by authorized personnel.
Works on the engine must be performed only by authorized and skilled personnel.
Do not place hands, arms or body parts near the handling and transmission area. Use a suitable device to remove debris
(brush, wooden piece, etc.):
never use your hands!
Regular maintenance of the mechanical and electrical machine parts extends the live of the machine, ensures best
performances and is an important safety factor.
8.1
Routine and extraordinary maintenance
In the run-in period (50 hours).
Do not force the engine and avoid intensely exploiting the machine performances.
Clean the hydraulic oil drain filter after the first 20 hours.
Check for leaks of hydraulic oil, brake oil, clutch oil, lubricants of various mechanical assemblies. Check tightness of all the
bolts, in particular the fixing of the wheel rims, after the first 20 hours.
Change the motor oil and perform the other operations provided by the manufacturer (see motor instruction booklet provided in
the annex to this manual).
Perform all daily, weekly, fortnightly and successive maintenance operations, a listed below.
8.1.2
Daily maintenance at the end of the work
Eliminate any anomaly that had occurred.
Thoroughly clean the inside of the drum in order to avoid the formation of incrustations. With a strong jet of water wash the
outside of the machine, to remove any residue. Grease all lubrication points, with the engine stopped and the drum in home
position. Carefully check the tire condition. Check the condition of the brakes.
Remove any debris from the driver’s
seat.
DO NOT wash with high pressure jets electrical parts and control elements.
8.1.3
Weekly maintenance
Check the oil level of the brakes, clutch oil, hydraulic oil with the engine stopped and the booms down.
Always remember that the oil is a special waste and must be disposed of in accordance with the law.
Check the fluid level of the battery. Check the belt tension of the blower fan.
Wash the engine air filter and fill the pan up to level with oil. Check the condition of the drive belts.
8.1.4
Maintenance to be performed every 15 days
Check free travel of the brake pedal, normal value is 20/25mm
.
Check the travel of the handbrake lever, it must block with an effort not less than 10Kg.
Clean the hydraulic oil drain filter and the tank breather cap.
8.1.5
Maintenance to be performed every 100 hours of work
Replace the motor oil, see the instructions of the manufacturer. Replace the fuel filter cartridge.
Replace the suction filter cartridges inside the hydraulic oil tank.
8.1.6
Maintenance to be performed every 2000 hours of work
Replace the two suction filter cartridges inside the tank.
Replace hydraulic oil after cleaning the magnetic drain plug. Replace the oil exhaust filter.
Always remember that the oil is a special waste and must be disposed of in accordance with the law.
