TABLE 7 TABLE OF PROGRAMMED MAINTENANCE

OPERATION

8 h

50 h

300 h

END

 

 

 

 

OF SEASON

 

 

 

 

 

Check the level and state of the oil

0

 

 

 

Check the accumulator pressure

 

0

 

 

Check the suction (hoses, pipes, unions)

 

0

 

 

Check and clean the suction

0

 

 

 

and delivery filters

 

 

 

 

Check the pump fixing feet

 

0

 

 

and screws in general

 

 

 

 

Check the diaphragm and the oil

 

 

X (1)

X (2)

and change if necessary

 

 

 

 

Check the suction/delivery valves

 

 

X

X

Check the pump screws and bolts are tight

 

 

 

X

Check and clean the nozzles and the non-drip diaphragm

0

 

 

 

Check the wear of the nozzles

 

 

0

 

Check the hydraulic oil level

 

0

 

 

Check any failures or cracking of the welds,

 

 

 

0

especially on herbicide booms

 

 

 

 

Grease the articulated joints and the wheel hubs

 

0

 

 

Check the tyre pressure

 

0

 

 

NOTE: 0 Operation to be carried out by the operator

 

 

 

 

X Operation to be carried out by a specialised technician or in an authorised workshop

(1) First oil change

(2) Change at the same time a changing the diaphragm

TABLE 8 PROBLEMS, CAUSES AND SOLUTIONS

PROBLEMS

CAUSES

SOLUTIONS

The pump won’t charge

Air suction

Check the suction system

 

Adjustment valve closed

Position the lever correctly

 

(Command group isn’t at

 

 

zero pressure)

 

 

Valves and/or valve seats

Replace or clean ( * )

 

suction and delivery worn

 

 

or dirty

 

The pump doesn’t reach the set

Valve and/or valve seat

Replace ( * )

pressure

adjustment worn

 

 

Valves and/or valve seats suction

Replace or clean ( * )

 

and delivery worn or dirty

 

 

Insufficient rpm

Bring speed up to correct rpm

 

 

always in the field of 350 ÷ 550 rpm.

 

The nozzles used are worn or have

Replace

 

holes that are too big

 

 

Suction blocked

Clean the cartridge of the

 

 

filter or remove the blockage

Irregular pressure (with impulses)

Valves and/or valve seats

Replace or clean ( * )

 

suction and delivery worn

 

 

or dirty

 

 

Air suction

Check the suction system

 

 

 

Excessive vibrations at delivery

Pressure accumulator discharged

Bring the air pressure back up to the right

 

or incorrect air pressure

value (see pump handbook) ( * )

Noisiness and the level of the oil

Blocked suction

Check the suction system

has dropped

 

 

Water in the oil

Breakage of one or more diaphragms

Replace ( * ) If the replacement isn’t

 

 

done immediately, drain the water out

 

 

of the pump and introduce clean oil

 

 

without water (also used) or diesel to

 

 

stop rust attacking the internalparts

No liquid comes out of the nozzles

Delivery filter dirty

Clean

 

Non-drip filters dirty

 

 

Nozzles blocked

 

NOTE: ( * ) Only specialised technician

 

 

unigreen 33

Page 33
Image 33
Unigreen P500, P600, P300, P400 manual Table of Programmed Maintenance Operation, 50 h 300 h

P400, P300, P500, P600 specifications

Unigreen is a leading manufacturer in the agricultural machinery sector, known for its innovative solutions that meet the growing demands of modern farming. Among its impressive lineup, the Unigreen P400, P300, P600, and P500 series have garnered attention for their advanced features, cutting-edge technologies, and exceptional performance.

The Unigreen P400 is a versatile sprayer suitable for medium to large-sized farms. One of its key features is the high-capacity tank that minimizes the need for frequent refills, allowing farmers to cover substantial areas in a single pass. The sprayer is equipped with advanced precision technology that ensures uniform application of chemicals, which is crucial for maximizing crop yield while minimizing waste.

On the other hand, the Unigreen P300 is designed for smaller operations but does not compromise on performance. It boasts a compact design that makes it easy to maneuver in tight spaces. Its lightweight construction facilitates transport, and it incorporates user-friendly controls that enhance the operational experience for farmers. The P300's efficient spraying system reduces drift, ensuring that chemicals are applied exactly where needed, thus protecting the surrounding environment.

Moving onto the P600 model, this sprayer is engineered for large-scale agricultural operations. It features an extensive range of customizable options that cater to specific farming needs. The P600's robust build is complemented by powerful engines that ensure reliability even in demanding conditions. Additionally, it incorporates state-of-the-art GPS and automated guidance systems, allowing for precise inter-row spraying and reducing overlap—this significantly improves efficiency and decreases operational costs.

Lastly, the Unigreen P500 bridges the gap between the P400 and P600, offering advanced technology in a slightly smaller package. One of its standout characteristics is the innovative boom design that provides exceptional stability in various terrains. The sprayer includes advanced monitoring systems that track performance metrics in real-time, enabling farmers to make informed decisions while in the field.

Overall, the Unigreen P series sprayers are distinguished by their user-centric designs, technological advancements, and high-performance capabilities. Their commitment to sustainability and efficiency makes them an excellent investment for progressive farming operations looking to enhance productivity and optimize resource use. Unigreen continues to innovate, ensuring that their products remain at the forefront of agricultural technology.