CARLOTTI SPRING 750/35 User manual

USE AND MAINTENANCE MANUAL
CARLOTTI G.&C. SNC
VIA GHIARADINO 2 –40054 VEDRANA DI BUDRIO (BO) ITALY
TEL: [phone] FAX: [phone] www.carlotti-g.it - [e-mail]

TABLE OF CONTENTS
1 WARNINGS
1.1 Safety
1.2 Safety signs (pictograms) applied to the SPRING ALX-RH machine
1.3 Conformity documentation
2INFORMATION
2.1 Data of the manufacturer and of the machine SPRING ALX-RH
2.2 Technical data
2.3 Purpose of the machine and envisaged conditions of use
2.4 Operation
2.5 Operators
2.6 Transportation
3INSTALLATION AND USE
3.1 Preparation of the machine SPRING ALX-RH
3.2 Connection of the machine to the tractor tow eyelet
3.3 Controls/electrical panel
4ASSEMBLY/DISASSEMBLY/ADJUSTMENT
4.1 Assembly and disassembly of belts
4.1.1 Collector belt
4.1.2 Defoliator belt
4.1.3 Hedgehog belt
4.2 Assembly and disassembly of plowshares frame
4.3 Assembly and adjustment of mower discs
4.4 Assembly and disassembly of onion harvester equipment
4.5 Assembly of off-loader for undersized product recovery
5ORDINARY MAINTENANCE
5.1 Daily maintenance
5.2 Lubrication
5.3 Change/top up of oil
5.4 Greasing
5.5 Storage
6SAFETY SYSTEMS
6.1 Noise
7REPAIRS
7.1 Ordering spare parts

1. WARNINGS
This manual was created to provide all the information necessary to use the equipment correctly and
safely, and to maintain it.
It is essential to read this manual before using the SPRING 750/35 model potato digger and
harvester/onion harvester machine.
Keep this manual even after fully reading it, so that it is always available for the clarification of any
uncertainties.
This manual is an integral part of the machine and must be kept with care for the entire
working life of the machine. In case of loss, contact the Manufacturer and request a new copy.
In case of problems in understanding this manual or parts of it, it is highly recommended to contact
Carlotti G.&C. Snc Via Ghiaradino 2 –40054 Budrio (BO) Italy tel. [phone] –fax +39 051
6929110
1.1 Safety
To avoid an accident it is important to recognise potentially dangerous situations!
1- It is advisable to familiarise yourself with this manual and with the machine before using it. During
reading, it is advisable to pay particular attention to the movements of the mechanisms, to their
adjustment and maintenance.
2- Before and during work, refrain from using alcohol, drugs or other substances that could alter
physical and mental abilities.
3- Before using the machine, carefully check the correct operation of the machine and of the tractor.
Keep unauthorised persons away from the work during use.
4- During use the speed must be adequately limited, and special precautions must be taken during field
entry and exit manoeuvres.
5- During breaks and at the end of processing, make sure that the machine has been disconnected
from the tractor and is resting on the foot. The tractor must be switched off and with the keys
disengaged from the panel.
6- It is advisable to exercise special precautions when connecting the machine to the tractor.
7- Repairs, adjustments, cleaning and maintenance must be carried out with the engine switched off
and with the keys removed from the panel.
Most of the accidents that occur when working with machines or equipment and during their
maintenance and repair are due to failure to comply with basic safety precautions. Many of
these accidents occur during movement of the tractor - equipment complex on the road and
within the company premises.
The following are strictly forbidden:
-To use the machine without having carefully read the use and maintenance manual.
-Lubricate, adjust or repair when the machine is connected to the tractor.
-To use the machine or a tractor when they are not fully functional.
-To allow persons who are not competent and therefore not authorised to use the machine and the
tractor.
-To perform sudden inversions, abrupt or imprudent manoeuvres.
-To leave the tractor and the machine in the working position.
-To work on slopes and hills without exercising the necessary precautions.

-To transport persons during the stages of machine transport, for entering and exiting the field, of
transferring, connecting to the tractor, of positioning on the furrow, of adjusting, repairing, during
inversions and manoeuvres, and in any other case where the safety of operators on board might be
endangered.
In any movement of the tractor-machine complex it is always necessary to bear in mind and
carefully follow the rules of the Highway Code.
To improve circulation within the farm it is necessary: to install traffic signs on the internal
roadways to ensure that there is sufficient space in the courtyard area to carry out reversal
without using the reverse gear and to distinguish the transit areas of vehicles from pedestrian
routes with visual signs and signals.
The Manufacturer Carlotti G. & C. Snc declines all responsibility for damage to persons or
property resulting from improper use of the equipment or from inexperience, imprudence or
negligence and failure to comply with these instructions.
Personnel who use or operate the equipment must be competent and must be in perfect physical and
mental condition.
They must also be specialised, trained, informed, instructed and qualified in all aspects of use and
maintenance of the equipment.
All other persons are considered unauthorised.
During use, but especially during maintenance and repair, it is essential to use the Personal Protection
Equipment, that is the following work clothing:
-Work overalls and/or comfortable clothes, but not too large and bulky in order to prevent certain
parts from becoming caught in moving gears and/or parts.
-Safety shoes.
-Hat and goggles for protection from the sun.
-Protective gloves for hands, where this does not constitute a danger of entanglement, gripping or
dragging.
-Glasses or masks for the protection of face and eyes.

1.2 Safety signs (pictograms) applied to the SPRING 750/35
It is forbidden to remove, conceal or make illegible the plates and stickers that indicate use of the
controls and that indicate a danger.
Symbol
Description
Before carrying out any maintenance and/or repair work
on the machine, read the use and maintenance manual,
stop the tractor engine and remove the ignition key.
Danger of cutting and crushing. ATTENTION! Remain
at a safe distance.
Entanglement and dragging. ATTENTION! Remain at a
safe distance.
Greasing points where it is necessary to intervene
periodically.
ATTENTION
-Do not remove guards and safety devices.
-Do not carry out checks, maintenance, repairs, adjustments and greasing operations on moving
parts and with the machine in motion and/or connected to the tractor.
1.3 Conformity documentation
The drafting of this manual takes into account the Community directives for the harmonisation of safety
standards for the free circulation of industrial products within the EEC (EEC Council Directive
2006/42/EC and subsequent amendments known as "machine directives").
The purpose of this manual is to provide the operator with the instructions to safely perform use and
maintenance of the SPRING 750/35 machine; in case of uncertainty, contact the manufacturer CARLOTTI
Day& directly. C. SNC

NOTIFICATIONS
In the preparation of this manual particular symbols have been used to attract the reader's attention
from time to time to dangerous conditions and to the safety of persons and property.
DANGER
ATTENTION
WARNINGS

2. INFORMATION
INTRODUCTION
This chapter provides the data of the manufacturer and of the machine. This information is essential
for all persons who use the equipment.
2.1 Date of the manufacturer and machine SPRING 750/35
On the front of the machine frame (Fig. 1) the identification plate is provided with the following data:
-Name and address of the manufacturer
-Model of the machine
-CE marking that certifies the conformity of the equipment with the EEC directives (EEC Council
Directive 2006/42 EC and subsequent modifications known as "machine directives").
-Serial number for internal identification of the machine
-Equipotentiality frame
-Year of manufacture
Fig. 1 –Machine Identification Plate
2.2 Technical data
Length
Mm
8226
Width
Mm
2650
Height
Mm
3003
Weight
Kg
4400
Required power
CV
80
Maximum hopper capacity
Ton
3.5
Hopper discharge height
mm
3950 max
700 min
Tractor PTO
Revs/1’
540
Adjustment of PTO during work
Revs/1’
400 max
200 min
Operating pressure
Bar
100
Maximum valve calibration
Bar
160
Forward speed
km/h
3
Gearbox
group 3, ratio 1:3,8.
Right double pump
Gr 3+2 33cc + 11cc
Total quantity of oil
Lt
180

2.3 Purpose of the machine and envisaged conditions of use
The SPRING 750/35 machine was designed, built and supplied to the customer solely for the purpose
of digging and collecting only one row of potatoes or, using a special device supplied by the
manufacturer, to collect onions that have previously been dug up and windrowed (up to a maximum
working width of 75 cm). Any other use of the machine is to be considered improper.
It is strictly forbidden to modify the machine or parts of it, intended then for a use different to
that envisaged and specified in this manual.
The machine must be connected to the tractor (minimum required power: 80 HP) through the drawbar
and receives motion from the pump unit connected directly to the PTO of the tractor.
The machine is designed to be towed by the tractor. Any other connection is to be considered
improper.
The machine cannot be used on slopes of more than 20%.
2.4 Operation
The gearbox and pumps group, drawing oil from the tank, puts into operation the other hydraulic
parts, start-up and adjustment (belts and cylinders).
The SPRING ALX-RH is recommended for small and medium-sized farms; for workers who need to
collect the product quickly enough without mistreating it; for workers who need to unload in trailers;
for workers who need to collect onions that have been previously dug up and windrowed.
2.5 Operators
The SPRING 750/35 machine is designed to have a maximum of 6 operators on board, 3 positioned
on the left side of the sorting table and 3 on the right side.
It is absolutely forbidden to increase the number of operators on board.
Every time a manoeuvre must be carried out in and out of the field, connected to the tractor, for
positioning on the furrow, alignment in the field, maintenance, adjustment, no operators must be on
board and/or near the machine (distance min 3 mt).
Whenever it is necessary for operators to climb onto and/or leave the machine, the following are
required:
-The machine must be absolutely stationary, in a horizontal position and on a level surface.
-The operators must always firmly grip the handrails during the ascent and descent phases.
-The operators must wear safety shoes with anti-slip soles.
Every operator on board must be equipped with overalls and comfortable clothing, but not too large
and bulky in order to prevent certain parts from becoming entangled in moving gears and/or moving
parts, protective gloves for hands and goggles or masks for face and eye protection (see the safety
instructions presented in Chap. 1) are active.
The operators on board have the sole and only function of selecting the product on the work table
(sorting belt) and adjusting the speed of the belts (harvester, hedgehog, rotating roller, main sorting

secondary sorting); adjust the inclination of the hedgehog belt structure through the adjustment buttons
located on the machine at the sorting table, and if necessary lock/release the machine if necessary by
pressing the emergency mushroom.
Any other operation is to be considered improper and must only be carried out by trained and
qualified personnel.
The tractor driver has the task of operating the machine and controlling its movements. They must be
trained, instructed and informed about use of the tractor and the tractor-equipment complex, and must
become familiar with the main control panel. The tractor in fact has the task of controlling and
operating all the movements of the machine and of its parts.
Qualified technician, who has the task performing recording, regulation and maintenance of the
machine and of its parts. They must be competent, trained, instructed and informed about the
maintenance and adjustment of mechanical parts.
2.6 Transportation
The dimensions of the machine allow loading onto tractors, trailers, trolleys and into containers of a
min. 40 feet.
The machine loading and unloading operations must be carried out by qualified technical personnel
who are able to operate in a suitable manner and in conditions of full safety in the use of a bridge crane
or of any other towing and/or lifting means.
When the machine is being shipped and/or towed out of the work field and/or in any other transfer
phase, the following are:
-The mechanical stop of harvester descent must be inserted.
-Position the machine on the support foot

3. INSTALLATION AND USE
All assembly, disassembly and installation operations must be carried out with the machine completely
detached from the tractor and positioned on the ground on the support foot in a horizontal position.
Do not perform this type of operation on slopes or in other places that do not ensure total stability of
the machine.
Proceed as follows:
-wear work gloves, goggles or protective mask, and safety shoes
-follow the rules for personal safety presented in the first chapter
3.1 Preparation of the SPRING 750/35 machine
Personnel assigned to use in the field of the machine should proceed in the following manner, before
using the machine in the field:
-Check the oil levels in the gearbox and in the tank.
-Perform a general servicing of the machine, paying particular attention to the fact that all the
accident-prevention parts have been reassembled correctly (if disassembled for
transportation/shipping needs) and are functioning well before connection to the tractor.
-Check the tyre pressure
-Check correct operation of the belts and of the hopper
-Check that the tractor to be used is perfectly efficient
3.2 Connection of the machine to the tractor tow eyelet (Fig. 2)
Proceed as follows:
-Wear work gloves
-Make sure the machine is resting on the support foot and on perfectly level ground
-Bring the tractor closer to the machine so that the tractor towing hook hole corresponds to the
machine towing eyelet.
-Switch off the tractor and remove the keys from the panel
-Lock the connection by inserting the connection plug, and securing it at the end with a split pin
-Connect the gearbox/ pump unit to the tractor PTO and to the machine, then secure it with the
appropriate chain.
-Connect the power plug to the tractor.
Once the connection phase has been completed, manually lift the support foot by turning the crank
handle, operate the machine at a reduced speed and pay attention to correct operation of the towing
elements and of the conveyor belts.
Fig. 2 –Eyelet and connection to the tractor

The machine must be connected to a tractor with a power take-off at 540 rpm and with
clockwise rotation.
Connecting the SPRING 750/35 machine to a PTO at 1000 rpm would mean irreparable
damage to the hydraulic system and to the mechanical rotating parts.
3.3 Controls/electrical panel (Fig. 3)
The electro-hydraulic system of the machine is controlled by the supplied control panels.
It is strictly forbidden to modify or alter the hydraulic functions of the machine.
Control panel (located on the tractor):
1- Drawbar movement lever (right/left)
2- Wheel movement lever (right/left)
3- Collector movement lever (raise/lower)
4- Bunker movement lever (raise/lower)
5- Bunker lifting movement lever (open/close)
6- Pack handling lever (raise/lower)
7- Engine start and stop lever (On/Off)
8- Bunker belt start and stop lever (On/Off)
Fig. 3 –Control Panel
ATTENTION
ATTENTION !

The following are positioned on the selection table:
•no. 5 distribution levers to increase or decrease the speed of the belts (harvester, hedgehog,
rotating roller, main sorting and secondary sorting). (Fig.4)
•No. 1 secondary electrical panel for adjustment of the inclination of the hedgehog structure and
an emergency mushroom button for belt stop. (Fig. 5)
Figs. 4 and 5 - Distribution levers, hedgehog inclination panel and
emergency mushroom

4. ASSEMBLY - DISASSEMBLY - ADJUSTMENT
All assembly, disassembly, adjustment and repair operations must be carried out with the machine
completely detached from the tractor (disconnect the gear box and pumps group and the drawbar), and
positioned on the support foot in a perfectly horizontal position.
Do not carry out this type of operation on slopes or in other places that do not ensure complete
stability of the machine.
For each type of assembly, disassembly, adjustment, ... always proceed as follows:
•Wear work gloves, goggles or a protective mask, and safety shoes to protect hands, face, eyes and
feet.
•Follow the personal safety rules presented in the first chapter of this manual.
•Make sure that the machine is perfectly horizontal with respect to the work surface, and completely
detached from the tractor.
4.1 Assembly and disassembly of belts
4.1.1 Collector belt
•Lock the moving part of the harvester upwards, making sure that it does not descend during
assembly/disassembly of the belt.
Disassembly;
1- Rotate the belt until the hinged joints are in the slower position
2- Bring together the two ends of the belt by means of a cord and slide out the connecting rod, using
a hammer and a drift-punch. Once the rod has been removed from either side, it will be possible
to
extract it completely using snap lock pliers.
Assembly:
1 - Bring together the two ends of the belt with a rope and proceed with insertion of the rod
junction rod (point 1,) from one of the two sides.
4.1.2 Defoliating belt
•Lock the moving part of the harvester upwards, making sure that it does not descend during the
belt assembly/disassembly phase.
Disassembly;
1 - Proceed as in para. 4.1.1, point 1
2 - Bring together the 2 ends with a rope, and loosen the fixing screws to free the belt
Assembly:
1 - Bring together the 2 ends with a rope, and proceed by tightening the fixing screws.

4.1.3 Hedgehog belt
To remove the hedgehog belt, it is necessary to disconnect and remove the entire frame from the rest
of the machine. (Fig. 6)
Fig. 6 –Hedgehog frame
Disconnect and remove the hedgehog frame only after having removed the cleaning systems - rotating
rollers, the hydraulic hoses, the tilting arms of the belt and the sheeting with rubber flaps positioned on
the sides of the hedgehog belt.
Once disconnected, the frame must be positioned on two 4-foot trestles, in order to easily disassemble
the belt.
Disassembly; (Fig. 7)
•Loosen the two tensioning straps on the belt
•Remove the 2 idle rollers
•Take the belt out, pulling it out of the hydraulic motor first.
Fig. 7 –Tie-rods and guide rollers of the Hedgehog
frame
Assembly:
•Insert the belt into the frame, performing in reverse the disassembly operations

•Fit the two idle rollers and the relative tie rods
•Assemble the strips
After assembly, make sure that the following conditions occur:
1- the axis of the motor and the axis of the two rollers are in a perfectly parallel position
2- the hedgehog belt is not excessively taut.
It must swivel at the slower point of approximately 10 cm.
After assembling the belt:
Replace the hedgehog belt on the machine, and secure it. Then reassemble the sheets with flaps, the
inclination arms of the belt, and the cleaning systems. Finally reconnect the hydraulic pipes.
4.2 Disassembly and assembly of the plowshare frame (Fig. 8)
•Lock the moving part of the harvester upwards, making sure that it does not descend during the
plowshare frame assembly/disassembly phase.
Fig. 8 –Plowshares frame
The plowshare frame is fixed to the machine by 2 ties with 2 screws each.
Disassembly;
•Loosen and remove the 4 screws, then remove the plowshare frame
Assembly:
•Secure the frame by inserting the screws and tightening the nuts.
4.3 Assembly and adjustment of mower disks (Fig. 9)
ATTENTION

•Make sure that the machine is perfectly horizontal with respect to the work surface, completely
detached from the tractor. Never perform this type of operation while the machine is operating.
Danger of cutting.
•Lock the moving part of the harvester upwards, making sure that it does not descend during
assembly/disassembly/adjustment of the discs
Fig. 9 –Mower discs
Adjustment:
To adjust the depth of the discs act on the 2 tensioners.
•By screwing or unscrewing the 2 tensioners, the disc can be raised or lowered
The depth of the discs must be minimal, in order to guarantee the simple linearity of
penetration of the harvester.
An excessive depth causes will cause malfunctioning of the digging equipment as it does not maintain a
constant depth.
There is also a risk of causing torsions and probable breakages within the support structure of the disc.
4.4 Assembly and disassembly of the onion collection equipment (Fig. 10)
The onion collection equipment is an optional element of the machine and is supplied to the customer
upon request and relative order, during the contractual phase.
In the event that the machine is also equipped with onion collection equipment, proceed as follows to
replace it with the potato equipment:
•Lock the moving part of the harvester upwards, making sure that it does not descend during the
equipment assembly/disassembly phase.
WARNINGS

Fig. 10–Onion Equipment
Disassembly;
•Hook the moving part of the harvester with cables and straps to a lifting device. Raise until the
cables or straps are taut and support the harvester.
•Loosen and unscrew the 8 screws that connect the front block (potato equipment) to the harvester,
release and remove. Place the potato equipment on a pallet, clean it, cover it and protect it from the
effects of weathering.
•Release the plowshare frame, disassembling it as described in para. 4.2. and also place it on a pallet.
•Connect the onion collection equipment to a lifting device with cables and straps. Lift until the
cables or belts are tensioned and move closer to the moving part of the harvester.
•Fix the equipment, inserting and tightening the 8 screws
•Hook the pipes into the tractor quick couplings (no. 1 delivery pipe and 1 exhaust pipe)
Assembly:
•Perform the assembly operations in reverse

5. ORDINARY MAINTENANCE
All maintenance, adjustment, cleaning, lubrication, greasing and repair operations must be
carried out with the machine completely detached from the tractor and resting on the support
foot on level ground. Do not perform this operation on slopes or in other places that do not
ensure complete stability of the machine
5.1 Daily maintenance
Every day, after using the SPRING 750/35 machine, the qualified technician must:
-Clean it from dirt, dust and leaves.
-Perform a general service of the machine paying particular attention to the oil level (in the tank in
the gearbox and in and top up if necessary.
-Replace or repair damaged items.
5.2 Lubrication
•Always read the warnings and precautions indicated on the lubricant packaging.
•Always use gloves for hand protection.
•Before lubricating, carefully clean the grease nipples to prevent sludge, dust or other foreign objects
from mixing with grease, decreasing or even cancelling the lubrication effect.
•Avoid any contact with the skin.
•Wash hands thoroughly after use.
For lubrication use the recommended products listed below:
- Hydraulic oil ISO 46 to top up the tank
- Gearbox oil 80W90 to top up the gear box
- Grease GRIS 30 for supports/rollers/... as indicated by the appropriate graphic sign (see symbols
table paragraph 1.2)
5.3 Changing the oil/topping up
-Make changes only inside the workshop, if any, or in specifically designated places. In any case, the
flooring should be waterproof.
-Replacement of the used oil or the top-up operations must be carried out under conditions of
maximum safety and hygiene to avoid a situation whereby approximate operations or unsuitable
technical means produce spills on the ground and in the water.
-The used oil must be stored, before being transferred to the company responsible for collection, in
suitable containers to store it in suitable conditions, eliminating the risks of breakage and spillage.
DANGER
ATTENTION

1- TOPPING UP THE TANK: (Fig. 11)
Before topping up the tank the operator must:
•Check that the machine is horizontal with respect to the ground
•Fully disconnect the machine from the tractor
•Top up until half of the level indicator is reached
Never exceed the maximum permitted level.
During work the oil temperature of the tank is normally between 55°C and 65°C; if the value should
increase dramatically, immediately contact the distributor, authorised service centre or the manufacturer
Carlotti G.&C. SNC
During work, make sure that the pressure of the hydraulic system is the one recommended by the
company (see table in paragraph 3.1). If the pressure value should noticeably and noticeably change, do
not carry out any repair work but contact the distributor, authorised service centre or the manufacturer
Carlotti G.&C. SNC
2- TOPPING UP THE GEARBOX (Fig. 12)
Before topping up the gearbox, the operator must:
•Check that the machine is horizontal with respect to the ground
•Fully disconnect the machine from the tractor
•Top up until the aluminium visual indicator light shows the level
Never exceed the maximum permitted level.

5.4 Greasing
•Daily grease the guide rollers (Fig. 13)
•Grease the supports daily (Fig. 14)
•Grease the points marked with adhesive label moderately (see symbol table, paragraph 1.2) (Fig. 15)
Fig. 11 e 12 –Oil tank and gearbox
Fig. 13, 14 and 15 –Gears
WARNING