Hardi NL Series User manual
NL
Instruction book
674202
GB-10/1995
www.hardi-international.com
Illustrations, technical information and data in this book are to the best of our belief
correct at the time of prin-ting. As it is HARDI INTERNATIONAL A/S policy permanently
to improve our products, we reserve the right tomake changes in design, features,
accessories, specifications and maintenance instructions at any time and wit-hout
notice.
HARDI INTERNATIONAL A/S is without any obligation in relation to implements
purchased before or after suchchanges.
HARDI INTERNATIONAL A/S cannot undertake any responsibility for possible omissions
or inaccuracies in thispublication, although everything possible has been done to make
it complete and correct.
.As this instruction book covers more models and features or equipment, which are
available in certain countries only, please pay attention to paragraphs dealing with
precisely your model.
Published and printed by HARDI INTERNATIONAL A/S
We congratulate you for choosing a HARDI plant protection
product. The reliabi-lity and efficiency of this product depend
upon your care. The first step is tocarefully read and pay
attention to this instruction book. It contains
essentialinformation for the efficient use and long life of this
quality product.As this instruction book covers all versions of
the equipment, including all hyd-raulic boom versions, and all
operating units, please pay attention to the para-graphs
dealing with precisely your model.This book is to be read in
conjunction with the “Spray Technique”book.
NL
Instruction book
674202-GB-95/10
HARDI INTERNATIONAL A/S reserve the right to make changes in design or to add new features
without any obligation in relation to implements purchased before or after such changes.
Contents
EC Declaration of Conformity.........................................2
Operator safety ..............................................................3
Description .....................................................................4
Operation diagram .........................................................5
Connecting the sprayer.................................................. 5
Transmission shaft....................................................6
Rear lights (if fitted) .................................................. 7
Roadworthyness.......................................................7
Operating instructions ....................................................8
Filling the main tank .................................................8
Operation of the boom..............................................8
Boom height .............................................................9
Pulsation damper .....................................................9
Adjustment of the operating unit.............................10
Drain valve operation..............................................11
Maintenance.................................................................11
Filters......................................................................11
Lubrication..............................................................12
Re-adjustment of the boom ....................................15
Changing of valves and diaphragms ...................... 16
Nozzle tubes and fittings ........................................18
Off-season storage................................................. 18
Operational problems...................................................20
Technical specifications ...............................................22
Pictorial symbols ..........................................................24
Assembly......................................................................25
Preassembly information ........................................25
Spare part drawings .....................................................34
2
EC Declaration of Conformity
Manufacturer,
HARDI INTERNATIONAL A/S
Helgeshøj Allé 38
DK 2630 Taastrup
DENMARK
Importer,
declare that the following product;
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
Adhere extra shipping package labels to inside cover.
A. was manufactured in conformity with the provisions in the COUNCIL
DIRECTIVE of 14 June 1989 on mutual approximation of the laws of the
Member States on the safety of machines (89/392/EEC as amended by
directives 91/368/EEC and 93/368/EEC) with special reference to Annex
1 of the Directive on essential safety and health requirements in relation
to the construction and manufacture of machines.
B. was manufactured in conformity with the standards current at that
time that implements a harmonised standard in accordance with Article 5
(2) and other relevant standards.
Taastrup 1.2.99
Erik Holst
Managing Director
HARDI INTERNATIONAL A/S
3
Operator safety
Watch for this symbol . It means WARNING, CAUTION,
NOTE. Your safety is involved so be alert!
Note the following recommended precautions and safe operating
practices.
Read and understand this instruction book before using the
equipment. It is equally important that other operators of this
equipment read and understand this book.
Local law may demand that the operator be certified to use spray
equipment. Adhere to the law.
Pressure test with clean water prior to filling with chemicals.
Wear protective clothing.
Rinse and wash equipment after use and before servicing.
Depressurize equipment after use and before servicing.
Never service or repair the equipment whilst it is operating.
Disconnect electrical power before servicing.
Always replace all safety devices or shields immediately after
servicing.
If an arc welder is used on the equipment or anything connected
to the equipment, disconnect power leads before welding. Re-
move all inflammable or explosive material from the area.
Do not eat, drink or smoke whilst spraying or working with con-
taminated equipment.
Wash and change clothes after spraying.
Wash tools if they have become contaminated.
In case of poisoning, seek doctor or ambulance. Remember to
identify chemicals used.
Keep children away from the equipment.
Do not attempt to enter the tank.
If any portion of this instruction book remains unclear after read-
ing it, contact your HARDI dealer for further explanation before
using the equipment.
4
We congratulate you for choosing a HARDI plant protection product.
The reliability and efficiency of this product depend on your care. The
first step is to carefully read and pay attention to this instruction
book. It contains essential information for the efficient use and long life
of this quality product.
As the instruction book covers all NL models, please pay attention to
the paragraphs dealing with precisely your model. This book is to be
read in conjunction with the Spray Technique book.
Description
The Hardi NL models consist of a pump, frame with tank of 300, 400,
600 or 800 litre capacity, M-70 operating unit, SB booms (if fitted) of 6,
8, 10, or 12 metre and transmission shaft.
The design of the diaphragm pump is simple, with easily accessible
diaphragms and valves that ensures liquid does not come in contact
with the vital parts of the pump.
The tank, made of impact-proof and chemical resistant polyethylene,
has a purposeful design with no sharp edges for easy cleaning and
efficient agitation. A suction filter is located at the top of the tank. This
facilitates filter inspection even if the tank is filled with spray liquid.
The M-70 operating unit consists of; on/off function, pressure regula-
tion valve with pressure gauge and distribution valves for closing of
spray boom sections.
The SB boom is bolted to the tank frame and is fitted with spring
loaded breakaways at the pivots.
An identification plate fitted on the frame indicates model, year of
production and serial number, and country of origin.
5
Operation diagram
1. Suction filter
2. Pump
3. On/off and pressure
regulation valve
4. Distribution valves
5. Sprayer boom
Connecting the sprayer
The sprayer is designed for three point suspension and is equipped
with 22 mm pivots (category I). 28 mm (category II) pivots are fitted on
the 800 litre models.
WARNING: Note the weight of the sprayer.
See section on Technical specifications.
Generally it is recommended to:
1. Add ballast to front of tractor.
2. Increase tyre pressure (see tractor instruc-
tion book).
3. Travel at slower speeds when driving with a
full tank.
(The tractor will have decreased braking
efficiency.)
4. Be careful when filling/lifting the sprayer the first time.
3
4
2
5
1
6
Transmission shaft
Operator safety
To avoid accidents and personal injuries, note the following recom-
mended precautions and safe operation practices.
Always STOP ENGINE before attaching the transmission shaft to
tractor P.T.O. - most tractor P.T.O. shafts can be rotated by hand to
facilitate spline alignment, when engine is stopped.
When attaching the shaft, make sure that the snap lock is FULLY
ENGAGED - push and pull shaft until it locks.
WARNING: ROTATING TRANSMISSION SHAFTS WITHOUT PRO-
TECTION GUARDS ARE FATAL.
Always keep protection guards and chains intact and make sure that
they cover all rotating parts, including cross journals at each end of the
shaft. Do not use without protection guard.
Do not touch or stand on the transmission shaft when it is rotating -
safety distance: 1.5 meter.
Prevent protection guards from rotating by attaching the chains,
allowing sufficient slack for turns.
Make sure that protection guards around tractor P.T.O. and implement
shaft are intact.
Always STOP ENGINE and remove the ignition key before carrying out
maintenance or repairs to the transmission shaft or implement.
Installation of transmission shaft
Initial installation of the shaft is done as follows:
1. Attach sprayer to tractor and set sprayer in the position with short-
est distance between the tractor and sprayer pump P.T.O. shafts.
2. Stop engine and remove ignition key.
3. If transmission shaft must be
shortened, the shaft is
pulled apart. Fit the two
shaft parts at tractor and
sprayer pump and measure
how much it is necessary to
shorten the shaft. Mark the
protection guards.
7
NOTE: The shaft must always have a minimum overlap of 150 mm.
4. The two parts are shortened equally. Use a saw, and file the profiles
afterwards to remove burrs.
5. Grease the profiles and assemble male and female parts again.
6. Fit the shaft to tractor and
sprayer pump.
NOTE: Female part to-
wards tractor.
Fit the chains to prevent the
protection guards to rotate
with the shaft.
7. To ensure long life of the
transmission shaft, try to
avoid working angles larger
than 15°.
8. Transmission shafts with
cone must be fitted by
tightening the Allen screw
to a torque of 40 Nm.
Check again.
Rear lights (if fitted)
Connect plug for rear lights to tractors 7-poled socket and check that
rear lights, stop lights and turning indicators function properly.
Roadworthyness
When driving on public roads and other areas where the highway code
applies, or areas where there are special rules and regulations for
marking and lights on implements, you should observe these and
equip implements accordingly.
8
Operating instructions
Filling the main tank
Water is filled into the tank by removing the tank lid located right on top
of the sprayer tank. It is recommended to use as clean water as
possible for spraying purposes. Always fill water through the strainer
basket to prevent foreign particles from entering the tank. An overhead
tank can be used in order to obtain high filling capacity.
WARNING: Do not let the filling hose
enter the tank. Keep it outside the
tank, pointing towards the filling hole.
If the hose is lead into the tank and
the water pressure drops at the
water supply plant, chemicals may
be syphoned back and contaminate
the water supply lines, plant and
well.
Operation of the boom
Remove boom transport lock pin.
When unfolding (or folding) the
initial force to release the spring
loaded breakaways will be higher
than the actual unfolding/folding.
CAUTION: The breakaways must
be correctly tensioned and lubri-
cated. (see section on Boom
breakaway)
Replace boom transport lock pin
when driving with folded boom.
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