LEHNER POLARO Datasheet
LEHNER
POLARO®
Operating instructions with parts list
Status: January 2011
Serial number: .................................................................
Original operating instructions
English
LEHNER Maschinenbau GmbH
Haeuslesaecker 14
D-89198 Westerstetten, Germany
Tel.: +49 7348 9596-22
Fax: +49 7348 9596-40
www.lehner.eu
It is prohibited to distribute or duplicate this document and to utilise or
disseminate its content without express permission. Non-compliance
shall result in claims for damages. All rights for patents, utility patents
and industrial patents are reserved by Lehner.
4
Table of Contents
Content
1 What you should know......................................................6
1.1 Foreword ................................................................................................ 6
1.2 About these operating instructions......................................................... 6
1.3 Description of the POLARO®................................................................. 7
1.4 Intended use........................................................................................... 9
1.5 Reasonably foreseeable misuse ............................................................ 9
1.6 Warranty................................................................................................. 9
1.7 For your safety ..................................................................................... 10
2 Mounting and operation..................................................11
2.1 Mounting the frame .............................................................................. 11
2.2 Mounting the hopper ............................................................................ 12
2.3 Electrical connection ............................................................................ 13
2.4 Filling the spreading material hopper ................................................... 14
3 Operating the POLARO®..................................................15
3.1 Controls on the control panel ............................................................... 15
3.2 Switching the spreading disc and agitator on and off........................... 16
3.3 Setting the speed ................................................................................. 18
3.4 Setting the slide opening...................................................................... 18
3.5 Opening/closing the slide ..................................................................... 19
3.6 Setting the spreading width.................................................................. 20
5
Table of Contents
4 Settings.............................................................................21
4.1 Turning ................................................................................................. 21
4.2 Determining the spreading width.......................................................... 22
5 Maintenance and cleaning..............................................23
5.1 Maintenance......................................................................................... 23
5.2 Cleaning ............................................................................................... 26
5.3 Transport and storage .......................................................................... 26
6 Appendix...........................................................................27
6.1 EC Declaration of Conformity............................................................... 27
6.2 Identification ......................................................................................... 28
6.3 Distribution box terminal assignment ................................................... 29
6.4 Troubleshooting.................................................................................... 30
6.5 List of spare parts................................................................................. 31
6.5 List of spare parts................................................................................. 32
6
1 What you should know
1.1 Foreword
With the POLARO®, you have purchased a high-quality and innovative
product. Thank you for choosing a Lehner product.
Thanks to its advanced design, meticulous material selection, state-of-the-
art manufacturing techniques and the precision work of our employees, this
machine meets all efficiency, quality, reliability and value requirements.
Maintenance and care in accordance with the operating instructions
ensure the safety of the machine and retain the value of your POLARO®.
1.2 About these operating instructions
These operating instructions are part of the POLARO®and must always
be kept to hand. All persons who work with the POLARO®must read,
understand and observe the operating instructions.
The operating instructions should be retained for subsequent use. If at a
later date you at decide to sell your POLARO®, you must also hand over
these operating instructions; they are an integral part of your machine.
7
1 What you should know
Warning notices
Warning notices in these operating instructions are identified as follows:
Danger!
Warning against immediate danger. Non-compliance with
measures can result in death, severe personal injury or
serious damage to property.
Warning!
Warning against possible danger. Death, severe personal
injury or serious damage to property are possible.
Caution!
Warning against possible dangerous situations. Minor
personal injury or damage to property is possible.
1.3 Description of the POLARO®
The POLARO®is a spreader for spreading de-icing salt, grit, sand and
granulated fertiliser. It consists of a solid frame, a spreading material
hopper and the electrical components. The spreading disc with slide/
dosing device is part of the frame. The electrical components include
the drive motor, speed sensor, distribution switch box, control panel
cable, control cable, battery cable, control panel and automatic
spreader-bar release.
A separate motor drives a slow-running agitator for grit, sand, free-flowing
salt or granulated fertiliser. For salt that is moist or not free-flowing, there
is a special agitator for refined salt which is available as an alternative
accessory. The agitator is fitted vertically in the hopper.
A control panel regulates the speed of the spreading disc and the slide
from the driver's cab.
The POLARO®can be attached to the front or the rear of approved
carrier vehicles.
8
1 What you should know
Technical data
POLARO®70 POLARO®110 POLARO®170
Dimensions L/W/H 570/485/870
mm
570/485/1050
mm
700/626/1070
mm
Unladen weight 29 kg 38 kg 42 kg
Volume 70 l 110 l 170 l
Salt capacity 90 kg 130 kg 220 kg
Operating voltage 12 to 15 V
Fuse 25 A
Power of drive motor
(spreading disc)
60 W
Power of agitator
motor
150 W
Speed range 40 to 600 rpm
Speed of standard
agitator
54 rpm
Speed of refined salt
agitator
27 - 29 rpm
Power consumption
of motor
Start up to 25 A
Normal operation up to 13 A
Operating
temperature
-10 °C to +70 °C
Storage temperature -30 °C to +70 °C
Length of battery
cable
3 m 5 m 5 m
Length of control
panel cable
2 m 2 m 2 m
Length of control
cable
3 m 6 m 6 m
9
1.4 Intended use
The POLARO®is a spreader for spreading de-icing salt, grit, sand and
granulated fertiliser.
1.5 Reasonably foreseeable misuse
Only use on approved carrier vehicles with suitable vehicle electrics and
sufficient stability.
Only use for the approved media. The machine must not be used to
spread pesticides.
1.6 Warranty
We provide a guarantee of 6 months and warranty of 12 months on the
POLARO®.
Warranty repairs must be coordinated with the manufacturer before any
work is started.
For replacement parts, additional expenses are automatically
charged for any changes made to cables and plugs by the customer.
Replacement parts are to be returned carriage paid.
Any change to cable or plug connections without factory approval
automatically invalidates the entire warranty. Rusted bearings are not
subject to the manufacturer's warranty. Motors may not be opened or
dismantled.
Upon receipt:
Check your POLARO®for any damage caused in transit. Any such
damage must be reported to the manufacturer within 24 hours of receipt.
1 What you should know
10
1.7 For your safety
Carefully read these operating instructions before use and observe•
them. Always keep these instructions to hand at the point of use.
Adhere to the accident prevention regulations, safety and operating•
regulations and the regulations for environmental protection.
Adhere to all applicable standards and guidelines.•
Follow the safety instructions.•
Before operation, check that the hopper is correctly positioned in•
the hopper platform and that the spreader is securely and properly
fastened to the carrier vehicle.
Do not operate the spreader if there are any safety-related defects.•
Immediately resolve any safety-related defects.•
When travelling on public roads and streets, follow the road traffic•
regulations.
No persons must be in the spreading zone.•
Switch off the motor to remedy faults.•
Disconnect from the power supply for repair work.•
Never open the hopper when the agitator is running.•
Do not touch the hopper during operation.•
Never touch running or blocked spreading discs when the drive motor•
is running.
Observe the relevant spreading material manufacturer's instructions.•
Contact the relevant spreading material manufacturer for spreading•
tables and other information about the spreading material used.
LEHNER Agrar GmbH accepts no liability for the storage•
and application of spreading material.
1 What you should know
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