Page 1
R O T A R Y S L O P E M O W E R
Operation manual
Spider MINI
revize
02-01-10-2011
Product serial number :
……………………….
Dvořák – svahové sekačky, s.r.o.
Dvorce 62
58001 Havlíčkův Brod
Czech Republic
Tel: +420 569 425 767
Fax: +420 569 429 239
Mail: [email protected]
Web: www.spider-cz.com
Engine type :
………………………
Engine serial number :
………………………
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Operation manual – Spider MINI
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1. INTRODUCTION ............................................................................................................................................ 4
1.1. IMPORTANT .............................................................................................................................................. 4
1.2. MACHINE USAGE ..................................................................................................................................... 5
1.3. PROHIBITED USE ..................................................................................................................................... 6
1.4. PRODUCT IDENTIFICATION .................................................................................................................... 7
1.5. GUIDELINES FOR THE DISPOSAL OF SCRAP PRODUCTS ................................................................. 8
2. SAFETY INSTRUCTIONS .............................................................................................................................. 9
3. SPECIFICATION .......................................................................................................................................... 13
3.1. SPECIFICATION ...................................................................................................................................... 13
3.2. NOISE EMISSIONS ................................................................................................................................. 13
3.3. CONFORMITY CERTIFICATES .............................................................................................................. 14
4. SAFETY DECALS ........................................................................................................................................ 15
5. INSTRUCTION DECALS .............................................................................................................................. 18
6. CONTROLS AND DISPLAYS ...................................................................................................................... 19
6.1. ON THE MOWER ..................................................................................................................................... 19
6.2. ON THE REMOTE CONTROL ................................................................................................................. 19
6.3. FUNCTIONS OF MOWER INDICATORS ................................................................................................ 19
7. SAFETY SYSTEMS ..................................................................................................................................... 20
7.1. MOWER SAFETY ELEMENTS ................................................................................................................ 20
8. PREPARING THE MACHINE....................................................................................................................... 21
8.1. MACHINE DELIVERY TO A DEALER OR CUSTOMER ......................................................................... 21
8.2. HYDRAULIC PUMP BY-PASS ................................................................................................................. 22
8.3. CHECKING ENGINE OIL LEVEL ............................................................................................................. 23
8.4. HYDRAULIC SYSTEM OIL ...................................................................................................................... 24
8.5. PREPARING THE BATTERY................................................................................................................... 24
8.6. FUEL TANK .............................................................................................................................................. 25
8.7. PREPARING THE RADIO REMOTE CONTROLLER ............................................................................. 26
9. OPERATION ................................................................................................................................................ 26
9.1. TRANSPORTING THE MOWER.............................................................................................................. 26
9.2. STARTING THE ENGINE OF THE MOWER ........................................................................................... 27
9.3. SHUTTING OFF THE ENGINE ................................................................................................................ 28
9.4. ENGAGING THE MOWING BLADES ...................................................................................................... 29
9.5. DISENGAGING THE MOWING BLADES ................................................................................................ 29
9.6. HEIGHT OF CUT ADJUSTMENT ............................................................................................................ 30
9.7. ENGINE BRAKE ....................................................................................................................................... 31
9.8. MOWER DRIVE AND STEER .................................................................................................................. 32
9.9. DRIVING ON SLOPES ............................................................................................................................. 33
9.10. FOLD-OUT BUMPERS ........................................................................................................................ 34
9.11. STOPPING THE MOWER ON A SLOPE ............................................................................................. 34
10. MAINTENANCE AND LUBRICATION ..................................................................................................... 35
10.1. MOWER MAINTENANCE CHART ....................................................................................................... 35
10.2. ENGINE MAINTENANCE ..................................................................................................................... 36
10.3. CLEANING THE FUEL TANK .............................................................................................................. 36
10.4. HYDRAULIC DRIVE MAINTENANCE ................................................................................................. 36
10.5. VERTICAL SERVICE POSITION ......................................................................................................... 37
10.6. ADJUSTING THE NEUTRAL POSITION OF THE DRIVE SERVO ..................................................... 38
10.7. DRIVE V-BELT ..................................................................................................................................... 38
10.8. GEOMETRY ADJUSTMENT ................................................................................................................ 39
10.9. WHEEL DRIVE GEAR .......................................................................................................................... 40
10.10. MAINTAINING ELECTRIC CIRCUITS, DEVICES AND TRANSMITTER ............................................ 40
10.11. CLUTCH OF THE MOWING BLADE ................................................................................................... 41
10.12. DRIVE AND STEERING CHAINS ........................................................................................................ 41
10.13. FUSES, RELAYS ................................................................................................................................. 42
10.14. MOWING BLADE ................................................................................................................................. 43
10.15. CHANGING THE WHEEL .................................................................................................................... 44
10.16. TYRE PRESSURE ............................................................................................................................... 44
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10.17. HEIGHT OF CUT ADJUSTMENT MECHANISM ................................................................................. 44
10.18. LUBRICATION ..................................................................................................................................... 45
10.19. CLEANING THE MACHINE ................................................................................................................. 46
10.20. TORQUE CHART ................................................................................................................................. 46
10.21. OIL VISCOSITY .................................................................................................................................... 46
10.22. TECHNICAL PLATE ............................................................................................................................. 47
11. TROUBLESHOOTING ............................................................................................................................. 48
12. AFTER-SEASON MAINTENANCE .......................................................................................................... 51
13. WARRANTY CONDITIONS ..................................................................................................................... 52
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Operation manual – Spider MINI
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1. INTRODUCTION
1.1. IMPORTANT
This is a precision machine and the service obtained from it depends on the way it is operated and
maintained.
This OPERATION MAUAL should be regarded as part of the machine and should always be
present at the machine and available to the operator. Suppliers of both new and second-hand machines
are advised to retain documentary evidence that this manual was provided with the machine.
This machine is designed solely for use in customary grass cutting operations. Use in any other way is
considered as contrary to the intended use. Compliance with and strict adherence to the conditions of
operation, service and repair as specified by the manufacturer also constitute essential element of the intended
use.
Before attempting to operate this machine, ALL operators MUST go through a practical training in machine
usage, read through this manual and make themselves thoroughly conversant with Safety Instructions, controls,
lubrication and maintenance. The machine may be operated with additional accessories specifically designed
for this purpose. Operating and Safety Instructions of such accessories must be strictly adhered to.
Accident prevention regulations, all other generally recognized regulations on safety and occupational medicine,
and all road traffic regulations shall be observed at all times.
Any arbitrary modifications carried out on this machine as well as non-adherence to this OPERATION
MANUAL may relieve the manufacturer of liability for any resulting damage or injury.
In several places this Manual contains instructions for safe work. If the text includes such an instruction, then
the instruction is marked by the following WARNING symbol:
Warning against a highly probable danger of severe injury or life threat if appropriate instructions
are not followed.
Other symbols:
Provides useful information
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1.2. MACHINE USAGE
The machine is designed for the mowing of grass on level as well as steep terrain. Any other use is prohibited.
The maximum slope on which the machine may be used depends on the current condition of the area to be
mowed:
Dry conditions: 30°
Wet conditions: 20°.
Spider is a mulching mower designed for mowing of well maintained as well as unkempt or only occasionally
mowed areas. The mower is operated by one person using radio control.
The mower may only be operated by authorized persons over 18 years of age both mentally and physically fit,
who are familiar with this Operation Manual and all applicable regulations and laws pertaining to work health
and safety that need to be observed while operating the mulching mower Spider.
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1.3. PROHIBITED USE
The mower may not be used for other purpose than for which it was designed and which is described in
chapter 1.2.
The mower may not be used on surfaces littered by glass, loose stones, pieces of iron and other foreign
objects that can either be thrown by the blades during mowing or damage the mower
The mower may not be used on slopes exceeding 20 degrees when wet or foggy as the climbing ability
and mower stability are adversely influenced by poor ground adhesion. During favourable climatic
conditions (dry surface, good visibility) the mower may not be used on slopes exceeding 30 degrees.
The mower may not be used where other people, children or animals can be found within 20 m (65 ft.)
from the mower/mowed area.
Never use the mower unless you are properly acquainted with the terrain and mainly with the
occurrence of undesired terrain irregularities, stumps, swamps, pits, unstable and poor load
bearing soil etc.
The mower may not be used as a towing/transporting device or as means of transporting persons.
It is prohibited to drive the mower on public thoroughfares
It is prohibited to increase the engine revolutions or the engine performance above the limits specified by
the manufacturer. It is also prohibited to make any other modifications to the machine construction or to
the engine setup. The manufacturer does not bear any liability for damage or injury resulting from such
modifications.
It is prohibited to use the mower under the influence of alcohol or drugs
It is prohibited to drive the mower into heaps of sand, gravel or similar material, on stumps, rocks,
construction elements or any other obstacle, which may compromise the stability of the machine
It is prohibited to use the machine under low visibility (dusk, fog, heavy rain etc.)
It is prohibited to use the mower unless the operator is familiar with the Operation Manual
It is prohibited to dis-/engage the blade drive and adjust the height of cut while the engine is running
An intermittent acoustic signal (beeping) informs the operator that the mower has reached a dangerous
incline and threatens to roll over. It is prohibited to use the mower on slopes while the mowers beeps
and indicates its dangerous incline.
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1.4. PRODUCT IDENTIFICATION
The mower can be identified by the serial number, which can be found on the factory label placed on the
mower deck. The serial number and the year of manufacturing must be provided during every request for
servicing and with every order of spare parts. On the internal engine you can also find the engine
manufacturer´s factory label.
Location of engine factory label
Location of mower factory label
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1.5. GUIDELINES FOR THE DISPOSAL OF SCRAP PRODUCTS
When it has been identified that a turf care product has no further functional value and requires disposal,
the following actions should be taken.
These guidelines should be used in conjunction with Health, Safety and Environmental legislation and use
of approved local facilities for waste disposal and recycling.
• Position the machine in a suitable location for any necessary lifting equipment to be used.
• Use appropriate tools and Personal Protective Equipment (PPE) and take guidance from the technical
manuals applicable to the machine.
• Remove and store appropriately:
1. Batteries
2. Fuel Residue
3. Oils
Disassemble the structure of the machine referring to the technical manuals where appropriate. Special attention
should be made for dealing with “stored energy” within pressurized elements of the machine or tensioned springs.
Any items that still have a useful service life as second hand components or can be re-serviced should be
separated and returned to the relevant centre.
Other worn out items should be separated into material groups for recycling and disposal consistent with
available facilities. More common separation types are as follows:
• Steel
Non ferrous metals
• Aluminium
• Brass
• Copper
• Plastics
• Identifiable
• Recyclable
• Non recyclable
• Non identified
• Rubber
• Electrical and electronic components
Items that cannot be separated economically into different material groups should be added to the “General
waste” area.
Do not incarnate waste.
Finally update machinery records to indicate that the machine has been taken out of service and scrapped.
Always adhere to local legislation.
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2. SAFETY INSTRUCTIONS
This safety symbol indicates important safety messages in this manual. When you see this
symbol, be alert to the possibility of injury, carefully read the message that follows, and inform
other operators.
Safety Instructions
Do not enter or reach under the machine if it is lifted and not sufficiently supported. The machine should
be supported on places marked by the symbol of a chain.
The mower should only be transported in a container or on a trailer.
Check bolt torques at regular intervals. The first check should be done after 8 operating hours. Pay
attention to the attachment of the cutting blade and the proper bolt torque. Use a torque wrench and a
specified torque of 60Nm.
The blade hub bolts and the blade bolts must not show any signs of damage or wear. The bolts must be
complete. The blade must be undamaged, evenly worn and adequately sharp. The bolts should be
tightened with a torque of 60Nm.
If you are driving the mower outside the working area with disengaged blades, always set the maximum
height of cut otherwise the blade may get damaged.
Keep the product clean after use. Do not use gasoline or similar oil products for cleaning.
Do not reach with your hands or feet inside the mower, under the mowing deck, under the engine
covers or into the transmission system.
If you are forced to reach under the machine, wait until all rotating parts (including the engine) stop.
Attention, it takes some time before blade runs down! The run-down time depends on the state and
wear of the brake/clutch. Have the brake checked at regular intervals at an authorised servicing facility.
While operating, wear closed shoes and work clothing. Do not wear loose clothes that could get caught
by the machine, short trousers or light shoes.
A local risk assessment should determine the need for a face shield.
Do not operate the machine after drinking alcohol or using medication influencing perception.
Before starting the engine make sure that the mower blade is engaged (for mowing operation) or
disengaged (for transport). The blade may be dis-/engaged and height of cut adjusted only if the engine
is shut off. When starting the engine always step aside far enough to be protected against object
accidentally thrown from the mower and to be able to stop the mower in case of an emergency. Do not
enter the path of the mower.
While operating the mower make sure that the mower is clearly visible at all times and within the range
of the remote control unit and that you can clearly recognize dangerous situations and react to them
properly. Do not abuse the maximum reach of the remote control.
When using the mower, follow all general work safety regulations.
Work with the mower may only be started if the mower is not damaged by previous operation.
Do not change the engine tuning, especially the engine speed regulator. Do not modify the exhaust
pipe.
Do not use the mower if there is less than 30% of fuel in the fuel tank.
Do not move the mower by means of towing it behind another machine.
Operating Environment
The machine should only be used by persons over 18 years of age, who have been acquainted with the
machine and the user’s manual .The remote control (further referred to as ”RC”) is considered a part of
the machine
The user’s manual must be stored in a place permanently accessible to the operator and must be
available to him at all times.
Do not allow children or unauthorised persons use the product.
Before starting to operate the machine, you have to be familiar with all the symbols next to the controls
and indicators used on the mower and the RC.
Pay special attention to the stopping and shutting-off of the engine and to the emergency shutting-off of
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the mower.
Before using the mower on a slope, make sure you test and practice your mower-control skills on flat
and level ground, which is sufficiently free and spacious. Master how to control the movement on a
surface, to mow around bushes, trees and other terrain elements and obstacles.
If you stop the mower on a slope, position the wheels across the slope and secure it against
undesirable movement by the means of the emergency brake.
While operating or transporting the mower, the operator must always have the mower in their view. The
maximum distance between the operator and the mower is 50 m /165 ft.
While using the mower follow all safety regulations given in this manual and respect local regulations
and provisions concerning noise-emissions, especially when using in hospitals, spas and other sensitive
areas.
The operator must pay attention to the area into which the mulched grass may be blown. Neither the
operator, nor any other persons, children nor animals should be allowed to enter this area. If mowing
uneven terrain the ejection and throwing of undesirable objects becomes more probable due to the
displacement of the mowing device (tilt of one side of the machine) while crossing the edges of different
terrain.
The operator of the machine may be responsible for any damage caused to third parties by operating
the machine.
The mower may be used on dry surface on slopes listed in chapter 1.2.
Before operating the machine, make sure you remove from the mowing area all loose stones, sticks,
glass, wire, bones, branches and all other objects that can be picked up by the blades and thrown or
that could damage the mower.
While operating the mower avoid obstacles, do not drive over higher obstacles (such as stones, stumps,
brick), near precipices, on unstable soil or in places where the mower could fall down or flip over.
When operating pay attention to electric power lines especially when driving beneath electric wires
where the radio signal may be lost. In such case the mower immediately shuts off the internal
combustion engine and stops all movements.
When using the machine near busy thoroughfares make sure that the mower does not endanger (by
throwing undesirable objects) passers-by or their property. Choose a suitable working procedure (see
chapter: Operating the mower).
The operator/user is responsible for the safety of persons that enter the working area of the machine.
Stop your work if these persons enter the working area.
The transportation of persons, animals or loads on the mower is prohibited.
Do not place any objects or tools on the product.
While operating, especially in windy conditions, choose the operator’s position carefully so as to keep
the operator away from the stream of exhaust gas, dust or mulched grass.
Stop work and clean the machine and its cooling surfaces several times while working in dusty
conditions to avoid over-heating during operation. If necessary, clean the machine and its cooling
surfaces several times while working. The dust layer must not exceed 1 mm.
Refuel only when the machine is off – before operating, if possible – and the fuel tank is cold. Always
keep at least 30% of the fuel in the tank. If you need to refuel during your work, do not fill the fuel into a
hot tank or while the engine is still hot. Let the machine cool down.
Do not overfill the fuel tank.
Never refuel while the engine is running.
Before refuelling push the STOP button on the control panel of the mower.
Do not start the engine if you find spilled fuel, open vessels with fuel or other combustible objects or
gases in the immediate proximity of the mower.
Do not refuel near open fire.
Do not place this product near open fire or other sources of heat.
While operating or immediately after shutting the machine off do not touch those parts of the machine
that heat up during operation. This concerns mainly the engine exhaust pipe, metal parts of the
hydraulic drive and metal parts of the internal combustion engine.
While operating do not touch the high voltage conductor leading to the sparking plug.
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After starting the engine, test the correct functioning of the emergency engine stop on the radio
transmitter. This function should be checked at least once during every shift and every time you enter a
new area for mowing or mulching.
Before starting your work test the correct functioning of the safety components (EMERGENCY STOP)
on the mower.
Never leave the engine running without supervision.
If the engine is running, do not put aside the transmitter and do not touch or move any parts of the
machine.
Always stop the engine when leaving the machine, secure it against starting by pushing the red
EMERGENCY STOP button on the control panel of mower and by removing the key. Never leave the
transmitter next to the mower, but put it in a different, properly secured place inaccessible to third
persons.
Do not engage the mowing blade until immediately before mowing and only when the engine is turned
off.
Shut off the engine and disengage the mower blade and remove the key from the ignition every time:
- You clean the machine
- You remove dirt from the mower deck (grass or debris)
- You run over an unknown object and need to check for possible damage or to carry out a repair
- The machine unusually intensively vibrates and you need to find the cause
- You repair the engine or other parts of the mower (also unplug cables from spark plugs).
While operating, avoid mole-hills, concrete bases, guard-stones, stumps, loose stones and curbs.
These must not come into direct contact with the blade as they could cause serious damage. Do not
drive the mower into heaps of sand, gravel or other material. These may also compromise the mower
stability.
The mower may only be operated during daylight or under very good artificial light conditions.
Do not use the mower in limited visibility (dusk, fog, heavy rain etc.)
Do not let the engine run in enclosed spaces. The exhaust gases contain CO. They damage health and
can ultimately cause death.
The engine should only be started and operating in open spaces. If the engine is started and operated
in enclosed spaces, the exhaust gases must be conducted away by the means of prolonging the
exhaust pipe outside the enclosed space. Proper ventilation and fresh air supply must be secured in
order to prevent the accumulation of CO.
Before storing the machine in a closed space, let the engine and the hydraulic drive of the machine cool
properly.
Regularly remove all combustible objects (dry grass, leaves...) from the areas around the exhaust pipe,
engine, alternator and battery. Cleaning may only be performed when the mower is turned off.
Always control the machine from a working station, which gives you a perfect view of the whole working
area and of the machine.
While working, change your working position to have a perfect view of the mower at all times.
When operating the mower on slopes never enter the space directly below the mower or the area to
which the mower could fall.
The working position should be far enough (maximum 50 m / 165 ft.) to prevent the operator from
getting hit by objects that may be accidentally thrown by the mower.
Do not operate the mower if you cannot see it (behind terrain obstacles, corners of buildings, hidden in
grass etc.)
Safety Decals
Before starting the mower, check the state of the safety labels. If any labels are damaged or missing,
contact your dealer and replace such labels on the machine. Get thoroughly acquainted with these
labels. The placement of the labels on the machine is obligatory.
Do not remove or damage any of the safety labels.
Do not remove any covers or safety elements. They are for your protection.
Do not use the machine if any of the protecting devices or covers is damaged or missing.
Keep the machine and its accessories clean and in a good technical condition at all times.
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It is strictly prohibited to make any changes or modifications to the machine that were not previously
approved by the manufacturer. Any modification to the machine may lead to a hazardous situation or
injury. If these instructions are not followed, the manufacturer does not bear any liability for the machine
and the terms of warranty may be invalidated.
The machine must always be equipped with all covers and protective elements.
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3. SPECIFICATION
3.1. SPECIFICATION
TECHNICAL DATA
The mower is a self-propelled machine with all-wheel drive controlled by the transmitter (remote radio controller)
signal. Its unique wheel-steering technology ensures a high manoeuvrability both on level ground and on
slopes. The basic part of the machine is formed by a square solid frame, which is connected with a sliding
frame. The middle part of the sliding frame carries all driving components such as the engine, the hydraulic
drive, oil cooler the control unit.1 mowing blade is attached to the bottom part of the sliding frame. A clutch is
placed between the engine and the blade hub. The wheels are driven by a hydraulic motor through chains
gears. The wheels are steered by and electric motor. The control unit is placed under the main cover of the
machine. The mower is controlled by a multi-channel transmitter.
Parameter
Unit
Value
Length/Width
mm (inch)
910 x 1040 (36 x 41)
Height
mm (inch)
600 (23,6)
Mowing width
mm (inch)
560 (22)
Mowing blade height
mm (inch)
40 – 90 (1,5 – 3,5) - 6 levels
Weight
kg (pound)
125 kg (275)
Driving speed
km/h (mph)
0 – 4 (2,5)
Mower deck
-
Single blade with a firm blade attached to a clutch flange
Blade clutch - Mechanical with a friction brake
Hydraulic pump
Hydro Gear PC
Hydraulic motor - Sauer Danfoss OMM20
Drive system
-
4 x 4
Wheels
inch
13 x 5,00 – 6 with V-pattern
Battery
12 V, 18 Ah, gel
Fuel
-
Unleaded petrol / gasoline
Fuel tank capacity
litre (gallon)
4 (1)
Engine Briggs&Stratton 850 SERIES I/C ECO PLUS
Cylinder volume
cm3
190
Power output
HP/min-1
6,5 /3600
Torque
N.m/min-1
11,5 / 3060
Ignition
Electronic
Electric
Electric
Frequency range of the Remote
controller NBB for EU and USA
MHz
433.100 - 434.750
3.2. NOISE EMISSIONS
The mower emits the following noise:
Sound pressure level LWA= 95,2 dB
Guaranteed sound pressure level LWA = 96 dB
The measuring was carried out in conformity with EN ISO 3744at the engine working RPM (3000 min-1)
Noise at operator´s station (ear): L = 77 dB (A) Leq – measured in the distance of 1 m from the machine
according to EN 11201
Uncertainty of measurement U = ± 0,8 dB
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3.3. CONFORMITY CERTIFICATES
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4. SAFETY DECALS
Attention! This machine may be dangerous. Incorrect and negligent use may result in damage, serious injuries
or death. Safety and warning decals described in this chapter are placed on important parts of the machine and
inform about possible danger. The pictograms explain the nature of the hazard. Understanding their meaning is
a precondition for a safe use of this product.
1 2 3 4 5
6
Attention,
danger of hand
or feet injury
caused by
rotating blades
Keep safe
distance from
the moving
machine
Attention,
rotating parts
are
decelerating
after they were
turned off
On a slope
never enter the
area
below or
directly above
the machine
------------------
Slinging point
Maximum
permissible
slope during
dry conditions
Maximum
permissible
slope during
wet conditions
7 8 9
10
11
12
Attention,
electric
battery.
Attention,
electric
voltage,
danger of
short-circuit.
Danger of
getting burned
by hot parts
Danger of
getting caught
by rotating
parts
Attention,
rotating parts.
Handle only
when they
have come to a
complete stop.
Before starting
close all
protective
covers
Attention, use
protective
gloves when
changing the
mowing blades
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13
14
15
16
17
18
Read the
operation
manual before
use
While
maintaining,
repairing or
adjusting the
machine
remove the key
from the
ignition
It is prohibited
to transport
people with the
machine
Attention, the
device uses
hydraulic
energy drive,
danger of
injury caused
by the
hydraulic oil
jet.
Attention,
danger of
getting hit by
flying object.
Keep safe
distance.
While
maintaining,
repairing or
adjusting the
machine follow
the operation
manual
19
20
Use protective
work aids; face
shield
Attention,
combustible
substance,
danger of fire
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8, 9, 10
7
1, 2, 3, 4, 5, 6
11, 12
13, 14
15, 16
17, 18
19, 20
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5. INSTRUCTION DECALS
Check engine
oil level, add
oil if necessary
Check fuel
level, add fuel
if necessary.
Use only fuel
recommended
by the
manufacturer
Turn on the
mower and the
remote control
by turning the
Emergency
Stop buttons
Confirm
connection by
pressing the
horn
Set the
required height
of cut
Engage or
disengage the
clutch of the
mowing blade
Press the level
to release the
engine brake
For starter
activation the
drive
servomotor
must be in a
neutral
position
Press the start
button (Hold
for max. 5
seconds. If
starting fails
repeat after
min. 1 minute)
Control the
mower by RC
joysticks
Stop the
mower by
pressing the
Emergency
Stop button on
the RC
Turn off the
mower by
pressing the
Emergency
Stop button on
the mower
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6. CONTROLS AND DISPLAYS
6.1. ON THE MOWER
Tilt indicator: An intermittent acoustic signal (beeping) sounds when mower reaches dangerous slope.
6.2. ON THE REMOTE CONTROL
6.3. FUNCTIONS OF MOWER INDICATORS
- After unlocking the EMERGENCY STOP button on the mower the beacon starts to flash.
- After turning on the RC, a green light on the RC starts to flash.
- After pressing the confirmation button/horn an acoustic signal (beeping) will sound.
- If the drive servo is neutral position a green neutral light on the mower will illuminate.
- If the RC is turned off, signal interrupted or drive servo displaced (by moving the RC drive joystick) the
neutral light will dim.
- After pressing the EMERGENCY STOP button on the mower the beacon stops to flash.
- If a dangerous slope / mower tilt is reached an intermittent acoustic signal (horn beeping) will sound.
Inginiton switch
EMERGENCY STOP
Beacon / mower
operation indicator
Neutral light
Mowing blade
clutch lever
Emergency brake
Engine brake lever
Bonnet attachment
locks
Height of cut lever
Fuel tank
Battery
Drive pump by-pass
Steering joystick
Drive joystick
EMERGENCY STOP
Main switch
Confirmation button
Horn
Starter button
Frequency change
button
Empty RC battery
indicator
Power indicator
(green)
Battery
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7. SAFETY SYSTEMS
7.1. MOWER SAFETY ELEMENTS
The mower is controlled by a radio remote controller. This means that the operator is not permanently near the
mower and cannot use the controllers placed directly on the mower. For the safety of the operator as well as
other person the following chart lists various situations and protective measures taken:
Command EMERGENCY STOP (automatic or manual) has the following effects:
1. Engine is stopped
2. Wheel steering is blocked
3. Wheel drive is blocked
4. Starter is blocked
5. Engine brake is engaged
6. Ignition is turned off
EMERGENCY STOP command is activated if:
1. mower get out of the signal range
2. radio connection is interrupted / interfered with
3. another machine on the same frequency channel works nearby
A safety block prevents the engine from starting if:
1. there is no connection between the RC and control unit of the mower
2. confirmation button on the RC is not pressed
3. drive servomotor is not in the neutral position
4. engine brake is activated
In case the mower rolls over the engine brake is activated automatically. This ensures quick stopping of
the mowing blade.
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8. PREPARING THE MACHINE
8.1. MACHINE DELIVERY TO A DEALER OR CUSTOMER
From the manufacturer the mower is delivered with complete fillings of engine oil and hydraulic oil,
but without fuel in the fuel tank.
Operator training should take place during the installation of the product and certainly before the operator starts
to use the product.
To take the mower off a pallet / crate:
Place the palette with the mower on a level surface
Carefully remove the upper boards of the crate and take out all accessories & the remote control.
Disassemble the side boards of the crate
Release the attachment fastening the mower to the pallet, remove transportation wrapping. Recycle
these wraps.
Thoroughly examine the mower for possible damage and missing parts from the delivery. If necessary,
contact the transporting company with your claim.
Before driving down from the pallet raise the mowing mechanism to the upper position
Place boards in front of the wheels in the direction, in which you expect to drive the mower from the
pallet to the ground. Put at least 1 litre/0,3 gallon of fuel to the tank and attach cables onto the battery.
While starting, follow instructions in chapter 9.2.
Slowly move the forward/reverse joystick to correspond with the direction you want to move the mower.
The arrow on the wheel legs indicates forward.
Slowly drive down to the ground and stop the engine
While unpacking, assembling and preparing the mower, do not engage the mower blade.
Parts of delivery:
SPIDER mower
Mower ignition key (X2)
Gel battery (12V)
Remote control + 2 x AA battery
Operation manual
Remote control key (X2)
Engine user´s and maintenance manual
Remote control operation manual
Copy of CE declaration of conformity for the mower
Copy of CE declaration of conformity for the NBB remote control
During the first start there may be a lack of fuel in the fuel system and the starting procedure may
need to be repeated several times. Do not engage the starter for more than 5 seconds. Wait for at
least 1 minute between individual attempts to start the engine.
If you have a suitable lifting device available, place the lifting hooks / eyes on spots marked with the
chain symbol and lift the mower by about 15 cm / 6 inches, move the pallet away from the mower
and lower the mower to the ground.
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8.2. HYDRAULIC PUMP BY-PASS
The By-pass is used to disable the hydraulic drive and to engage the oil bypass for manual handling (engine
not running) of the machine on flat surfaces. The by-pass should only be used when the hydraulic drive is not
functional and the machine cannot be moved. In order to activate the by-pass loosen the by-pass bold by
one revolution. For normal hydraulic drive it is necessary to have the bolt on the pump tightened.
.
Before starting check the bolt tightness. Loose bolt will disable the hydraulic drive.
Insufficient tightening may result in undesirable behaviour of the mower on slopes. The mower
may uncontrollably drive down a slope.
It is strictly prohibited to loosen the by-pass bolt while the mower is on a slope!
BY-PASS
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8.3. CHECKING ENGINE OIL LEVEL
ATTENTION! Before checking or refilling engine oil stop the engine and let it cool down.
The oil level of the machine standing on a level surface must be between the limit marks on the dipstick (see
the engine user’s manual). Check oil according to the engine user’s manual as follows:
Place the machine on a level surface.
Remove the upper cover of the mower. Unscrew the oil cap and clean the dipstick.
Put the dipstick back into the filler, tighten it and remove it again.
Check the oil level. If the oil level is close to or under the lower limit mark fill the engine with
recommended oil up to the upper limit mark.
Screw the cap with the dipstick back and tighten it.
Running the engine with insufficient oil may cause serious damage to the engine.
Check the engine oil level on a level surface and only when the engine is off. Use only oil
recommended by the engine manufacturer.
MAX
MIN
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8.4. HYDRAULIC SYSTEM OIL
The hydraulic system of the mower is closed and daily checks of oil level are not necessary. However the
operator must check the tightness of all components of the hydraulic system. In case of oil leakage caused by
the damage to the hydraulic system, have the mower serviced and oil refilled by an authorized service dealer.
8.5. PREPARING THE BATTERY
SPIDER MINI mower uses a gel battery type GiV, 12 V, 18 Ah
Do not fill the battery with electrolyte. The machine construction uses a dry type of battery. If
recharging, use a maximum electric current of 1.4 A.
.
Loosen bolt (A) and open the battery cover.
Insert the battery
Attach back the battery cover.
Attach terminal connectors according to polarity: first (+) then (-).
When disconnecting the battery, work in reversed order. First disconnect (-) then (+) battery pole.
Never start the mower when a charger is connected to the battery. FOR CHARGING USE ONLY
SPECIAL CHARGERS PREVENTING THE EXCESS OF GASSING VOLTAGE.WHEN CHARGING
THE BATTERY MAKE SURE THAT CABLES CONNECTING THE BATTERY TO THE MOWER ARE
DISCONNECTED.
It is strictly prohibited to dis-/connect the battery while the engine is running.
-
+
A
-
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8.6. FUEL TANK
The fuel tank is place on a frame in the upper part of the mower. The fuel tank is closed by a screw cap.
Before refuelling always stop the engine and let it cool down for 10 minutes.
Do not smoke or approach open flames or sources of sparks when manipulating with fuel.
For fuel use 95-octane unleaded gasoline / petrol without any additives. The operator is responsible for all engine
or fuel system damage resulting from the use of wrong, low-class, old or contaminated fuel. The warranty does
not extend to such damage.
Do not fill the tank near open fire or sources of heat or ignition. Do not smoke while manipulating with fuel. Do
Do not open the tank while it is hot.
Do not fill / empty the tank in enclosed areas.
Check the fuel lines, fuel tank, fuel cap, fuel filter, breather system and all linkages for leakage, cracks and dirt
Change parts as necessary.
If fuel is spilled, do not start the engine until it evaporates completely.
Do not overfill the tank with fuel.
The fuel line is fitted with a cock closing the fuel flow to the carburretor and a fuel filter.
The fuel cock must be closed during transport, storage and when tilting the mower to a service position.
.
Breather
Cap
Fuel tank
Fule
cock
Fuel
cock
Fuel
filter
Cock
Cock
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8.7. PREPARING THE RADIO REMOTE CONTROLLER
Insert 2 pieces of AA batteries into the radio remote controller. If the power indicator flashes, the battery is
charged and ready the RC is for operation.
If the voltage of the radio remote controller drops below a specified level, the whole machine will automatically
shut down.
Low RC battery indicator: If the RC battery voltage is too low, the battery light on the RC starts to flash red. Move
the mower to a safe place and replace the batteries. After the low voltage light starts to flash you will have about
15 minutes before the RC gets turned off permanently. If batteries are empty, replace them with new ones.
Transmitter (radio remote controller) and receiver (control unit) were adjusted and set-up by the
manufacturer. Do not make any modifications to these devices. They are a matched pair.
9. OPERATION
9.1. TRANSPORTING THE MOWER
The mower should be transported to the mowing area on a trailer or by another suitable transport
vehicle.
Transporting the mower on thoroughfares on its own wheels is prohibited
When loading/unloading a trailer, make sure that the edge - formed by the floor of the trailer and the
ramps – is not an obstacle for the mower. Otherwise you need to use longer ramps.
When loading, do not allow any person to stand by the ramps or under the hanging mower if it is lifted. It
may only be hung upon places marked by the chain symbol. The loading capacity of the lifting
eyes/hooks must be suitable for the weight of the machine as quoted on the serial plate.
After placing the mower on the transport, make sure it is properly secured. Attach fastening devices to
the eyes marked by the chain symbol on the mower.
The mower should only be transported with height of cut set to minimum.
The fuel cock must be closed during transport.
2x AA battery
Power
indicator
Battery voltage
indicator
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9.2. STARTING THE ENGINE OF THE MOWER
Check the fuel level in the fuel tank; refuel with unleaded gasoline / petrol if necessary.
Check the forward/reverse drive joystick (4) on the RC and set it to neutral position.
Select desired height of cut by the height adjustment lever.
Set the mowing blade clutch lever to blade engaged position (for mowing) or blade disengaged
position (for transport).
Push the engine brake lever to disengage to engine brake and active the ignition and the starter.
Open the fuel cock.
Release the emergency brake.
Turn ON the main RC switch (9) by rotating it clockwise.
A green light (10) will illuminate on the RC.
The mower will not start unless switch (9) is in the ON position. If a red low voltage light (11) on
the RC is illuminated the mower may not be started until the batteries are replaced for charged
ones.
Use a key to unlock and pull up the EMERGENCY STOP button (1) on the mower. The beacon
(3) will start to flash.
Press the confirmation button / horn (6) on the RC – the mower ignition will be turned on. If the
drive servomotor is in neutral position a green neutral light (2) illuminate on the mower.
If the neutral light fails to illuminate, move the drive joystick (4) on the RC slightly forward and
backward until neutral light (2) illuminates.
Press the START button (7) on the RC for a period of maximum 5 seconds. If the engine fails to
start wait for 1 minute and the press the START button again.
If the engine starts, release the START button (7)on the RC. Do not use the START button again
while the engine is running as this may seriously damage the starter.
Leave the mower idle for about 1 minute. The mower is equipped with an automatic choke which
may cause the RPM to fluctuate for some time.
NOTE:
Keep a safe distance from the mower while starting and make sure all covers are fitted.
Emergency
Engine
brake
Blade
clutch
Fuel
cock
Main switch of the mower
Main switch of RC
Confirmation
Start
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9.3. SHUTTING OFF THE ENGINE
Stop the engine by pressing the EMERGENCY STOP button (9) on the remote control.
Press the EMERGENCY STOP button (1) on the mower and remove the key.
Both buttons have an identical function – activation of the EMERNGECY STOP command (ignition turned off,
engine brake activated, starter blocked, communication between the RC and the mower control unit is
interrupted). Both buttons are also used as main switches for the RC / Mower.
For emergency shutdown you should primarily use the EMERGENCY STOP button (9) on the
remote control. The EMERGENCY STOP button (1) on the mower should only be used if the
mower is stable on a flat area or if you are close enough and cannot be endangered by the
mower.
EMERGENCY STOP buttons on the remote control (9) and on the mower (1) should be used
every time the situation requires an emergency shutdown of the mower.
1 2 3
11
10 8 9 7 6 5 4
Remote controller
Controls and Displays
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9.4. ENGAGING THE MOWING BLADES
The mowing blade may be engaged only when the engine is shut off.
Shut off the engine by the EMERGENCY STOP button on the RC.
Set the desired height of cut by the height adjustment level on the mower.
By unlocking the clutch lever and moving it to the left you will engage the mowing blade clutch. The
level is held in the engaged position by the clutch springs.
Turn on the RC and start the mower in a standard way.
Do not engage the blade in tall grass as this may damage the engine starter. Move the mower to
an area without tall grass and then engage the blade.
While starting the engine stay in a safe distance from the mower, away from a possible path of
the mower. Do not engage the blade if there are any persons in the working area of the mower.
The blade may throw material (rocks, wood, debris...) out from the mower deck.
9.5. DISENGAGING THE MOWING BLADES
Stop the engine by pressing the EMERGENCY STOP button on the RC.
To disengage the mowing blade move the clutch lever to the right and lock is behind the catch.
Turn on the RC and start the mower in a standard way.
Catch
Disengaged
Engaged
Place of
mowing blade
clutch lever
Clutch lever
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9.6. HEIGHT OF CUT ADJUSTMENT
The mower has 6 positions of cutting height adjustment. The height of cut can be adjusted within the range
of 40 to 90 mm (1,5 to 3,5 inch).
The height of cut can be adjusted by the height adjustment lever on the mower. The height of cut may only
be adjusted when the engine is shut off.
To change the height of cut hold the height adjustment lever in the current position, unlock the latch, move
the lever to the desired position and lock it by releasing the latch. Then release the height adjustment lever.
The height adjustment system of the mower is supported by a strong spring, which reduces the
power needed to change the height of cut. The height should only by adjusted when the mower
is standing on all four wheels. Other position of the mower may cause the height adjustment level
to shoot down when unlocked.
In areas with tall or wet growth use higher position of the mower deck.
Lowest height setup is used for the mowing of flat and well maintained areas.
If mowing an unknown area for the first time, it is recommended to select a higher position of
mower deck, mow the area and then repeatedly check the area for debris. Next mowing should
be performed after the mowed grass has dried.
The height of cut on a slope may significantly vary from that on a flat surface.
Height adjustment lever
Latch
6 positions
MIN height of cut
MAX height of cut
Position of
height
adjustment
lever
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9.7. ENGINE BRAKE
The mower is equipped with an engine brake, which ensures quick stop of the engine (mowing blade) when
the EMERGENCY STOP button on the mower or on the RC is activated. The engine brakewill also be
automatically activated should the mower roll over.
The engine brake is controlled by an electromagnet, which unlocks engine brake lever. The spring of the
engine brake then stops the engine. The brake adjustment lever is also controlled by a weight placed on a
sliding bar. This weight activates the brake when the mower rolls over.
The engine brake is a basic safety element of the mower. To do make any modifications to the
lever system or the engine brake itself. In case of failure contact an authorized service centre.
For proper functioning it is necessary to keep the lever system clean and lubricate it regularly
with a chain spray.
Brake lever
Disengaged – lever down
Engaged – lever up
Electromagnet
Weight
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9.8. MOWER DRIVE AND STEER
The mower movement is controlled by forward / reverse drive joystick (4) and left / right steer joystick (5). By
combining these two joysticks you can control the movement of the machine. By moving the forward /
reverse drive joystick the driving speed of the machine proportionally increases. The steering of the machine
is not proportional and the joystick only activates left or right steering of the wheels.
NOTE:
Accelerate slowly so as to be able to react to the direction in which the mower starts to move. The
arrows on the wheel housings show the direction the machine will move when forwards motion is
selected.
When driving, slowly move the drive joystick in the desired forward or reverse direction.
When changing the forward drive to reverse drive, always leave the joystick for a short moment in the neutral
position.
In cold weather let the engine run for about 2 minutes to allow the oil to get warm before driving.
Always choose a suitable driving speed, which enables an acceptable mowing quality. When selecting
speed, always start with slow and proceed to fast, not the other way around. If the growth is thin, you may
mow at higher speed.
Neutral
Right
Reverse
N
Left
Forward
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9.9. DRIVING ON SLOPES
Driving on slopes is very demanding for the operator, as they constantly have to evaluate information about
the movement of machine and the character of the terrain. Especially important is the wheel adhesion to the
grass or other surface and the mower tilt angle. Pay attention to climatic conditions. The climbing ability of
the mower will be radically different on dry, wet or moist grass slopes.
The mower may work on slopes up to 30 degrees only when the surface (grass) is dry- If the
surface (grass) is wet or moist the maximum slope, on which work is permitted, is 20 degrees.
Examine closely the working area. Evaluate the situation and test the possibilities and characteristics of the
specific terrain. Do not take chances. If the mower loses traction, you have lost control, stop mowing and reevaluate the conditions.
The driving wheels of the mower have to be evenly inflated to the prescribed value of 200 kPa
(2bar / 28 PSI). The maximum tyre pressure according to the tyre manufacturer is 220 kPa (2,2
bar / 30 PSI). The tyres must not be underinflated or overinflated.
Start your work at the bottom of the slope and proceed to the top. This way you will be usually moving from
less to more steep slopes, which will give you a better chance to evaluate the climbing ability and make the
right decisions concerning further work. If you begin to mow steeper slopes first, it may happen that – due to
adverse conditions - the mower will slip on the slope. Due to dynamic effects the mower may even roll over.
The method of cutting from the top of the hill to the bottom should only be used exceptionally when the
operator is in detail acquainted with the terrain.
If the mower is slipping, do not try to stop it and do not approach it, especially the area below
the mower. Do not touch or approach the mower if the wheels are lifted, the mower tilted, in an
unstable position or starting to roll over.
Before operating on slopes, make sure that no other person is below the mower, above the
mower, below or inside the working area. Do not endanger third persons by the movement of
the mower.
Choose your operating position away from the area to which the mower may slide or to which the mowed
grass may be thrown. The direction of the discharged grass may change while operating according to the
driving direction of the mower.
When working on slopes and when driving in an unknown terrain, make sure that the fold-out
bumpers are locked in a horizontal position. The fold-out bumpers increase the mower
resistance against rolling over. For correct functioning the bumpers must be undamaged and
properly locked.
When working on slopes avoid the following:
Sudden, sharp steering or braking
Rapid acceleration uphill or braking downhill, sharp change of driving direction
High driving speed
Driving on uneven surface
Changing adhesion (moving from areas exposed to sun to shade etc.)
Stopping on the slope and shutting off the engine.
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9.10. FOLD-OUT BUMPERS
The mower is fitted with fold-out bumpers, which improve work safety when working on slopes and in
unknown terrain and increase the mower resistance against rolling over.
For transport keep the bumpers in a vertical position.
For use, fold the bumpers down to the horizontal position until all latches of the bumper snap inside
the bumper locks.
To fold the bumpers back to the vertical position push with both thumbs onto the latches until they are
released from the locks. Pull the bumpers upwards to the vertical position.
Fold-out bumpers are only functional when properly locked in a horizontal position.
The use of fold-out bumpers does not increase the maximum permitted slope / mower tilt.
9.11. STOPPING THE MOWER ON A SLOPE
In case you are forced to stop the mower on a slope and interrupt your work for whatever reason, be sure to
position the wheels across the slope and secure the mower by the emergency brake. This will prevent the
mower from moving down the slope.
When releasing the emergency brake on a slope, make sure that you start the engine prior to
releasing the emergency brake..
Brake locked in the shallow groove (pulled up) – brake released
Brake locked in the deep groove (pushed in) – brake engaged
Postion of emergency brake
Brake released –
locked in the shallow
groove
Brake engaged –
locked in the deep
groove
Vertical position
Horizontal position
Releasing the bumper latches
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10. MAINTENANCE AND LUBRICATION
10.1. MOWER MAINTENANCE CHART
Period according to the counter
of operating hours (OH)
X = Operator
S = Authorised service centre
* = in dusty environment check more frequently
Daily or every
8 OH
After first 5 OH
Annually or
every 50 OH
Annually or
every 200 OH
Annually
Visually check for oil leakage from engine and hydraulic systems
x
Check tyre pressure
x
Visually check the tension of drive V-belt
x
Visually check the tension of drive and steering chains
x
Check mower battery voltage
x
Check electronic and safety devices (emergency stop, steering,
transmitter signal etc.)
x
Check bolts and nuts tightening (visually check daily)
x x
Check blade sharpness and deformation
x
Check blade bolts tightening
x
Visually check hydraulic hoses, fuel hoses, cables – replace if
necessary
x
Check and adjust wheel geometry
x
Adjust the neutral position of the machine drive (hydraulic pump)
s s
Change hydraulic oil and filter
s s
Check and adjust wheel housing, add oil
s s
Check blade deceleration time
s s
Check drive belt, replace if necessary
x
Check and clean the mowing blade clutch
x
Check safety labels
x
Check bearings of the mowing device
s s
Change engine oil
x x
Change engine oil filter
x
Check engine oil level
x x
Clean engine cooling system, exhaust cover, alternator, starter,
hydraulic system and controllers
x
Clean air filter and rough air filter
x *
Change air filter and rough air filter
x *
Change spark plugs
x
Change fuel and breather filters, clean the fuel tank
x *
Check valve clearance, adjust if necessary
s
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10.2. ENGINE MAINTENANCE
The following activities are considered to be workshop maintenance and should be carried out
by trained personnel.
Before beginning any maintenance activity on the mower, turn off the engine, push the emergency button
and remove the key from the button. Also turn off the remote radio controller by the switch on the control
panel.
To eliminate the possibility of an unexpected start of the mower, disconnect the (-) terminal connector on the
battery.
The engine should only be repaired or serviced by an authorised dealer/servicing facility that possesses all
necessary tools, equipment, spare parts and professional skills.
When maintaining, repairing or cleaning, always follow the engine manufacturer’s user’s manual, which is
included is the technical manual pack.
10.3. CLEANING THE FUEL TANK
While using the mower impurities may settle in the fuel tank. These impurities may cause a blockage of the
fuel system while using the mower.
The fuel tank may only be emptied by siphoning the fuel while adhering to all safety precautions for
manipulation with fuel.
The breather system is placed in the upper part of the fuel tank and is fitted with a roll-over valve and a
breather filter. Its blockage may be recognized by an incorrect functioning of the engine and vacuum
pressure in the fuel tank.
Do not smoke or approach open fire while manipulating with fuel.
10.4. HYDRAULIC DRIVE MAINTENANCE
The maintenance of hydraulic drive requires properly trained service personnel.
Regular maintenance should focus on the check of tightness of hydraulic connections and bolts.
The replacement of hydraulic lines and adding of oil should only be performed by an authorized service center.
The maintenance of the hydraulic parts must be carried out in a very clean working area. Any
contamination brought into the hydraulic circuit may result in damage
The hydraulic drive must never work without or with an insufficient amount of oil, not even for a short
time. If you detect hydraulic oil leakage, have the mower serviced and oil added by an authorized
service centre.
Do not check the tightness of the hydraulic circuit with a bare hand, but always use a suitable tool.
A jet of hydraulic oil may seriously damage your health.
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10.5. VERTICAL SERVICE POSITION
For cleaning and maintenance of the mower deck it is possible to place the mower to a vertical service position.
The vertical service position may only be used on a firm and flat surface and only for the time needed to perform
the maintenance.
It is prohibited to leave the mower in the vertical service position unattended or to store it this way.
It is prohibited to manipulate with the height adjustment lever while the mower is in the vertical
service position.
Instructions:
1. Place the mower on a flat and firm surface.
2. Turn the wheels so that the tyres are next to the hydraulic tank.
3. Turn the mower off by the EMERGENCY STOP button.
4. Check the tightening of the fuel cap and the engine oil dipstick.
5. Close the fuel cock.
6. Fold the bumpers to the upper (vertical) position.
7. Select minimum height of cut.
8. Use the handles on the exhaust side of the mower to lift it as far up until the handles on the hydraulic
tank side lean against the ground.
Wheels turned towards the hydraulic tank
Fuel cock closed
Minimum heft of cut
Vertical service position
Folded bumpers
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10.6. ADJUSTING THE NEUTRAL POSITION OF THE DRIVE SERVO
In case the mower tends to creep in the neutral position, have the mower services by an authorized service
centre.
10.7. DRIVE V-BELT
If you do not have necessary tools and expertise, have this work performed by an authorized service centre.
The drive V-belt drives the hydraulic pump and the alternator. The alternator is also used as a tightening
component for the drive belt. Every 50 operating hours the tension and wear of the drive V-belt should be
checked.
If not tight enough the belt will slip and wear very quickly.
Excessive tension on the belt puts stress on the engine crankshaft and may result in engine
damage.
Instructions:
1. Place the mower to vertical service position.
2. Dismount the belt cover.
3. Release the alternator bolt.
4. Move the alternator as the arrow indicates in order to tension the belt.
5. Tighten the alternator bolt
6. Mount back the belt cover.
Alternator
pulley
Pump
pulley
Engine
pulley
Alternator
bolt
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10.8. GEOMETRY ADJUSTMENT
If you do not have necessary tools and expertise, have this work performed by an authorized service centre.
Before adjusting the geometry it is necessary to have the steering chain properly tensioned.
Geometry adjustment instructions
Support the mower at the places marked by the chain symbol so that the wheels are freely in the air.
Turn the wheels in a straight direction.
Release the hydraulic drive by-pass bolt by 1 revolution.
Manually turn the wheels so that the drive sprocket does not cover the taper lock screws.
Release 4 M6 screws of the taper lock by 1 revolution.
Dismount the handles.
Use a screwdriver to lift and release the chain sprocket from the taper lock. The wheel suspension will
now freely turn around its axis. In the same way release all suspensions, which you desire to align.
By placing a straight lath to the wheel housings on the left side and tyre discs on the right side adjust all
wheels to be parallel.
Slightly tighten the screws of the taper lock and check the geometry with the lath.
Tighten the taper lock screws and secure the chain sprocket. Tightening torque is 15 Nm.
Close the hydraulic by-pass bolt.
Wheels in straight direction
Screws coverd by sprocket
Screws accessible
Release by 1 revolution
Lift the steering sprocket
Align wheels
On both sides the lath touches wheel housings / tyres
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10.9. WHEEL DRIVE GEAR
The terminal gear in the wheel suspension is fitted with an automatic tensioner and thus does not need to be
adjusted. In case of oil leakage add 50 ml of transmission oil to the wheel suspension.
Instructions for adding oil
Lift the mower and support it so that wheels are freely above ground.
Loosen three nuts and dismount drive wheels
Dismount the (thin) cover plate of the wheel suspension. Clean both the plate and the surface of the
wheel suspension.
All about 50 ml of transmission oil and degrease both contact surfaces.
Seal the contact surfaces with silicon glue and tighten all bolts.
Mount back all drive wheels and tighten wheel nuts.
Do not modify inner components of the wheel suspension. Have them serviced by an authorized
service centre if necessary.
10.10. MAINTAINING ELECTRIC CIRCUITS, DEVICES AND TRANSMITTER
Keep all parts of electric circuits clean, especially from oil products, dust sediments and dry grass.
Replace conductors with damaged insulation. For replacement use only original conductors supplied by
the manufacturer.
Repairs of electric circuits should only be performed by authorized service centres.
Suspension plate
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10.11. CLUTCH OF THE MOWING BLADE
The blade clutch is placed on the crankshaft between the main deck and the blade. When engaged the clutch
transmits torque to the blade. When disengaged a brake secures the blade against free movement. Do not
modify the clutch. In case of failure have this part of the mower repaired by an authorized service centre.
10.12. DRIVE AND STEERING CHAINS
Check the tension and wear of the drive and steering chains. The chains can be tensioned by two tensioner
placed on the upper and bottom part of the top frame under the EMERGENCY STOP button.
Tensioning instructions:
Loosen M8 bolts securing the chain tensioner.
Use tensioning bolt M6 on the inner part of the mower frame to move the tensioner until the chain is
properly tensioned.
Tighten securing M8 bolts of the tensioner.
In case the steering chain is too lose it is necessary to check the mower geometry and adjust if necessary.
Check the wear of the steering servo and hydraulic motor pinions. In case of excessive wear
change for new ones.
Blade clutch
Mowing blade
Clutch lever
Securing
bolts
Tensioning bolts
Chain tensioner
Clutch lever
Clutch catch
Steering pinion
Drive pinion
Steering
pinion
Drive
pinion
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10.13. FUSES, RELAYS
The fuse box is place in the upper part of the mower under a protective cover. The fuse box holds main fuses of
the mower and relays for the switching of various function of the mower.
Never modify any components inside the fuse box as this may lead to short circuits and damage
electric components of the mower. Have the relays replace by an authorized service centre.
When replacing fuses follow the electric current value for which the fuses are designed. Do not
replace damaged fuses with fuses with a higher or lower electric current value. These could
cause damage or even a fire in the mower!
1. Main switching relay for the machine power supply
2. Ignition grounding relay
3. Starter switching relay
4. Steering relay
5. Steering relay
6. Power relay of engine brake
7. Control relay of engine brake
8. 20A charging fuse
9. 20A main machine fuse
1 2 3 4 5
6
7
8
9
Fuse box
position
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10.14. MOWING BLADE
Regularly check the condition of the mowing blade.
The blade:
must not show signs of damage, such as twisted, bent or
deformed parts of the blade;
must be properly attached to the flange by bolts;
must be sharp;
fastening bolts must not be damaged
For proper and reliable functioning the blades are statically balanced by the manufacturer. This balance must
be preserved during the entire use of the blade. The blade must be statically balanced after each sharpening
To tighten the blade, use a torque wrench and a specified tightening torque of 60 Nm
If the blade is damaged it is prohibited to:
straighten it
heat it
weld it
reinforce it or otherwise change its construction
When replacing worn-out parts follow these rules:
The permitted wear of the blade is 12 mm (0,5 inch). Blade must be replaced it the wear is higher than
permitted.
Balancing must be carried out after sharpening
The blade cannot be repaired / renewed.
When changing the blade, use new fastening bolts if the current ones show signs of damage. Only
high-tensile steel bolts may be used for this purpose. No other steel bolts are acceptable.
If the mowing mechanism vibrates when engaged, do not continue operating the mower, turn it off and
contact your local dealer.
To tighten bolts use torque listed in the chart at the end of this chapter (see 11.19).
Changing the mowing blade
Stop the engine, turn of the RC and press the EMERGENCY STOP button the mower
Disconnect the battery.
Place the mower on a flat and firm surface.
Lift the mower to the service position and secure it against falling.
Use gloves to change the blades.
Release fastening bolts of the blade. Remove the bolts and washers. Attention, the blade may fall
down to the ground when the bolts are removed.
Work in reversed order when mounting new blade.
Always check the bolts when mounting a blade.
After mounting the blade check if it holds firmly. Pay special attention to the first engagement of the
blade after replacing it. Check for unknown sounds and vibration.
Always lift the mower on the side of the exhaust and place it with hydraulic tank down so as to
prevent oil from leaking inside the air filtration. Do not spill the oil.
Hit
damage
Wear
damage
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10.15. CHANGING THE WHEEL
Change the wheels on a level, firm surface
Turn the wheel so that the tightening nuts are accessible from the outside
Stop the engine, remove the key from the ignition
Secure the machine against movement.
Lift the mower and support it under the mower deck
Ensure the machine safe & supported before working on it.
Loosen the wheel nuts, remove the wheel
After repairing it, attach the wheel back in the reversed order.
Use suitable tools to unscrew the nuts
10.16. TYRE PRESSURE
Make sure that the tyres are always inflated to specified tyre pressure. Other values may unfavourably influence
the driving characteristics of the mower, especially on slopes. You may even lose control over the mower..
Specified tyre pressure: 200 kPa / 2 bar / 28 PSI
Maximum tyre pressure according to the tyre manufacturer: 220 kPa / 2,2 bar / 30 PSI
10.17. HEIGHT OF CUT ADJUSTMENT MECHANISM
Keep the sliding bars and height adjustment lever clean, undamaged and without excessive clearance. Adhere
to the lubrication schedule for pivots and sliding parts of the mower height adjustment system.
3x wheel nuts
MAX tyre pressure
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10.18. LUBRICATION
Use adequate amount of lubricant on parts, which are to belubricated. Excessive lubricant tends to drop
downand pollute both the machine and the environment.Insufficient amount requires frequent lubrications.
For the lubrication of sliding parts, pivots and chains use chain spray (e.g. Cain grease Berner). Make sure the
lubricant is applied exactly on the lubrication point. This will prevent the accumulation of dirt on the lubricated
surfaces.
Lubrication points:
1. Height adjustment lever (pivots, friction surfaces of levers, sliding bar inside a bushing)
2. Chains (steering chain, drive chain)
3. Emergency brake lock
4. Engine brake (pivots and friction surfaces of levers)
5. Sliding bar under the brake weight
6. Pivots of fold-out bumpers
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10.19. CLEANING THE MACHINE
Machine cleaning by high pressure water is not recommended. Pressurized water may penetrate inside
electrical parts, carburettor, air filter and cause malfunction. Wipe other parts with tissue or brush. Do not use
gasoline or other oil products for cleaning.
The mower deck should be thoroughly cleaned after every use, especially the inner walls of the bottom part of
the mower deck. For cleaning use a scraper. Secure the mower against undesired movement when cleaning.
During cleaning also check the condition of the blade.
Proper maintenance and treatment of the mower deck increases the quality of work and service life of your
mower. After cleaning and drying conserve the scratched parts with a protective paint, especially if you do not
intend to use the mower for a longer time.
If the mower is lifted during cleaning, secure it against falling and movement, remove the spark plug
terminal and press the EMERGENCY STOP button on the mower.
.
10.20. TORQUE CHART
Connection bolt
M6 (8.8)
M6 (10.9)
M 8
M 10
M 12
Tightening torque /Nm/
10
15
25
50
85
10.21. OIL VISCOSITY
Oil requirement may differ according to the use in different seasons or climatic zones. The following chart shows
the SAE values:
.
Chart of SAE oil grades according to external temperatures.
Recommended oils:
SAE 30, SAE 10W-30 API classification SF or higher
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10.22. TECHNICAL PLATE
The technical plate provides information on mower fillings and basic information for machine maintenance. The
technical plate is placed on the machine frame.
.
- engine
- engine oil
- oil quantity
- spark plug
- fuel
- hydraulic system
- hydraulic oil
- oil quantity
- electronic system
- battery
- fuses
- tyres
- tyre type
- maximum pressure
- lubrication
- chain gears
- sliding surfaces
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11. TROUBLESHOOTING
Problem
Possible cause
Correction
No green light illuminates after RC
is turned on
No or empty batteries in the RC
Insert fully charged batteries into
the RC.
RC failure
Turn off the RC and turn it on
again. If restart does not help,
contact an authorized service.
Red light flashes after RC is
turned on
Empty RC batteries
Insert fully charged batteries into
the RC.
After pressing the confirmation /
horn button a connection between
the RC and the mower is not
established. The mower is
otherwise fully functional.
The RC does not belong to this
mower.
Check the RC number and Control
Unit number. They must be
identical. Use the correct RC.
Signal is interfered with by
another device working on the
same frequency.
Turn off the interfering device, get
closer to the mower.
Press and holed the antenna
button on the RC and at the same
time press the horn button to
change the RC channel. Then
press the horn button again.
The mower does not activate after turning on the main switch on the mower
Beacon does not flash (failure of
main electric power supply)
Battery is not connected properly
or is empty
Properly connect a fully charged
battery.
Disconnected cables of the mower
electric harness
Check cables and connectors.
Main fuse failure
Change the fuse for a new one
with the same value
Beacon flashes (electric power is
supplied)
Mower battery is not fully charged
Charge or replace mower battery
Connection between the RC and
the Control Unit was not confirmed
Repeatedly press the RC
confirmation button. Check the RC
functions. See the beginning of
this chapter.
Control Unit is not properly
connected
Check the LED light on the
Control Unit. It must flash.
Control unit is properly connected,
but the light on the Control Unit is
not flashing.
Control unit failure. Contact an
authorized service centre.
Mower cannot be started. Communication between RC and Control Unit is OK. Mower power supply
is OK. Beacon is flashing.
Neutral light is not illuminated
Communication between RC and
Control Unit was not confirmed.
Press confirmation / horn button
on the RC
Drive servomotor is not in the
neutral position.
Move drive joystick slightly
forward and backward until neutral
light illuminates.
Check if the drive servomotor
lever is not mechanically blocked
(by debris, sticks etc.)
Release the drive servo lever so
that it can freely move.
Light is damaged (does not affect
starting of the mower)
Change the LED neutral light
Servo lever does not respond to
Restart the mower and try again.
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joystick movement
Otherwise contact authorized
service
Neutral light is illuminated
No relay clicking sound is audible
from the fuse box when start
button on the RC is pressed
Change the starter relay in the
fuse box.
Neutral light is illuminated.
Starter relay works correctly.
Engine brake is activated
Release the engine brake by
pressing the lever, which activates
starter and ignition.
Neutral light is illuminated.
Starter relay works correctly.
Engine brake is released
Disconnected cable between fuse
box and started
Check cables and connectors
Defective switch of the engine
brake.
Check voltage before and behind
the engine brake switch. You
should read 12 V when start
button is pressed.
Defective engine starter
Replace the engine starter
Mower cannot be started.
Starter freely turns the engine.
Closed fuel cock or lack of fuel in
the fuel tank
Check the fuel cock and refuel
Clogged fuel filter
Change the fuel filter.
Low quality fuel
Change fuel
Disconnected or defective spark
plug
Check the spark plug and replace
if necessary
Broken ignition cable
Check the cable
Defective switch of the engine
brake
Change the switch.
Dirty air filter
Clean or change the air filter and
rough air filter
Clogged and dirty carburettor
Clean the carburettor
Blocked or non-functional
automatic engine choke.
Check the choke line, replace if
necessary.
Clogged engine exhaust.
Clean
Mower cannot be started.
Starter turns the engine with
difficulty.
Blocked mowing blade
Disengage blade clutch and select
maximum height of cut
Empty battery
Check battery voltage and
recharge or replace battery if
necessary.
Lack of engine oil
Check and add engine oil
Worn starter pinion
Replace
Defective started
Replace
Blocked drive belt
Clean the belt space and make
sure it turns freely
Blocked hydraulic pump.
(possible repair should only be
performed by authorized service)
After releasing drive belt check if
the pump pulley freely turns.
Blocked alternator
After releasing drive belt check if
the alternator freely turns. Clean
the space around the alternator.
Drive servo lever does not react.
Connection between RC and CU
is OK. Mower can be started.
Loose lever between the
servomotor and the hydraulic
pump
Check the tightness of nuts and
bolts of the lever mechanism
Mower drive does not work or is
insufficient
Open pump By-pass
Close the pump By-pass
Worn, broken or loose drive belt
Check the drive belt
Lack of oil in hydraulic system
Add oil in authorized service
Worn mechanical elements of the
hydraulic circuit
Change in authorized service
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Overheated hydraulic oil
Let the mower cool down and
clean the space around the
hydraulic pump for better cooling
Mowing blade clutch slips
Dirty functional surfaces of clutch
Clean
Clutch worn out excessively
Replace worn components
Clutch damaged by hitting a firm
obstacle
Check the blade hub and replace
if necessary.
Clutch does not stop the blade
Dirty functional surfaces of clutch.
Clean
Block clutch disengagement
mechanism
Check and clean.
Clutch worn out excessively
Replace worn components
Clutch makes noise
Dirty functional surfaces of clutch.
Clean
Clutch loose on the crankshaft or
loose blade.
Tighten and glue fastening bolts
of clutch and blade
Worn clutch bearings
Check free turning of functional
components of the clutch. Replace
if necessary.
Mower vibrates when clutch
engaged.
Unbalanced or bent blade
Balance and sharpen blade,
replace if necessary
Damaged blade hub
Replace
Bent crankshaft
Contact authorized service
Insufficiently tightened blade
Glue and tighten blade bolts
Mower pivots around vertical axis
while driving
Unevenly inflated tyres
Check tyre pressure
Wrong wheel geometry
Check and adjust geometry
Bad mowing quality
Overgrown, wet or tall grass
Mow grass max. 3x higher than
the selected height of cut. Let the
grass dry before mowing.
Blunt or worn mowing blade
Sharpen or replace the blade
Low engine RPM
Check engine RPM in an
authorized service centre
High driving speed
Slow down
Clogged mower deck
Clean
Engine brake does not work when
EMERGENCY STOP button is
pressed
Dirty surfaces of the lever
mechanism
Clean and lubricate
Mechanically damaged brake
mechanism.
Check in an authorized service
centre.
Engine brake excessively worn
Replace in an authorized service
centre.
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12. AFTER-SEASON MAINTENANCE
When the season is over or if the machine is not going to be used for longer than 1 month, it is advisable to
prepare it for storage. If fuel stays in a tank longer than 1 month without moving, it may create sticky
sediment that can unfavourably affect the carburettor and the whole fuel system and cause engine
malfunction.
Thoroughly clean the whole machine, especially the mowing mechanism.
Replace damaged or worn-out parts
Check all bolted connections. Tighten all loose nuts and screws.
Lubricate all mobile parts – the whole machine (according to the lubrication plan)
Empty the fuel tank and let the engine run until it runs out of fuel.
When emptying the fuel tank, work in an open area outside.
Prepare the engine for storage (according to the user’s manual of the engine)
Disconnect the ignition cable.
Turn the engine by starting it shortly with the ignition key without spark plugs on.
Screw the spark plug back hand tight. Do not connect the cable.
Dismount the Accumulator and store it on the dry and warm place.
Keep the mower in a safe and dry place. Use the permeable cover to protect the mower
against the corrosion.
Do not allow unauthorized people approach the mower.
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13. WARRANTY CONDITIONS
This document sets out the extent, conditions and manner of exercising rights stemming from the
Manufacturer’s liability for defects of the delivered Product
1. Dvořák – svahové sekačky Ltd., registered office Dvorce 62, HavlíčkůvBrod 58001, Czech Republic, ID No.
2601379 (further referred to as “Manufacturer”) provides a Warranty for new Products according to the set
regulations for a period of 24 months from the day the Product is delivered to the Customer, or from such a
Product being set into operation, or up to 800 operating hours, according to whichever happens first. The
Warranty period for new spare parts delivered under Warranty expires together with the Warranty period of
the whole Product/machine.
2. Claims stemming from the Warranty must be exercised with the Distributor / Dealer and also resolved by
them. A properly completed Warranty sheet must be presented and all of the inspections prescribed by the
Manufacturer must have been implemented. Incorrect information, additional extracts or overwriting on the
Warranty card lead to loss of the Warranty.
3. The Warranty applies to defects on the Product caused by defective raw materials, construction faults or
made workmanship. Defective parts on the Product will be replaced free of charge with a new part or
repaired. No entitlement to immediate delivery is created and the Manufacturer takes on no liability for
damage claimed for as a result of delayed delivery.
4. The Warranty does not relate to regular wear and tear (parts susceptible to regular wear and tear
especially include the following: blades, blade hubs with bearings, bearings of wheel shafts, spark plugs,
air filters, belts, chains, tires, sealing, hydraulic hoses, winch rope etc…).
5. The Warranty cannot be claimed against if the cause of the defect is:
a) The effects of external mechanical or chemical influences on the Product
b) Unreasonable handling of the Product, overloading it, neglect or incorrect operation
c) Repair of maintenance of the Product performed by a third party, which was not authorised to carry out
such work by the Distributor / Dealer or Manufacturer
d) Installation of such parts into the Product, the use of which is not approved by the Manufacturer
e) Implementation of changes to the Product, which were not approved by the Manufacturer
f) The fact that the Manufacturer’s regulations were not adhered to for handling the Product, its
maintenance and treatment (e-g. the instruction and maintenance manual), especially if the prescribed
Warranty inspections were not carried out
g) The fact that the user neglected declaration and removal of defects, which were apparent when they
took receipt of the Product or which they did not immediately provide notification of an have removed,
when they arose later
6. In case of Products sold with a discount the Warranty does not extend to defect for which the discount was
granted.
7. All claims stemming from the Warranty are forfeit on expiry of the Warranty period. In the case of defects,
for which notification was made during the course of the Warranty period and which were not removed
during this period, this Warranty remains valid until the defect is removed. In this case, the Warranty is
terminated at the latest within 1 month of the last repair or after declaration by the Distributor / Dealer that
the defect was removed or that this does not concern a defect.
8. The Manufacturer is not liable for any economic loss or for any subsequent damage caused to persons or
their property, which was created as a result of failure of the Product.
9. The Warranty will only be valid subject to the condition that the correctly completed part 2 of the
“Combined delivery note” is delivered to the Manufacturer within 14 days of the date the Product is
delivered to the Customer.
10. The Warranty applies to the Product in the condition in which it leaves the production plant. The
Manufacturer is not liable for damage during transportation.
11. In the event of a change in owner, it is possible to transfer the remaining part of the Warranty period to the
new owner if the Manufacturer is requested to do so. The new owner confirms that they have taken receipt
of the instruction manual at the same time as the Product as well as the Warranty conditions and that they
agree with these.
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12. The Warranty period is extended by the period of the duration of the Warranty claim assessment. (The
Warranty claim assessment period begins on the day following the day the Product is accepted for
assessment and terminates on the day the Warranty is acknowledged or rejected, not on the day the
Customer collects the Product back). In case the Warranty claim is rejected, the Warranty period will not be
extended!
13. After inspecting relevant documents and the claimed product the Distributor / Dealer will:
a) acknowledge the Warranty claim as warrantable and settle the claim on spot; in case it is not possible
to settle the acknowledged claim on spot, they will accept the Product into Warranty procedure during
which the acknowledged claim will be settled without unnecessary delay. The Distributor / Dealer will
issue a written document certifying the acceptance of the Product from the Customer and both parties
will confirm it by their signatures; or
b) reject the Warranty claim as unwarrantable and together with the Customer they will agree on further
steps, or
c) accept the claimed Product for a professional assessment based on which the warranty claim will
either be acknowledged and consequently settled without unnecessary delay, or rejected. The
Distributor / Dealer will issue a written document certifying the acceptance of the Product from the
Customer and both parties will confirm it by their signatures. The Distributor / Dealer will inform the
Customer about the result of the assessment (acknowledgement or rejection of the Warranty claim) in
a previously agreed manner (in writing or by one of long-distance communication devices).
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