PT26 D
Table of contents
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PT 26D
Operator´s manual
English
1
Contents
Chapter 1:Introduction ................................................. 3
Congratulations ........................................................ 3
Driving and Transport on Public Roads ...................3
Towing ..................................................................... 3
Use ........................................................................... 4
Proper Service .........................................................5
Serial Number .......................................................... 6
Chapter 2:Symbols and Decals................................... 7
Chapter 3:Safety Instructions.................................... 11
General Use ...........................................................11
Driving on slopes ...................................................16
Children .................................................................. 18
Maintenance .......................................................... 19
Transport ................................................................ 25
Environment protection .......................................... 26
User responsibility .................................................. 28
Chapter 4:Presentation .............................................. 29
1-2. Speed control .................................................. 34
3. Parking brake .....................................................35
4. Control panel ...................................................... 35
5-9. Seat ................................................................35
10. Steering wheel and steering wheel console ..... 37
11. Differential Lock ...............................................38
12. Adjusting the cutting height ..............................38
13. Fuelling ............................................................39
21-37. Controls on the control panel ......................40
21. Control lever hydraulics ...................................40
22. Switch for operation of cutting unit ...................42
23. Switch for extra hydraulic function
(hydraulic kit option) ...............................................42
24. Push button for horn (traffic kit option) .............43
25. Indicators (traffic kit option) ..............................43
26. Starter switch ...................................................44
27. Headlight ..........................................................44
28. Throttle control .................................................45
29. High speed .......................................................45
30. Weight transfer .................................................46
31. Rotating warning light (traffic kit option) ...........46
32. Parking lights (traffic kit option) ........................47
33. Spare ................................................................47
34-35.Power outlet .................................................47
36. Chronometer ....................................................48
40-51. Warning lamps ............................................48
49. Lever for steering wheel console angle ............49
Adjusting the steering wheel setting .......................49
Cooling system .......................................................50
Cutting unit .............................................................54
Accessories ............................................................55
Towing ....................................................................55
Chapter 5:Driving........................................................ 57
Mowing Tips ..........................................................57
Before Starting .......................................................59
Starting the engine .................................................61
Driving the machine ................................................66
Braking ...................................................................68
Cutting the engine ..................................................69
Bleeding in the event of fuel stoppage. ..................70
Engine stop ............................................................70
Chapter 6:Maintenance .............................................. 71
Maintenance Schedule ...........................................71
Cleaning .................................................................77
Removing the machine’s covers ............................79
Checking radiatorgrilles ..........................................79
Cleaning the radiator's heat exchanger ..................80
Adjusting the pump and generator drive belts ........80
Replacing the pump and generator drive belts .......81
Checking and adjusting the throttle control ............81
Checking the exhaust system ................................82
Adjusting the parking brake ....................................83
2
Contents
Servicing the air filter ..............................................84
Cleaning the cyclone filter ......................................84
Replacing the air filter .............................................85
Bleeding the fuel system ........................................86
Servicing the fuel filter ............................................87
Checking the Tyre Pressures .................................88
Servicing the battery ...............................................89
Fuses ......................................................................90
Checking the Safety System ..................................92
Replacing the bulb in the headlight ........................93
Light setting ............................................................94
The Cutting Unit Components ................................95
Attaching and removing the cutting unit .................95
Side shifting the cutting unit ...................................96
Setting the cutting height and tilt angle ..................99
The Cutting Unit’s Service Position ......................101
Cutting Unit Model ................................................103
Checking the Blades ............................................104
Replacing the power take-off belts .......................105
Adjusting the power take-off belts ........................106
Replacing the cutting unit belt ..............................107
Removal of BioClip Plug .......................................109
Chapter 7:Lubrication............................................... 111
Lubrication Schedule ............................................111
General .................................................................112
Lubricating the cables ..........................................112
Accessories ..........................................................113
Lubricating in Accordance with the Lubrication
Schedule ..............................................................113
Chapter 8:Trouble Shooting Guide .........................127
Chapter 9:Storage.....................................................133
Winter Storage .....................................................133
Service .................................................................135
Chapter 10:Electrical system...................................137
Chapter 11:Hydraulic System ..................................138
Chapter 12:Fuel system ...........................................141
Technical Data........................................................... 143
Design standards......................................................149
WARNING:
Failure to observe the safety instructions or
operating instructions can result in serious injury
to the operator or others. The machine’s owner
must understand the importance of these
instructions and only allow operators who are
trained on the machine and who understand the
instructions to handle the machine. The operator
must, with full judgement, handle the machine with
care and must not be under the influence of alcohol,
drugs or medication that affects judgement.
3
Introduction
Chapter 1: Introduction
Congratulations
Thank you for purchasing a Husqvarna PT 26D. Husqvarna PTs have been designed according to a unique concept
with a front mounted cutting unit and Husqvarna's unique rear wheel steering. The machine is built to give maximum
efficiency even in small and difficult areas. Collected controls and a hydrostatic transmission controlled by pedals
also contribute to the machine’s performance.
This Operator’s Manual is a valuable document. Following the instructions (use, service, maintenance, etc.) can
considerably increase the service life of your machine and even increase its resale value.
When you sell your machine, make sure to give the operator’s manual to the new owner.
A service journal is available for the machine. Ensure that service and repair work is documented. A well-kept
service journal reduces service costs for the season-based maintenance and affects the machine’s resale value.
Take the service journal along when the machine is taken to the workshop for service.
Driving and Transport on Public Roads
Check applicable road traffic regulations before driving and transport on public roads. You should always use
approved load retainers during transport and ensure that the machine is well secured.
Towing
The PT 26D is equipped with hydrostatic transmission and a bypass valve must be used when towing.
4
Introduction
Use
This machine is designed to mow grass on ordinary lawns and other open and level ground surfaces without
obstacles such as stones, stumps and the like. All other types of use are incorrect. The manufacturer’s instructions
with regard to driving, maintenance and repair must be followed precisely, even when the machine is equipped with
special accessories supplied by the manufacturer for which operating instructions accompany the delivery.
This machine should be operated, serviced and repaired only by persons who are familiar with its particular
characteristics and who are acquainted with the relevant safety instructions.
Accident prevention regulations, other general safety regulations, occupational safety rules, and traffic regulations
must be observed.
Unauthorised modifications to the design of the machine may absolve the manufacturer from liability for any
resulting personal injury or property damage.
5
Introduction
Proper Service
Husqvarna’s products are sold all over the world and only by specialised retail traders offering complete service.
This ensures that you as a customer receive only the best support and service. Before the product is delivered, the
machine has, for example, been inspected and adjusted by your dealer, see the certificate in the Service Journal.
When you need spare parts or support concerning service, warranty issues, etc., please consult the following
professional:
This operator’s manual belongs to the
machine bearing serial number:
Engine Transmission
6
Introduction
Serial Number
The serial number can be found on the printed plate attached on the right-hand side under the seat. The plate
includes the following information:
• The machine’s type designation.
• Weight.
• The manufacturer's type number.
• The machine’s serial number.
• Manufacturer.
Please state the type designation and serial number when ordering spare parts.
The engine’s serial number is on the engine block above the injection pump.
Please state this when ordering spare parts.
The hydraulic pump and hydraulic motors are equipped with rating plates that indicate type designation and serial or
manufacture numbers.
Please state these when ordering spare parts.
7
Starting instructions:
Activate the parking brake
Read the operator’s manual
Hydrostat pedals in neutral
position
Fuel Fast
Engine off
Oil level
Cutting
Use protective
gloves
Use hearing
protection
Warning
Tyre
pressure
Read the
operator's manual
Use protective
glasses
CE conformity
marking
Slow
Danger. Keep your hands and
feet away
Noise emission to
surroundings in
accordance with the
directive of the
European Community.
The machine’s
emission is indicated in
the TECHNICAL DATA
chapter and on the
decal.
Poisonous
Hazardous to
health
Symbols and Decals
Chapter 2: Symbols and Decals
These symbols are found on the machine and in the operator’s manual. Symbols for control units and warning lamps
are displayed in chapter “Presentation”, see page 42 and following pages.
Study them carefully so you understand their significance.
Symbols and Decals
Read the
Operator's manual
8
Parking brake
Warning!
Rotating
blades
Only for
attached
cutting unit
Do not insert
your hands
or feet under
the cover
when the
engine is
running
Never carry
passengers
on the
machine
or on its tools.
1
0
61 93 445
Pedal forwards
Pedal backwards
Differential lock
Warning!
Risk of the
machine
overturning
Drive very
slowly
without the
cutting unit
Never
drive
directly
across a
slope
Never use the
machine if
there are
people,
especially
children, or
pets, in the
immediate
vicinity.
9
Symbols and Decals
WARNING:
Xxxxxx x xxxx xxxxx xxxxx xxxxx Xxxxxxxxxxx xxx
xxxxxx. Xxxx xxxxxxx xxx xx xxxx
Used in this publication to notify the reader of a risk of serious personal injury , particularly if the reader should
neglect to follow instructions given in the manual.
10
Symbols and Decals
IMPORTANT INFORMATION:
Xxx xxx xxxx xxxxxxxxx xxx xxxxx xxx xxxx xx
xxxxx xx xxxxx. Xxx xxxxxxxx xx x x xxxxxxx xx
xxxx xxxx.
Used in this publication to notify the reader of a risk of material damage , particularly if the reader should neglect to
follow instructions given in the manual. Used also when there is a potential for misuse or misassembly.
Avoid hosing the decals with high pressure washers. Replace damaged decals before the machine is used.
11
Read the operator’s manual before starting the machine
Safety Instructions
Chapter 3: Safety Instructions
These instructions are for your safety. Read them
carefully.
General Use
• Read all instructions in this operator’s manual and
on the machine before starting it. Ensure you
understand them and then observe them.
• Learn how to use the machine and its controls
safely and learn how to stop quickly. Also learn to
recognise the safety decals.
• If you get into a situation where you feel unsure
about how to progress, stop and seek expert
advice. Contact your Husqvarna retailer, service
agent or an experienced user. Avoid all usage that
you consider to be beyond your capability.
• Only allow the machine to be used by adults who
are familiar with its use.
• Make sure nobody else is in the vicinity of the
machine when you start the engine, engage the
drive, or run the machine.
Safety Instructions
• Clear the area of objects such as stones, toys,
steel wire, etc. that may become caught in the
blades and thrown out.
• Beware of the rear ejector and do not point it at
any one.
• Stop the engine and prevent it from starting before
you clean the cutting unit.
• Remember that the driver is responsible for
dangers or accidents.
• Never carry passengers. The machine is only
intended to be used by one person.
• Always look down and behind before and during
reversing manoeuvres. Keep watch for both large
and small obstacles.
• Slow down before turning.
12
Clear the area of objects before mowing
Never take passengers
13
Shut down the blades
• Shut down the blades when not mowing. The
blades must only be running when the cutting unit
is lowered and active when used for mowing.
• Be careful when rounding fixed objects, so that the
blades do not hit them. Never run the machine
over foreign objects.
• Never drive close to objects or other machines.
Remember that “Brake pedal reflex” from driving a
car has the opposite effect if you press on the
forward pedal.
Safety Instructions
Safety Instructions
WARNING:
Engine exhaust, some of its constituents and certain
vehicle components contain or emit chemicals
considered to cause cancer, birth defects or other
reproductive impairment. The engine emits carbon
monoxide, which is a colourless, poisonous gas. Do
not use the machine in enclosed spaces.
• Only use the machine in daylight or in other well-lit
conditions. Keep the machine at a safe distance
from holes or other irregularities in the ground. Pay
attention to other possible risks.
• Never use the machine if you are tired, if you have
consumed alcohol, or if you are taking other drugs
or medication that can affect your vision,
judgement, or co-ordination.
• Beware of traffic when working near or crossing a
road.
14
Keep children away from the work area
• Never leave the machine unsupervised with the
Personal protective equipment
motor running. Always stop the blades, apply the
parking brake, stop the engine and remove the
keys before leaving the machine.
• Never allow children or other persons not trained
in the use of the machine to use or service it. Local
laws may regulate the age of the user.
WARNING:
You must use approved personal protective
equipment whenever you use the machine. Personal
protective equipment cannot eliminate the risk of
injury but it will reduce the degree of injury if an
accident does happen. Ask your dealer for help in
choosing the right equipment.
15
Safety Instructions
• Use hearing protection to minimise the risk of
hearing impairment.
• Wear approved protective goggles or a full visor
when driving.
Safety Instructions
• Never use the machine when barefoot. Always
wear protective shoes or protective boots,
preferably with steel toes.
• Make sure that you have first aid equipment close
at hand when using the machine.
Driving on slopes
Driving on slopes is one of the operations where the
risk of the driver losing control of the machine or of it
overturning is the greatest; this can result in serious
injury or death. All slopes demand extra care. If you
cannot reverse up a slope or if you feel unsure, do not
mow it.
16
WARNING:
Do not drive down slopes with the unit raised.
Control can be reduced due to the changed centre of
gravity.
Do as follows
• Remove obstacles such as stones, tree branches, etc.
• Mow up and down, not side-to-side.
Mow upwards and downwards on slopes, not sideways.
• The differential lock should also be used on
Be extra cautious when driving on slopes
slopes.
• Never drive the machine on terrain that slopes
more than 10°.
• Avoid starting or stopping on a slope. If the tyres
start to slip, stop the blades and drive slowly down
the slope.
• Always drive evenly and slowly on slopes.
• Make no sudden changes in speed or direction.
• Avoid unnecessary turns on slopes, and if it proves
necessary, turn slowly and gradually downward, if
possible.
• Watch out for and avoid driving over furrows,
holes, and bumps. It is easier for the machine to
overturn on uneven ground. Tall grass can hide
obstacles.
• Drive slowly. Do not turn the wheel sharply.
• Be extra cautious with any additional equipment,
which can alter the machine’s stability.
• Do not mow near verges, ditches, or banks. The
machine can suddenly overturn if one wheel
comes over the edge of a steep slope or a ditch, or
if an edge gives way.
• Do not mow wet grass. It is slippery, and tyres can
lose their grip so that the machine skids.
17
Safety Instructions
Safety Instructions
• Try not to stabilise the machine by putting a foot on
the ground.
• When cleaning under the machine, it may never be
driven near verges or ditches.
Children
• Serious accidents may occur if you fail to be on
guard for children in the vicinity of the machine.
Children are often attracted to the machine and
mowing. Never assume that children will stay put
where you last saw them.
• Keep children away from the mowing area and
under close supervision by another adult.
• Keep an eye out and shut off the machine if
children enter the work area.
• Before and during a reversing manoeuvre, look
backward and downward for small children.
• Never allow a child to ride with you. They can fall
off and seriously injure themselves or be in the
way for safe manoeuvring of the machine.
• Never allow children to operate the machine.
• Be particularly careful near corners, bushes, trees
or other objects that block your view.
18
Never allow children to operate the machine
Maintenance
Never fill the fuel tank indoors
• Stop the engine. Remove the ignition key before
making any adjustments or carrying out
maintenance.
• Never fill the fuel tank indoors.
• Only store fuel in clean containers approved for
the purpose.
• Never remove the fuel cap or fill the fuel tank with
fuel while the engine is running.
• Allow the engine to cool before refuelling. Do not
smoke.
• Handle oil, oil filters, fuel and the battery carefully,
of environmental considerations. Observe
applicable recycling regulations.
• Do not allow compressed air to come into contact
with skin. If compressed air penetrates the skin,
seek medical advice immediately.
• Seek medical advice immediately if skin comes into
contact with fuel, which that is under high pressure.
• The combustible material in some of the engine’s
components (e.g. certain seals) can be very
dangerous if ignited. Never allow burnt material to
come into contact with skin or eyes.
19
Safety Instructions
Safety Instructions
• Do not remove the filler cap or any other
component on the cooling system when the engine
is hot or under pressure, as hazardous hot coolant
can spray out.
WARNING:
The engine, exhaust system, cooling system and
hydraulic system components become extremely hot
during operation. Risk of burn injuries if touched.
Wear protective gloves
• If leaks arise in the fuel system, the engine must
not be started until the problem has been resolved.
• Store the machine and fuel in such a way that
there is no risk of leaking fuel or fuel vapour
leading to damages.
20
• Check the fuel level before each use and leave
space for the fuel to expand, because the heat
from the engine and the sun may otherwise cause
the fuel to expand and overflow.
Tank with level window
• Avoid overfilling. In the event of spilling fuel on the
Risk of sparking
machine, wipe it up before starting the engine. If you
spill petrol on your clothing, change your clothing.
• Material that has been contaminated by fuel must be
moved to a fire proof and environmentally safe place.
• Allow the machine to cool before taking any
actions in the engine room.
WARNING:
The battery contains lead and lead compounds,
chemicals that are considered to cause cancer, birth
defects, and other reproductive system damage.
Wash you hands after touching the battery. Use
protective goggles when working with the battery.
21
Safety Instructions
• Sparking can occur when working with the battery
and the thick cables in the starter motor circuit.
This can cause the battery to explode, fire or eye
injuries.
Sparking in the circuit can not occur once the
battery's power connection cable (usually the
black negative cable) has been disconnected.
Safety Instructions
IMPORTANT INFORMATION:
Avoid sparking and its consequences by:
Wearing protective glasses.
Make sure that the fuel cap is fitted and that no
flammable liquids are stored in an open container.
Do not work on the starter motor circuit in the vicinity of
spilt fuel.
Disconnect the battery's power connection cable (usually
the black negative cable) first and connect it last.
Exercise care with tools so that short circuiting does
not occur.
Do not short circuit across the starter relay's
connections to run the starter motor.
• Be especially careful when handling battery acid.
Acid on the skin can cause serious corrosive
injuries. In the event of spillage on the skin wash
immediately with water.
22
• Acid in the eyes can cause blindness, contact a
Do not smoke when carrying out maintenance
Never drive the machine in an enclosed space
doctor immediately.
• Be careful when servicing the battery. Explosive
gases form in the battery. Never perform
maintenance on the battery while smoking or in the
vicinity of open flames or sparks. This can cause
the battery to explode and cause serious injuries.
• Make sure all nuts and bolts are tightened correctly
and that the equipment is in good condition.
• Do not modify safety equipment. Check regularly to be
sure it works properly. The machine must not be driven
if protective plates, protective covers, safety switches or
other protective devices are not fitted or are defective.
• Do not change the settings of governors and avoid
running the engine with overly high engine speeds. If
you run too fast, you risk damaging the machine
components.
• Never use the machine indoors or in spaces lacking
proper ventilation. Exhaust fumes contain carbon
monoxide, an odourless, poisonous and highly
dangerous gas.
• Stop and inspect the equipment if you run over or into
anything. If necessary, make repairs before starting.
• Never make adjustments with the engine running.
23
Safety Instructions
Safety Instructions
• The machine is tested and approved only with the
equipment originally provided or recommended by the
manufacturer.
• The blades are sharp and can cause cuts and gashes.
Wrap the blades or wear protective gloves when
handling them.
• Check the parking brake’s functionality regularly.
Adjust and maintain as required.
• The mulching unit should only be used where better
quality mowing is required and in known areas.
• Reduce the risk of fire by removing grass, leaves
and other debris that may have fastened in the
machine. Allow the machine to cool before putting
it in storage.
• Do not turn over the engine by hand without
preventing the engine from starting, which can be
done in different ways:
a. Remove the glow plug, no compression the engine
can therefore be easily turned over.
24
b. Loosen a pressure pipe connection on each jet
pipe a 1/2 turn.
c. Secure the injection pump stop arm in position for
zero supply.
Clean the machine regularly
25
Front securing eyelets
Safety Instructions
Transport
IMPORTANT INFORMATION:
The parking brake is not sufficient to lock the
machine during transport. Ensure you secure the
machine firmly to the transporting vehicle.
The machine is heavy and can cause serious crushing
injuries. Be extra cautious when it is loaded on or
unloaded from a vehicle or trailer.
• Use an approved trailer to transport the machine.
Activate the parking brake and secure the machine
using approved fasteners, such as straps, chains
or ropes when transporting.
• Check and comply with laws and regulations when
driving on public roads, a traffic kit is available as
an option. This can be retrofitted on PT 26D.
Safety Instructions
Environment protection
Take care of the environment, there are numerous
environmental risks especially when performing
maintenance on the machine. This particularly applies
when dealing with engine oil, hydraulic oil, fuel, oil
filters, hydraulic filters and fuel filters. You must be
attentive to ensure spillage does not occur when you
open a system that contains oil or fuel.
• Always wipe up spillage. When using cloths,
sawdust or oil absorbents, these should be treated
as environmental hazardous waste. Follow local
regulations.
• Choose an area, preferably with a concrete floor,
when you handle or store oils and fuel so that you
can clear up any spillage without it penetrating into
the ground.
• Avoid spillage, use a funnel and fill carefully.
• When draining, ensure that a suitably sized
container is placed correctly. Remember that the
oil does not always run straight down.
• Transfer the waste oil into a sealed container and
hand in for destruction. Remember to follow local
regulations. Generally you can deposit waste oil at
workshops or petrol stations that handle waste oil.
26
• Replaced oil and fuel filters are environmental
hazardous waste, handle them as waste oil.
• Do not spill fuel when refuelling. One litre of diesel
fuel can, according to the Swedish Rescue
Services Agency, destroy up to one million litres of
drinking water. Spilt fuel is a fire risk.
• Wash your hands thoroughly when the job is done.
• Coolant is poisonous and sweet. Ensure that
animals do not come into contact with open
containers or pools of fluid.
• Bear in mind the risk of grass fire when working in
dry vegetation. Never operate a machine with a
modified or damaged muffler, as sparks from the
exhaust fumes can set dry grass on fire.
27
Safety Instructions
Safety Instructions
User responsibility
• Study and follow the safety instructions, see
“Safety Instructions” on page 11.
• Follow the maintenance schedule for care, see
“Maintenance Schedule” on page 71, lubrication
chart, see “Lubrication Schedule” on page 111 and
the instructions for operating the machine, see
“Presentation” on page 29 and “Driving” on
page 57.
• Follow the maintenance instructions, see
“Maintenance” on page 71, lubrication, see
“Lubrication” on page 111 and storage, see
“Storage” on page 133.
28
29
PT 26D
Speed control
Presentation
Chapter 4: Presentation
Congratulations on your choice of an exceptionally
high quality product. This operator's manual describes
Husqvarna PT 26D.
It is fitted with a Perkins 3 cylinder diesel engine
developing 26 horse power.
PT 26D is equipped with hydraulic steering and
attachment lift. They are supplied with pressure from a
pump on the engine.
The machine is all wheel drive in low speed mode.
The power transmission from the engine is hydrostatic.
It is supplied with pressure by a pump under the
driver’s seat. A shaft with two flexible couplings
powers the pump. Flow and direction are regulated
with the pedals, so that forward and reversing speeds
are variably controlled. One pedal to drive forwards (1)
and one pedal to reverse (2). The pump drives four
hydraulic motors in parallel, one for each wheel.
The power transmission is also used as service brake.
There are low and high speeds for driving. High or low
speed is selected using a switch.
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