SaMASZ PT Series User manual

SaMASZ sp.z o.o.
Poland, 15-161 Białystok, ul. Trawiasta 15
Established – 1984
tel. (+48) (85) 654 70 31
fax (+48) (85) 664 70 41
e-mail: [e-mail]
www.samasz.pl
OPERATOR'S MANUAL
CIRCULAR SAW - PT
PT3 – 190 – 1,90m
PT4 – 250 – 2,50m
IN0923EN001
2015.02.19
EDITION NO. 1
Original instructions
Serial number:

This operator's manual is indispensable part of any circular saw and is to
familiarize future user with principles of proper operation and use of the circular saw
as well as with risks these encompass. Prior to commissioning the circular saw the
contents of the hereby manual and safety advices should be learned thoroughly.
Prior to commissioning the circular saw operating
instructions of the extension arm must also be learned!
Apart from recommendations concerning designation of the machine, its proper
use also encompasses servicing and maintenance in good technical condition as well
as application of genuine spare parts only.
Circular saw should be operated, serviced and repaired only by personnel
aware of its technical data and safety precautions and procedures.
Provisions concerning accident prevention as well as any basic occupational
health and safety provisions and road traffic principles should always be followed.
The manufacturer does not bear any responsibility for damages resulting from
unauthorized repairs as well as modifications of the circular saw design without its
prior permission.
If there arise any doubts concerning the commissioning and use, please contact the
manufacturer's service.
In case of resale of the circular saw to any other user, operator’s manual must
be handed on with written confirmation of delivery of the manual.
NOTE:
Instructions given in this operator’s manual which are marked with
this symbol and warning signs on the machine warn against a risk.
NOTE:
Keep this manual for future use.
We congratulate you on the purchase of your new SaMASZ circular saw and wish you much
pleasure and the very best experience resulting from its operation.

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Table of contents page
1. IDENTIFYING THE MACHINE.................................................................................................4
2. INTRODUCTION........................................................................................................................4
3. INTENDED USE..........................................................................................................................5
3.1. Technical data ......................................................................................................................6
3.2. Design...................................................................................................................................6
3.3. Standard equipment and spare parts.....................................................................................7
4. SAFETY CONDITIONS .............................................................................................................7
4.1. General safety principles......................................................................................................7
4.2. Relocating onto another vehicle for transport......................................................................9
4.3. Residual risk.........................................................................................................................9
4.4. Bans....................................................................................................................................11
4.5. Residual risk assessment....................................................................................................11
4.6. Transport and delivery .......................................................................................................11
4.7. Safety decals.......................................................................................................................13
5. USAGE..........................................................................................................................................14
5.1. Coupling the circular saw and an extension arm................................................................14
5.2. Circular saw control ...........................................................................................................14
5.3. Transport position and drive ..............................................................................................14
5.4. Preparing circular saw for operation..................................................................................15
5.5. Safe commissioning and shutting down.............................................................................15
5.6. Operation............................................................................................................................15
6. MOUNTING AND ADJUSTMENTS.......................................................................................16
6.1. Mounting and dismounting circular blades........................................................................16
6.2. Checking belt tension.........................................................................................................16
6.3. Transmission v-belts ..........................................................................................................17
7. DEFECTS AND THEIR REPAIR............................................................................................17
8. OPERATING SERVICE...........................................................................................................18
9. MAINTENANCE AND STORING..........................................................................................18
10. DISMOUNTING AND WITHDRAWAL FROM USE..........................................................19
11. WARRANTY CARD .................................................................................................................19
12. WARRANTY TERMS...............................................................................................................20
12.1. Warranty claim procedure..............................................................................................20
12.2. Warranty repairs record..................................................................................................21

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1. IDENTIFYING THE MACHINE
Each circular saw can be identified owing to data plate, which is placed firmly onto the saw
body as shown below on Fig. 1.
Fig. 1. Data plate and its placement
Data plate includes:
A.
full name of the manufacturer,
G.
CE
marking means that the machine is conform with
B.
machine id number, Directive 2006/42/EC and harmonized standards,
C.
machine symbol,
H.
country of manufacture,
D.
date of manufacture,
I.
version no.,
E.
machine’s weight,
J.
bar code.
F.
quality check sign,
NOTE!
Should the contents of the herein manual be unclear, for more detailed information
on the machine ask the manufacturer or your dealer.
2. INTRODUCTION
 The saw is manufactured in accordance with safety standards requirements.
 Respecting recommendations herein shall ensure operation safety.
 If you have any questions concerning commission and operation of the machine, please contact
the manufacturer.
 Operator's manual remains an integral part of the circular saw equipment.
GENERAL PRECAUTION
When operating the circular saw warnings and safety rules marked with this sign
herein should be respected.
NOTE!
Operating the machine without previous familiarizing with its contents as
well as by unauthorized personnel, particularly by children, is strictly
forbidden.
G
B
E
F
H
D
C
A
I
J

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3. INTENDED USE
The circular saw is suitable exclusively for cutting tree branches, bushes with up to Ø190 mm
(Ø19 cm) or similar works. Using it for purposes other than provided shall be considered as misuse.
PT circular saws are designed to cooperate with the following extension arms:
•KWT 550 / KWT 550E / KWT 550EP – 5.50 m
•KWT 650 / KWT 650E / KWT 650EP – 6.50 m
•KWT 651E / KWT 651EP – 6.50 m
•Camel 900 / Camel 900EP – 9.00 m
The circular saw may also be mounted on other type of extension arm with the same linkage
type or any other previously adapted.
Fig. 2. Circular saw mounting plate
NOTE!
Use of the machine for purposes other than mentioned herein is forbidden.
Different use than the above mentioned shall be considered as improper and
may lead to revoking of the warranty. The machine should be operated,
maintained and repaired only by personnel who are familiarized with its
detailed specifications and safety rules and procedures. Willful modifications
to the saw may lead to revoking the warranty.

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3.1. Technical data
Tab. 1. Technical data
Circular saw type
Characteristic parameters PT3 – 190 PT4 – 250
Working width [m] 1,90 2,50
Circular blades [pcs] 3 4
Circular blade diameter [mm] 630
Max. cutting diameter [mm] 190
Required pump delivery rate [l/min] 70-100
Weight [kg] 195 250
Saw’s dimensions (length/width/height)
[mm] 1970/930/425 2605/930/425
Mounting on extension arm 6 bolts M14x50
Nozzles of hydraulic hoses M30x2
3.2. Design
Fig. 3. Design scheme
A
– Pulley
F
– Circular saw mounting plate
B
– V-belts
G
– Frame
C
– Tensioners
H
– Saw bumper
D
– Hydraulic engine
I
– Circular blades (2, 3 or 4, depending on model)
E
– Nozzles of hydraulic hoses
J
– Wedge
K
– Sweep valve
Well-proven design and quality materials ensure high reliability and durability of SaMASZ
machines.
A
B
C
D
E
K
F
G
H
I
J
I
J
I

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3.3. Standard equipment and spare parts
Saws are sold with the following standard equipment:
 warranty card,
 operator's manual with spare part list,
 spray paint (150 ml).
Equipment and spare parts:
 all parts found in catalogue of parts.
4. SAFETY CONDITIONS
NOTE!
Circular saw poses danger when used. It can exclusively be operated by a
trained person or a person under training and under supervision of an
experienced operator.
Each circular saw operator should be fully aware of potential risks resulting from
its operation and should know how these are avoided.
Whenever the circular saw is used, always make sure to use proper individual
protection equipment.
•Safety helmet
•Ear protection
•Protective gloves
Operator should always have a first-aid kit within his reach.
4.1. General safety principles
Connecting
 Mount and dismount the circular saw on an extension arm with the latter mounted on the
tractor, and when the whole aggregation is arrested by the tractor’s engaged parking brake.
Prior to starting the tractor, set the arm's foot in a position that is convenient for mounting the
saw.
 When connecting hydraulic hoses to the circular saw’s nozzles wear protective eyewear,
protective gloves and protective wear.
 Mount and dismount the extension arm-circular saw aggregate to and from the tractor on even
and paved surface while keeping particular attention.
 Never stand between the tractor and the machine, unless the tractor-extension arm aggregate is
protected against moving with the tractor's parking brake.
 Tractor's 3-point linkage should be adjusted, so that stiff connection between the tractor and
the extension arm, onto which the circular saw is mounted, is the result.
 Tractor with the mounted aggregation of extension arm and the circular saw should be
balanced in the manner, which allows stability of the whole aggregation of the tractor and
extension arm.
 Mount the circular saw on the extension arm only with use of genuine fittings and safety
devices.
 When connecting hydraulic hoses to tractor hydraulic connectors make sure, that either tractor
or the extension arm aggregate hydraulics are pressure free.
 In order to have the drive transmitted from the tractor onto the extension arm aggregate, use a
manufacturer-recommended PTO shaft only.

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Transport
 When driving on public roads always respect the local traffic regulations concerning warning
lights.
 When approaching transportation of the aggregation of the arm and the circular saw, take off
or partially disconnect PTO shaft from the tractor’s side.
 Prior to the transport protect circular blades with an additional protective guard.
 When transported the arm-saw aggregate shall have mobile warning light device and warning
triangle mounted for a slow driving vehicle.
 When transported the machine should always be set in transport position. See Fig. 6.
 Any modifications in the circular saw's position are possible only if no vehicles or
unauthorized personnel are around (children in particular).
 Driving speed should always be adjusted to current road conditions.
 Do not exceed permissible speed of 25 km/h.
Operation
 Unauthorized personnel and animals should be present in safe distance, which is at least 50 m
from the circular saw. Keep particular attention when operating near roads and lanes, where
presence of unauthorized personnel is likely.
 When operating the arm-saw aggregation, the tractor should always be equipped with
operator's cabin.
 Prior to operating, the machine should undergo a technical inspection paying particular
attention to condition of basic connections of machine’s assemblies as well as proper
mounting of the machine to a tractor.
 Prior to commencing any works condition of circular blades must be examined, and if need
be, replaced with new ones.
 Prior to starting tractor make sure that each drive is disconnected while control levers for
hydraulics are in neutral position.
 Prior to moving make sure whether there are no unauthorized personnel directly nearby the
machine, give an acoustic signal.
 The tractor’s engine must never be left running without supervision. Before leaving the
tractor, turn the engine off, set the aggregation of tractor and extension arm in standstill
position and take the ignition key out.
 It is forbidden to drive the circular saw backwards when operating.
 Cutting with the circular saw can only be started when PTO rpm rate reaches 540 or 1000 rpm
(depending on the extension arm used).
 Perform any circular saw maneuvering only from the operator’s seat. DO NOT control from
outside the tractor’s cabin.
 When cutting, the circular saw should be set so that the cutting plane is always parallel to the
tractor's driving direction and, if possible, perpendicular to the road surface.
 Operating speeds of the tractor and the extension arm-circular saw combination should be
adjusted to operating conditions such as: size and volume of the branches being cut, degree of
the ground unevenness.
 It is recommended to keep low operating speed – with low tractor gears engaged. Applying
higher speeds may lead to damaging the circular saw and also the extension arm.
 Do not operate the circular saw after dusk.
 DO NOT leave the aggregation on any slopes without any additional protection.
 The operator is not allowed to leave the tractor while driving.
 In the event of any break in the equipment operation, turn off the drive.
 Bear in mind that when operating and transporting the machine in areas where high voltage
lines are present, special caution should be exercised due to possibility of contacting the
aggregate with the lines.

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Inspection and repair
 All inspection and repair related works should be performed with the tractor's engine off and
the tractor-cutting set combination is standstill position.
 Bolts and other fasteners should be inspected on regular basis (tightening torque as per Tab.
4). Operating with damaged or worn fasteners is not admissible.
 Damaged or worn (aged 5 years or more) hydraulic hoses and other hydraulic parts should be
replaced with new ones as recommended by the manufacturer.
 Examine condition of circular blades before commencing any operation. If blunt sharpen
these. Damaged or worn blades must be replaced with new ones.
 Use only genuine spare parts, which can be ordered at our store or at your dealer.
 When servicing hydraulic assembly, always wear protective gloves and eyewear. Hydraulic
oil leaking under pressure (16 MPa) may permeate through the skin and cause its infection
thereafter. If such is experienced, visit a doctor immediately.
 In case of a fatal failure, stop the machine's drive, turn the tractor's engine off and take out the
ignition key. Then call for technical service, and if an accident (in this case: road accident)
occurs, respect first aid rules and contact responsible services.
4.2. Relocating onto another vehicle for transport
 Both the carrier and the driver shall be responsible for the machine's transport safety. Any
equipment and parts must be secured properly for transport.
 The saw should be seized by any lifting device only in places indicated on the machine by the
hook sign,
 To lift the machine, use only lifting devices with hoisting capacity bigger than the circular
saw’s weight provided on the data plate.
 When relocating the circular saw onto another vehicle, there should be no unauthorized
personnel permitted to remain within the danger area.
 Circular saw should be protected from shifting on a vehicle's trailer.
NOTE!
Securing both the danger area and activity performed shall lie under the
responsibility of the person in charge of the circular saw transporting.
4.3. Residual risk
Despite the fact, that SaMASZ Sp. z o. o. Białystok company – the manufacturer of the
mower takes the responsibility for the machine design and manufacturing, in order to eliminate
hazard, certain risk when operating the circular saw is unavoidable. Residual risk results from
incorrect or improper behavior of the circular saw operator.
Major source of risk follows performance of these operations:
1. Operation of the machine by minors as well as not being learned with content of the operator's
manual,
2. Operating the saw by persons under influence of alcohol or other abusive substances,
3. Not exercising safety when transporting and operating,
4. Transport of persons remaining on the machine,
5. Presence of persons and animals within the circular saw's operation range,
6. Performing operations related to servicing and adjustment with engine on.

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NOTE!
Present residual risk results mainly from erroneous actions taken by operator
of the circular saw and not respecting principles provided herein.
NOTE!
When describing residual risk, the circular saw shall be considered a
machine, which until the moment of production launching had been designed
and manufactured in accordance with top technology level actual as per the
saw’s manufacture date.
Danger of catching
This kind of risk occurs when position of the circular saw is being changed, as a result of operating
near rotating parts.
Danger of cutting limbs off
Any contact of circular blades with hands leads to their amputation, and contact with body may be
fatal. Also operating without necessary caution or performing any inadmissible processing, e.g.
moving the saw perpendicularly to the cutting blades' plane may also cause such injuries.
Danger of wound
This kind of risk appears when operating parts with sharp edges are being replaced. For any repair
and maintenance works always wear safety gloves.
Danger of throwing out
Throwing out is one of the most dangerous phenomena, which are likely to occur when operating
circular saw. It is described as uncontrolled, sudden and very quick motion of an object or part of it
being treated (splinter, knurl, etc.). Direct impact of the material against human body may cause,
depending on this material weight and size, as well as speed and the impact location, bruises,
injections, loss of an eye, teeth, or even death due to damage to organs and vast internal
hemorrhages.
Danger of damaging hearing
Of all non-mechanical threats, the most serious is the noise which usually exceeds the admissible
levels in excess for a normal 8-hour working day. For this reason, ear protection must always be
used.
Danger of irritation to the respiratory tract
Lesser threat when cutting is also a dusty atmosphere as emission of significant fractions of fine
chips and dust. The operator thus should operate in a tight cabin with proper airflow.
Danger of irritation to skin and eyes
When connecting/disconnecting hydraulic hoses to and from tractor's hydraulic connectors make
sure that both tractor's and circular saw's hydraulics are pressure free, otherwise leak of oil under
pressure of approx. 16 MPa may occur. It also applies to damaged hoses. Therefore, when operating
hydraulic assembly, always wear protective gloves and eyewear. Inspect hydraulic hoses regularly.

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4.4. Bans
BANS!
Bear in mind the following bans when operating the circular saw.
 DO NOT clean impurities, make any adjustments or repairs when the saw is in motion.
 Never change the sequence of operation and maintenance works specified herein.
 Never use the circular saw, if it is not good operating condition.
 Never get near the circular saw’s working parts, which are in motion.
 When performing the circular saw repair and maintenance works always comply with the
descriptions included in the operator's manual, while conducting them with the tractor's drive
disconnected.
 Prior to approaching any works, focus your attention solely on the tasks to do.
 Never operate the circular saw when being under influence of alcohol, drugs or medicines
which impair motor skills.
 The circular saw cannot be operated by unauthorized and unskilled personnel.
 Keep attention whether there are no unauthorized personnel or animals around the circular saw.
 It is forbidden to cut tree branches and bushes, if the cutting plane goes through the tractor's
cabin.
4.5. Residual risk assessment
Keep the following recommendations:
1. Learn operator’s manual thoroughly,
2. Do not allow any person to remain on the machine when operating and driving,
3. Do not allow any person to remain within the machine's operating range,
4. Perform any works related to machine's adjustment, maintenance and lubrication with engine
off,
5. Perform machine repair works if skilled in such respect,
6. Operate the machine upon having learned the operator’s manual,
7. Protect the machine against access of children and any unauthorized personnel,
8. Residual risk when operating the machine may be limited to necessary minimum.
4.6. Transport and delivery
Both carrier and driver are responsible for machine transportation. All equipment and parts
must be secured for transport. In order to move the machine onto any other means of transport
follow the below rules.
 When hoisting do seize the points indicated for this purpose on the machine and labeled with a
hook symbol (Fig. 4) only,
Fig. 4. Manner of lifting saw when moving

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 For hoisting do use hoists with capacity bigger than the circular saw's weight as indicated on its
data plate. It also applies to the necessary cables and chains,
 Transport belts, belt suspensions, ropes cannot be damaged. Whenever damages to these parts
are found, replace these with new ones,
 When mounting slings, chains, clamps, etc. always keep in mind the centre of gravity of the
machine (Fig. 5) ,
 For seizing the machines pick lines of adequate length, so that the angle between them was no
greater than 120°, and the angle of inclination between the cable and the vertical was no greater
than 60°,
 collapsible elements should be locked in transport position,
 when relocating the machine onto another vehicle, there should be no unauthorized personnel
permitted to remain within the danger area,
 The machine should be protected from shifting on the vehicle's trailer.
Fig. 5. Location of centre of gravity
Tab. 2. Location of centre of gravity
Dimension [mm] Type
PT3 – 190 PT4 – 250
A 170 180
B 410 430
C 900 1150
NOTE!
Protecting the maneuver area and providing safety for operation performed is
responsibility of the person in charge of the machine moving.
A
B
C

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4.7. Safety decals
NOTE!
Always comply with safety decals describing risks, and warning signs placed
on the machine.
NOTE!
 All warning decals (labels) should be clean and legible.
 Lost or damaged decals (labels) must be replaced with new ones.
 New decals (labels) may be ordered at the Manufacturer.
NOTE!
Any assembly used for the circular saw repair should hold all warning decals
provided by the manufacturer.
N-2 N-3 N-4
Note! Cutting parts Prior to operation commencement
read the operator's manual
carefully
Prior to approaching any
maintenance or repair works, turn
the machine off
N-6 N-7 N-40
Note! Rotating parts Operating machine is forbidden
with any unauthorized personnel
within the danger area of 50 m
Transport holder
N-50 N-52 N-100
Do not remain in machine’s
swinging area Wear protective gloves Wear protective eyewear
N-102 N-103 N-168
Wear protective helmet Wear ear protection Do not touch machine parts until
all of its assemblies are stopped

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5. USAGE
5.1. Coupling the circular saw and an extension arm
In order to mount the circular saw on an extension arm the following should be performed:
 Prepare the circular saw to be mounted on an extension arm by setting it on an even, stable
ground.
 Lift the extension arm and drive at the prepared operating head.
 Position the end of the extension arm so it is place for attaching the saw connection plate.
 Turn tractor's engine off, secure with the parking brake and take ignition key off.
 Couple both of the connection plates by proper tightening of six bolts M14 – apply proper
torque (Tab. 4).
 Using hydraulic couplings connect hydraulic supply hoses to the circular saw.
5.2. Circular saw control
Controlling the circular saw is possible thanks to individual control panel of extension arm.
Operating instructions of the extension arm must be learned.
5.3. Transport position and drive
Transport position of the circular saw aggregated with SaMASZ extension arm corresponds to
the arm's transport position. See Fig. 6.
In case of mounting the circular saw on other type of extension arm, put the circular saw
aggregated with the arm in the compact most position. Moreover, the circular saw should be
positioned so that its circular blade’s flat surface is perpendicular to the driving direction.
Fig. 6. Circular saw on extension arm transport position
 Use any transport protective means as provided for controlling and design of the extension arm
to transport the aggregation of the arm and the saw.
 For transport dismount PTO shaft and protect circular blades against accidental exposure to
contact with any third party.
 Bear in mind the proper marking and lighting of the tractor-circular saw aggregate as a low-
speed vehicle to comply with road traffic provisions.
 Driving speed should always be adjusted to current road conditions.
 Transport speed on public roads cannot exceed the mean speed of 25 km/h.

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5.4. Preparing circular saw for operation
Prior to operating the circular saw perform the following:
 Thoroughly examine the circular saw, whether it is in operating condition and has no plays and
damages. Pay particular attention to condition of bolt connections and circular blades.
 Take off any locks and safety devices mounted on the arm-saw aggregate,
 Connect PTO shaft to the tractor.
 Upon making sure there is no unauthorized personnel around, start the circular saw with no
load and reach the max. rpm for the circular saw, and then shut down and inspect for oil leaks.
 If the circular saw's condition and its idle operation raise no doubts, start cutting with the
circular saw.
5.5. Safe commissioning and shutting down
Prior to commencing operation look around whether there are no unauthorized personnel or
animals within the range of 50 m. Then position the circular saw in the desired operating position
(always parallel to the driving direction) and once completed, start the circular saw. As the required
PTO rpm rate of 540 or 1000 rpm is reached, the cutting action may be commenced.
Prior to stopping the circular saw first seize cutting by driving the circular saw into a space
with no branches or bushes around. Then turn off the circular saw drive and wait until circular
blades come to a complete stop. Now manipulating with the extension arm can be started in order to
set the arm-circular saw aggregate to transport position.
5.6. Operation
In order to provide proper high quality operation, as well as to maintain circular saw
durability follow these principles:
 The circular saw can be used to cut tree branches, bushes, hedges with diameter of up to Ø190
mm (19 cm).
 Do nor allow the circular saw to get jammed, what may lead to its damage.
 It is recommended that the operator prior to commencing cutting sets the circular saw in an
adequate position and does not modify such position on a single go. Such manner of operation
provides work safety and treatment aesthetics.
 Longer branches should be cut gradually, while beginning from the top and ending at the bottom
due to a possibility of getting the circular saw jammed in the cut material.
 Bear in mind to adjust driving speed to the thickness and quantity of the branches cut at once in
order not to overload the circular saw and thus prevent it from damaging.
 When cutting thick and rigid branches (e.g. dried) ease off the circular saw's moment of contact
with a cut branch by significantly lowering the tractor's speed without reducing PTO rpm rate. In
order to avoid any impact contact what may cause damage to the circular saw.
 When cutting do not make any perpendicular motion with the extension arm in relation to the
cutting plane as this may lead to getting the circular saw jammed and thus damaged.
 The circular saw's cutting plane must always remain parallel towards driving direction and
possibly perpendicular to the ground on which the tractor is driving.
 Do not operate the circular saw with any contamination wound onto circular blades' hubs, as this
may lead to their locking.
 It is forbidden to use the circular saw for cutting any non-wooden materials.
 For long operating periods, it is recommended, on few-hours basis (preferably every 3-4 hours of
operation), to periodically inspect circular blades, bolt connections, as well as the circular saw
itself.
 It is forbidden to operate the circular saw if damaged. In order to continue operating remove any
damages.
 Blunt circular blades must be replaced with new ones.

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6. MOUNTING AND ADJUSTMENTS
6.1. Mounting and dismounting circular blades
In order to replace a circular blade use wrench no. 17.
For dismounting a circular blade untighten all self-locking nuts (E) and unscrew all bolts (A).
Next remove holding disk (B), and then remove worn circular blade (C) from resistance disk pin
(D) (Fig. 7).
To re-mount clean resistance disk (D) and install a new circular blade (C) onto resistance disk
pin (D). Next put back holding disk (B). Then tighten all bolts (A) through holes in holding disk (B)
and circular blade (C) into resistance disk (E) by tightening them with toque of 49 Nm. After this
tighten self-locking nuts (F) on bolts (A) and apply the torque of 49 Nm.
NOTE!
Bolt connections on the circular blade
must be examined every 5 working
hours.
Fig. 7. Dismounting circular blade
6.2. Checking belt tension
Fig. 8. Checking belt tension
Checking belt tension involves measuring belt strand deflection and should be performed
through inspection openings in the guard, which are plugged with rubber plugs, or upon
dismounting the guard.
In order to check the tension apply a load of 100N ~ 10kg in the belt strand half length L what
gives the deflection value U which should be 1÷5mm (Fig. 8).

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6.3. Transmission v-belts
Fig. 9. Adjusting tension of V-belts
In order to perform adjustment of V-belts' tension follow the instructions:
1. Untighten nuts (1), and the remove bolts (2) (Fig. 9). To facilitate bolts (2) removal, slightly
turn the tensioner with key (3) no. 36 counter-clockwise.
2. In order to tension the belt turn the tensioner with key (3) counter-clockwise and position, so
as it is possible to put back bolts (2). Then check tensioning of the belts according to item
6.2. The tensioner can be either tightened or loosened, if necessary.
3. Assemble the tensioner in a reverse order as the procedure given in step 1 above, paying
attention to bolt tightening torques from Tab. 4.
7. DEFECTS AND THEIR REPAIR
Tab. 3. Defects, causes and their repair
Default Cause Repair method
Circular saw fails
to cut
Circular blades are blunt Sharpen blades / replace with new
ones
Too low PTO rpm Switch up to 1000 rpm
Reduce to the lowest gear and speed
up
Seized bearings Replace circular saw bearings
Worn, damaged hydraulic
engine Recover hydraulic engine or replace with new one
Low rpm rate at
circular blades
Improper tractor's PTO rpm
engaged Switch tractor's PTO to 1000 rpm
Seized bearings Replace circular saw bearings
Low motor rpm Reduce to the lowest gear and speed
up
Worn bearings Replace with new ones
Plays on bolt connections Tighten bolts
Sliding v-belts Tighten belts or replace with new
ones
Contamination between hub and
resistance disk
Check for smooth rotation, and if
resistance is felt, dismantle and
remove the contamination

User's manual
CIRCULAR SAW - PT
- 18 -
NOTE!
Use only genuine SaMASZ fittings and spare parts. Spare parts of unknown
origin or new made feature lower strength and have unfavorable influence on
the device’s performance and overall safety, and virtually in all cases
increase maintenance costs.
NOTE!
The SaMASZ co. does not bear any responsibility for damages and defects
caused as a result of applying non-genuine parts and fittings.
8. OPERATING SERVICE
Tab. 4. Torque values for bolts
9. MAINTENANCE AND STORING
Upon dismounting the circular saw from the extension arm, if the idle period for the circular
saw is longer than one month, perform the following maintenance works:
•Clean the circular saw thoroughly from any dirt and then wash and dry it.
•Should the circular saw require any repairs, adjustments and supplementations, or grease, seal
replacements, perform them.
•Remove any sources of corrosion and complement any paintwork defect.
•Protect metal surfaces with thin layer of solid grease, e.g. ŁT – 43, or mineral engine or
gearbox oil, e.g. 15W40.
 The circular saw should be stored under roof and in manner which effectively prevents
animals and people from being injured.

User's manual
CIRCULAR SAW - PT
- 19 -
10. DISMOUNTING AND WITHDRAWAL FROM USE
In case of partial wearing of the circular saw, replace any worn parts. Prior to this, clean the
machine from dirt and chips. Then dismount circular blades. Next replace all worn parts with new
and assemble the circular saw using brand new couplings. Bolts should be tightened with torque
corresponding to their strength classes. Adjust tension of v-belts and pulleys so that they are
aligned.
Pay particular attention at any mounting and dismounting works and use drawings provided in
spare part catalogue.
Store damaged or worn parts in restricted area and then deliver to a scrap yard.
NOTE!
When mounting and dismounting, please remember about personal
protection as well as environmental protection means.
NOTE!
When dismounting the machine pay particular attention to and additional
dangers, as crushing, cutting, wounding, concussion. Use proper tools and
personal protection measures: protective gloves, clothes and footwear, eye
protection, etc. Pay attention not to allow the machine lose its stability and
therefore protect it with supports.
If the circular saw cannot be repaired anymore, it should be withdrawn from use. Prior to this,
clean the machine from dirt and chips. Dismount circular blades firstly. Then disassemble the whole
circular saw and remember to segregate parts according to kind of material used and deliver them to
a scrap yard.
11. WARRANTY CARD
The product’s quality has been checked and meets the required standards and regulations and
is permitted for use.
CIRCULAR SAW – PT
NOTE!
Warranty card without the required information or with corrected or illegible
information – is invalid.
Serial number
Date of manufacture
Manufacturer stamp
QC signature
Date of purchase
Dealer stamp
Dealer signature

User's manual
CIRCULAR SAW - PT
- 20 -
12.WARRANTY TERMS
12.1. Warranty claim procedure
1. The manufacturer provides good quality and defect-free operation of the circular saw
covered by this warranty if the circular saw’s operation is performed in accordance with this
operator's manual.
2. Faults or damages to the machine found within 12-month period from the date of purchase
shall be removed free of charge at the purchaser’s or the manufacturer’s.
3. Faults or damages should be submitted personally, on letter or by telephone. Repairs shall
be carried out within 14 days. Any repair which is subject to warranty should be carried out
by an authorized SaMASZ dealer.
4. Warranty claims regarding replacing of the product or repayment are considered within 14
days by the Manufacturer.
5. The following cases are not covered by the warranty:
a) fortuitous events or other occurrence, for which the Manufacturer does not bear
any responsibility,
b) use of the circular saw for any purpose other than described in the operator's
manual,
c) normal wearing of circular saw's operating parts,
d) high tractor's driving speed with the extension arm-saw aggregate mounted
resulting in violent, impact contact of the saw with the material to be cut,
e) high circular saw's loading due to large amount of tree branches, bushes or their
large sizes,
f) cutting tree branches, bushes with diameter higher than Ø190 mm (Ø19 cm),
g) cutting long tree branches at their base, which causes the saw to be jammed in the
material cut,
h) locking one of the circular blades due to contaminations wound up on the hub,
i) ground unevenness leading to sharp extension arm motions, and in result, blades'
bending and jamming,
j) any mechanical damages,
k) any damages due to cutting non-wooden materials,
l) no oil in oil collecting pan on the circular saw due to its draining.
6. The costs of technical assessment are borne by the Purchaser - if the Manufacturer
determines that the product being subject to claim is defect free and what is confirmed by a
further expertise.
7. Parts of the circular saw which are not covered by this warranty as a result of normal
wearing during intensive use:
a) circular blades,
b) bearings.
8. The Manufacturer has the right to cancel the warranty in the following cases:
a) introducing design modifications or willful causing of damages,
b) vast damage caused by fortuitous events or others, for which the Manufacturer does
not bear any responsibility,
c) required records missing in the warranty card or the warranty card filled in
independently,
d) use of the machine for any purpose other than provided in the operator's manual.
9. Manufacturer can break the service agreement with immediate effect when the user does not
pay receivables under the agreement in a timely manner and the delay in payment is longer
than 30 days from maturity date. Breaking the service agreement by the Contractor for