PRONAR PRONAR PDT260 User manual

PRONAR Sp. z o.o.
17-210 NAREW, UL. MICKIEWICZA 101A, WOJ. PODLASKIE
tel.: [phone] [phone]
[phone] [phone]
fax: [phone] [phone]
www.pronar.pl
OPERATOR’S MANUAL
DISC MOWER
PRONAR PDT260, PRONAR PDT260C
PRONAR PDT300, PRONAR PDT300C
PRONAR PDT340
TRANSLATION OF THE ORIGINAL INSTRUCTIONS
ISSUE 2B-04-2012 PUBLICATION NO 284N-00000000-UM
EN

DISC MOWER
PRONAR PDT260, PRONAR PDT260C
PRONAR PDT300, PRONAR PDT300C
PRONAR PDT340
MACHINE IDENTIFICATION
SYMBOL /TYPE: PDT260, PDT 260C, PDT300, PD300C, PDT340
SERIAL NUMBER:

INTRODUCTION
Information contained herein is current at date of publication. As a result of improvements,
some numerical values and illustrations contained in this publication may not correspond to the
factual specification of the machine supplied to the user. The manufacturer reserves the right to
introduce design changes in machines produced that facilitate operation and improve the quality
of their work, without making minor amendments to this Operator's Manual. Please send your
comments and proposals on the design and operation of the machine to the manufacturer. This
information enables objective evaluation of the machines produced and provides indications for
their further improvement.
This Operator's Manual is an integral part of the machine's documentation. Before using the
machine, the user must carefully read this Operator's Manual and observe all
recommendations. This guarantees safe operation and ensures malfunction free work of the
machine. The machine is designed to meet obligatory standards, documents and legal
regulations currently in force.
The manual describes the basic safety rules and operation of the implement. If the information
contained in the Operator's Manual needs clarification then the user should refer for assistance
to the sale point where the machine was purchased or to the manufacturer.
MANUFACTURER'S ADDRESS:
PRONAR Sp. z o.o.
ul. Mickiewicza 101A
17-210 Narew
CONTACT TELEPHONES
[phone] [phone]
[phone] [phone]

Information, descriptions of danger and precautions and also recommendations and orders
associated with user safety instructions are marked:
and also preceded by the word "DANGER”. Failure to observe the instructions may endanger
the machine operator's or other person's health or life.
Particularly important information and instructions, the observance of which is essential, are
distinguished in the text by the sign:
and also preceded either word "ATTENTION". Failure to observe the instructions may
lead to damage to the machine as a result of improper operation, adjustment or use.
In order to focus the user's attention on the need to perform maintenance, the relevant
section of the Operator's Manual is marked with the pictogram:

TABLE OF CONTENTS
1 BASIC INFORMATION 1.1
1.1 IDENTIFICATION 1.2
1.1.1 MOWER IDENTIFICATION 1.2
1.2 PROPER USE 1.3
1.3 OPTIONAL EQUIPMENT 1.5
1.4 TERMS & CONDITIONS OF WARRANTY 1.5
1.5 TRANSPORT 1.6
1.6 ENVIRONMENTAL HAZARDS 1.8
1.7 WITHDRAWAL FROM USE 1.9
2 SAFETY ADVICE 2.1
2.1 BASIC SAFETY RULES 2.2
2.2 DRIVING ON PUBLIC ROADS 2.6
2.3 DESCRIPTION OF MINIMAL RISK 2.7
2.4 INFORMATION AND WARNING DECALS 2.8
3 DESIGN AND OPERATION 3.1
3.1 TECHNICAL SPECIFICATION 3.2
3.2 GENERAL DESIGN 3.4
3.3 LINKAGE 3.5
3.4 HYDRAULIC SYSTEM 3.6
3.5 DRIVE TRANSMISSION 3.7
3.6 CUTTING UNIT 3.8
3.7 SWATH CONDITIONER UNIT (PDT260, PDT300) 3.9
4 CORRECT USE 4.1

4.1 PREPARING FOR WORK 4.2
4.2 CHECKING TECHNICAL CONDITION 4.4
4.3 HITCHING TO TRACTOR 4.5
4.4 TRANSPORTING THE MACHINE 4.9
4.5 SETTING AND MOWING 4.13
4.5.1 SETTING MOWER IN WORKING POSITION 4.13
4.5.2 SETTING CUTTING HEIGHT 4.14
4.5.3 CONNECTING DRIVE SHAFT 4.15
4.5.4 STAY SPRING ADJUSTMENT 4.16
4.5.5 SETTINGS SWATH WIDTH 4.18
4.5.6 SET THE SWATH WIDTH OF PDT260C AND PDT300C MOWER. 4.21
4.5.7 SET THE INTENSITY OF SWATH CONDITIONING FOR THE PDT260C
AND PDT300C MOWERS 4.22
4.5.8 MOWING 4.24
4.5.9 HYDRAULIC SAFETY DEVICE 4.26
4.6 DISCONNECTING FROM TRACTOR 4.26
5 MAINTENANCE 5.1
5.1 CHECKING AND REPLACING CUTTING BLADES 5.2
5.1.1 INSPECTION AND REPLACEMENT OF THE CUTTER BAR BLADES 5.2
5.1.2 INSPECTION AND REPLACEMENT SWATH CONDITIONER FLAIL
BLADES (PDT260C, PDT300C) 5.4
5.2 CUTTERBAR MAINTENANCE 5.6
5.3 MAINTENANCE OF DRIVE UNIT 5.9
5.4 HYDRAULIC SYSTEM OPERATION 5.12
5.5 STORAGE 5.14
5.6 LUBRICATION 5.14
5.7 CONSUMABLES 5.18
5.7.1 LUBRICANTS 5.18

5.8 TIGHTENING TORQUE FOR NUT AND BOLT CONNECTIONS 5.18
5.9 TROUBLESHOOTING 5.20

SECTION
1
BASIC INFORMATION

Pronar PDT260; PDT260C, PDT300; PDT 300C, PDT340 SECTION 1
1.2
1.1 IDENTIFICATION
1.1.1 MOWER IDENTIFICATION
FIG. 1.1 Location of the data plate
(1) data plate, (2) serial number
PRONAR PDT260 / PDT260C / PDT300 / PDT300C / PDT 340 mowers have data plate
located on the left side, on the upper beam of the linkage frame – figure (1.1). When buying
the machine, confirm that the serial number on the machine corresponds to the number
indicated in the WARRANTY BOOK, in the sales documents and in the OPERATOR'S

SECTION 1 Pronar PDT260; PDT260C, PDT300; PDT 300C, PDT340
1.3
MANUAL. The meanings of the individual fields found on the data plate are presented in the
table below:
TABLE 1.1 Markings on data plate
ITEM
MARKING
A Machine name
B Symbol /Type
C Serial number
D Year of manufacture
E Machine tare weight
F Quality Control marking
G Unfilled box or extension of name (box A)
1.2 PROPER USE
PRONAR PDT260 / PDT 260C / PDT300 / PDT300C / PDT 340 rear mounted disc mowers
are constructed according to current safety requirements and engineering standards.
Pronar rear mounted disc mowers are designed to cut low stemmed green fodder (grass,
lucerne, etc) on permanent grassland and on stone free cultivated fields with a level surface.
Swath conditioner breaks the mown stalks and also removes layer of wax from the plant,
which effectively accelerates the drying process.
Machine use for other purposes should be regarded as improper. Using it as intended also
involves all actions connected with the safe and proper operation and maintenance of the
machine. Due to the above, the user is obliged to:
•carefully read the OPERATOR'S MANUAL and comply with its recommendations,
•understand the machine's operating principle and how to operate it safely and
correctly,
•comply with general safety regulations while working,
•prevent accidents,
•comply with road traffic regulations.

Pronar PDT260; PDT260C, PDT300; PDT 300C, PDT340 SECTION 1
1.4
Unauthorised repairs and modifications of the machine without prior consent of the
Manufacturer will be regarded as use contrary to the intended purpose. The machine may
only be used by appropriately trained users, who are aware of the dangers, design and
operation of the machine. Repairs to the machine shall only be made by qualified personnel
(in the warranty period all repairs must be performed in the warranty service, indicated by the
Manufacturer). Maintenance and repairs that can be performed by the user, are described in
section 5 „MAINTENANCE”.
TABLE 1.2 Agricultural tractor's requirements
UNIT REQUIREMENTS
Linkage
Rear three point linkage - Category II and III according to ISO
730
Power take-off shaft
PDT 260 PTO speed RPM 540
PDT 300 PTO speed RPM 1,000
PDT 340 PTO speed RPM 1,000
Number of splines on PTO shaft item 6
PTO rotation direction - clockwise
Hydraulic system
Nominal pressure MPa 16
Hydraulic oil - HL32
Hydraulic sockets - 3 sockets on the rear of tractor
Other requirements
Minimum power
PDT260
PDT260C kW /
Horsepower
33 / 45
44 / 60
PDT300
PDT300C kW /
Horsepower
44 / 60
55 / 75

SECTION 1 Pronar PDT260; PDT260C, PDT300; PDT 300C, PDT340
1.5
PDT340 kW /
Horsepower
59 / 80
IMPORTANT!
The mower must not be used for purposes other th n those for which it is intended, in
p rticul r:
•for tr nsporting people nd nim ls,
•for tr nsport of wh tever m teri ls or objects.
1.3 OPTIONAL EQUIPMENT
EQUIPMENT QUANTITY
Operator's Manual 1
Warranty Book 1
PTO shaft connecting tractor and mower 1
Recommended PTO shafts:
•PTO shaft connecting tractor and mower – T401010ENC12RF2,
•PTO shaft connecting intersecting axis gears of the mower – 904-01438.
1.4 TERMS & CONDITIONS OF WARRANTY
PRONAR Sp. z o.o., Narew guarantees the reliable operation of the machine when it is used
according to its intended purpose as described in the OPERATOR'S MANUAL. Defects
discovered during the warranty period will be removed by the Warranty Service. The repair
period is specified in the WARRANTY BOOK.
The warranty does not apply to those parts and sub-assemblies of the machine, which are
subject to wear in normal usage conditions, regardless of the warranty period. The warranty
service only applies to factory defects and mechanical damage that is not due to the user's
fault. Consumables include the following parts/sub-assemblies:
•cutting blades,

Pronar PDT260; PDT260C, PDT300; PDT 300C, PDT340 SECTION 1
1.6
•protective aprons,
•bearings.
The warranty service only applies to factory defects and mechanical damage that is not due
to the user's fault.
In the event of damage arising from:
•mechanical damage which is the user's fault, caused by road accidents,
•by inappropriate use, adjustment or maintenance, use of the machine for
purposes other than those for which it is intended,
•use of damaged machine,
•repairs carried out by unauthorised persons, improperly carried out repairs,
•arbitrary and wilful adjustments to the machine's structure.
the user may lose the right to warranty service.
The user is obliged to report immediately on noticing any wear in the paint coating or traces
of corrosion, and to have the faults rectified whether they are covered by the warranty or not.
For detailed Terms & Conditions of Warranty, please refer to the WARRANTY BOOK
attached to each machine.
TIP
Dem nd th t the seller c refully nd precisely fills out the W rr nty Book nd w rr nty
rep ir coupons. A missing d te of purch se or s le point st mp, m y m ke the user
ineligible for ny w rr nty rep ir or refund.
Modification of the mower without the written consent of the Manufacturer is forbidden. In
particular, do NOT weld, drill holes in, cut or heat the main structural elements of the
machine, which have a direct impact on the machine operation safety.
1.5 TRANSPORT
The machine is prepared for sale completely assembled and does not require packing.
Packing is only required for the machine operator's manual and elastic covers. Supply to user
takes place by transport vehicle. Transport of the mower is permissible connected to a tractor

SECTION 1 Pronar PDT260; PDT260C, PDT300; PDT 300C, PDT340
1.7
provided the tractor's driver familiarises himself with the machine's Operator's Manual and
particularly with information concerning safety and principles of connection and transport of
mower on public roads. Do NOT drive the tractor with mower connected when visibility is
limited.
FIG. 1.2 Transport lugs
(1) central connection pin; (2) lifting arm lug
When loading and unloading the machine, comply with the general principles of workplace
health and safety for reloading work. Persons operating reloading equipment must have the
qualifications required to operate these machines.
The machine should be attached to lifting equipment in places intended for this - figure (1.2),
i.e. two central connection pin (1) and transport lug (2). When lifting the machine take
particular care due to the possibility of tipping over the machine and the risk of injuries from

Pronar PDT260; PDT260C, PDT300; PDT 300C, PDT340 SECTION 1
1.8
protruding parts. To keep lifted machine in the correct direction it is recommended to apply
additional guy cables. During the loading work particular care should be taken not to damage
paint coating. The machine should be attached firmly to the platform of the vehicle using
straps or chains fitted with a tightening mechanism. The fastening equipment used must have
a valid safety certificate.
DANGER
When tr nsporting independently, the user must c refully re d this oper tor's m nu l
nd observe its recommend tions. When being tr nsported on motor vehicle the
m chine must be mounted on the vehicle's pl tform in ccord nce with the tr nsport
s fety requirements. The driver of the vehicle should t ke p rticul r c re while
tr nsporting the m chine. This is due to the vehicle's centre of gr vity shifting upw rds
when lo ded with the m chine.
IMPORTANT!
Do NOT secure lifting slings or ny types of securing elements to hydr ulic cylinders.
Do NOT st nd in the m noeuvring zone during tr nsferring mower to other form of
tr nsport.
DANGER
During lo ding mower should be set in working position nd secured. Support leg should
be lowered nd secured with pin.
1.6 ENVIRONMENTAL HAZARDS
A hydraulic oil leak constitutes a direct threat to the natural environment owing to its limited
biodegradability. While carrying out maintenance and repair work which involves the risk of
an oil leak, this work should take place on an oil resistant floor or surface. In the event of oil
leaking into the environment, first of all contain the source of the leak, and then collect the
leaked oil using available means. Remaining oil should be collected using sorbents, or by
mixing the oil with sand, sawdust or other absorbent materials. Collected oil should be kept in
sealed and clearly marked containers away from heat sources, flammable materials and

SECTION 1 Pronar PDT260; PDT260C, PDT300; PDT 300C, PDT340
1.9
food. Oil waste should be taken to the appropriate facility dealing with the re-use of this type
of waste.
It is recommended to store used oil in its original packaging.
1.7 WITHDRAWAL FROM USE
Before proceeding to dismantle the machine, oil shall be completely removed from hydraulic
system, cutter bar, and both intersecting axis gears. Locations of drain plugs and method for
draining oil are described in section 5.
DANGER
During dism ntling person l protection equipment sh ll be used i.e. protective clothing,
boots, gloves nd protective goggles etc.
Avoid cont ct of skin with oil. Do not llow used oil to spill.
Worn metal parts remaining after repairs and unsuited for regeneration shall be scrapped.
Waste oil and also rubber and plastic elements should be taken to establishments
undertaking the utilisation of such materials.