PRONAR T743 User manual

PRONAR Sp. z o.o.
17-210 NAREW, UL. MICKIEWICZA 101A, PODLASKIE PROVINCE
tel.: [phone] [phone]
[phone] [phone]
fax: [phone] [phone]
www.pronar.pl
OPERATOR'S MANUAL
AGRICULTURAL TRAILER
PRONAR T743
TRANSLATION OF THE ORIGINAL COPY OF THE MANUAL
ISSUE 2A-01-2010 PUBLICATION NO 205N-00000000-UM
EN

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.
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 Pronar T743 trans-shipment
trailer. 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]

SYMBOLS APPEARING IN THIS OPERATOR'S MANUAL
Information, descriptions of danger and precautions and also recommendations and prohibitions
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 by the 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:
Additional tips and advice for machine operation are marked:
and also preceded by the word „TIP”.

DIRECTIONS USED IN THIS OPERATOR'S MANUAL
Left side – side to the left hand of the operator facing in the direction of machine's forward
travel.
Right side – side to the right hand of the operator facing in the direction of machine's forward
travel.
REQUIRED SERVICE ACTIONS
Service actions described in the manual are marked: 
Result of service/adjustment actions or comments concerning the performance of actions are
marked: 

CONTENTS
1 BASIC INFORMATION 1.1
1.1 IDENTIFICATION 1.2
1.1.1 TRAILER IDENTIFICATION 1.2
1.1.2 AXLE IDENTIFICATION 1.3
1.1.3 LIST OF FACTORY NUMBERS 1.4
1.2 PROPER USE 1.4
1.3 OPTIONAL EQUIPMENT 1.7
1.4 WARRANTY TERMS 1.8
1.5 TRANSPORT 1.9
1.5.1 TRANSPORT ON VEHICLE 1.9
1.5.2 INDEPENDENT TRANSPORT BY THE USER 1.11
1.6 ENVIRONMENTAL HAZARDS 1.11
1.7 WITHDRAWAL FROM USE 1.12
2 SAFETY ADVICE 2.1
2.1 BASIC SAFETY RULES 2.2
2.1.1 USE OF TRAILER 2.2
2.1.2 HITCHING AND DISCONNECTING THE TRAILER 2.3
2.1.3 HYDRAULIC AND PNEUMATIC SYSTEMS 2.4
2.1.4 TRANSPORTING THE MACHINE 2.5
2.1.5 TYRES 2.8
2.1.6 MAINTENANCE 2.9
2.1.7 LOADING AND UNLOADING 2.11
2.1.8 OPERATION OF PTO SHAFT 2.12
2.1.9 SAFETY TIPS FOR HYDRAULIC CLUTCH OPERATION 2.13
2.2 DESCRIPTION OF MINIMAL RISK 2.14

2.3 INFORMATION AND WARNING DECALS 2.15
3 DESIGN AND OPERATION 3.1
3.1 TECHNICAL SPECIFICATION 3.2
3.2 CHASSIS 3.3
3.2.1 DRAWBAR HITCHING EYE 3.4
3.2.2 TRAILER PARKING STAND 3.4
3.3 LOAD BOX 3.6
3.4 FRONT CONVEYOR 3.8
3.5 FRONT CHAIN TRANSMISSION 3.10
3.6 GEAR WHEEL TRANSMISSION 3.12
3.7 REAR CHAIN TRANSMISSION 3.13
3.8 MAIN BRAKE 3.14
3.9 PNEUMATIC PARKING BRAKE 3.19
3.10 HYDRAULIC STEERING SYSTEM 3.20
3.11 HYDRAULIC SYSTEM SLIDE BOLT AND CONVEYOR 3.22
3.12 HYDRAULIC CLUTCH SYSTEM 3.24
3.13 ELECTRIC LIGHTING SYSTEM 3.26
3.14 ELECTRIC WEIGHING SYSTEM INSTALLATION 3.29
4 CORRECT USE 4.1
4.1 PREPARING FOR WORK BEFORE FIRST USE 4.2
4.2 HITCHING TO TRACTOR 4.5
4.3 TRAILER PARKING STAND OPERATION 4.7
4.4 HYDRAULIC STEERING SYSTEM OPERATION 4.8
4.5 LOADING 4.10
4.6 SECURING LOAD 4.11
4.7 TRANSPORTING THE MACHINE 4.12

4.8 UNLOADING 4.13
4.9 DISCONNECTING FROM TRACTOR 4.16
4.10 PROPER USE AND MAINTENANCE OF TYRES 4.17
4.11 WEIGHER OPERATION 4.17
4.11.1 MOUNTING INDICATOR 4.17
4.11.2 STANDARD WORK 4.19
5 MAINTENANCE 5.1
5.1 PRELIMINARY INFORMATION 5.2
5.2 TRAILER INSPECTIONS 5.2
5.2.1 OPERATION NO. 1 - CHECKING WHEEL AXLE BEARINGS 5.5
5.2.2 OPERATION NO. 2 - ADJUSTMENT OF MAIN BRAKE 5.7
5.2.3 OPERATION NO. 3 - DRAINING WATER FROM THE AIR TANK 5.8
5.2.4 OPERATION NO. 4 - CLEANING DRAIN VALVE 5.9
5.2.5 OPERATION NO. 5 - CHECKING CONNECTIONS 5.10
5.2.6 OPERATION NO. 6 – CHECKING BRAKING SYSTEM ACTION 5.11
5.2.7 OPERATION NO. 7 – CHECKING BRAKING SYSTEM TIGHTNESS 5.11
5.2.8 OPERATION NO. 8- CLEANING THE AIR FILTERS 5.12
5.2.9 OPERATION NO. 9 – CHECKING HYDRAULIC SYSTEM TIGHTNESS 5.13
5.2.10 OPERATION NO. 10 - CHECKING LIGHTING AND SIGNALLING
SYSTEM. 5.14
5.2.11 OPERATION 11- CHECKING NUT AND BOLT TIGHTNESS ON WHEELS
AND DRAWBAR 5.15
5.2.12 OPERATION NO.12 - CHECKING LUBRICATION POINTS 5.17
5.2.13 OPERATION NO. 13 - CHECKING TECHNICAL CONDITION OF
WHEELS 5.23
5.2.14 OPERATION NO. 14 - ADJUSTMENT OF CLUTCH WORKING
PRESSURE 5.24
5.2.15 OPERATION NO. 15 – INSPECTION OF TIGHTNESS OF FRONT CHAIN
GEARING (I STAGE) 5.26

5.2.16 OPERATION NO. 16 – INSPECTION OF TIGHTNESS OF FRONT CHAIN
TRANSMISSION (II STAGE) 5.27
5.2.17 OPERATION NO.17 – INSPECTION OF TIGHTNESS OF REAR CHAIN
TRANSMISSION 5.29
5.2.18 OPERATION NO. 18 – CHANGE OIL IN FRONT GEAR WHEEL
TRANSMISSION 5.30
5.2.19 OPERATION NO. 19 – CHANGE OIL IN CONVEYOR INTERSECTING
AXIS GEARING 5.31
5.3 UNLOADING SPEED ADJUSTMENT 5.32
5.3.1 ROOF HEIGHT ADJUSTMENT 5.33
5.3.2 ADJUSTMENT OF CHANNEL SLIDES IN GRAIN TANK 5.34
5.4 CONSUMABLES 5.36
5.4.1 HYDRAULIC OIL 5.36
5.4.2 GREASES 5.37
5.5 HYDRAULIC CLUTCH OPERATION 5.37
5.5.1 SAFETY ADVICE FOR HYDRAULIC CLUTCH CLEANING AND
MAINTENANCE 5.37
5.5.2 MOUNTING, MAINTENANCE AND CARE ADVICE 5.37
5.5.3 TIGHTENING TORQUE FOR NUT AND BOLT CONNECTIONS 5.38
5.5.4 SERVICE INSPECTION PERIODS 5.38
5.6 THOROUGH LOAD TANK CLEANING 5.38
5.7 TRAILER CLEANING 5.39
5.8 STORAGE 5.41
5.9 TIGHTENING TORQUE FOR NUT AND BOLT CONNECTIONS 5.41
5.10 LIST OF BULBS 5.43
5.11 EMERGENCY RELEASE OF DIAPHRAGM ACTUATOR 5.43
5.12 TROUBLESHOOTING 5.45

SECTION
1
BASIC INFORMATION

Pronar T743 SECTION 1
1.2
1.1 IDENTIFICATION
1.1.1 TRAILER IDENTIFICATION
FIGURE 1.1 Location of the data plate and serial number
(1) data plate, (2) serial number
The trailer is marked with the data plate (1), located on the right frame brace and the factory
number (2) located on a gold painted rectangle. When buying the trailer check that the serial
numbers on the machine agree with the number written in the WARRANTY BOOK, in the
sales documents and in the OPERATOR'S MANUAL.
The meanings of the individual fields found on the data plate – figure (1.1) are presented in
table (1.2).

SECTION 1 Pronar T743
1.3
TABLE 1.1 Markings on data plate
ITEM
MARKING
A General description and purpose
B Symbol /Type
C Year of manufacture
D Seventeen digit serial number (VIN)
E Official certificate number
F Tare weight
G Maximum gross weight
H Carrying capacity
I Permissible hitching system loading
J Permissible axle 1 load
K Permissible axle 2 load
1.1.2 AXLE IDENTIFICATION
FIGURE 1.2 Axle identification
(1) axle, (2) axle data plate

Pronar T743 SECTION 1
1.4
The serial number of the axle and its type are stamped onto the data plate secured to the
axle beam – figure (1.2). In the event of ordering a replacement part it you must know the
trailer factory number and axle type.
1.1.3 LIST OF FACTORY NUMBERS
TIP
In the event of ordering a replacement part or in the case of the appearance of problems
it is often essential to give the factory n mbers of parts or the VIN n mber of the trailer,
therefore it is recommended that these n mbers are inscribed in the spaces below.
VIN number
S Z B 7 430XXX
FRONT STEERING AXLE SERIAL NUMBER
MIDDLE FIXED AXLE SERIAL NUMBER
REAR STEERING AXLE SERIAL NUMBER
1.2 PROPER USE
The trailer Pronar T743 is constructed according to current safety requirements and
engineering standards. The brake system and the light and indicator system meet the
requirements of road traffic regulations.
The machine is designed for the transport and trans-shipment of cereals and maize seed
grain from combines to transport vehicles. Transporting people, animals or other materials is
forbidden and regarded as contrary to the intended purpose. During the use of the machine
comply with all road traffic regulations and transport regulations in force in the given country,
and any breach of these regulations is regarded by the Manufacturer as use contrary to its
intended purpose.

SECTION 1 Pronar T743
1.5
IMPORTANT!
The trailer m st not be sed for p rposes other than those for which it is intended. The
ser MUST NOT:
•transport people, animals, hazardo s materials, chemically aggressive loads
that will corrode the constr ction elements of the trailer (ca sing corrosion of
steel, destr ction of paint coat, dissolving plastic elements and destr ction of
r bber elements etc.),
•transport incorrectly sec red load, which d ring travel may ca se
contamination of the road and nat ral environment,
•transport incorrectly sec red load, which d ring travel may change position
in load box or fall o t of the load box,
•transport loads, whose centre of gravity may destabilise the trailer,
•transport loads, which have neven load distrib tion and/or overload axles
and s spension elements.
Using it as intended involves all actions connected with the safe and proper operation and
maintenance of the machine. In connection with this the user is obliged to:
•carefully read the OPERATOR'S MANUAL of Pronar T743 trailer and the
WARRANTY BOOK and conform with the recommendations contained in these
documents,
•understand the trailer's operating principle and how to operate it safely and
correctly,
•adhere to the established maintenance and adjustment plans,
•comply with general safety regulations while working,
•prevent accidents,
•comply with the road traffic regulations and transport regulations in force in
a given country, in which the trailer is used,
•carefully read the Operator's Manual of the agricultural tractor, PTO shaft and
weigher (if included in trailer equipment) and comply with the instructions included
in these manuals.

Pronar T743 SECTION 1
1.6
TABLE 1.2 AGRICULTURAL TRACTOR'S REQUIREMENTS
CONTENTS UNIT REQUIREMENTS
Brake system
Pneumatic system 1 – conduit
Pneumatic system 2 – conduit
Nominal pressure of the system 1 p.
Nominal pressure of the system 2 p.
-
-
kPa
kPa
sockets compliant with PN-
ISO 1728:2007
sockets compliant with PN-
ISO 1728:2007
600
800
Hydraulic system
Hydraulic oil
Pressure rating of the system
Oil demand:
-
MPa
l
HL 32
16
15
Electrical system
Electrical system voltage
Attachment socket
V
-
12
7 polar compliant with ISO 1724
Tractor hitches
Maximum vertical drawbar load
kg 3 000
Other requirements
Minimum tractor power demand
Cigarette lighter socket
(1)
kW /
Horsepower
V
161.7 / 220
12
(1)
– Weigher power supply (optional equipment)
IMPORTANT!
The trailer m st not be sed for p rposes other than those for which it is intended, in
partic lar:
•for transporting people and animals,
•sing the machine to transport and trans-ship any materials other than those
listed in the man al.

SECTION 1 Pronar T743
1.7
The trailer may only be used by persons, who:
•are familiar with the contents of this publication and with the contents of the
agricultural tractor Operator's Manual,
•have been trained in trailer operation and safe operation,
•have the required authorisation to drive and are familiar with the road traffic
regulations and transport regulations.
1.3 OPTIONAL EQUIPMENT
TABLE 1.3 Trailer optional equipment
EQUIPMENT
STANDARD
ADDITIONAL
OPTIONS
Operator's Manual •
Warranty Book •
Pneumatic system 2 conduit •
Pneumatic, double line breaking system with ALB •
Combined (hydraulic+ pneumatic) breaking system •
Hydraulic breaking system •
Mudguards set •
Wheel chocks •
Ball drawbar •
Slow-moving vehicle warning sign •
Warning reflective triangle •
EZ 400 weigher Operator's Manual •
Complete set of wall extensions. •

Pronar T743 SECTION 1
1.8
EQUIPMENT
STANDARD
ADDITIONAL
OPTIONS
Electrical system with weigher •
Electrical system without weigher •
Tarpaulin cover •
Pipe chute •
PTO shaft •
Hydraulic steering system •
Hydraulic axle blocking system •
Some standard equipment elements, which were listed in table (1.3), may not be present in
the delivered trailer. This allows the possibility of ordering new machines with a different set
of optional equipment, replacing standard equipment.
Information concerning tyres is provided at the end of this publication in ANNEX A.
1.4 WARRANTY TERMS
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. The repair
period is specified in the WARRANTY BOOK.
The guarantee 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. Consumables
include the following parts/sub-assemblies:
•drawbar hitching eye,
•pneumatic system connector filters,
•tyres,
•chains,

SECTION 1 Pronar T743
1.9
•brake shoes,
•bulbs and LED lamps,
•seals,
•bearings.
The warranty service only applies to such cases as: mechanical damage, which is not the
user's fault, factory defects of parts, etc.
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 trailer for purposes
other than those for which it is intended,
•use of damaged machine,
•repairs carried out by unauthorised persons, improperly carried out repairs,
•making unauthorised alterations to machine design,
the user will lose the right to warranty service.
TIP
Demand that the seller caref lly and precisely fills o t the Warranty Book and g arantee
repair co pons. A missing date of p rchase or sale point stamp, may make the ser
ineligible for any warranty repair or ref nd.
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 guarantee or
not. Detailed guarantee regulations are contained in the WARRANTY BOOK attached to
each machine.
Modification of the trailer 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.