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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. Information on significant design
changes is passed on to users on information inserts attached to this Operator's Manual
(annexes).
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.
This Operator's Manual describes the basic safety rules and operation of T185 Hook 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 tractor was purchased or to the Manufacturer
Manufacturer's address:
PRONAR Sp. z o.o.
ul. Mickiewicza 101A
17-210 Narew
Contact telephones
+48 085 681 63 29 +48 085 681 64 29
+48 085 681 63 81 +48 085 681 63 82
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:
TABLE OF CONTENTS
1 BASIC INFORMATION 1.1
1.1 IDENTIFICATION 1.2
1.2 PROPER USE 1.3
1.3 EQUIPMENT 1.6
1.4 WARRANTY TERMS 1.6
1.5 TRANSPORT 1.7
1.6 ENVIRONMENTAL HAZARDS 1.9
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 CHASSIS 3.3
3.3 TIPPING FRAME 3.6
3.4 MAIN BRAKE 3.10
3.5 PARKING BRAKE 3.12
3.6 HYDRAULIC TIPPER SYSTEM 3.13
3.7 HYDRAULIC ROCKER ARM BLOCK SYSTEM 3.14
3.8 ELECTRICAL SYSTEM, WARNING SIGNS AND REFLECTIVE LIGHTS 3.15
4 CORRECT USE 4.1
4.1 PREPARING FOR WORK BEFORE FIRST USE 4.2
4.2 CHECKING THE TRAILER'S TECHNICAL CONDITION 4.3
4.3 HITCHING TO TRACTOR 4.4
4.4 CONNECTING LOAD BOX 4.6
4.5 DISCONNECTING LOAD BOX 4.9
4.6 LOADING LOAD BOX 4.11
4.7 TRANSPORTING LOADS 4.15
4.8 UNLOADING 4.17
4.9 DISCONNECTING FROM TRACTOR 4.19
4.10 PROPER USE AND MAINTENANCE OF TYRES 4.20
5 MAINTENANCE 5.1
5.1 CHECKING AND ADJUSTMENT OF WHEEL AXLE BEARINGS 5.2
5.2 ADJUSTMENT OF MAIN BRAKES 5.3
5.3 ADJUSTMENT OF MAIN BRAKES 5.5
5.4 PNEUMATIC SYSTEM OPERATION 5.6
5.5 HYDRAULIC SYSTEM OPERATION 5.9
5.6 LUBRICATION 5.11
5.7 STORAGE 5.14
5.8 TRAILER PREPARATION FOR END OF SEASON 5.15
5.9 TIGHTENING TORQUE FOR NUT AND BOLT CONNECTIONS 5.15
5.10 TROUBLESHOOTING 5.17
5.11 LIST OF BULBS 5.18
1.1
SECTION
1 BASIC INFORMATION
IDENTIFICATION
PROPER USE
EQUIPMENT
WARRANTY TERMS
TRANSPORT
ENVIRONMENTAL HAZARDS
WITHDRAWAL FROM USE
1.2
1.1 IDENTIFICATION
FIG. 1.1A LOCATION OF THE DATA PLATE AND SERIAL NUMBER
(1) data plate, (2) serial number
The T185 hook trailer has an data plate located on the right longitudinal rail of lower frame.
The factory number is stamped into the identity plate and into the right longitudinal rail of a
frame, on a rectangle area painted silver. When buying the Hook 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 factory number of the axle half shaft and its type is stamped onto the identity plate
secured to the hub cap of the axle shaft (from the inside).
SZB1850XX71X00001
onar Sp. Pr z o.o.
u a 1l. M kwz A121 N ric i 1 7-0 ew
iec 0 , a
l.f85 2
t:( )68 6 9e / ax 0 13
r a o.m r prn a p
eail on @r l
- : p
ok p odRr .
w .r œ . hN om
abNr f r.
S olymb /Typ
p.D .obc so o i
p. aDo m. c³ k.
do no£ w œa æ
.b aDop o c. cz. z
a ³Mas w .
kN
kN
kg
kg
kN
kg
1T 85
SZB18 0X 71 0 15 X X0 00
1
2
1
PRONAR
A
B
C
D
F
G
H
I
K
J
E
1.3
TAB. 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 front axle load
K Permissible rear axle load
1.2 PROPER USE
The hook trailer is designated for use with various types of load boxes (agricultural, building,
communal, special and transport platforms etc), fulfilling the requirements described in table
(1.2), at maximum design speed of 40 km/h. Trailer design enables connection and
disconnection of load boxes and their unloading by tipping to the rear. Type of load carried
depends on load box use. The trailer must not be used in any way other than that described
above. Using it as intended also involves all actions connected with the safe and proper
operation and maintenance of the machine. The trailer is not intended or designed for
transporting people or animals.
1.4
TAB. 1.2 LOAD BOX REQUIREMENTS ACCORDING TO DIN 30722-1
DATA UNIT VALUE
Minimum length [mm] 4,650
Maximum length [mm] 4,900
Maximum width [mm] 2,550
Maximum height [mm] 2,000
Maximum gross weight [kg] 12,130
The hook trailer is adapted for work with load boxes executed according to DIN 30722-1
standard. Use is permitted with load boxes, of total length not less than 4 650 mm and not
greater 4 900 mm. Width and height of load box may not exceed dimensions given table
(1.2). The trailer is also adapted to work with load boxes produced by Pronar, which are
detailed in table (1.3).
The brake system and the light and indicator system meet the requirements of road traffic
regulations. The maximum speed of the trailer on public roads is 30 km/h in Poland (pursuant
to Road Traffic Act of June 20th 1997, art. 20). In the countries where the trailer is used, the
limits stipulated by the road traffic legislation in force in a given country must be observed.
The trailer speed must not, however, be greater than the maximum design speed of 40 km/h.
TAB. 1.3 PRONAR LOAD BOXES
TYPE PROPER USE INTERNAL DIMENSIONS [mm]
LENGTH / WIDTH / HEIGHT
KO 01 Agricultural 4,560 / 2,395 / 1 405
KO 02 Construction 4,560 / 2,392 / 700
KO 03 Construction 4,560 / 2392 / 700
Requirements concerning trailer operation with agricultural tractor are presented in the table
below.
1.5
TAB. 1.4 AGRICULTURAL TRACTOR'S REQUIREMENTS
CONTENTS UNIT REQUIREMENTS
Brake system
Pneumatic system 1 – conduit
Pneumatic system 2 – conduit
Pressure rating of the pneumatic system
Hydraulic brake system
Pressure rating of the hydraulic system
-
-
kPa
MPa
sockets compliant with
PN-ISO 1728:2007
sockets compliant with
PN-ISO 1728:2007
600
socket with ISO 7241-A type pin
16
Hydraulic system
Hydraulic oil
Pressure rating of the system
Oil demand:
-
bar / MPa
l
HL 32
200 / 20
38
Electrical system
Electrical system voltage
Attachment socket
V
-
12
7 polar compliant with ISO 1724
Tractor hitches
Minimum vertical load capacity of hitch
kN / kg
19.62 / 2 000
Other requirements
Minimum power demand
kW / HP
53.5 / 72.8
Axle system (axles, wheels and tyres), meet the requirements of agricultural trailers. The
fulfilment of these requirements secures proper operation.
The trailer user must carefully read the Operator's Manual and comply with it,
Depending on the fitted accessories, hook trailer can be equipped with a rotating drawbar
eye ∅50 mm, or regular drawbar with eye ∅40 mm.
1.6
DANGER
The trailer must not be used for purposes other than those for which it is intended, in
particular:
• for transporting people and animals,
• for transporting loose unsecured toxic materials, if there is a possibility of causing
environmental damage,
• for transporting machines and equipment, with high centre of gravity affecting
trailer stability,
• for transporting loads with uneven loading and overloading of axles,
• for transporting unsecured loads, which may move in the load box.
• with load boxes not complying with the Manufacturer's requirements.
1.3 EQUIPMENT
The standard equipment of each trailer includes:
• OPERATOR'S MANUALS,
• WARRANTY BOOK,
• Connection lead for the electrical system
• hydraulic support,
• Wheel chocks
On request, the manufacturer may equip hook trailer with the following additional equipment:
• Slow-moving vehicle warning sign
• warning reflective triangle,
• mechanical worm gear support (instead of hydraulic support).
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.
1.7
The guarantee does not apply to parts and sub-assemblies of the machine, which are subject
to wear in normal usage conditions, regardless of the warranty period. normal tyre wear,
brake linings, mechanical damage, damage arising from improper use, adjustment and
maintenance.
Detailed guarantee regulations are contained in the WARRANTY BOOK attached to each
machine.
ATTENTION!
Demand that the seller carefully and precisely fills out the WARRANTY BOOK and
guarantee repair coupons. A missing date of purchase or sale point stamp, may make
the user ineligible for any warranty repair or refund.
1.5 TRANSPORT
The hook trailer is ready for sale completely assembled and does not require packing.
Packing is only required for the machine's technical documentation and any extra fittings.
The trailer is delivered to the user either transported on a vehicle or, independently (towed),
after being attached to a tractor.
ATTENTION!
When transporting independently, the user must carefully read this operator's manual
and observe its recommendations. When being transported on a motor vehicle the trailer
must be mounted on the vehicle's platform in accordance with the transport safety
requirements. The driver of the vehicle should take particular care while transporting the
trailer. This is due to the vehicle's centre of gravity shifting upwards when loaded with
the machine.
1.8
FIG. 1.2A POSITIONING OF TRANSPORT LUGS
(1) transport lugs
When loading and unloading the hook trailer, 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 hook trailer 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. Chocks or other objects without sharp edges should be placed under the wheels
of the trailer to prevent it from rolling. The chocks must be fixed to the platform of the vehicle.
During reloading work, particular care should be taken not to damage parts of the trailer's
fittings or the lacquer coating.
1
1
1
1
1.9
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 must be collected using sorbents.
1.7 WITHDRAWAL FROM USE
Should the user decide to withdraw the machine from use, the entire trailer should be taken
to a scrap yard approved by local authorities. When spare parts are changed, worn out or
damaged parts should be taken to a collection point for recyclable raw materials. Hydraulic oil
should be taken to the appropriate facility dealing with the re-use of this type of waste.
1.10
2.1
SECTION
2 SAFETY ADVICE
BASIC SAFETY RULES
DRIVING ON PUBLIC ROADS
DESCRIPTION OF MINIMAL RISK
INFORMATION AND WARNING DECALS
2.2
2.1 BASIC SAFETY RULES
• Before using the trailer, the user must carefully read this operator's manual. When
operating the machine, the operator must comply with the recommendations.
• If the information contained in the Operator's Manual is difficult to understand, contact
a seller, who runs an authorised technical service on behalf of the manufacturer, or
contact the manufacturer directly.
• Careless and improper use and operation of the hook trailer, and non-compliance with
the recommendations given in this operator's Manual is dangerous to your health.
• Non-compliance with the safety rules of this Operator’s Manual can be dangerous to
the health and life of the operator and others.
• Be aware of the existence of a minimal risk, and for this reason the fundamental basis
for using this hook trailer should be the application of safety rules and sensible
behaviour.
• The machine must never be used by persons, who are not authorised to drive
agricultural tractors, including children and people under the influence of alcohol or
other drugs.
• The machine must not be used for purposes other than those for which it is intended.
Anyone who uses the machine other than the way intended takes full responsibility for
himself for any consequences of this use.
• Any modification to the hook trailer frees the manufacturer from any responsibility for
damage or detriment to health which may arise as a result.
• Before using the hook trailer always check its technical condition. In particular, check
the technical condition of the hitch system, the hook, the axle system, brake systems
and indicator lights.
• The machine can only be stood on when it is absolutely motionless and the tractor
engine is switched off. Agricultural tractor and trailer must be immobilised with parking
brake.
• Do not move the middle frame interlock lever with extended or raised frame.
2.3
• Hook trailer unhitched from tractor must be immobilised with parking brake. If the
machine is positioned on a slope or elevation it shall be additionally secured by the
placing under the wheels of trailer equipment chocks or other objects without sharp
edges.
• The trailer may only be used when all the safety guards and other protective elements
are technically sound and correctly positioned. In the event of loss or destruction of the
safety guards, they must be replaced with new ones.
• Before using the trailer always check the machine, whether it is properly prepared for
work, especially in terms of safety.
• People or animals must not be carried either on the trailer chassis or in load boxes.
• Do NOT exceed the trailer's maximum carrying capacity.
• The trailer and tractor must not be attached if the hydraulic oil in the two machines is
of different types.
• While connecting the hook trailer to the tractor, use the lower transport hitch - the hitch
for single axle trailer. Check safety clips.
• Be especially careful when hitching the machine.
• When hitching, there must be nobody between the trailer and the tractor.
• Regularly check the condition of connections and safety devices.
• The hydraulic system is under high pressure when operating.
• Regularly check the technical condition of the connections and the hydraulic and
pneumatic leads.
• In the event of any fault or damage whatsoever, do not use the trailer until the fault
has been fixed.
• When connecting the hydraulic conduits to the tractor, make sure that the tractor
hydraulic system and hook trailer are not under pressure.
• Check condition of machine hydraulic system frequently, oil leaks are not allowed.
• Before beginning repair works on hydraulic or pneumatic systems reduce oil or air
pressure.
2.4
• In the event of injuries being caused by pressurised hydraulic oil, contact a doctor
immediately. Hydraulic oil may find its way under the skin and cause infections.
• Use the hydraulic oil recommended by the Manufacturer. Never mix two types of oil.
• After changing the hydraulic oil, the used oil should be properly disposed of.
• When working on the tyres, chocks attached to hook trailer should be placed under the
wheels of the hook trailer to prevent it from rolling.
• Repair work on the wheels or tyres should be carried out by persons trained and
entitled to do so. This work should be carried out using appropriate tools.
• After removing a wheel, always check how firmly the nuts are screwed in. Inspection
should take place each time after first use, after first journey with a load and then
every 6 months.
• Check the tyre pressure regularly.
• During work use the proper, close-fitting protective clothing, gloves and appropriate
tools.
• Servicing and repair work should be carried out in line with the general principles of
workplace health and safety. In the event of injury, the wound must be immediately
cleaned and disinfected. In the event of more serious injuries, seek a doctor's advice.
• Repair, maintenance and cleaning work should be carried out with the tractor's engine
switched off and the ignition key removed.
• Regularly check the condition of the bolt and nut connections.
• Before welding or electrical work, the hook trailer should be disconnected from the
power supply.
• During the warranty period, any repairs may only be carried out by Warranty Service
authorised by the manufacturer.
• Should it be necessary to change individual parts, use only original parts. Non-
adherence to these requirements may put the user and other people's health and life
at risk, and also damage the hook trailer.
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