1. Manuals
  2. Brands
  3. PRONAR Manuals
  4. Farm Equipment
  5. T8724
  6. Operator's manual

PRONAR T8724 Operator's Manual

Agricultural trailer
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
PRONAR SP. Z O.O.
17-210 NAREW, UL. MICKIEWICZA 101A, PODLASKIE PROVINCE
PHONE: +48 085 681 63 29
+48 085 681 63 81
FAX:
+48 085 681 63 83
OPERATOR MANUAL
AGRICULTURAL TRAILER
PRONAR T8724/1
TRANSLATION OF THE ORIGINAL COPY OF THE MANUAL
PUBLICATION NO 667.01.UM.1A.EN
PRONAR T8724
REVISION 1A
11-2023
+48 085 681 64 29
+48 085 681 63 82
+48 085 682 71 10
667-0.01-1
EN

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the T8724 and is the answer not in the manual?

Questions and answers

Related Manuals for PRONAR T8724

Summary of Contents for PRONAR T8724

  • Page 1 PRONAR SP. Z O.O. 17-210 NAREW, UL. MICKIEWICZA 101A, PODLASKIE PROVINCE PHONE: +48 085 681 63 29 +48 085 681 64 29 +48 085 681 63 81 +48 085 681 63 82 FAX: +48 085 681 63 83 +48 085 682 71 10...
  • Page 2 Keep this manual for future reference. If the Operator Manual is lost or damaged, contact the seller or the manufacturer for a copy. Copyright © PRONAR Sp. z o.o. All rights reserved. The entirety of this document is the property of PRONAR Sp. z o.o. and is a work within the meaning of the Law on Copyright and Related Rights.
  • Page 3 Thank you for purchasing our trailer. In the interests of your safety and care for the reliability and durability of the machine, we ask that you familiarise yourself with the content of this manual. Remember!!! Before using the trailer for the first time, check if the wheels are properly tightened!!! Regularly check the technical condition of the machine in accordance with the attached schedule.

  • Page 5: Table Of Contents

    1.19 1.9.4 Work shoes 1.20 1.9.5 Warning vest 1.20 1.9.6 Protective gloves 1.20 1.9.7 Safety glasses with side shields 1.21 1.9.8 Industrial protective helmet 1.21 1.9.9 Anti-dust respirator 1.22 CHAPTER 2 BASIC INFORMATION 2.1 Identification 2.1.1 Machine identification Pronar T8724 T8724/1...
  • Page 6 4.8 Load box 4.14 4.9 Distributor hydraulic system 4.16 4.10 Hydraulic tipper system 4.17 4.11 Tailgate hydraulic system 4.18 4.12 Hydraulic system of the drawbar 4.19 4.13 Hydraulic active steering installation 4.20 4.14 Steering lock hydraulic system 4.22 Pronar T8724 T8724/1...
  • Page 7 6.11 Checking wheel axle bearings for slackness 6.18 6.12 Adjust the play of the axle bearings 6.20 6.13 Inspection of mechanical brakes 6.22 6.14 Inspection of parking brake cable tension 6.24 6.15 Inspect the hydraulic system 6.26 Pronar T8724 T8724/1...
  • Page 8 6.25 Lubrication 6.47 6.26 Electrical system service and warning elements 6.53 6.27 Consumables 6.54 6.27.1 Hydraulic oil 6.54 6.27.2 Lubricants 6.55 6.28 Tyres 6.56 6.29 Troubleshooting 6.57 CHAPTER 7 CONTROL PANEL 7.1 Wired control ATTACHMENTS AND ADDITIONAL MATERIALS Pronar T8724 T8724/1...
  • Page 9 Pronar T8724 T8724/1...

  • Page 11: Introduction

    Chapter 1 Introduction PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 12: Dear User

    Remember that the correct service, in accordance with the manufacturer's instructions, reduces the risk of an accident to a minimum, and working with the machine is more efficient and less emergency. Pronar SGD21 655.01.UM.1A.EN...
  • Page 13 "Warranty card" and in the sales doc- uments. For information on identifying the machine, see "Basic information" chapter. We recommend that you have the most important serial numbers entered the field below. Machine serial number: WST.3.B-001.01.EN 655.01.UM.1A.EN Pronar SGD21...

  • Page 14: Rules For Using The User's Manual

    The machine was constructed in accordance with applicable standards, documents and current legal regulations. Separate studies can be attached to this manual that can be found in the chapter "Attachments and addi- tional materials". WST.3.B-002.01.EN Pronar SGD21 655.01.UM.1A.EN...

  • Page 15: Target Group

    Responsibilities and permissions The user acquired by the user allows for safe handling of the machine. In unforeseen cases, the user should follow a reasonable procedure and take care of their safety, people located near a working machine and other traffic users. 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 16: Qualified Person (Qualified Personnel)

    The following persons include qualified persons: • qualified mechanic, • qualified electrician, • qualified plumber. Activities that can be performed by a qualified me- chanic are marked with a pictogram: PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 17: Service Personnel

    A bystander can not be admitted to work with the machine. WST.3.C-002.02.EN 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 18: Symbols And Tags Used In The Manual

    1.4.3 Advice Additional instructions contained in the manual de- ADVICE scribe useful information on operating the machine and are marked with a frame with the word ADVICE. Pronar SGD21 655.01.UM.1A.EN...

  • Page 19: Personal Protective Equipment Pictograms

    Chapter 2 - Introduction 1.4.4 Personal protective equipment pictograms Work shoes reflective vest industrial helmet working clothes respiratory protection safety goggles protective gloves hearing protectors 1.4.5 Qualification pictograms operator qualified mechanic qualified plumber qualified electrician 655.01.UM.1A.EN Pronar SGD21...

  • Page 20: Typography Of The User Manual

    Additional in- formation can also be included in the comment. An example of a comment The required air pressure is described on the sticker placed on the machine frame, over the wheel. 1.10 Pronar SGD21 655.01.UM.1A.EN...
  • Page 21 3. Insert the crank into a square shaft of the gear and turning the clock clockwise on the direction of the clock. 4..References to pages Reference to chapter (place in the manual) related thematically An example of a reference application WST.3.B-004.02.EN page 9.4 655.01.UM.1A.EN Pronar SGD21 1.11...

  • Page 22: Glossary Of Terms

    A motor vehicle designed for transporting goods; this term also refers to goods and passenger carrier vehicles that are designed for carrying goods and 1.12 Pronar SGD21 655.01.UM.1A.EN...
  • Page 23 Also referred to as a bystander — a person who has not been trained and has not been allowed to operate the machine. PTO - Power Take-Off Shaft - a shaft transmitting drive from the vehicle to the machine being moved. WST.3.B-005.02.EN 655.01.UM.1A.EN Pronar SGD21 1.13...

  • Page 24: Designation Of Directions In The Manual

    Right side - the right hand side of the observer facing the machine in the forward direction. Turn right – turn the mechanism clockwise (operator facing the mechanism). Turn left – turn the mechanism counterclockwise (operator facing the mechanism). WST.3.B-006.61.EN 1.14 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 25: Final Acceptance

    Check the correct tightening of the wheels. • Check the technical condition of flexible con- duits of the hydraulic and pneumatic systems. Make sure the layouts are tight. • Inspect hydraulic and/or pneumatic 1.15 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 26: The First Start Of The Machine

    • Release the tractor parking brake. If during the test run, alarming symptoms appear, such as: • Noise and unnatural sounds coming from the rubbing of moving parts against the machine structure, • Leaking braking system, • hydraulic oil leaks, 1.16 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 27 After completing the test run, check the tightness of the wheel nuts. WST.3.B-007.01.EN 1.17 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 28: Environmental Hazard

    Used oils or oils that cannot be reused due to the loss of their properties are recommended to be stored in their original packaging in the same conditions as de- scribed above. WST.3.B-008.01.EN 1.18 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 29: Personal Protective Equipment

    (e.g. tractor, loader, belt conveyors, etc.). Remember to properly store and maintain your hearing protectors. Poorly stored and maintained hearing protectors lose their protective properties over time. Periodically replace the soundproofing cushions ac- cording to the manufacturer's recommendations. 655.01.UM.1A.EN Pronar SGD21 1.19...

  • Page 30: Work Shoes

    Protective gloves should protect the hands from cuts, scratches, abra- sions, punctures and similar injuries to the skin and 1.20 Pronar SGD21 655.01.UM.1A.EN...

  • Page 31: Safety Glasses With Side Shields

    There are adjustment manufacturer. Following these guide- straps for this purpose. The helmet has a limited shelf lines will ensure safe use and the best life., protection. 655.01.UM.1A.EN Pronar SGD21 1.21...

  • Page 32: Anti-Dust Respirator

    Remember that facial hair can make it difficult to seal the face mask. Minimum half mask recommendations: • type FFP1, in accordance with EN-149: 2001 + A1: 2009, protection against non-toxic liquid or solid aerosols, • P1 class. WST.3.C-004.01.EN 1.22 Pronar SGD21 655.01.UM.1A.EN...

  • Page 33: Basic Information

    Chapter 2 Basic information PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 34 Warranty Book, in the sales documents and in the Operator Manual. The meaning of the individual items found on the nameplate are presented in table. Write down the serial number of the trailer in the upper box. PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 35 General description and purpose Symbol / type of trailer Year of manufacture Official certificate number Maximum gross weight Tare weight Technically permissible weight Permissible hitch load Permissible load for individual axles Technically permissible individual axle load 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 36: Axle Identification

    Chapter 2 - Basic information PRONAR Sp. z o. o. Mickiewicza 101A 17-210 Narew PRONAR 661-2.03-1 Figure 2.3 nameplate CE Table 2.2 Markings on nameplate CE Item Meaning Trade name of the product or general description and function Machine VIN...
  • Page 37 11800 11000 10000 ID2- 3013P BLH07213B BLH07313B 12900 12000 11000 UTAC25 UTAC40 ID3- 7848 PRONAR ID4- 10600 10000 9000 120252-19-TAC Sp. z o.o. 660-2.04-2 Figure 2.4 Axle identification (1) wheel axle (2) nameplate (3) axle serial number INF.3.H-001.11.EN 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 38: Intended Use Of The Machine

    WARRANTY CARD and to the guidelines contained in these documents, • understand the principle of machine operation and the safe and proper operation of the trailer, • work in compliance with established mainte- nance and adjustment plans, PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 39: Expected Misuse

    (causing steel corrosion, destroying paint coatings, dis- solving plastic elements, destroying rubber elements, etc.), • transport of improperly secured cargo that could cause road and environmental pollution while driving, 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 40 When operating the machine, it is strictly forbidden to: • stay in the danger zone, • climb onto the machine while it is working, • make any unauthorized design changes, • repairs and service by unauthorized and unqu- alified personnel. INF.3.B-002.01.EN PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 41: Requirements For Agricultural Tractor

    Chapter 2 - Basic information REQUIREMENTS FOR AGRICULTURAL TRACTOR Table 2.3 Requirements for agricultural tractor Requirements Contents Unit T8724 / T8724/1 Brake system - sockets Pneumatic according to ISO 1728 Hydraulic system according to ISO 7421-1 Hydraulic system Hydraulic oil L HL 32 Lotos...

  • Page 42: Minimum Tractor Front Axle Load

    DANGER Inadequate load on the front axle of the tractor may result in damage, insufficient stabili- 657-E.04-1 ty and insufficient steering and Figure 2.5 Minimum tractor front axle load braking ability of the tractor. INF.3.H-003.01.EN 2.10 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 43: Trailer's Equipment

    Hydraulic suspension ● Hydraulic opened tailgate ● Hydraulic tipper system ● Passive axle hydraulic steering system ● Active axle hydraulic steering system ● Pneumatic brake system ● Hydraulic brake system ● Load box deflectors ● 2.11 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 44 This allows the possibility of ordering new machines with a different set of optio- nal equipment, replacing standard equipment. Information on tyres is provided at the end of this publication in ANNEX A. INF.3.E-002.01.EN 2.12 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 45: Transport

    Carefully read the informa- tion contained in the Operator Manuals for the given securing measures. Incorrect use of securing me- asures may cause an accident. 667-2.02-1 Figure 2.6 Attachment points (1) bracket (2) lower frame (3) load box 2.13 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 46: Transport By The User

    During reloading work, take special care not to damage any accessories or paint finish. 2.5.2 Transport by the user In the event of independent transport by the user, after purchasing the trailer, the user should read the 2.14 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 47 During shipping When transporting indepen- adjust ground speed to the prevailing road conditions, dently, the user must carefully but do not exceed the maximum design speed. read this Operator Manual and observe all its instructions. INF.3.B-005.31.EN 2.15 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 48: Terms Of Warranty

    Chapter 2 - Basic information TERMS OF WARRANTY PRONAR Sp. z o.o. in Narew guarantees smooth operation of the machine when it is used in accor- ADVICE dance with the technical and operational conditions You should require the seller described in theUSER MANUAL. Deadline for com- to carefully fill out the Warranty pletion of repairs is specified in the Warranty Card.

  • Page 49: Environmental Risk

    Oil which has been used up or is unsuitable for further use owing to loss of its properties should be stored in its original packaging in the conditions described above. Detailed information on hydraulic oils can be found in the Material Safety Data Sheets. INF.3.B-007.02.EN 655.01.UM.1A.EN Pronar SGD21 2.17...

  • Page 50: Withdrawal

    Sorbents, filter materials and protective clothing conta- 15 02 02* minated with hazardous substances 16 01 03 Worn tires 17 04 05 Iron and steel 17 04 11 Cables other than those mentioned in 17 04 10 INF.3.B-008.01.EN 2.18 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 51: Safety Of Use

    Chapter 3 Safety of use PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 52: Basic Safety Rules

    Remember that your safety is the most important thing. • It is forbidden to use the machine by persons PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 53 • Use of the machine for purposes other than envisaged by the Manufacturer is incon- sistent with the intended use and may void the warranty. BHP.3.B-001.01.EN 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 54: Safety When Hitching The Machine

    • While connecting the trailer to the tractor, use the appropriate hitch. After completed hitching of the machines check that the hitch is properly secured. Carefully read the tractor Operator Manual. If the tractor is equipped with an au- tomatic hitch, make certain that the hitching is completed. PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 55 Make sure that chocks are included in the trailer equipment. • The trailer must not be moved when the parking stand is extended and rests on the ground. If moved there is a risk of damage to the parking stand. BHP.3.B-002.11.EN 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 56: Safety When Operating The Hydraulic And Pneumatic Systems

    • In the event of injuries being caused by pressurized hydraulic oil, contact a doctor im- mediately. Hydraulic oil can penetrate the skin and cause infection. • If the oil gets into the eyes, rinse with plenty of PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 57 Chapter 3 - Safety of use water and if irritation occurs, contact a doctor. • In the event of contact of oil with skin wash the area of contact with water and soap. Do not use organic solvents (petrol, kerosene). BHP.3.G-003.01.EN 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 58: Rules Of Safe Technical Service

    • Any modification of the trailer releases PRONAR Narew from any liability for damage or injury. • You can enter the trailer only when the trailer is absolutely stationary and the tractor engine is switched off.
  • Page 59 Before starting work, it is recommended to prepare a CO or foam extinguisher. • In the event of work requiring the trailer to be raised, use properly certified hydraulic or me- chanical lifts for this purpose. After lifting the machine, be sure to use additional, stable and 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 60 • Perform maintenance and repair activities applying the general principles of health and safety at work. • In case of injury, wash and disinfect the wound immediately. • In case of serious injuries consult a physician. BHP.3.B-004.01.EN 3.10 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 61: Description Of Residual Risk

    Chapter 3 - Safety of use DESCRIPTION OF RESIDUAL RISK Pronar Sp. z o. o. o. in Narew made every effort to eliminate the risk of an accident. However, there is some residual risk that can lead to an accident and is primarily associated with the following activities: • using the trailer for purposes other than de-...

  • Page 62: Driving On Public Roads

    • Do not leave the machine unsecured. When not connected to the tractor, the trailer must be immobilised with parking brake and protected against rolling with chocks or other objects without sharp edges placed under the wheels. 3.12 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 63 • Do not exceed the permissible load of the trailer. Exceeding the carrying capacity may lead to damage to the machine, loss of stability and danger while driving. The brake system is adjusted to the gross weight of the trailer, 3.13 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 64 • Do NOT park the trailer on a slope. • If the trailer has hydraulic suspension, you can only start driving when the trailer is completely raised. You cannot move the trailer if the su- spension is even slightly lowered. BHP.3.E-002.01.EN 3.14 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 65: Working With The Machine With The Power Take-Off (Pto)

    • During transport, the shaft should be stored in a horizontal position to avoid damage to guards and other safety devices. • When using the shaft and trailer, do not use 3.15 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 66 • It is forbidden to use safety chains to support the shaft during standstill or transporting the trailer. BHP.3.B-008.01.EN 3.16 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 67: Information And Warning Decals

    • If any are destroyed or damaged, they must be replaced with new. Information and warning decals may be purchased directly from the Manufacturer or your PRONAR dealer. • Part numbers of information decals are given in table (3.1) and in Spare Parts List. New as-...
  • Page 68 58N-0000012 Danger of crushing Maintain a safe distance when opening and closing the tailgate. 58N-0000013 Note Danger of electric shock. Keep a safe distance from overhead electric power lines during unloading. 58N-0000020 Company branding. 566N-97000003-03 3.18 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 69 Chapter 3 - Safety of use Item Decal Meaning Type of trailer T8724. 667N-00000201 Type of trailer T8724/1. 667N-00000202 Warning decal left. (282x423) Warning decal left. (282x423) 3.19 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 70 Chapter 3 - Safety of use 667-3.02-1 Figure 3.3 Locations of information and warning decals BHP.3.E-001.01.EN 3.20 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 71: Design And Operation

    Chapter 4 Design and operation PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 72: Technical Specification

    Tractor power demand HP/kW 147.1 Electrical system voltage Noise emission level below 70 *- depending on the trailer version and legal limitations in a country of sale, the actual technical specification may differ from the above specification. PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 73 Load box length B 8 700 Total height C 3 610 Platform height from the ground D 1 500 Height without wall extension E 3 020 BIZ.3.E-001.01.EN ATTENTION Some technical parameters may vary depending on ad- ditional equipment of the trailer. 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 74: Trailer Construction

    (7) drawbar hitching eye (8) parking stand (9) frame with tarpaulin cover (10) extension (11) bumper (12) wheel chocks (13) fenced platform (14) ladder (15) lights support beam (16) toolbox (17) turning steering system (18) apron PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 75 (2). The load box (1) is mounted on the frame (2) and can be tipped backwards. The hy- draulically opened tailgate (5) equipped with a grain chute facilitates loading and unloading of transported materials. Optionally, the load box can be equipped with extensions (10) and a rolled tarpaulin (9). BIZ.3.E-002.01.EN 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 76: Pneumatic Brake System

    • 2-wire pneumatic system with automatic hy- draulic brake force regulator (for versions with hydraulic suspension), The main pneumatic brake is activated from the tractor driver's cab by pressing on the brake pedal. PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 77 (5) "red" connector (6) air tank (7) diaphragm cylinder (8) diaphragm-spring actuator If a brake line between the machine and the tractor gets disconnected inadvertently, the control valve (1) will automatically activate the machine brakes. BIZ.3.E-003.01.EN 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 78: Hydraulic Brake System

    (2) quick coupler socket (3) connection wire The main hydraulic brake is activated from the tractor driver's cab by depressing the brake pedal. The hydraulic brake system of the machine is filled with L-HL32 Lotos hydraulic oil. BIZ.3.H-004.01.EN PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 79: Pneumatic Parking Brake

    (3). The parking break release valve is equipped with the emergency brake function which is activated in the event of pressure drop in the supply conduit (as a result of conduit disconnection or damage). 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 80 Machine is braked Pneumatic lines are not connected. If the black button is depressed, the brake will be released. DEPRESSED DEPRESSED Parking brake is released, manoeuvre position The trailer brake is completely released. Pneu- matic lines are not connected. BIZ.3.H-005.01.EN 4.10 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 81: Parking Brake

    (clockwise), the steel cable becomes tense causing the brake expander lever to deflect, which, by spre- ading the brake shoes, immobilize the trailer. Prior to moving off, handbrake must be released - steel cable must hang loose. BIZ.3.8-005.41.EN 4.11 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 82: Safety Brake

    (3) will act on the mechanism lever (1), which will cause the brake expander levers to tilt, which, by opening the brake shoes, immobilizes the trailer. Before driving, check the safety brake - the steel cable and safety cable 4.12 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 83 Chapter 4 - Safety of use must hang loosely and the ratchet mechanism must be in the unlocked position. BIZ.3.B-005.11.EN 4.13 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 84: Load Box

    Chapter 4 - Safety of use LOAD BOX 667-4.06-1 Figure 4.8 Load box (1) load box (2) tailgate (3) extension (4) tarpaulin cover (5) ladder (6) fenced platform (7) chute (8) linking cable (9) deflectors (10) tipping hinge 4.14 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 85 (3) with canvas cover (4). On the front wall of the load box is placed the platform (6) and folding ladder (5). The side walls are connected with fastening cables (8). BIZ.3.E-004.01.EN 4.15 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 86: Distributor Hydraulic System

    (6) suspension interlock cylinder (4) hydraulic lines (A) tipping the load box (B) hydraulic support (C) tailgate (D) hydraulic drawbar The conduits (4) power the distributor's hydraulic system. The appropriate trailer systems are powered through individual distributors. BIZ.3.E-006.01.EN 4.16 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 87: Hydraulic Tipper System

    (6) controlled by a lever or a wired controller. The tipping angle of the load box is limited for safety reasons by a cut-off valve (2) with a cable (4) and limiting cables (5). BIZ.3.E-007.01.EN 4.17 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 88: Tailgate Hydraulic System

    The tailgate is raised and lowered using two actuators (1) with hydraulic locks (4) on them, the task of which is to prevent the tailgate from lowering automatically in the event of a leak in the hydraulic system. BIZ.3.E-009.01.EN 4.18 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 89: Hydraulic System Of The Drawbar

    The hydraulic system for adjusting the height and amortization of the drawbar is composed of two hy- draulic cylinders (1) connected to hydraulic batteries (2). The hydraulic lines of the system are connected to the non-return valve (3). BIZ.3.H-009.11.EN 4.19 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 90: Hydraulic Active Steering Installation

    The drawbar's cylinders are connected with the string (8) by means of a lever. The strings' ball-shaped ends (8) are connected with the tractor hitch which meets 4.20 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 91 (7). Under the load box, on the left side, there is a hydraulic hand pump (7) for filling and setting the pressure in the steering system. BIZ.3.8-006.31.EN 4.21 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 92: Steering Lock Hydraulic System

    Lotos hydraulic oil. the left or right when reversing. BIZ.3.B-011.01.EN ATTENTION When moving a loaded trailer at high speed, you must block the steering axle. When driving backwards, lock the steering axle. 4.22 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 93: Hydraulic Support System

    Secure the machine when parked using the parking brake, chocks and hydraulic support. When aggre- gating the machine, set the drawbar link at the ap- propriate height using the support. Before driving, raise and fold the support to the transport position. BIZ.3.C-006.11.EN 4.23 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 94: Hydraulic System With Oil Tank

    (3), which is powered by the oil tank (1). Hydraulic oil from the pump (2) goes to hydraulic distributors (4) and (5), from where it is directed via the hydraulic sections of the distributors to the ap- propriate hydraulic circuits. 4.24 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 95 Chapter 4 - Safety of use Table 4.5 Rear power take-off shaft PTO Parameter Unit Requirements Type Type 1 (1 3/8”) acc. to ISO 730-1 Rotation speed Number of splines on PTO shaft Rotation direction clockwise BIZ.3.E-011.01.EN 4.25 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 96: Hydraulic Suspension

    (5) are terminated with quick connectors with black plugs. Valves (6) and connection lines are used for setting and adjusting the trailer suspension. The connection line without hydraulic valve (6) is used to lift the front axle. BIZ.3.E-012.01.EN 4.26 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 97: Installation Of Solenoid Valves

    (1) via a cable (4). The appropriate control outputs of the module are connected to the electro -hydraulic distributor coils responsible for performing specific trailer functions. The system is powered by cable (3). BIZ.3.E-013.01.EN 4.27 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 98: Electrical Lighting System

    (2) front parking light (3) 7-pin socket (4) side clearance lamp (5) rear left lamp (6) rear right lamp (7) left clearance lamp (8) right clearance lamp (9) licence plate light (10) warning board (11) warning sign 4.28 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 99 (2) view from the wiring harness side The trailer electrical lighting system is designed for 12 V DC supply. Connect the electrical system of the machine to the tractor using the connection cable (1) attached to the trailer. 4.29 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 100 Markings connection socket's connections Marking Function (lead colour) Left indicator (yellow) 2/54 unused 3/31 Ground (white) Right indicator (green) 5/58R Rear right parking light (brown) 6/54 STOP light (red) Rear left parking light (black) BIZ.3.E-014.01.EN 4.30 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 101: Correct Use

    Chapter 5 Correct use PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 102: Adjustment Of Drawbar Height

    Before making adjustments, block the trailer with the parking brake and place support chocks under the rigid axle wheel. Support the front part of the machine frame so that the machine stands stably. Fold the parking stand to the transport position. PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 103 5. Use the lever (8) of the distributor (4) or the wired controller (7) to set the appropriate drawbar height. OBS.3.E-001.01.EN 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 104: Operation Of Mechanical Parking Stand

    Position (B) is used to lower and raise the drawbar pers. of the unloaded machine. In position (B), the support leg (2) moves slowly and a large force is not required to raise the machine. Raising the support 1. Secure the machine against rolling away. 2. Position the tractor in such a way that the PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 105 7. Turn crank clockwise to lower support to the ground, adjust drawbar height in relation to hitch (if machine shall be hitched to tractor). 8. Place safety pin (5) in position, and set crank in neutral position (A). OBS.3.E-002.01.EN 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 106: Operation Of Hydraulic Parking Stand

    7. Use the tractor's distributor lever to set the ap- propriate height of the drawbar hitching eye. Lowering the support 1. Secure the machine against rolling away. 2. Position the tractor in such a way that the PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 107 6. Set the hydraulic section in the tractor, to which the support is connected, to "floating" position Lubricate the recommended lubrication points. in order to reduce pressure in hydraulic lines. 7. Disconnect the hydraulic lines and place the plugs on the line hanger. OBS.3.E-003.01.EN 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 108: Hitching And Unhitching The Machine

    • Make sure that the machine is immobilised with parking brake. For pneumatic parking brake; red button (5) pulled out. Black button (4) pressed. For mechanical parking brake; the brake cable is tight. For the safety brake, the brake cable is tight. PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 109 • Check the hitch lock protecting the trailer compressor and add air in the against accidental unhitching. pneumatic system tank. • If the tractor is equipped with an automatic 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 110 (disconnection 661-H.04-1 Figure 5.6 Diagram of pneumatic brake system (1) yellow plug (2) red plug 657-H.06-1 Figure 5.7 Diagram of hydraulic brake system (1) socket (2) decal 5.10 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 111 (7-pin). al of the shaft manufacturer, • Connect the power supply (2) and communi- which describes all maintenan- cation cables (3) of the wired controller. ce activities related to the deli- vered product. • If the tractor is not equipped with such sockets 5.11 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 112: Unhitch The Trailer

    • If the machine is fully operational, one may commence work. • Immediately before driving remove wheel chocks and release the parking brake. The red button pressed. Black button pulled out. 5.4.2 Unhitch the trailer 5.12 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 113 Before disconnecting the lines, shaft and drawbar hitching • Install the drawbar hitching eye protection. eye, close the tractor cabin and OBS.3.E-004.01.EN secure it against unauthorized access. Turn off tractor engine. 5.13 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 114: Notes

    If it is not possible to properly secure the load, do by covering the load box, using a roll-up tarpaulin not transport it. available as an additional accessory for the trailer. 5.14 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 115 (no load anchorages), packaged is necessary to apply additional personal protective equipment materials can be only arranged below the load box (masks, rubber gloves etc.) wall height. 5.15 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 116 The trailer user must carefully loading zone. Before unloading read the regulations concerning road transport and the load box ensure proper vi- comply with them. sibility and make certain that there are no bystanders near OBS.3.B-005.01.EN the trailer. 5.16 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 117: Weight Of The Transported Materials

    750 – 800 dry beet pulp 350 – 400 bran 320 – 600 bone meal 700 – 1,000 fodder salt 1,100 – 1,200 molasses 1,350 – 1,450 silage (underground silo) 650 – 1,050 5.17 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 118 40 - 100 pressed straw (low compaction) 80 - 90 pressed straw (high compaction) 110 - 150 cereal mass cut on a volume trailer 35 - 75 cereal mass cut on a collecting trailer 60 - 100 5.18 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 119 180 - 250 Other: dry soil 1,300 – 1,400 wet soil 1,900 – 2,100 fresh peat 700 – 850 compost soil 250 – 350 Source: „Technologia prac maszynowych w rolnictwie”, PWN, Warsaw 1985 OBS.3.8-005.01.EN 5.19 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 120: Storage

    You should also check your tire pressure from time to time, and if necessary inflate the wheels to the correct value. Store the articulated telescopic shaft for connecting to the tractor in a horizontal position. OBS.3.8-008.01.EN 5.20 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 121: Backwords Unloading

    (5). rotating mechanism. 667-5.06-1 Tailgate (1) tailgate (2) wired controller (3) raising button (4) lowering button (5) manifold lever 5.21 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 122 When powering the trailer's hydraulic system from the tractor's hydraulic distri- butor, activate the appropriate section of the tractor's hydraulic distributor. Turn on the wired controller and press the load box raising button (3) on the wired controller 5.22 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 123 6. Before setting off, make sure the load box has been lowered properly and the tailgate is properly locked. 7. Remove remains of load from the trailer. OBS.3.E-005.01.EN 5.23 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 124: Operate The Chute

    During unloading through chute, load box must be raised slowly and smoothly. OBS.3.B-007.01.EN 657-H.09-1 Figure 5.11 Tailgate (1) damper (2) chute (3) lever (4) locking bolt 5.24 Pronar T8724 Pronar T8724/1 667.01.UM.1A.PL...

  • Page 125: Use Tarpaulin Cover

    • Fasten the belts (3) and tighten the tarpaulin using the tensioners (7). 667-5.07-1 Figure 5.12 Rolling tarpaulin operation (1) crank (2) tarpaulin cover (3) belt (4) fenced platform (5) limiter (6) ladder (7) tensioner 5.25 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 126 (3) securing the tarpaulin. • Climb onto the fenced platform (4) using the ladder. • Roll up the tarpaulin by turning the crank (1) so that the tarpaulin rests on the limiters (5). OBS.3.B-008.21.EN 5.26 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 127: Use Of Tires

    • Valves must be secured with appropriate caps to avoid soiling. • Do not exceed the maximum trailer speed. • During the whole day cycle, take a minimum of one hour break at noon. 5.27 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 128 • Observe 30 minutes breaks for cooling the tires after driving 75 km or after 150 minutes of continuous driving, whichever comes first. • Avoid damaged surfaces, sudden and variable manoeuvres, and high speeds when turning. OBS.3.8-010.01.EN 5.28 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 129: Cleaning

    Do not direct the water jet directly at the system com- ponents and trailer equipment, i.e. the control valve, brake cylinders, pneumatic, electric and hydraulic plugs, lights, electrical connectors, information and warning decals, data plate, conduit connections, lubrication points, etc. high water pressure may cause mechanical damage to these components. 5.29 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 130 • Observe environmental protection principles, wash trailer in designated places. • Washing and drying the trailer must take place at temperatures above 0 In winter, frozen water can cause damage to the paint coat or machine components. OBS.3.8-011.01.EN 5.30 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 131: Storage

    You should also check your tire pressure from time to time, and if necessary inflate the wheels to the correct value. Store the articulated telescopic shaft for connecting to the tractor in a horizontal position. OBS.3.8-012.01.EN 5.31 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 132 Chapter 5 - Safety of use 5.32 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 133: Periodic Inspections And The Technical Support

    Chapter 6 Periodic inspections and the technical support PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 134: General

    Detailed information on the review schedule can be found in chapter entitled “Maintenance and inspection schedule". After the warranty expires, it is recommended that inspections be carried out by specialized repair workshops. During work, use protective clothing and protective equipment suitable for requirements. SER.3.B-001.01.EN PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 135: Preparing The Trailer

    9. Base lift in places marked with an arrow in the drawing. Recommended trailer support points. For absorber suspension (A) and hydraulic suspension (B), the recommended place 667-6.01-1 Figure 6.1 Recommended trailer supporting points (1) wheel axle (2) decal (A) spring suspension (B) hydraulic suspension system 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 136 11. Lifting jack must be suitable for the weight of trailer. 12. In exceptional cases, release the machine parking brake, for example when measuring half axle bearing slackness. Be especially ca- reful in that case. SER.3.E-002.01.EN PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 137: Inspect Covers

    2. Check whether the covers are properly in- stalled, assess the condition of the bumper (7) and the attachment of the lamp covers (6). 3. Check the correct mounting and technical con- dition of the mudguards (5). 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 138 6. Check the gear shaft cover (2) for correct attachment. 7. Check the technical condition and correct at- tachment of the rear apron (3) and mud flaps (8). 8. If necessary, tighten the bolt connections fixing the shields. SER.3.E-003.01.EN PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 139: Checking Plugs And Connection Sockets

    Contact of pneumatic connection seals with oils, grease, ga- soline etc. may damage them and accelerate the aging process. If the trailer is disconnected from the tractor, 622-I.04-1 Figure 6.3 Checking the trailer connections 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 140 Each time before connecting the machine, check the technical condition and degree of cleanliness of con- nections and sockets on the agricultural tractor. If ne- cessary clean or repair tractor sockets. SER.3.8-005.01.EN PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 141: Inspect The Machine Before Driving Off

    Replace damaged cylinder with a new one. When installing the brake cylinder, maintain its original position with regard to 65-6.16-1 Figure 6.4 Brake cylinder 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 142 When moving off check if the main brake system operates correctly. Please note that to ensure proper operation of the pneumatic system the correct air pressure level in the machine air tank is required. Correct operation of other systems should be checked regularly during operation of the machine. SER.3.E-004.01.EN 6.10 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 143: Air Pressure Measurement, Inspection Of Tyres And Wheels

    2. Check air pressure. 3. If necessary, inflate the tyre up to the recom- mended pressure. 4. Required tyre pressure values are specified on the information decal (1) placed on the wheel rim. 5. Check tyre tread depth. 6. Check tyre side wall. 6.11 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 144 Wheels should be inspected with regard to distortion, breaking of material, breaking of welds, corrosion, especially in the area of welds and contact with tyre. SER.3.E-005.01.EN 6.12 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 145: Air Tank Drainage

    • If it is necessary to clean the drain valve, follow the chapter “Cleaning the drain valve". Figure 6.6 Air tank (1) drain valve (2) air tank SER.3.8-004.01.EN 6.13 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 146: Clean The Air Filters

    5. The filter element and the filter body should be carefully cleaned and blown through with com- pressed air. 6. Assembly should be done in reverse order. 526-I.08-1 Figure 6.7 Air filter (1) filter slide gate (2) cover SER.3.E-006.01.EN 6.14 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 147: Cleaning The Drain Valve

    3. Undo nut (1). 4. Clean the valve, blow it with compressed air. 5. Replace the seal. 6. Screw in valve, fill tank with air and check tank tightness. SER.3.E-007.01.EN 6.15 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 148: Checking Brake Shoe Linings For Wear

    2. Remove the upper plug and lower plug and check the brake shoe lining thickness. 3. Brake shoes must be replaced when the lining 6.16 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 149 Chapter 6 - Periodic inspections and the technical support thickness is less than 5 mm. 4. Check other brake shoe linings for wear. SER.3.E-009.01.EN 6.17 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 150: Checking Wheel Axle Bearings For Slackness

    In such an event the bearing, together with sealing ring, should be replaced with new parts, or cleaned and greased again. 7. During inspection of bearings, ensure that 6.18 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 151 (e.g. slackness of leaf spring pins etc.). 8. Check technical condition of hub cover, if ne- cessary replace it with a new one. SER.3.E-010.01.EN 6.19 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 152: Adjust The Play Of The Axle Bearings

    526-I.16-1 Figure 6.11 Bearing slackness adjustment principle (1) hub cover (2) cotter pin; (3)nut (4) taper bearing Procedure Prepare tractor and machine for adjustment proce- dures according to description in section ”Prepare the machine”. 6.20 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 153 The nut must not be excessively tightened. Otherwise, operating conditions of the be- arings will deteriorate. 5. Secure castellated nut with cotter pin and mount hub cover (1). 6. Delicately tap hub cap with rubber or wooden hammer. SER.3.E-016.01.EN 6.21 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 154: Inspection Of Mechanical Brakes

    Check the brakes by measuring this angle and the stroke of the piston rod for each wheel. Procedure 1. Measure the X distance when the tractor brake pedal is released. 2. Measure the Y distance when the tractor brake pedal is depressed. 6.22 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 155 4. Check the angle between the cylinder rod axis and the expander lever. 5. If the expander arm angle (2) and the cylinder rod stroke are outside the range specified in Table “Adjustment parameters and settings”, adjust the brake. SER.3.E-011.01.EN 6.23 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 156: Inspection Of Parking Brake Cable Tension

    (A) to engage the parking brake. 4. Check tension of the cable (1). 5. When the brake mechanism bolt is maximally unscrewed, the cable should be loose and hanging by approximately 10 to 20 mm. 6.24 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 157 5. Check (approximate) cable slackness. When the working brake and parking brake are fully released, the cable should be loose and hanging by approximately 10-20 mm. The axle expander levers should be in their rest position. SER.3.E-012.01.EN 6.25 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 158: Inspect The Hydraulic System

    Inspect the technical condition of hydraulic connectors Hydraulic connections for connecting the trailer to tractor must be technically reliable and kept clean. Each time before connecting, check if sockets in tractor are maintained in good working condition. 6.26 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 159 Chapter 6 - Periodic inspections and the technical support Tractor and trailer hydraulic systems are sensitive to the presence of permanent contamination, which may cause damage to precision system components (jamming of hydraulic valves, scratching of cylinder surfaces etc.) SER.3.E-013.01.EN 6.27 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 160: Checking And Replenishing Oil In The Hydraulic System With Oil Tank

    When checking oil level and (5) drain plug (6) sight glass adding oil, use appropriate (7) drain plug (8) oil filler personal protection equipment i.e. protective clothing, safety shoes, gloves, safety goggles. Avoid contact of skin with oil. 6.28 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 161 2. Check the oil level in the tank (2) through the transparent oil sight glass (6). 3. If necessary unscrew filler plug (8) and add oil to the required level. Tighten the filler plug. The oil level should be halfway up the sight glass scale. SER.3.E-008.01.EN 6.29 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 162: Inspection Of Pneumatic Brake System

    Contact of pneumatic lines, seals etc. with oil, grease, petrol etc. may cause damage and accelerate the ageing process. Bent, permanently deformed, cut or worn lines should be replaced. SER.3.E-014.01.EN 6.30 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 163: Tightening Torques For Screw Connections

    Replace lost items with new ones. 589-I.10-1 Figure 6.15 Metric thread screw (1) strength class (d) thread diameter 6.31 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 164 13 (1/2”) 50÷ 70 M26x1.5 | M27x1.5 | M27x2 16 (5/8”) 70÷ 100 M30x1.5 | M30x2 | M33x1.5 20 (3/4”) 70÷ 100 M38x1.5 | M36x2 25 (1”) 100÷ 150 M45x1.5 32 (1.1/4”) 150÷ 200 SER.3.8-017.01.EN 6.32 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 165: Tightening Road Wheels

    The wheel nuts be tightened gradually diagonally (in several stages until the required tightening torque is achieved), using a torque wrench. The recommended order of tightening of the nuts and the tightening torque is shown on the figures. Wheel nuts must not be tightened with impact wrenches, due to the danger of exceeding the permis- sible tightening torque, which may result in breaking 6.33 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 166 • after first use of the machine (one-time inspection), • every 2-3 hours of driving during the first month of use, • every 30 hours of driving. If the wheel was disassembled, the above steps should be repeated. SER.3.8-018.01.EN 6.34 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 167: Replacement Of Hydraulic Hoses

    Chapter 6 - Periodic inspection and maintenance 6.20 REPLACEMENT OF HYDRAULIC HOSES Rubber hydraulic hoses should be replaced every 4 years regardless of their technical condition. This operation should be entrusted to specialized workshops. SER.3.8-020.01.EN 655.01.UM.1A.EN Pronar SGD21 6.35...

  • Page 168: Inspection Of Tridem Suspension System

    50 km with a load or after next after travelling 5000 km or 500 hours of operation, the next after 5,000 km after 1500 hours of operation, or after 1,500 hours of operation, then once a then once a year year. 6.36 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 169 If the trailer is operated in se- vere conditions or is operated intensively, the maintenance activities should be performed more frequently. ATTENTION Bolt and nut connections of suspension system should be tightened under load. SER.3.H-005.01.EN 6.37 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 170: Tridem Hydraulic Suspension Inspection

    50 km with a load or after next after travelling 5000 km or 500 hours of operation, the next after 5,000 km after 1500 hours of operation, or after 1,500 hours of operation, then once a then once a year year. 6.38 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 171 If the trailer is operated in se- vere conditions or is operated intensively, the maintenance activities should be performed more frequently. SER.3.E-015.01.EN 6.39 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 172: Brake Adjustment

    (1) and expander arm (3) should be about 90°. Machine wheels must brake simultaneously. Braking force decreases also when the operating angle of the brake cylinder rod (5) in relation to the 6.40 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 173 (7) Mo- unting position depends on the type of the braking system and size of the machine tires. It is selected by the manufacturer and cannot be changed. 6.41 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 174 6. Make a line (A) on the brake cylinder piston (1) original fixing position should to indicate the position of the maximum with- be marked. drawal of the brake cylinder piston rod when the trailer brakes are released. 6.42 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 175 12. Check if the brake cylinder vent holes are not blocked with impurities and that there is no water or ice inside the brake cylinder (pneu- matic cylinder). Check if the brake cylinder is 6.43 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 176 • Engage the brake several times. Stop the ma- chine and check the temperature of the brake drums. • If any of the drums is too hot, correct the brake adjustment and perform a trial run again. SER.3.E-017.01.EN 6.44 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 177: Emergency Release Of Diaphragm Actuator

    5. Tighten the nut until resistance is felt, 6. Repeat the above steps for other actuators. In order to return to actuator normal operation mode, undo nut (3) and take tensioning bolt (2) out of the 6.45 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 178 Chapter 6 - Periodic inspections and the technical support actuator. After completion of the activities, place the bolt together with other elements in the actuator holder (5). Secure the opening in the actuator body with a plastic nut. SER.3.E-018.01.EN 6.46 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 179: Lubrication

    Manufacturer. Table 6.5 Lubricants Item Symbol Description machine general-purpose grease (lithium, alkaline), Grease for heavily loaded elements with addition of MoS or graphite anticorrosion preparation in aerosol ordinary machine oil, silicon grease in aerosol 6.47 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 180 Chapter 6 - Periodic inspections and the technical support Table 6.6 Trailer lubrication schedule Item Name Hub bearings (2 bearings in each hub) Expander shaft sleeve Expander arm Stub axle pin Steering axle actuator bearings 6.48 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 181 Cylinder eye (3) Leaf spring (4) 667-6.06-1 Rocker arm pin (1) Leaf spring pin (2) 657-I.08-1 Parking brake mechanism (1) Parking brake guide roller pins (2) 667-6.07-1 Drawbar hitching eye (1) Steering cable (2) 667-6.06-1 6.49 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 182 Chapter 6 - Periodic inspections and the technical support Item Name Steering cable (1) Steering pin (2) Steering cylinder pin (3) 660-6.05-1 Tipping cylinder sockets and cy- linder sling 657-I.11-1 Parking stand 667-6.09-1 Drawbar pin (1) Cylinder eye (2) 667-6.10-1 6.50 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 183 Hinge for tipping the load box backwards 667-6.11-1 Tailgate cylinder bearings 657-I.16-1 PTO shaft * lubrication schedule according to the shaft instruction manual attached to the trailer 660-6.17-1 Chute guides (1) Chute link pins (2) 657-I.17-1 6.51 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 184 Chapter 6 - Periodic inspections and the technical support Item Name Support cylinder socket (1) Support pin (2) Support cylinder pin (3) 667-6.12-1 SER.3.E-019.01.EN 6.52 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 185: Electrical System Service And Warning Elements

    Check the completeness of lamps and all reflectors. • Check the correct installation of the triangular plate holder for slow moving vehicles. • Before travelling on a public road, make sure that the tractor has a reflective warning triangle. SER.3.8-027.01.EN 6.53 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 186: Consumables

    Table 6.7 Characteristics of oil L-HL 32 Item Name Unit Viscosity classification according to ISO 3448VG Kinematic viscosity at 400C 28.8 – 35.2 Qualitative classification according to ISO 6743/99 Quality classification according to DIN 51502 Flash-point 6.54 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 187: Lubricants

    Particularly important are safety rules and how to handle a given lubricant and how to dispose of waste (used containers, conta- minated rags, etc.). The information leaflet (product card) store together with the grease. SER.3.8-028.01.EN 6.55 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 188: Tyres

    600/55- R22,5 162E 175A8 20.00x22,5 ; ET=-40 600/55- R26,5 16PR 170A8 20.00x26,5 ; ET=-50 700/50- R26,5 16PR 174A8 24.00x26,5 ; ET=-80 710/45- R26,5 169A8 24.00x26,5 ; ET=-80 710/50- R26,5 170D 181A8 24.00x26,5 ; ET=-80 SER.3.E-020.01.EN 6.56 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 189: Troubleshooting

    Check and reduce cylinder load, if neces- Excessive cylinder loading sary. Check and make certain that hydraulic Damaged hydraulic lines lines are tight, not fractured and properly tightened. If necessary, replace or tighten. 6.57 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 190 Damaged rim Incorrect braking tech- Check brake system. Control braking tech- (hardening and nique. Too frequent violent nique. Damage occurs due to excessive cracking near rim), braking. Damaged brake heating of hub which leads to heating of brittleness of tyre. system. wheel. SER.3.B-010.01.EN 6.58 PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 191: Control Panel

    Chapter 7 Control panel PRONAR T8724 T8724/1 667N.01.UM.1A.EN...

  • Page 192: Wired Control

    If the trailer is equipped with hydraulic suspension enters the cabin elements. (option), the sensor (5) reads the position of the load PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 193 The panel power is turned on by pressing the ON \ OFF button (3). Turning on or off requires holding the button for 2 seconds. Activation of the button is signalled by the lighting of the diode (5). There is a communication 667N.01.UM.1A.EN PRONAR T8724 T8724/1...
  • Page 194 / off (hold 2s) raise the load box lower the load box open the tailgate close the tailgate rise hitch system lower hitch system open the side walls close the side walls turn on/off rear additional lighting STR.3.E-001.01.EN PRONAR T8724 T8724/1 667N.01.UM.1A.EN...
  • Page 195 Chapter 7 - Control panel 667N.01.UM.1A.EN PRONAR T8724 T8724/1...

  • Page 196: Attachments And Additional Materials

    ATTACHMENTS AND ADDITIONAL MATERIALS PRONAR T8724 PRONAR T8724/1 667.01.UM.1A.PL...

This manual is also suitable for:

T8724/1

Table of Contents