Hatz 4H50TIC Operator's Manual
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Hatz 4H50TIC Operator's Manual

Diesel engine
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Motorenfabrik Hatz GmbH & Co. KG
Ernst-Hatz-Str. 16
94099 Ruhstorf a.d. Rott
Deutschland
Tel. +49 8531 319-0
Fax +49 8531 319-418
marketing@hatz-diesel.de
www.hatz-diesel.com
CREATING POWER SOLUTIONS.
0 0 0 0 0 0 0 0 4 4 3 3 6 6 0 0 0 0 4 4 0 0 0 0 - - 0 0 7 7 . . 2 2 0 0 1 1 4 4 - - 0 0 . . 1 1
Printed in Germany
EN
CREATING POWER SOLUTIONS.
4H50TIC
OPERATOR'S MANUAL
Diesel engine
Hatz Diesel
www.HATZ-DIESEL.com

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  • Page 1 Motorenfabrik Hatz GmbH & Co. KG Ernst-Hatz-Str. 16 94099 Ruhstorf a.d. Rott Deutschland CREATING POWER SOLUTIONS. Tel. +49 8531 319-0 Fax +49 8531 319-418 marketing@hatz-diesel.de www.hatz-diesel.com 4H50TIC OPERATOR’S MANUAL Diesel engine Hatz Diesel 0 0 0 0 0 0 0 0 4 4 3 3 6 6 0 0 0 0 4 4 0 0 0 0 - - 0 0 7 7 . . 2 2 0 0 1 1 4 4 - - 0 0 . . 1 1 Printed in Germany CREATING POWER SOLUTIONS.

  • Page 2: Table Of Contents

    4H50TIC Table of contents Table of contents Notices ......................General information ..................Safety ....................... General information ..................3.1.1 Intended use and foreseeable misuse .............. 3.1.2 Machine user or machine manufacturer obligations ......... 3.1.3 Representation of safety notes ................. 3.1.4 Meaning of safety symbols ................10 Safety notes ......................
  • Page 3 Table of contents 4H50TIC 8.2.1 Maintenance plan ....................52 8.2.2 Checking the intake area of the combustion air ..........54 8.2.3 Checking the radiator fins for dirt accumulation ..........55 8.2.4 Checking the cooling system ................57 8.2.5 Changing the engine oil and oil filter ..............59 8.2.6...

  • Page 4: Notices

    4H50TIC Notices Notices Contact data © 2014 Motorenfabrik HATZ Ernst-Hatz-Straße 16 94099 Ruhstorf Germany Tel. +49 (0)8531 319-0 Fax +49 (0)8531 319-418 marketing@hatz-diesel.de www.hatz-diesel.com All rights reserved! Copyright The copyright for this Operator's Manual rests entirely with Motorenfabrik HATZ, Ruhstorf.

  • Page 5: General Information

    HATZ tools. The global HATZ service network is at your disposal to ad- vise you and supply you with spare parts. For the address of the Hatz serv- ice station nearest you, please see the directory enclosed or visit the inter- net at: www.hatz-diesel.com...

  • Page 6: Safety

    Any other use is not intended and therefore not permitted. Violations com- promise the safety of the personnel working with the machine. Responsibility is not accepted by Motorenfabrik HATZ for damage resulting from this situa- tion. The operational safety of the machine is only guaranteed if it is used as in- tended.

  • Page 7: Machine User Or Machine Manufacturer Obligations

    Machine manufacturer obligations If you have an engine that is not yet installed in a machine, it is imperative that you follow the Assembly Instructions for HATZ Diesel Engines be- fore installing the engine. These assembly instructions contain important in- formation on how to safely install the engine and are available at your near- est HATZ service station.

  • Page 8: Representation Of Safety Notes

    4H50TIC Safety Storing the Operator's Manual This Operator's Manual is an integral component of the machine (also when being sold). It must be stored in the direct vicinity of the machine and be ac- cessible to personnel at all times.

  • Page 9: Meaning Of Safety Symbols

    Safety 4H50TIC Danger symbol/ Meaning signal word This signal word, without a danger symbol, is CAUTION used to indicate the risk of property damage. This signal word indicates additional useful infor- NOTICE mation, such as operating tips and cross referen- ces.

  • Page 10: Safety Notes

    4H50TIC Safety Symbol Meaning Warning of heavy loads! Warning of environmental damage! Comply with the Operator's Manual or additional documenta- tion from other manufacturers or the user. Additional information that is useful to the reader. Safety notes 3.2.1 Operational safety...
  • Page 11 Safety 4H50TIC Using the machine ▪ Only operate the machine for the purposes described in the chapter 3.1.1 Intended use and foreseeable misuse, page 7. Compliance with other regulations ▪ Adhere to the applicable accident prevention regulations of the trade asso- ciations.
  • Page 12 The warning labels and information signs on the machine must be followed (see the chapter "Labels" 3.3 Labels, page 19). The warning labels and information signs must be kept legible and must be replaced if necessary. For this purpose, contact your nearest HATZ service station. Maintenance work...

  • Page 13: Machine-Specific Safety Instructions For Operation

    If you have an engine that is not yet installed in a machine, it is imperative that you follow the Assembly Instructions for HATZ Diesel Engines be- fore installing the engine. These assembly instructions contain important information on safe installa- tion.

  • Page 14: Machine-Specific Safety Instructions For Maintenance Work

    4H50TIC Safety Faults ▪ Immediately eliminate faults that compromise safety. ▪ Switch off the machine and do not take into service again until all faults have been eliminated. Safety instructions for operation DANGER Danger to life from inhaling exhaust gases.
  • Page 15 Maintenance work that goes beyond the scope described in this manual must only be performed by qualified technicians. We recommend that you work with one of the more than 500 HATZ service stations. Replacing parts ▪ When replacing defective components, we recommend that you use gen- uine HATZ original spare parts (see the chapter 2 General information, page 6).
  • Page 16 4H50TIC Safety WARNING Danger of injury from compressed air and dust particles. Eye injuries may occur when cleaning with compressed air. ▪ Wear safety goggles. CAUTION Danger of injury if maintenance instructions are not fol- lowed. ▪ Only perform maintenance when the engine is switched off.

  • Page 17: Electrical Equipment

    Safety 4H50TIC 3.2.4 Electrical equipment Safety notes DANGER Danger to life, danger of injury or danger of property dam- age due to incorrect use of batteries. ▪ Do not place tools on the battery. ▪ Before performing work on the electrical equipment, always disconnect the negative terminal of the battery.

  • Page 18: Labels

    ▪ We cannot be held liable for electrical equipment that is not designed according to HATZ wiring diagrams. ▪ Promptly replace faulty indicator lamps. ▪ Do not pull out the starting key during operation.

  • Page 19: Technical Data

    0.5 % of fuel consumption, pertaining to full load Engine oil pressure 2.5 bar to 4.5 bar Coolant quantity Approx. 12.5 (HATZ standard radiator with external expan- ltr. sion tank) 13.2 (HATZ OpenPowerUnit radiator with integrat- ed expansion tank) Sense of rotation...

  • Page 20: Engine Type Plate

    Exceeding these limit values can cause engine damage. Engine type plate EMISSION CONTROL INFORMATION MOTORENFABRIK HATZ GMBH KG ¬ D-94099 RUHSTORF www.hatz-diesel.com Model: 4H50TIC – 162J S/N: 1361014000001 Build: 03/2014 Power: 36.4kW @ 1800 RPM Constant Displ: 1.95L Eng.Fam: FHZXL1.95C50 Emission Control System: DDI, DOC, EGR, ECM, TC, CAC Power Category: 19≤kW<37...

  • Page 21: Engine Oil

    Technical data 4H50TIC Engine oil Oil quality All brand name oils that satisfy at least the following specification are suita- ble: Engines with catalytic converter or with catalytic converter and partic- ulate filter ▪ ACEA E6 "Low SAPS" (preferred) ▪ ACEA E9 ▪...

  • Page 22: Coolant

    Only use engine oil that fulfills the specifications stipulated above. Coolant Introduction Liquid-cooled engines require a coolant specified by HATZ for engine cool- ing. Coolant is prepared in accordance with manufacturer's instructions, please comply with the information on the packaging label.
  • Page 23 Technical data 4H50TIC CAUTION Danger of engine damage from radiator protection fluid. Use of a radiator protection fluid not approved by HATZ may cause engine damage. ▪ If you have any questions, please contact your nearest HATZ service station before commissioning the engine.
  • Page 24 Total Glacelf Auto Supra Valvoline Zerex G 30, Zerex G 40-91 NOTICE Prior approval from HATZ is needed when none of these radia- tor protection fluids is available or an own-product radiator pro- tection fluid is to be used. HATZ...

  • Page 25: Fuel

    Technical data 4H50TIC Preparation of the coolant CAUTION Danger of engine damage from incorrect radiator protection fluid concentration. A too low radiator protection fluid concentration increases the risk of corrosion and also the risk of the cooling system freezing. A radiator protection fluid proportion of over 50 vol% degrades the cooling action and also the protection against frost is re- duced.
  • Page 26 The use of fuel that does not meet the specifications can lead to engine damage. ▪ Only use fuel that is very low in sulfur or that contains no sulfur at all. ▪ The use of fuel that does not meet specifications requires approval by Motorenfabrik HATZ (main plant). HATZ Operator's Manual...

  • Page 27: Engine Design

    Engine design 4H50TIC Engine design Overview Intake side HATZ Operator's Manual...
  • Page 28 4H50TIC Engine design Intake opening for combustion air Rain cap Air filter (optional) Dust discharge valve Lifting eyes Oil filter Fuel fine filter Side oil drain screw Starter (low mounting position) Electric fuel pump Drain plug on fuel prefilter Fuel prefilter...
  • Page 29 Engine design 4H50TIC Exhaust side Expansion tank for coolant Oil filler plug, top Turbocharger Oxidation catalytic converter Exhaust outlet Starter (high mounting position) Oil drain screw, front Poly v belt Cooler HATZ Operator's Manual...

  • Page 30: Transport, Assembly And Commissioning

    4H50TIC Transport, assembly and commissioning Transport, assembly and commissioning Transport - Engine with 2 lifting eyes Safety notes WARNING Danger of injury from improper lifting and transport. Danger of crushing from falling or tipping of the engine. ▪ Only use the lifting eye already mounted on the machine for lifting.

  • Page 31: Assembly Instructions

    Lifting point Transport conditions ▪ Two lifting eyes (1) are used on engines with a HATZ standard radiator. Ensure that the load on the lifting eyes is always vertical. ▪ The lifting eyes deform when they are overloaded. If this happens, the lift- ing eyes must be replaced and if necessary additional lifting points must be used.

  • Page 32: Preparations For Commissioning

    ▪ After the engine is installed in the machine, rotating parts must be protect- ed against contact. HATZ safety equipment is available for the belt drive of the cooling fan and alternator. ▪ Comply with all notice and warning labels on the engine and keep them in a legible condition.
  • Page 33 Transport, assembly and commissioning 4H50TIC Safety note CAUTION Danger of later engine damage. ▪ Operating the engine with an oil level below the min. mark or above the max. mark can lead to engine damage. ▪ When checking the oil level, the engine must be horizontal and have been switched off for a few minutes.

  • Page 34: Filling The Cooling System

    4H50TIC Transport, assembly and commissioning Step Activity Depending on accessibility, unscrew oil filler plug (2) or (4). Fill engine oil. For the specification, viscosity and filling quantity, see the chapter 4.3 Engine oil, page 22. Reinsert the dipstick. Pull out the dipstick and check the oil level.
  • Page 35 Procedure Step Activity Open the sealing cap (2). For the HATZ standard radiator: Top up coolant to the MAX mark on the expansion tank. For the HATZ OpenPowerUnit radiator: Top up coolant to the edge of the pipe cut-out. Preparation of the coolant, see the chapter 4.4 Coolant, page 23.
  • Page 36 4H50TIC Transport, assembly and commissioning Step Activity Check the cooling system for leaks, retighten the hose clips if necessary (see the chapter 8.2.4 Checking the cooling system, page 57). HATZ Operator's Manual...

  • Page 37: Operation And Use

    Operation and use 4H50TIC Operation and use Safety notes NOTICE Comply with the safety chapter! Follow the basic safety instructions in the chapter 3 Safety, page 7. WARNING Danger of injury from damage and defects on the machine. ▪ Do not take the machine into service if damage has been lo- calized and identified.

  • Page 38: Starting The Engine

    4H50TIC Operation and use Procedure Step Test The machine is standing securely and on a level surface. The installation location is adequately ventilated. There is a sufficient amount of fuel in the fuel tank (see the chap- ter 7.7 Refueling, page 49).
  • Page 39 Operation and use 4H50TIC NOTICE See also starting instructions in the documentation for the com- plete machine. Overview — HATZ instrument boxes Pos. Designation Error diagnosis display Service interval indicator Button for error interrogation Protective cap Starting key Pre glow display...
  • Page 40 4H50TIC Operation and use Procedure NOTICE ▪ After approx. 20 seconds the start procedure cuts off auto- matically to protect the starter. If the engine is still not run- ning after that, turn the starting key back to position "0" and eliminate the cause (see the chapter 9.1 Fault table,...

  • Page 41: Starting The Engine For The First Time/After A Filter Change

    The use of engine damage from the use of starting fluid can lead to uncontrolled ignition. ▪ Engine damage from uncontrolled ignitions. ▪ Never use starting fluid. NOTICE See also starting instructions in the documentation for the com- plete machine. Overview — HATZ instrument boxes HATZ Operator's Manual...
  • Page 42 4H50TIC Operation and use Pos. Designation Error diagnosis display Service interval indicator Button for error interrogation Protective cap Starting key Pre glow display Air filter service required Engine temperature display Oil pressure display Charge control Operating display Ignition lock Operation...
  • Page 43 Operation and use 4H50TIC Step Activity Insert the starting key all the way and turn to position "I". Depending on the model, the following indicators light up: ▪ Charge control (10) ▪ Oil pressure display (9) ▪ Pre glow display (6) NOTE: If the optional engine temperature display (8) lights up, the coolant temperature is impermissibly high.

  • Page 44: Switching Off The Engine

    4H50TIC Operation and use Switching off the engine Safety notes CAUTION Danger of injury from unauthorized access. There is a danger of injury if unauthorized persons handle the machine. ▪ Protect the starting key against unauthorized access during breaks in operation or after completing work.
  • Page 45 Operation and use 4H50TIC Overview — HATZ instrument boxes Pos. Designation Starting key Protective cap Ignition lock Operation Procedure Step Activity Turn the starting key (1) to position "0". The engine switches off. All indicator lamps go out. Remove the starting key.

  • Page 46: Checking The Oil Level And Adding Oil If Necessary

    4H50TIC Operation and use Checking the oil level and adding oil if necessary Safety notes CAUTION Danger of burns. There is a danger of burns when working on a hot engine. ▪ Wear safety gloves. CAUTION Danger of later engine damage.
  • Page 47 Operation and use 4H50TIC Overview Dipstick Oil filler plug, top Oil refilling container Oil filler plug, bottom Procedure — Checking oil level/adding oil Step Activity Switch off the engine and wait several minutes for the engine oil to collect in the crank housing. Engine must be level.

  • Page 48: Refueling

    4H50TIC Operation and use Step Activity If the oil level is close to the min. mark, add engine oil to the max. mark. For the specification and viscosity, see the chapter 4.3 Engine oil, page 22. Reinsert the dipstick. Refueling This diesel engine is intended for installation in a machine or for assembly with other machines to form a machine and does not have its own fuel tank.
  • Page 49 The use of fuel that does not meet the specifications can lead to engine damage. ▪ Only use the fuel specified in the chapter 4.5 Fuel, page 26. ▪ The use of fuel that does not meet specifications requires approval by Motorenfabrik HATZ (main plant). HATZ Operator's Manual...

  • Page 50: Maintenance

    ▪ Problems may occur if unsuitable spare parts are installed. We cannot ac- cept responsibility for damage and secondary damage that result from this. We therefore recommend the use of Hatz original spare parts. ▪ Closely adhere to the maintenance conditions prescribed in this Operator's Manual.

  • Page 51: Maintenance Work

    ▪ After the necessary maintenance and repair work is completed, perform a function test (test run). ▪ For maintenance work that is not listed and described in the maintenance documentation, please contact your nearest HATZ service station. Maintenance work Safety note...
  • Page 52 4H50TIC Maintenance Symbol Maintenance in- Maintenance activity/Check Chapter terval Check the radiator fins for dirt 8.2.3 Checking accumulation. the radiator fins for dirt accumula- tion, page 55 Checking the cooling system 8.2.4 Checking the cooling sys- tem, page 57 Every 500 operat- Change the engine oil and oil 8.2.5 Changing...

  • Page 53: Checking The Intake Area Of The Combustion Air

    Maintenance 4H50TIC Symbol Maintenance in- Maintenance activity/Check Chapter terval If necessary, ev- Replacing the poly v belts 8.2.8 Replacing ery 3000 operat- the poly v belts, ing hours at the page 69 latest Every 4000 oper- Clean the entire EGR section...

  • Page 54: Checking The Radiator Fins For Dirt Accumulation

    4H50TIC Maintenance Overview (HATZ air filter) Intake opening for combustion air Dust discharge valve Procedure Step Activity Check the intake opening (1) for coarse contamination such as leaves, heavy dust deposits, etc., and clean if necessary. Check that the dust discharge valve (2) is clear. Remove dust seals by pressing them together.
  • Page 55 Maintenance 4H50TIC CAUTION Danger of injury. When working with compressed air, foreign bodies may fly into your eyes. ▪ Wear safety goggles. ▪ Never direct the compressed air jet toward people or toward yourself. CAUTION Danger of engine damage from overheating.

  • Page 56: Checking The Cooling System

    4H50TIC Maintenance Procedure Step Activity Check the radiator fins (1) for coarse contamination such as leaves, heavy dust deposits, etc., and clean if necessary (see the chapter 8.2.6 Cleaning the radiator fins, page 64). 8.2.4 Checking the cooling system Safety notes...
  • Page 57 Maintenance 4H50TIC CAUTION Danger of later engine damage. ▪ Operating the engine with a coolant level below the MIN. mark can lead to engine damage. ▪ When checking the coolant level, the engine must be hori- zontal and be switched off.

  • Page 58: Changing The Engine Oil And Oil Filter

    Activity Check the cooling system for leaks and rectify the cause imme- diately - in case of doubt consult HATZ Service for advice. When hose connections are loose, retighten the hose clips (1). 8.2.5 Changing the engine oil and oil filter...
  • Page 59 Maintenance 4H50TIC CAUTION Danger of environmental damage from spilled used oil. Used oil is water-polluting. ▪ Do no allow it to enter the ground water, water bodies, or sewage system. ▪ Collect the used oil and dispose of it according to local envi- ronmental regulations.
  • Page 60 4H50TIC Maintenance Procedure Step Activity Depending on accessibility, the engine oil can be drained at oil drain screw (1) or (2). Unscrew the oil drain screw and drain the used oil entirely. Screw in the cleaned oil drain screw with the new gasket (3) and tighten.
  • Page 61 Maintenance 4H50TIC Overview of changing the oil filter (vertical installation) Oil filter Collar on the oil filter Shaped element Sealing surface Gasket Guard ring Procedure Step Activity Loosen the oil filter (1) with a strap wrench or similar and un- screw it until the collar (2) of the oil filter is at the same level as the shaped element (3).
  • Page 62 4H50TIC Maintenance Step Activity Dispose of the old filter in accordance with local environmental regulations. Thoroughly clean the shaped element (3) and sealing surface (4). Lightly oil the sealing lip (5) of the new oil filter. Screw in the oil filter and tighten it by hand.

  • Page 63: Cleaning The Radiator Fins

    Maintenance 4H50TIC Procedure Step Activity Pull out the dipstick (1) and clean it. Depending on accessibility, unscrew oil filler plug (2) or (4). Fill engine oil. For the specification, viscosity and filling quantity, see the chapter 4.3 Engine oil, page 22.
  • Page 64 4H50TIC Maintenance DANGER Fire hazard from spontaneous combustion. Cleaning materials soaked with cold cleaner may produce heat together with atmospheric oxygen and combust spontaneously. ▪ Collect cleaning materials soaked with cold cleaner only in fire-proof, tightly sealed containers. ▪ Do not dispose of cold cleaner residues and used cleaning materials with domestic waste, rather only in accordance with manufacturer instructions.
  • Page 65 Maintenance 4H50TIC CAUTION Damage to the radiator fins through improper cleaning. ▪ Never spray the radiator fins with a high pressure jet. ▪ Never clean the radiator fins with a tool such as a spatula or screwdriver. A reduction in radiator performance through bent radiator fins or radiator leaks may be the result.

  • Page 66: Tensioning The Poly V Belt

    4H50TIC Maintenance Step Activity Spray the entire area with a suitable cold cleaner according to the manufacturer's instructions and then clean off with a water jet. Work first against the direction of flow of the cooling air and then in the direction of flow.
  • Page 67 Maintenance 4H50TIC Overview Alternator mounting bolt Bracket Belt tensioner Hex nut Clamping claw Torque wrench with dial gage display Measurement point for frequency measurement Procedure Step Activity Check the poly v belt for wear. Do not retension a worn poly v belt, but immediately replace it.

  • Page 68: Replacing The Poly V Belts

    4H50TIC Maintenance Step Activity Loosen the alternator mounting bolt (1) one or two revolutions. Position the belt tensioner (3) with the guiding groove on the bracket (2). Feed in the hexagon nut (4) of the mounting bolt into the clamp- ing claw (5).
  • Page 69 Maintenance 4H50TIC Overview Connecting screws, protective guard halves (top and bottom) Fixing screw, protective guard (top and bottom) Protective guard (left half) Alternator mounting bolt Poly v belt Fan blade Procedure Step Activity Disassemble the left half of the protective guard (3) by unscrew- ing the screws (1) and (2) (at the top and bottom).

  • Page 70: Changing The Oil Separator Of The Crankcase Ventilation

    4H50TIC Maintenance 8.2.9 Changing the oil separator of the crankcase ventilation Safety note CAUTION Danger of burns. There is a danger of burns when working on a hot engine. ▪ Let the engine cool before maintenance. Overview Mounting bolts (captive)

  • Page 71: Checking The Screw Connections

    Maintenance 4H50TIC 8.2.10 Checking the screw connections Safety note NOTICE ▪ Only retighten loose screw connections. Screw connections can be secured with thread locking ad- hesive or tightened to a defined torque. Retightening tight screw connections can cause damage. ▪...

  • Page 72: Draining The Water Separator

    4H50TIC Maintenance 8.2.11 Draining the water separator Safety note CAUTION Danger of environmental damage from spilled fuel. When water is drained from the water separator, a small amount of fuel is drained as well. ▪ Catch the emerging water-fuel mixture and dispose of it in an environmentally compatible manner.

  • Page 73: Changing The Fuel Prefilter

    Maintenance 4H50TIC Step Activity Open the drain screw (2) and drain the water into the container. If not enough liquid escapes, undo additional bleed screw (1). NOTE: If the fuel tank lies lower than the fuel prefilter, the fuel feed line must be clamped off with a hose clip (5). Otherwise fuel runs back into the fuel tank after the drain plug has been unscrewed.
  • Page 74 4H50TIC Maintenance CAUTION Danger of injury Repeated contact with diesel fuel can cause chapped and cracked skin. ▪ Wear safety gloves. CAUTION Danger of environmental damage from spilled fuel. When the filter is removed, a small amount of fuel is drained as well.
  • Page 75 Maintenance 4H50TIC Water level sensor cable Procedure Step Activity Block the fuel feed line (1) between the fuel tank and fuel prefil- ter. Place a suitable container under the filter to collect emerging fuel. Disconnect the water level sensor cable (4) from the drain plug (3).

  • Page 76: Changing The Fuel Fine Filter

    4H50TIC Maintenance 8.2.13 Changing the fuel fine filter Safety notes DANGER Fire hazard from fuel Leaked or spilled fuel can ignite on hot engine parts and cause serious burn injuries. ▪ Do not spill fuel. ▪ No open flames when working on the fuel system.
  • Page 77 Maintenance 4H50TIC CAUTION Danger of injury Repeated contact with diesel fuel can cause chapped and cracked skin. ▪ Wear safety gloves. CAUTION Danger of environmental damage from spilled fuel. When the filter is removed, a small amount of fuel is drained as well.
  • Page 78 4H50TIC Maintenance Bleed screw (not open!) Fuel feed line Fuel fine filter Hose clip Strap wrench Procedure Step Activity Block the fuel feed line (2) using the hose clip (4). Place a suitable container under the filter to collect emerging fuel.

  • Page 79: Servicing The Air Filter (Optional)

    Maintenance 4H50TIC 8.2.14 Servicing the air filter (optional) Safety notes CAUTION Danger of injury. When working with compressed air, foreign bodies may fly into your eyes. ▪ Wear safety goggles. ▪ Never direct the compressed air jet toward people or toward yourself.
  • Page 80 4H50TIC Maintenance Air filter housing Retaining clips Air filter cover Dust discharge valve Secondary filter Primary filter Air gun with extension tube (tip bent) Lamp Sealing surfaces Replacing the primary/secondary filters Step Activity Open the retaining clips (2) and remove the air filter cover (3).

  • Page 81: Changing Coolant

    Maintenance 4H50TIC Step Activity Place the air filter cover on the air filter housing and lock all re- taining clips making sure that the dust discharge valve points vertically downwards. Cleaning the primary filter Step Activity Blow out the primary filter (6) with dry compressed air from the inside to the outside until dust no longer emerges.
  • Page 82 4H50TIC Maintenance CAUTION Danger of environmental damage from spilled coolant. Coolant is water-polluting. ▪ Do no allow it to enter the ground water, water bodies, or sewage system. ▪ Collect coolant and dispose of it in an environmentally com- patible manner.
  • Page 83 Step Activity Position a suitable container to collect the used coolant (approx. 12.5 liters for the Hatz standard radiator or 13.2 liters for the HATZ OpenPowerUnit radiator). Open the sealing cap (2) of the expansion tank (1). Unscrew the drain plug (5) and drain the coolant into the con- tainer.
  • Page 84 4H50TIC Maintenance Step Activity Filling the cooling system (see the chapter 6.5 Filling the cooling system, page 35). HATZ Operator's Manual...

  • Page 85: Faults

    Faults 4H50TIC Faults Fault table General troubleshooting notes If the cases listed below have been worked through but the fault continues to persist, please contact your nearest Hatz service station. Type of fault Possible causes Remedy Chapter The engine does No fuel at the high Refuel.
  • Page 86 4H50TIC Faults Type of fault Possible causes Remedy Chapter Fuel gelled due to Check whether the 4.5 Fuel, insufficient cold re- fuel that emerges page 26 sistance. from the fuel feed 8.2.12 line directly in front Changing of the high pres-...
  • Page 87 18 ▪ Battery and/or Contact Hatz serv- other cable con- ice. nections are in- correctly con- nected. ▪ Cable connec- tions are loose and/or oxidized.
  • Page 88 74 ▪ Check radiator temperature. 8.2.13 fins and clean if ▪ Excess charge Changing needed. air temperature. the fuel fine ▪ Contact Hatz filter, ▪ Faulty three service. page 77 phase alternator. 8.2.4 Checking the cooling system, page 57 8.2.6 Clean-...
  • Page 89 Poly v belt torn. Renew the poly v 8.2.8 Re- belt. placing the poly v belts, page 69 Mechanical faults. Contact Hatz serv- ice. Engine switches off Stop signal of mon- ▪ Check the oil lev- 7.6 Check- by the automatic itoring elements ing the oil electrical switch-off.
  • Page 90 Check the electri- 3.2.4 Elec- electrical equip- cal equipment and trical equip- ment, such as: its components, ment, contact Hatz serv- page 18 ▪ Loose contacts ice if necessary. on cable connec- tions. ▪ Faulty three phase alternator. ▪ Faulty relay.
  • Page 91 8.2.4 guides. radiator is not Checking hindered. the cooling ▪ Radiator fins system, dirty, or radiator ▪ Contact Hatz page 57 blocked. service. ▪ Thermostat or water pump faul- Combined indicator Various errors in Use the flash code on instrument box...
  • Page 92 4H50TIC Faults Flash signal Possible causes Remedy Chapter Short – Long 1 – 3 ▪ Air filter is dirty. ▪ Service the air fil- 8.2.14 Serv- Area affected: icing the air ▪ Charge air after Air supply filter (option- charge air cooler ▪...
  • Page 93 Faults 4H50TIC Flash signal Possible causes Remedy Chapter Short – Long 2 – 3 ▪ Engine oil pres- ▪ Check the oil lev- 7.6 Check- Area affected: sure too high/too el, top up engine ing the oil Engine oil tempera- low.

  • Page 94: Storage And Disposal

    The machine can normally be stored for up to 1 year. The protection lasts up to approx. 6 months at very high humidity and with sea air. If the storage time is longer, please contact the nearest Hatz service. 10.2 Disposing of the machine Disposal information...
  • Page 95 Storage and disposal 4H50TIC NOTICE When the machine has reached the end of its lifecycle, ensure that it is disposed of safely and properly, especially parts and substances that can be dangerous to the environment. These al- so include fuel, coolant, lubricants, plastics, and batteries (if present).

  • Page 96: Installation Declaration

    4H50TIC Installation declaration Installation declaration HATZ Operator's Manual...

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