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Hatz 1B20 Manual

Diesel engine
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CREATING POWER SOLUTIONS.
1B20 | 1B30 | 1B40 | 1B50
MANUAL
for diesel engine
Hatz Diesel
www.hatz-diesel.com

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  • Page 1 CREATING POWER SOLUTIONS. 1B20 | 1B30 | 1B40 | 1B50 MANUAL for diesel engine Hatz Diesel www.hatz-diesel.com...

  • Page 3: Table Of Contents

    1B20, 1B30, 1B40, 1B50 Table of contents Table of contents Notices .........................  5 General information ....................  6 Safety ........................ 7 General information ...................... 7 3.1.1 Intended use and foreseeable misuse.................  7 3.1.2 Machine user or machine manufacturer obligations ............ 8 3.1.3...
  • Page 4 Table of contents 1B20, 1B30, 1B40, 1B50 Refueling.......................... 51 Checking the water separator....................  53 Check the air filter warning indicator (option) .............. 55 Maintenance ......................  56 General maintenance instructions .................. 56 Maintenance work...................... 57 8.2.1 Maintenance notice label .................... 57 8.2.2...

  • Page 5: Notices

    All rights reserved! Copyright The copyright for this manual rests entirely with Motorenfabrik HATZ, Ruh- storf. This manual may only be copied or distributed if written approval has been received. This also applies to the copying or distribution of excerpts of this manual.

  • Page 6: 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 ser- vice station nearest you, please see the enclosed spare parts list or visit us in the Internet at: www.hatz-diesel.com...

  • Page 7: Safety

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

  • Page 8: 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 9: Representation Of Safety Notes

    1B20, 1B30, 1B40, 1B50 Safety Obligations of the operating and maintenance personnel Personnel assigned with operating and maintaining the machine must have read and understood this manual or must possess the qualifications neces- sary for working with this equipment, acquired in training/instructional cour- ses.

  • Page 10: Meaning Of Safety Symbols

    Safety 1B20, 1B30, 1B40, 1B50 Signal words Signal words identify the magnitude of the risk and the seriousness of the possible injuries: Danger symbol/ Meaning signal word This signal word is used to indicate imminently DANGER dangerous situations which, if not avoided, will lead to serious injury or death.
  • Page 11 1B20, 1B30, 1B40, 1B50 Safety Symbol Meaning Warning of explosive substances! Warning of toxic engine exhaust! Warning of corrosive substances! Warning of heavy loads! Warning of environmental damage! Comply with this manual or additional documentation from other manufacturers or the carrier.

  • Page 12: Safety Notes

    Safety 1B20, 1B30, 1B40, 1B50 Safety notes 3.2.1 Operational safety Introduction This chapter contains all of the important safety instructions for personal pro- tection and for safe and reliable operation. Additional, task-related safety in- structions can be found at the beginning of each chapter.
  • Page 13 The warning labels and information signs on the machine must be followed (see chapter "Labels" 3.3 Labels, page 20). 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 14 Safety 1B20, 1B30, 1B40, 1B50 Safety equipment Safety equipment must not be modified and must not be rendered ineffective during normal operation. General safety instructions DANGER Danger to life and danger of injury due to failure to follow the warnings on the machine and in this manual.

  • Page 15: 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 16: Machine-Specific Safety Instructions For Maintenance Work

    Safety 1B20, 1B30, 1B40, 1B50 DANGER Danger of fire from hot exhaust gas system. If inflammable materials come into contact with the exhaust gas flow or the hot exhaust gas system, these materials can ignite. ▪ Keep inflammable materials away from the exhaust gas sys- tem.
  • Page 17 Replacing parts ▪ When replacing defective components, we recommend that you use gen- uine HATZ original spare parts (see chapter 2 General information, page ▪ When disposing of parts that can no longer be used, do so in accordance with local environmental regulations or send them to a recycling center.

  • Page 18: Electrical Equipment

    Safety 1B20, 1B30, 1B40, 1B50 CAUTION Danger of injury if maintenance instructions are not fol- lowed. ▪ Only perform maintenance when the engine is switched off. ▪ Protect start-up devices (crank handle, recoil start or start- ing key) from unauthorized access.
  • Page 19 NOTICE ▪ 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. ▪ Do not disconnect the battery while the machine is running. Resulting volt- age peaks could destroy the electronic components.

  • Page 20: Labels

    Safety 1B20, 1B30, 1B40, 1B50 Labels Warning labels and information signs on the engine Label Meaning Maintenance instructions (see chap- 1B20: 0,20mm 1B27: 0,10mm 1B30: 0,10mm 1B40: 0,10mm 1B50: 0,10mm ter 8.2 Maintenance work, page 57 0000 051 104 06...
  • Page 21 1B20, 1B30, 1B40, 1B50 Safety Label Meaning Speed adjustment with connecting rod (additional equipment) Refuel with diesel fuel only. For the specification, see chapter 4.5 Fuel, page 26. Changing the fuel filter (see chapter 8.2.11 Changing the fuel filter, page 79)

  • Page 22: Technical Data

    Technical data 1B20, 1B30, 1B40, 1B50 Technical data Engine information and filling quantities Type 1B20 1B30 1B40 1B50 Type Air-cooled, four stroke diesel engine Combustion system Direct injection Number of cylinders Bore/Stroke 69 / 65 80 / 69 88 / 76...

  • Page 23: Engine Type Plate

    1B20, 1B30, 1B40, 1B50 Technical data Engine specifications Model Description for rammer operation (1B20R only) normal counter balance (1B40T and 1B50T only) additional counter balance (1B40U and 1B50U only) Screw tightening torque Designation Oil drain screw Engine type plate EMISSION CONTROL INFORMATION...

  • Page 24: Physical Operating Conditions

    Technical data 1B20, 1B30, 1B40, 1B50 Engine family designation or exception code (EM) or transition code (TM) according to regulation (EU) 2016/1628 Additional specifications according to Regulation 2017/656 (excep- tions) or "Separate shipment information" Code for type plate variant Barcode (engine serial number)

  • Page 25: Engine Oil

    1B20, 1B30, 1B40, 1B50 Technical data Engine oil Oil quality All oil brands that meet at least one of the following specifications are suit- able: ▪ ACEA – B3 / E4 or better ▪ API – CF / CH-4 or better If engine oils of a low quality standard are used, the oil change interval must be reduced to 150 operating hours.

  • Page 26: Fuel

    ▪ The use of fuel that does not meet specifications requires approval by Motorenfabrik HATZ (main plant). CAUTION Danger of malfunctions due to old fuel. When diesel fuel is stored in a fuel tank or canister for lengthy periods, deposits may form on account of fuel aging.

  • Page 27: Engine Design

    1B20, 1B30, 1B40, 1B50 Engine design Engine design Overview Type plate Cylinder head cover Silencer with contact protection Exhaust manifold with exhaust screen Oil pressure switch Starter Voltage regulator Crankshaft – power take-off (pto) Oil drain screw Speed control lever...
  • Page 28 Engine design 1B20, 1B30, 1B40, 1B50 Recoil start Stop pin (option) Dry air filter Lifting eye Fuel cap Sound protection hood Only in model with electrical equipment. The engine can optionally be supplied with an external instrument box. Manual HATZ...

  • Page 29: Transport, Assembly And Commissioning

    1B20, 1B30, 1B40, 1B50 Transport, assembly and commissioning Transport, assembly and commissioning Transport Safety notes WARNING Danger of injury from improper lifting and transport. Danger of crushing from the engine falling or tipping. ▪ Only use the lifting eye already mounted on the machine for lifting.
  • Page 30 ▪ Only transport the machine when it is switched off and has cooled down. ▪ If you have questions on transporting the machine, please contact your nearest HATZ service station. For contact data, see chapter 1 Impres- sum, page 5 or www.hatz-diesel.com.

  • Page 31: Installation Notes

    ▪ After the engine is installed in the machine, rotating parts must be pro- tected against contact. HATZ safety equipment is available for the belt drive of the cooling fan and alternator. ▪ Comply with all notices and warning labels on the engine and keep them in a legible condition.

  • Page 32: Preparations For Commissioning

    Transport, assembly and commissioning 1B20, 1B30, 1B40, 1B50 Preparations for commissioning ▪ Check the delivered parts for completeness, damage, and other noticeable issues. ▪ Ensure that the setup location is adequately ventilated. DANGER Danger to life from inhaling exhaust gases.
  • Page 33 1B20, 1B30, 1B40, 1B50 Transport, assembly and commissioning Overview Dipstick Oil refilling container Procedure Step Activity Unscrew the dipstick (1) and clean it. Fill engine oil. For the specification and viscosity, see chapter 4.4 Engine oil, page 25. See chapter 4.1 Engine information and filling quantities, page 22 for the engine oil capacity.

  • Page 34: Filling The Oil Bath Air Filter (Option)

    Transport, assembly and commissioning 1B20, 1B30, 1B40, 1B50 Filling the oil bath air filter (option) Overview Clamp fastener (2x opposing) Oil container Filter insert Gasket Level mark Procedure Step Activity Release the clamp fasteners (1). Remove the oil container (2).

  • Page 35: Operation And Use

    1B20, 1B30, 1B40, 1B50 Operation and use Operation and use Safety notes NOTICE Comply with the safety chapter! Follow the basic safety instructions in chapter 3 Safety, page 7. WARNING Danger of injury from damage and defects on the machine.

  • Page 36: Performing Tests

    Operation and use 1B20, 1B30, 1B40, 1B50 Max. permissible forces on the speed control lever and stop pin F < 15 N STOP < 30 N < 76.5° STOP START Performing tests Before starting Before starting the engine, several tests need to be performed to ensure the machine is working properly.

  • Page 37: Setting The Speed Control

    1B20, 1B30, 1B40, 1B50 Operation and use Setting the speed control Safety note CAUTION Damage to the diesel engine due to inadequate lubrication. ▪ After the engine has been out of use for an extended period (approx. 6 months or longer) or when the engine is first taken into service, operate the engine at a low set speed and without a load for approx.

  • Page 38: Starting The Engine

    Operation and use 1B20, 1B30, 1B40, 1B50 Starting the engine Starting options A hand start mechanism is standard equipment for the engine. A starter can be installed as an option. If possible, separate the engine from the machine being driven by uncou- pling it.

  • Page 39: Starting The Engine With Recoil Start (Up To -6 °C)

    1B20, 1B30, 1B40, 1B50 Operation and use 7.4.1 Starting the engine with recoil start (up to -6 °C) Overview Grip Recoil start cover Diagram of starting procedure Procedure Step Activity Check the speed adjustment (see chapter 7.3 Setting the speed control, page 37).

  • Page 40: Starting The Engine With A Starter

    Operation and use 1B20, 1B30, 1B40, 1B50 NOTICE When the exhaust emits white smoke after several failed start procedures: ▪ Move the speed controller lever to the "Stop" position. ▪ Pull the starting rope all the way out five times.
  • Page 41 Engine oil pressure too low. Danger of engine damage. Stop the engine immediately and check the oil level (see section 7.6 Check the oil level, page 48). Contact the HATZ service if the oil level is correct. Engine temperature indicator Engine temperature is impermissibly high.
  • Page 42 Operation and use 1B20, 1B30, 1B40, 1B50 Symbol Meaning Pre glow indicator Lights at temperatures below 0 °C. Start the engine when the in- dicator has gone out. Overview – Fuel shut-off valve (option) Fuel shut-off valve Functional description When the starting key is moved to position I, the fuel shut-off valve (1) is electrically unlocked.
  • Page 43 1B20, 1B30, 1B40, 1B50 Operation and use Step Activity Check the speed adjustment (see chapter 7.3 Setting the speed control, page 37). Remove the protective cap (1) from the ignition lock. Insert the starting key all the way and turn to position "I".

  • Page 44: Switching Off The Engine

    Operation and use 1B20, 1B30, 1B40, 1B50 Step Activity Set the starting key to position "0". Turn the starting key back to position "I". The fault display lights up again. Remedy the fault before making further starting attempts (see chapter 9.1 Troubleshooting, page 87).
  • Page 45 1B20, 1B30, 1B40, 1B50 Operation and use Overview Speed control lever Stop pin (additional equipment) Connecting rod (additional equipment) Procedure Step Activity Speed control lever Push the speed control lever (1) all the way to the "STOP" po- sition. The engine switches off.

  • Page 46: Switching Off The Engine (Electrical)

    Operation and use 1B20, 1B30, 1B40, 1B50 NOTICE After it is switched off, the engine continues running for a few seconds. Before performing any further activities, wait until all moving components have come to a complete standstill. 7.5.2 Switching off the engine (electrical) Overview —...
  • Page 47 1B20, 1B30, 1B40, 1B50 Operation and use Fuel shut-off valve Protective cap Starting key Fuel shut-off valve Ignition lock Operation Procedure Step Activity Turn the starting key (2) to position "0". ▪ The fuel shut-off valve shuts off the fuel supply to the injection pump.

  • Page 48: Check The Oil Level

    Operation and use 1B20, 1B30, 1B40, 1B50 Check the oil level Safety notes CAUTION Danger of burns. There is a danger of burns when working on a hot engine. ▪ Wear safety gloves. CAUTION Danger of injury Prolonged contact with engine oil can lead to irritation of the skin.

  • Page 49: Engine Oil Level

    1B20, 1B30, 1B40, 1B50 Operation and use 7.6.1 Engine oil level Overview Dipstick Oil refilling container Procedure Step Activity Switch off the engine and wait several minutes for the engine oil to collect in the crankcase. Engine must be level.

  • Page 50: Oil Level In The Oil Bath Filter (Option)

    Operation and use 1B20, 1B30, 1B40, 1B50 7.6.2 Oil level in the oil bath filter (option) Overview Clamp fastener (2x opposing) Oil container Filter insert Gasket Level mark Procedure Step Activity Release the clamp fasteners (1). Remove the oil container (2).

  • Page 51: Refueling

    The use of fuel that does not meet the specifications can lead to engine damage. ▪ Only use the fuel specified in chapter 4.5 Fuel, page 26. ▪ The use of fuel that does not meet specifications requires approval by Motorenfabrik HATZ (main plant). HATZ Manual...
  • Page 52 Operation and use 1B20, 1B30, 1B40, 1B50 Overview Fuel cap Fuel tank Procedure Step Activity Figure Open the fuel cap. Fill the fuel tank with diesel fuel. Manual HATZ...

  • Page 53: Checking The Water Separator

    1B20, 1B30, 1B40, 1B50 Operation and use Step Activity Figure Close the fuel cap. NOTICE ▪ Before starting for the first time or if the fuel system is empty, fill the fuel tank fully with diesel fuel. This causes the fuel system to be bled automatically.
  • Page 54 Operation and use 1B20, 1B30, 1B40, 1B50 Overview Water in the fuel tank collects at the lowest point of the fuel tank in the water separator. Standard Model with window Drain screw, hex (standard) Window (additional equipment) Drain screw (manually operated)

  • Page 55: Check The Air Filter Warning Indicator (Option)

    1B20, 1B30, 1B40, 1B50 Operation and use Check the air filter warning indicator (option) Overview Rubber bellow Green field Procedure Step Activity Bring the engine briefly to maximum speed. When the rubber bellow (1) contracts and covers over the green field (2), immediately check the air filter system (see chapter 8.2.12 Maintaining the dry air filter, page 84).

  • Page 56: Maintenance

    ▪ Installation of unsuitable spare parts can lead to problems. We cannot ac- cept responsibility for direct damage or secondary damage that results from this.We therefore recommend the use of Hatz original spare parts. ▪ Closely adhere to the maintenance conditions prescribed in this manual.

  • Page 57: 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 58: Maintenance Plan

    Maintenance 1B20, 1B30, 1B40, 1B50 1B20: 0,20mm 1B27: 0,10mm 1B30: 0,10mm 1B40: 0,10mm 1B50: 0,10mm 0000 051 104 06 250h = 1h 500h 8.2.2 Maintenance plan In new and generally overhauled engines, after 25 operating hours: ▪ Change the engine oil ▪...

  • Page 59: Checking The Intake Area

    1B20, 1B30, 1B40, 1B50 Maintenance Symbol Maintenance in- Maintenance step/check Chapter terval Every 8–15 oper- Check the oil level. 7.6 Check the oil level, ating hours or ev- page 48 ery day before Check the engine oil level in 7.6.2 Oil level in the oil...
  • Page 60 Maintenance 1B20, 1B30, 1B40, 1B50 8.2.3 Checking the intake area Safety notes CAUTION Danger of burns. There is a danger of burns when working on a hot engine. ▪ Let the engine cool. ▪ Wear safety gloves. NOTICE In case of heavy contamination, shorten the maintenance inter- vals accordingly (see chapter 8.2.2 Maintenance plan, page 58).

  • Page 61: Change The Engine Oil

    1B20, 1B30, 1B40, 1B50 Maintenance Step Activity In models with a cyclone precleaner, also check and if neces- sary clean the intake area (2) in addition to step 1. Check that the dust outlet opening (3) is clear and clean it if necessary.
  • Page 62 Maintenance 1B20, 1B30, 1B40, 1B50 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 63 1B20, 1B30, 1B40, 1B50 Maintenance Step Activity Screw in the cleaned oil drain screw (1) with the new gasket (2) and tighten. Tightening torque: 50 Nm. Filling the engine oil Overview Dipstick Oil refilling container Procedure Step Activity Unscrew the dipstick (1) and clean it.

  • Page 64: Clean The Oil Filter

    Maintenance 1B20, 1B30, 1B40, 1B50 8.2.5 Clean the oil filter Safety notes CAUTION Danger of burns. There is a danger of burns when working on a hot engine. ▪ Let the engine cool before maintenance. CAUTION Danger of injury Prolonged contact with engine oil can lead to irritation of the skin.
  • Page 65 1B20, 1B30, 1B40, 1B50 Maintenance Procedure Step Activity Figure Loosen the screw (1) by ap- prox. five turns. Pull the oil filter (2) out of the housing. Blow out the oil filter from the inside to the outside with com- pressed air.

  • Page 66: Check And Set The Tappet Clearance

    The preparations are performed in different ways depending on how the en- gine is equipped: ▪ Preparations on engine model with dry air filter ▪ Preparations on engine model with oil bath air filter ▪ Preparations on engine model for rammer operation (1B20 R) Manual HATZ...
  • Page 67 1B20, 1B30, 1B40, 1B50 Maintenance Preparation - Engine model with dry air filter Step Activity Figure Unscrew the air filter cover (1). Remove the sound protection hood (2). Preparation - Engine model with oil bath filter Step Activity Figure Release the screw (1).
  • Page 68 Maintenance 1B20, 1B30, 1B40, 1B50 Preparations - Engine model with rammer operation (1B20 R) Step Activity Figure Unscrew the air filter cap (1). Remove the screws and nuts. Remove the sound protection hood (2). Procedure NOTICE The steps described here can only be performed after the ap- propriate preparations have been completed.
  • Page 69 1B20, 1B30, 1B40, 1B50 Maintenance Step Activity Figure Remove the screws (2). (2 screws in 1B20 and 1B30, 3 screws in 1B40 and 1B50). Take off the cover (3) with the gasket (4). Turn the engine in the sense of rotation until the rocker arm (1) has fully opened the outlet valve.

  • Page 70: Maintaining The Oil Bath Filter

    Maintenance 1B20, 1B30, 1B40, 1B50 8.2.7 Maintaining the oil bath filter Safety notes CAUTION Danger of burns. There is a danger of burns when working on a hot engine. ▪ Let the engine cool before maintenance. CAUTION Danger of injury Prolonged contact with engine oil can lead to irritation of the skin.

  • Page 71: Clean The Cooling Air Area

    1B20, 1B30, 1B40, 1B50 Maintenance Procedure – Cleaning the cyclone precleaner Step Activity Figure Take off the dust collection container (1), empty it and clean it without using liquids. Also clean the intake opening (2) without liquids. Fully assemble the cyclone precleaner and tighten with the wing nut.
  • Page 72 Maintenance 1B20, 1B30, 1B40, 1B50 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 damage to the machine from incorrect engine cleaning.
  • Page 73 (4) and blow out with com- pressed air. Check the air gap (5) for dirt and clean with compressed air if necessary. Note: In 1B20 the air gap (5) is markedly smaller than the gap shown in the figure (size ap- prox. 5 mm). HATZ Manual...

  • Page 74: Check The Screw Connections

    Maintenance 1B20, 1B30, 1B40, 1B50 Step Activity Figure The element can be checked and cleaned through the holes in the contact guard. Mount the recoil start (2) again. Moist or oily contamination Contact HATZ service. 8.2.9 Check the screw connections NOTICE ▪...

  • Page 75: Clean The Exhaust Screen

    The exhaust screen can be cleaned in different ways depending on how the engine is equipped: ▪ Cleaning the exhaust screen in standard models ▪ Cleaning the exhaust screen in models for rammer operation (1B20 R) Cleaning the exhaust screen in standard models Step...
  • Page 76 Maintenance 1B20, 1B30, 1B40, 1B50 Step Activity Figure Remove the hex nut from the bracket (2) and pull out the screen insert (3). Remove the deposits in the screen insert with a suitable wire brush. Check the screen insert for cracks or breakage, and re- place if necessary.
  • Page 77 Tighten the hex nut. Clean the exhaust screen in models for rammer operation (1B20 R) Step Activity Figure Release the hex nut and take off the exhaust manifold (1).
  • Page 78 Maintenance 1B20, 1B30, 1B40, 1B50 Step Activity Figure Check the screen insert for cracks or breakage, and re- place if necessary. Pull the hose (4) off of the ex- haust manifold. Check that the pipe connection (5) is clear. Remove deposits using a screwdriver or similar instrument.

  • Page 79: Changing The Fuel Filter

    1B20, 1B30, 1B40, 1B50 Maintenance Step Activity Figure Insert the exhaust manifold with the bracket (2) into the hole and pull it back to the out- side so that the bracket can no longer become unhooked. Tighten the hex nut.
  • Page 80 Maintenance 1B20, 1B30, 1B40, 1B50 CAUTION Dirt particles can damage the injection system. ▪ Maintain clean conditions to ensure dirt does not enter the fuel line. Procedures The fuel filter can be changed in different ways depending on how the en- gine is equipped: ▪...
  • Page 81 1B20, 1B30, 1B40, 1B50 Maintenance Model with double fuel filter system NOTICE ▪ The advantage of this system is that dirt particles that may enter the fuel line during a filter change are captured by the downstream outside filter and are therefore unable to en- danger the injection system.
  • Page 82 Maintenance 1B20, 1B30, 1B40, 1B50 Step Activity Figure Close the fuel cap. The fuel system is bled auto- matically. Model with external fuel filter NOTICE In the model with an external fuel filter, there is no fuel filter in the tank.
  • Page 83 1B20, 1B30, 1B40, 1B50 Maintenance Step Activity Figure Place a suitable container un- der the fuel filter to collect the remaining fuel. Pull the fuel line (4) off of the fuel filter (5) on both sides and insert a new filter.

  • Page 84: Maintaining The Dry Air Filter

    Maintenance 1B20, 1B30, 1B40, 1B50 8.2.12 Maintaining the dry air filter NOTICE ▪ Immediately clean the filter cartridge if the maintenance dis- play appears at maximum speed. ▪ Always renew the filter cartridge after a use period of 500 operating hours.

  • Page 85: Checking And Cleaning The Air Filter Cartridge

    1B20, 1B30, 1B40, 1B50 Maintenance Step Activity Figure The air filter cartridge either needs to be replaced, or cleaned or checked depend- ing on the degree of contam- ination (see chapter 8.2.13 Checking and cleaning the air filter cartridge, page 85).
  • Page 86 Maintenance 1B20, 1B30, 1B40, 1B50 NOTICE ▪ The pressure must not exceed 5 bar. ▪ Even minor damage in the areas of the sealing surface, filter paper or filter cartridge makes it impossible to reuse the fil- ter cartridge. Checking and cleaning the air filter cartridge...

  • Page 87: Faults

    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. The engine does not start or is difficult to start, but can be turned easily as...
  • Page 88 Faults 1B20, 1B30, 1B40, 1B50 If equipped with a fuel shut-off valve or electrical automatic shutoff (engine does not start) Possible causes Remedy Chapter The fuel shut-off valve Contact Hatz Service. is not functional and/or irregularities in the electrical equipment.
  • Page 89 1B20, 1B30, 1B40, 1B50 Faults Possible causes Remedy Chapter Fuel filter is clogged. Change the fuel filter. 8.2.11 Changing the fuel filter, page 79 Stop signal from monitoring elements that are associated with the au- tomatic switch-off (optional): ▪ No oil pressure.
  • Page 90 Faults 1B20, 1B30, 1B40, 1B50 Engine switches off spontaneously during operation Possible causes Remedy Chapter The tank ran out of fuel Fill with fuel. 7.7 Refueling, during operation. page 51 Fuel filter is clogged. Change the fuel filter. 8.2.11 Changing...
  • Page 91 1B20, 1B30, 1B40, 1B50 Faults The engine loses power and speed Possible causes Remedy Chapter The speed adjustment Block the speed adjustment. lever does not stay in the desired position. The fuel supply is impaired: ▪ The tank ran out of Add fuel.

  • Page 92: Emergency Start

    The oil level must be checked before the emergency opera- tion phase. NOTICE If the emergency operation mode is used, the risk transfers to the operator (the Motorenfabrik HATZ does not accept liabil- ity in this case). ▪ Immediately after the emergency operation phase, deter- mine the cause of the fault.
  • Page 93 1B20, 1B30, 1B40, 1B50 Faults Overview Fuel shut-off valve (option) Emergency start lever Procedure Step Activity Using suitable pliers, turn the emergency start lever (2) coun- terclockwise by at least 90° (seal wire tears). The emergency start lever is now located in the start position, and the fuel shut-off valve (1) is mechanically unlocked.

  • Page 94: Storage And Disposal

    Storage and disposal 1B20, 1B30, 1B40, 1B50 Storage and disposal 10.1 Storing the machine Safety notes DANGER Danger to life from inhaling exhaust gases. Toxic engine exhaust gases can lead to loss of consciousness and even death in closed-off and poorly ventilated rooms.
  • Page 95 1B20, 1B30, 1B40, 1B50 Storage and disposal Storing the machine for a lengthy period Take the following measures if you intend to take the machine out of service for a lengthy period (3-12 months): Step Activity Drain the fuel tank until it is nearly empty and fill with FAME*- free fuel.

  • Page 96: Disposing Of The Machine

    Storage and disposal 1B20, 1B30, 1B40, 1B50 The brand new engine can normally be stored for up to 12 months. The pro- tection lasts up to approx. 6 months at very high humidity and with sea air. For storage periods of more than 12 months, please contact the nearest Hatz service.

  • Page 97: Installation Declaration

    The manufacturer: Motorenfabrik Hatz GmbH & Co.KG Ernst-Hatz-Straße 16 94099 Ruhstorf a. d. Rott (Germany) hereby declares that the incomplete machine: product description: Hatz diesel engine Type designation and as of serial number: 1B20=10034; 1B20V=11124; 1B20R=14413 1B30=10129; 1B30V=11220; 1B30E=18210; 1B30VE=18310 1B40=11019;...

  • Page 98: Declaration Of The Manufacturer

    Declaration of the manufacturer 1B20, 1B30, 1B40, 1B50 Declaration of the manufacturer The following "Manufacturer's declaration of compliance with regulation (EU) 2016/1628" only applies to engines with an engine family designation in ac- cordance with section 1.5 (see next page).
  • Page 99 Hatz-Diesel 1.2. Commercial name(s) (if applicable): 1.3. Company name and address of manufacturer: Motorenfabrik Hatz GmbH & Co. KG, Ernst-Hatz-Str. 16, 94099 Ruhstorf a.d. Rott 1.4. Name and address of manufacturer's authorised representative (if any): – 1.5. Engine type designation/ engine family designation/ FT (*):...
  • Page 100 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 0000 433 802 16 - 05.2021 Printed in Germany CREATING POWER SOLUTIONS.

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