Hatz 2L41C Owner's Manual
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Hatz 2L41C Owner's Manual

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See also: Operator's Manual
INCLUDES SUPPLEMENTAL INFORMATION TO
THE OWNER'S MANUAL FOR MODEL YEAR
2019 EPA CERTIFIED NONROAD COMPRES-
SION-IGNITION ENGINES.
INCLUDES SUPPLEMENTAL INFORMATION FOR
THE USE OF EPA CERTIFIED ENGINES WITHIN
CALIFORNIA.
CREATING POWER SOLUTIONS.
2L41C | 2M41 | 2M41Z
OPERATOR'S MANUAL
Diesel engine
Hatz Diesel
www.hatz-diesel.com

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  • Page 1 CREATING POWER SOLUTIONS. INCLUDES SUPPLEMENTAL INFORMATION TO 2L41C | 2M41 | 2M41Z THE OWNER’S MANUAL FOR MODEL YEAR 2019 EPA CERTIFIED NONROAD COMPRES- SION-IGNITION ENGINES. OPERATOR’S MANUAL INCLUDES SUPPLEMENTAL INFORMATION FOR Diesel engine THE USE OF EPA CERTIFIED ENGINES WITHIN CALIFORNIA.

  • Page 3: Table Of Contents

    2L41C, 2M41, 2M41Z 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 Representation of safety notes ....................
  • Page 4 Table of contents 2L41C, 2M41, 2M41Z Maintenance ......................  51 General maintenance instructions .................. 51 Maintenance work...................... 52 8.2.1 Maintenance notice label .................... 52 8.2.2 Maintenance plan ...................... 54 8.2.3 Checking the intake area of the combustion air.............. 56 8.2.4 Checking the cooling air area ....................  59 8.2.5...

  • 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

    2L41C, 2M41, 2M41Z Safety Storing this manual This 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 accessi- ble to personnel at all times.

  • Page 10: Meaning Of Safety Symbols

    Safety 2L41C, 2M41, 2M41Z 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 2L41C, 2M41, 2M41Z 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 2L41C, 2M41, 2M41Z 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 2L41C, 2M41, 2M41Z 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. ▪ Heed 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

    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 17 2L41C, 2M41, 2M41Z Safety Safety instructions for maintenance work DANGER Danger of explosion from flammable cleaning agents. Cleaning with benzene is an explosion hazard. It is highly flammable, can become electrostatically charged, and can gen- erate an explosive gas/air mixture.

  • Page 18: Electrical Equipment

    Safety 2L41C, 2M41, 2M41Z 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 or other metal objects on the battery.
  • Page 19 ▪ 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 20: Labels

    Safety 2L41C, 2M41, 2M41Z Labels Warning labels and information signs on the engine Label Meaning Maintenance instructions (see the chapter 8.1 General maintenance in- structions, page 51) CAUTION! Damage from inadequate engine cooling. ▪ Only run the engine when all cov- ers are installed.

  • Page 21: Technical Data

    2L41C, 2M41, 2M41Z Technical data Technical data Engine information and filling quantities Type 2L41C, 2M41, 2M41Z Type Air-cooled four stroke diesel engine Combustion system Direct injection Number of cylinders Bore/stroke 102 / 105 Displacement 1716 Engine oil pressure at oil Min.

  • Page 22: Engine Type Plate

    Technical data 2L41C, 2M41, 2M41Z Engine oil capacities and dipstick equipment Type Oil sump Engine oil capacity Mark on the dip- stick liters 2L41C With 2M41Z Without 2M41 With Without These values are approximations only. The max. mark on the dipstick is decisive in any case (see the chapter 7.8 Check the oil level, page 49).

  • Page 23: Physical Operating Conditions

    2L41C, 2M41, 2M41Z Technical data 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) The type plate also defines the applicable emissions-related performance class of the engine.

  • Page 24: Engine Oil

    Technical data 2L41C, 2M41, 2M41Z NOTICE If the machine is operated at high altitudes and high tempera- tures, adjustment of the engine setting may be necessary if the climatic conditions were not taken into account when the ma- chine was ordered. If this is the case, please contact your near- est HATZ service station.

  • Page 25: 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 26: Engine Design

    Engine design 2L41C, 2M41, 2M41Z Engine design Engine 2L41C Encapsulated model "Silent Pack" Pos. Designation Access cap for fuel feed pump Oil filling opening and dipstick Type plate Speed control lever Oil filter Exhaust silencer (encapsulated) Cover for air guide housing (access to cooling fan belt)
  • Page 27 2L41C, 2M41, 2M41Z Engine design Pos. Designation Capsule intake shaft Intake opening for combustion air Fuel feed line with fuel prefilter Fuel return line Cover plate on exhaust side Central connector for electrical equipment Battery connections Powerbox Electrical maintenance switch for air filter...
  • Page 28 Engine design 2L41C, 2M41, 2M41Z Pos. Designation 1/2-inch square socket for turning the engine Oil drain screw Speed control lever Oil filter Oil drain screw (on oil sump) Cooling air guide for oil cooler Access cap for fuel feed pump...

  • Page 29: Transport, Assembly And Commissioning

    ▪ 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 30: 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 31: Preparations For Commissioning

    2L41C, 2M41, 2M41Z Transport, assembly and commissioning 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. Toxic engine exhaust gases can lead to loss of consciousness and even death in closed-off and poorly ventilated rooms.
  • Page 32 Transport, assembly and commissioning 2L41C, 2M41, 2M41Z Overview Dipstick Code letter on the dipstick Procedure Step Activity Pull out the dipstick (1) and clean it. Fill engine oil. For the specification and viscosity, see chapter 4.4 Engine oil, page 24.

  • Page 33: Operation And Use

    2L41C, 2M41, 2M41Z 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 34: Performing Tests

    Operation and use 2L41C, 2M41, 2M41Z Performing tests Before starting Before starting the engine, several tests need to be performed to ensure the machine is working properly. Procedure Step Test The machine is standing securely and on a level surface.
  • Page 35 2L41C, 2M41, 2M41Z Operation and use Overview Manual lever (fuel feed pump) Return line Procedure Step Activity Fill with fuel if necessary. Remove the access cap for the fuel feed pump. Actuate the manual lever (1) on the fuel feed pump until the fuel audibly flows back into the fuel tank through the return line (2).

  • Page 36: Setting The Speed Control

    Operation and use 2L41C, 2M41, 2M41Z Setting the speed control Overview ½ Procedure Step Activity Depending on the situation, place the speed control lever in either the "1/2" or "Start" position. NOTICE A lower speed setting will cause less exhaust smoke when start- ing.

  • Page 37: Starting The Engine With Crankhandle

    2L41C, 2M41, 2M41Z Operation and use CAUTION Danger of injury and danger of engine damage from the use of starting fluid. ▪ Danger of injury during hand starting because the use of starting fluid can result in uncontrolled ignitions. ▪...
  • Page 38 Operation and use 2L41C, 2M41, 2M41Z Overview Decompression lever Attach the crank handle Position of operator 0 - 3 Positions of the decompression lever Guide sleeve Preparation Step Activity Carry out start preparations (see the chapter 7.3 Start prepara- tion, page 34).
  • Page 39 2L41C, 2M41, 2M41Z Operation and use NOTICE Only operate the decompression lever while the engine is at a standstill and observe the sense of rotation ▪ Only turn the decompression lever in the direction of the ar- row. ▪ Exception: The lever can be turned directly back from posi- tion "1"...
  • Page 40 Operation and use 2L41C, 2M41, 2M41Z Overview Numbering of the valves and cylinders from the fan side Crank handle Attach the crank handle Handle bar Crank arm Drive dog Guide sleeve Operator’s Manual HATZ...
  • Page 41 2L41C, 2M41, 2M41Z Operation and use Preparation Step Activity Setting the decompression lever: ▪ Two cylinder engine 2M41. Turn the lever to position "2". Starting the engine with a recoil-dampened crankhandle Step Activity Assume the correct position. Grasp the handle bar with both hands.

  • Page 42: Starting The Engine With A Starter

    As soon as the engine starts, pull the crankhandle out of the guide sleeve (4). 7.5.2 Starting the engine with a starter Overview — HATZ instrument boxes Protective cap Starting key Pre-glow display (option)
  • Page 43 Engine oil pressure too low. Danger of engine damage. Stop the engine immediately and check the oil level (see section 7.8 Check the oil level, page 49). Contact HATZ Service if the oil level is correct. Engine temperature display Engine temperature is impermissibly high. Danger of engine damage.
  • Page 44 Operation and use 2L41C, 2M41, 2M41Z NOTICE The starter protection module prevents the starter from engag- ing while the engine is running and becoming damaged. ▪ The starter protection module is required when the user cannot detect at the ignition lock if the engine is still running or is already at a standstill.

  • Page 45: Switching Off The Engine

    2L41C, 2M41, 2M41Z Operation and use NOTICE ▪ If the engine stops again immediately after starting, or stops independently during operation, this is an indication that a monitoring element of the automatic shutoff has activated. ▪ Remedy the fault before making further starting attempts (see chapter 9.1 Troubleshooting, page 87).

  • Page 46: Switching Off The Engine (Mechanical)

    Operation and use 2L41C, 2M41, 2M41Z CAUTION Protect the ignition lock against dirt and moisture. ▪ With the starting key pulled out, seal the ignition lock with the protective cap. Methods of switching off the engine The engine can be switched off in different ways depending on how it is equipped: ▪...

  • Page 47: Switching Off The Engine (Electrical)

    2L41C, 2M41, 2M41Z Operation and use 7.6.2 Switching off the engine (electrical) Overview — HATZ instrument boxes Protective cap Starting key Ignition lock Operation Procedure Step Activity Turn the starting key (2) to position "0". The engine switches off. All indicator lamps go out.

  • Page 48: 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 25. ▪ The use of fuel that does not meet specifications requires approval by Motorenfabrik HATZ (main plant). Operator’s Manual HATZ...

  • Page 49: Check The Oil Level

    2L41C, 2M41, 2M41Z Operation and use 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 50 Operation and use 2L41C, 2M41, 2M41Z Code letter on the dipstick Procedure — Checking oil level/adding oil Step Activity Switch off the engine and wait several minutes for the engine oil to collect in the crankcase. Engine must be level.

  • Page 51: 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 52: 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 53 2L41C, 2M41, 2M41Z Maintenance 2M41 and 2M41Z without oil sump 0,1 mm 0.004" 2M31 2M40 2M41 = 1h 500h 250h 2M41 and 2M41Z with oil sump 0,1 mm 0.004" .M31/.M40 .M41/.M42 = 1h 500h 250h HATZ Operator’s Manual...

  • Page 54: Maintenance Plan

    Maintenance 2L41C, 2M41, 2M41Z 2L41C 8.2.2 Maintenance plan In new and generally overhauled engines, after 25 operating hours: ▪ Change the engine oil ▪ Check the tappet clearance and adjust if necessary ▪ Check the screw connections (do not retighten the screws for attaching...
  • Page 55 2L41C, 2M41, 2M41Z Maintenance Symbol Maintenance in- Maintenance step/check Chapter terval Visual check of the condition − of the crank handle (handle bar, crank arm, drive dog) If necessary, lightly grease gliding area between crank handle and guide sleeve. Every 250 operat- Change the engine oil (2M41 8.2.5 Change the...
  • Page 56 Maintenance 2L41C, 2M41, 2M41Z Symbol Maintenance in- Maintenance step/check Chapter terval Every 500 operat- Change the fuel prefilter. 8.2.10 Changing 500h ing hours the fuel prefilter, page 69 Maintain the dry air filter. 8.2.11 Maintain- ing the dry air fil- Change the filter cartridge.
  • Page 57 2L41C, 2M41, 2M41Z Maintenance NOTICE In case of heavy contamination, shorten the maintenance inter- vals accordingly (see chapter 8.2.2 Maintenance plan, page 54). Overview 2M41 and 2M41Z 2L41C Pos. Designation Intake opening for combustion air Dust outlet opening Cyclone (option)
  • Page 58 Maintenance 2L41C, 2M41, 2M41Z Air filter maintenance display Electrical display Mechanical display Pos. Designation Red field Air filter maintenance display Procedure Step Activity For the electrical air filter maintenance display: Briefly let the engine run at maximum speed and watch for the indicator (5) to light up for a short period –...
  • Page 59 2L41C, 2M41, 2M41Z Maintenance 8.2.4 Checking the cooling air area 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. When working with compressed air, foreign bodies may fly into your eyes.

  • Page 60: Change The Engine Oil

    Maintenance 2L41C, 2M41, 2M41Z 8.2.5 Change the engine oil Safety notes CAUTION Danger of burns. When working on the engine there is a danger of burns from hot oil. ▪ Wear personal protective equipment (gloves). ▪ Collect the used oil and dispose of it according to local envi- ronmental regulations.
  • Page 61 Unscrew the oil drain screw (1) and drain the oil entirely. When unscrewing the oil drain screw (1) on engines of type 2L41C, ensure that the drain pipe (2) is not loosened. Hold it with an open-end wrench. Screw in the cleaned oil drain screw (1) with the new gasket and tighten.

  • Page 62: Checking The Poly V Belt

    Maintenance 2L41C, 2M41, 2M41Z 8.2.6 Checking the poly v belt 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 Damage from inadequate engine cooling.

  • Page 63: Cleaning The Cooling Fan, Cooling Fins And Oil Cooler

    2L41C, 2M41, 2M41Z Maintenance Transverse cracks in multiple ribs Broken ribs Procedure Step Activity Check the belt tensioner (1) for leaks. If the belt tensioner is oily, contact HATZ service. Check the poly v belt (2) for the following damage: ▪...
  • Page 64 Maintenance 2L41C, 2M41, 2M41Z 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 65 2L41C, 2M41, 2M41Z Maintenance Overview — Preparatory activities Baffle plate Preparation — Cleaning Step Activity On encapsulated engines unscrew the following: (see chapter 5 Engine design, page 26) ▪ Hood ▪ Side panel ▪ Cover plate on operating side ▪ Air outlet duct for cooling air ▪...
  • Page 66 Maintenance 2L41C, 2M41, 2M41Z Overview — Cleaning Procedure — Cleaning Step Activity Cleaning in case of dry dirt contamination Clean the cooling fan, cylinder head and cylinder with a suit- able brush. Blow out the entire cooling air area with compressed air.

  • Page 67: Checking The Screw Connections

    Step Activity Determine the cause of the oil contamination and have leaks corrected by the HATZ service station. Mount the capsule and air guide parts again. Let the engine run warm to prevent rust formation. 8.2.8 Checking the screw connections...
  • Page 68 Maintenance 2L41C, 2M41, 2M41Z CAUTION Danger of injury There is a danger of injury when performing cleaning work at the exhaust screen. ▪ Wear safety gloves. NOTICE Operation of the engine for a lengthy period without a load or with only a small load can result in premature deposits on the screen insert.

  • Page 69: Changing The Fuel Prefilter

    2L41C, 2M41, 2M41Z Maintenance 8.2.10 Changing the fuel prefilter DANGER Fire hazard from fuel. Leaked or spilled fuel can ignite on hot engine parts and cause serious burn injuries. ▪ Never refuel in the vicinity of open flames or sparks that can cause ignition.
  • Page 70 Maintenance 2L41C, 2M41, 2M41Z Overview Fuel lines Fuel prefilter Procedure Step Activity Place a suitable container under the filter to collect emerging fuel. Close the fuel feed line. Pull the fuel lines (1) off of the fuel prefilter (2) on both sides.

  • Page 71: Maintaining The Dry Air Filter

    Cover Filter cartridge Air filter housing Spacer Bushing Remove the air filter cartridge - engine 2L41C Step Activity Remove the capsule hood. Remove adherent dirt in the area of the air filter housing (4). Only loosen the screws (1) to the point where you can lift off the complete air filter housing (4).
  • Page 72 Maintenance 2L41C, 2M41, 2M41Z Step Activity Clean the air filter housing (4) and cover (2). Renew the bushing (6) if the spacer (5) is loose. ▪ The spacer (5) is connected with the screw (1) by the elastic bushing (6) to ensure that it cannot fall into the intake pipe during disassembly and assembly.

  • Page 73: Checking And Cleaning The Air Filter Cartridge

    2L41C, 2M41, 2M41Z Maintenance Remove the air filter cartridge - engines 2M41 and 2M41Z Step Activity Release the clamps (1) and remove the cover of the air filter housing (2). Remove adherent dirt in the air filter area. Only loosen the screws (3) to the point where the filter cover (4) can be removed with the filter cartridge (7).
  • Page 74 Maintenance 2L41C, 2M41, 2M41Z Overview — Checking/cleaning the air filter cartridge Sealing surface Step Activity Dry contamination Blow out the filter cartridge with dry compressed air from the in- side to the outside until dust no longer emerges. Check the sealing surfaces (2) of the filter cartridge for damage.

  • Page 75: Check And Set The Tappet Clearance

    2L41C, 2M41, 2M41Z Maintenance Procedure — Mounting the air filter cartridge Step Activity When assembling, mount the parts individually one after the other to make sure they are correctly seated and to ensure leak tightness. After the filter is mounted, unlock the visible red field (1) in the maintenance display by pressing the reset button (2).
  • Page 76 Maintenance 2L41C, 2M41, 2M41Z Preparation — Adjusting the tappet clearance Step Activity On encapsulated engines, remove the hood of the capsule (see chapter 5 Engine design, page 26). Remove the hex nut (2) and remove the cylinder head cover (3).
  • Page 77 2L41C, 2M41, 2M41Z Maintenance Overview — Adjusting the tappet clearance Hexagon nut Adjusting screw Feeler gage Procedure — Adjusting the tappet clearance Step Activity Check the tappet clearance with the feeler gauge (3). For the setting, see the chapter 4 Technical data, page 21 If the tappet clearance needs to be corrected: ▪...

  • Page 78: Changing The Oil Filter

    Release the oil filter (1) with a strap wrench (2) and quickly un- screw it or pull it out. ▪ HATZ order no. for strap wrench: 620 307 01. Dispose of the old filter in accordance with local environmental regulations.

  • Page 79: Change The Main Fuel Filter

    2L41C, 2M41, 2M41Z Maintenance Step Activity Add engine oil to the max. mark on the dipstick. ▪ For the specification and viscosity, see chapter 4.4 Engine oil, page 24. ▪ The mark on the dipstick indicates whether the engine is equipped with an oil sump or not (see chapter 4.1 Engine in-...
  • Page 80 ▪ Maintain clean conditions to ensure dirt does not enter the fuel line. Overview Pos. Designation Strap wrench (HATZ order no.: 620 307 01) Procedure Step Activity On encapsulated engines: ▪ Lift off the capsule hood (see the chapter 5 Engine design, page 26).

  • Page 81: Checking That The Air Filter Maintenance Indicator Is Working Properly

    2L41C, 2M41, 2M41Z Maintenance Step Activity Open the fuel feed line. To simplify the starting procedure, it is recommended that you pre-pump the fuel using the manual lever at the fuel feed pump until you hear fuel flow back through the return line into the fuel tank (see the chapter 7.3.1 Pumping fuel with the manual lever,...
  • Page 82 Maintenance 2L41C, 2M41, 2M41Z Pos. Designation Red field Reset button Hose Air filter maintenance display Ignition lock Operation Start Procedure Step Activity Remove the capsule hood and the side panel trim (see the chapter 5 Engine design, page 26). Turn the starting key to position I.

  • Page 83: Renewing The Poly V Belt And Checking The Function Of The Switch-Off Unit

    2L41C, 2M41, 2M41Z Maintenance 8.2.17 Renewing the poly v belt and checking the function of the switch-off unit NOTICE When changing the belt: ▪ Always check the function of the switch-off unit. The switch- off pin must emerge by spring force, or else the machine will not switch off automatically if the belt tears.
  • Page 84 ▪ The switch-off pin (3) must emerge by spring force, or else the machine will not switch off automatically if the belt tears. If there is no reaction, please contact the nearest HATZ service station. Operator’s Manual HATZ...
  • Page 85 2L41C, 2M41, 2M41Z Maintenance Overview — Mounting the poly v-belt Switch-off pin Tension pulley Housing Procedure — Mounting the poly v belt Step Activity Slide in the switch-off pin (1). Slide the piston with the tension pulley (2) into the housing (3) and lock it using the cylinder screw.
  • Page 86 Maintenance 2L41C, 2M41, 2M41Z Procedure — Centering the pulley Step Activity Lightly secure the pulley with a cylinder screw (1) without plac- ing the pulley fully on the centering. Insert the ratchet or T-piece 1/2" with the required extension into the square opening (2).

  • 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 does not start immediately, but it can be turned with the starter.
  • Page 88 Faults 2L41C, 2M41, 2M41Z Possible causes Remedy Chapter Poly v belt torn. Renew the poly v belt. 8.2.17 Renewing the poly v belt and checking the function of the switch-off unit, page 83 Insufficient compression: ▪ Wrong tappet clear- Check the tappet clearance 8.2.13 Check and...
  • Page 89 2L41C, 2M41, 2M41Z Faults The starter does not switch on and the engine does not turn. Possible causes Remedy Chapter Irregularities in the electrical equipment: Battery and/or other Check the electrical equipment 3.2.4 Electrical cable connections are and its components or contact equipment, page incorrectly connected.
  • Page 90 Faults 2L41C, 2M41, 2M41Z Possible causes Remedy Chapter ▪ Engine temperature Check the cooling air guides 8.2.7 Cleaning too high. for contamination or other im- the cooling fan, pairments. cooling fins and oil cooler, page Engine switches off spontaneously during operation.
  • Page 91 2L41C, 2M41, 2M41Z Faults Possible causes Remedy Chapter Irregularities in the electrical equipment: ▪ Loose contacts on Check the electrical equipment 3.2.4 Electrical cable connections. and its components, contacting equipment, page the service center if necessary. ▪ Faulty three phase alternator.

  • Page 92: Emergency Start

    Faults 2L41C, 2M41, 2M41Z Engine becomes very hot. Indicator lamp for engine temperature (option) lights up. Possible causes Remedy Chapter Too much engine oil in Drain the engine oil to the up- 7.8 Check the oil the engine. per mark of the dipstick.
  • Page 93 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 94 Eliminate the emergency situation within a few seconds. Switch off the engine. Immediately after the emergency operation phase: ▪ Determine and remedy the cause of the fault signal (see chapter 9.1 Troubleshooting, page 87). ▪ If necessary, contact your nearest HATZ service station. Operator’s Manual HATZ...

  • Page 95: Storage And Disposal

    2L41C, 2M41, 2M41Z Storage and disposal 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 96 Storage and disposal 2L41C, 2M41, 2M41Z Step Activity Drain the fuel tank until it is nearly empty and fill with FAME*- free fuel. Operate the engine for a few minutes so that only FAME-free fuel is still in the fuel system.

  • Page 97: Disposing Of The Machine

    2L41C, 2M41, 2M41Z Storage and disposal 10.2 Disposing of the machine Disposal information Dispose of the machine (including machine parts, engine oil and fuel) ac- cording to the local disposal regulations and the environmental laws in the country of use.

  • Page 98: Proof Of Quality

    Proof of quality The manufacturer: Motorenfabrik Hatz GmbH & Co.KG Ernst-Hatz-Straße 16 D-94099 Ruhstorf a. d. Rott hereby declares that the incomplete machine: product description: Hatz diesel engine Type designation and as of serial number: 2L41=15310; 2M41=15410 satisfies the following basic safety and health protection requirements in acc. with Annex I of the EC Machinery Directive 2006/42/EC.

  • Page 99: Epa Certified Engines

    2L41C, 2M41, 2M41Z EPA CERTIFIED ENGINES EPA CERTIFIED ENGINES SUPPLEMENTAL INFORMATION TO THE OWNER'S MANUAL FOR MODEL YEAR 2019 EPA CERTIFIED NONROAD COMPRESSION IGNITION ENGINES EPA EMISSION CONTROL SUPPLEMENTAL WARRANTY STATEMENT AND EMISSION-RELATED INSTALLATION INSTRUCTIONS HATZ Operator’s Manual...
  • Page 100 ▪ Wiring harnesses ▪ Fuel hoses ▪ Intake and exhaust gaskets ▪ Emission Control Information Labels Only parts manufactured by Hatz and which have passed the Hatz Quality Assurance Program are assured of meeting EPA exhaust emission regula- tions. UNUSUAL OPERATING CONDITIONS.
  • Page 101 Hatz Diesel of America will give you respective addresses, if required. EMISSION CONTROL SYSTEM AND ADJUSTMENTS. The emission control system for the engine series 2L41C and 2M41 is DI (Direct Injection) and EM (Engine Modification). No adjustments are needed or possible.
  • Page 102 ▪ As the engine owner, you should be aware, however, that Motorenfabrik Hatz may deny you warranty coverage if your engine or a part has failed due to abuse, neglect, improper maintenance or unapproved modifica- tions.
  • Page 103 SUPPLEMENTAL LIMITED WARRANTY. Hatz Diesel of America, Inc. hereinafter referred to as “HATZ” warrants each of the above-listed parts when installed in a new engine sold by Hatz to be free from defects in material and workmanship under normal use and ser-...
  • Page 104 ▪ This warranty shall not apply to any engine which shall have been installed or operated in a manner not recommended by Hatz, nor to any engine which shall have been repaired, altered, neglected, or used in any way...
  • Page 105 The exhaust silencer is fitted in connection with gaskets. Fixation is done by hexagon head screws (1) and Allen screws (3). Dismantling: ▪ Remove in numerical sequence (1...5). Assembly: ▪ Assemble in reverse sequence. ▪ Use anti-seize compound J as specified by HATZ. HATZ Operator’s Manual...
  • Page 106 EPA CERTIFIED ENGINES 2L41C, 2M41, 2M41Z 2L41C, 3L41C, 4L41C Encapsulated engine Before dismantling the exhaust system the capsule has to be dismounted: ▪ Remove the top cover (1) by opening the clips. ▪ Remove all screws (2) and remove the side cover (3).
  • Page 107 2L41C, 2M41, 2M41Z EPA CERTIFIED ENGINES Sequence of dismantling the exhaust system: ▪ Open nut (1) and remove in numerical sequence (2...5). ▪ Open screws (6) and remove with shims (7) and plate (8). ▪ Open screws (9) and remove with shims (10).
  • Page 108 ▪ Assemble in reverse sequence. ▪ Make sure that all parts are correctly placed and tightened. ▪ Use anti-seize compound J as specified by HATZ. SAMPLING OF EXHAUST EMISSIONS After the engine is installed in the equipment and placed in service, the sam-...

  • Page 109: Epa Certified Engines Within California

    2L41C, 2M41, 2M41Z EPA CERTIFIED ENGINES WITHIN CALIFORNIA EPA CERTIFIED ENGINES WITHIN CALIFORNIA SUPPLEMENTAL INFORMATION TO THE OWNER‘S MANUAL FOR THE USE OF EPA CERTIFIED ENGINES WITHIN CALIFORNIA. HATZ Operator’s Manual...
  • Page 110 EPA CERTIFIED ENGINES WITHIN CALIFORNIA 2L41C, 2M41, 2M41Z The following information is taken from the official CARB website and this page was last reviewed October 31, 2012. For the latest information please see http://www.arb.ca.gov/msprog/offroad/preempt.htm "The 1990 amendments to the federal Clean Air Act preempt California con- trol of emissions from new farm and construction equipment under 175 horsepower.
  • Page 111 2L41C, 2M41, 2M41Z EPA CERTIFIED ENGINES WITHIN CALIFORNIA ▪ Conveyors: portable ▪ Power pack: hydraulic ▪ Crawler excavators ▪ Pruner: orchard ▪ Crushers: stone ▪ Pumps 40 cc and above ▪ Cultivators: powered ▪ Rollers: trench ▪ Cutting machine ▪ Sawmill: portable ▪...
  • Page 112 WARNING: Breathing diesel engine exhaust exposes you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. ¬ Always start and operate the engine in a well-ventilated area. ¬ If in an enclosed area, vent the exhaust to the outside. ¬...
  • Page 113 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 433 415 16 - 01.2019 - 0.1 Printed in Germany USA - EPA IV CREATING POWER SOLUTIONS.

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2m412m41z

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