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I I N N C C L L U U D D E E S S S S U U P P P P L L E E M M E E N N T T A A L L I I N N F F O O R R M M A A T T I I O O N N T T O O
T T H H E E O O W W N N E E R R ' ' S S M M A A N N U U A A L L F F O O R R M M O O D D E E L L Y Y E E A A R R 2 2 0 0 1 1 6 6
E E P P A A C C E E R R T T I I F F I I E E D D N N O O N N R R O O A A D D C C O O M M P P R R E E S S S S I I O O N N - -
I I G G N N I I T T I I O O N N E E N N G G I I N N E E S S . .
I I N N C C L L U U D D E E S S S S U U P P P P L L E E M M E E N N T T A A L L I I N N F F O O R R M M A A T T I I O O N N F F O O R R
T T H H E E U U S S E E O O F F E E P P A A C C E E R R T T I I F F I I E E D D E E N N G G I I N N E E S S W W I I T T H H I I N N
C C A A L L I I F F O O R R N N I I A A . .
CREATING POWER SOLUTIONS.
2L41C | 2M41 | 2M41Z
OPERATOR'S MANUAL
Diesel engine
Hatz Diesel
www.HATZ-DIESEL.com
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Related Manuals for Hatz 2L41C
Summary of Contents for Hatz 2L41C
- Page 1 I I N N C C L L U U D D E E S S S S U U P P P P L L E E M M E E N N T T A A L L I I N N F F O O R R M M A A T T I I O O N N T T O O 2L41C | 2M41 | 2M41Z T T H H E E O O W W N N E E R R ’...
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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 General maintenance instructions............... 50 Maintenance work .................... 51 8.2.1 Maintenance notice label .................. 51 8.2.2 Maintenance plan.................... 53 8.2.3 Checking the intake area of the combustion air .......... 55 8.2.4 Checking the cooling air area................ 58 8.2.5...
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Page 5: Notices
2L41C, 2M41, 2M41Z Notices Notices Contact data © 2015 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 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 directory included or visit the inter- net 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. 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 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 All work performed on the machine must be in compliance with the informa- tion provided in the Operator's Manual. 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 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: Safety Notes
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 the Operator's Manual or additional documenta- tion from other manufacturers or the user! Additional information that is useful to the reader. - Page 12 Safety 2L41C, 2M41, 2M41Z DANGER Danger to life, danger of injury or danger of property dam- age due to failure to comply with the Operator's Manual and the safety instructions contained therein. ▪ As the user of the machine, you must ensure that all people working on the machine are familiar with the content of this Operator's Manual.
- 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...
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Page 14: 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 15 2L41C, 2M41, 2M41Z Safety Safe operation ▪ Before switching on the machine, ensure that no one can be injured when the machine is started up. ▪ During machine operation, ensure that unauthorized persons do not have access to the area in which the machine has an impact.
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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.
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Page 18: Electrical Equipment
Safety 2L41C, 2M41, 2M41Z CAUTION Danger of burns. There is a danger of burns when working on a hot engine. ▪ Let the engine cool before maintenance. 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. - 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.
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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 50) 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 Checking the oil level and adding... -
Page 23: Fuel
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 24: Engine Oil
Technical data 2L41C, 2M41, 2M41Z Winter fuel When outside temperatures drop below 0°C, use winter fuel or mix in petro- leum in advance: Lowest ambient tempera- Percentage of petroleum [%]for ture at start [°C] Summer fuel Winter fuel 0 to -10 ‑... - Page 25 2L41C, 2M41, 2M41Z Technical data CAUTION Engine damage from unsuitable engine oil. Unsuitable engine oil considerably reduces engine service life. Only use engine oil that fulfills the specifications stipulated above. HATZ Operator’s Manual...
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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...
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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: Operation And Use
Operation and use 2L41C, 2M41, 2M41Z 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 33: Start Preparation
2L41C, 2M41, 2M41Z 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 4.3 Fuel, page 23). - Page 34 Operation and use 2L41C, 2M41, 2M41Z Overview Pos. Designation 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).
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Page 35: Setting The Speed Control
2L41C, 2M41, 2M41Z Operation and use 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 36: Starting The Engine With Crankhandle
Operation and use 2L41C, 2M41, 2M41Z CAUTION Danger of injury from defective crankhandle. A damaged or broken handle bar can cause injuries. A worn cranking shaft can slip out of the starting mechanism when start- ing and also cause injuries. - Page 37 2L41C, 2M41, 2M41Z Operation and use Overview Decompression lever Attach the crankhandle Position of operator Pos. Designation 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 33).
- Page 38 Operation and use 2L41C, 2M41, 2M41Z 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 39 2L41C, 2M41, 2M41Z Operation and use Overview Numbering of the valves and cylinders from the fan side Crankhandle Attach the crankhandle Pos. Designation Handle bar Crank arm Drive dog Guide sleeve HATZ Operator’s Manual...
- Page 40 Operation and use 2L41C, 2M41, 2M41Z 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.
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Page 41: Starting The Engine With A Starter
2L41C, 2M41, 2M41Z Operation and use Step Activity Grasp the handle bar (1) with both hands. Slowly turn the crankhandle until the drive dog (3) engages. Turn the crankhandle forcefully with increasing speed. When the decompression lever engages in the "0" position (compression), the highest possible speed must be reached. - Page 42 Operation and use 2L41C, 2M41, 2M41Z Procedure NOTICE ▪ Start for max. 30 seconds. If the engine is still not running after that, turn the starting key back to position "0" and elimi- nate the cause (see chapter 9.1 Troubleshooting, page 84).
- Page 43 2L41C, 2M41, 2M41Z Operation and use Step Activity As soon as the engine is running, release the starting key. ▪ The starting key springs back to position "I" and remains in this position during operation. ▪ The charge control (2) and oil pressure display (3) go out.
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Page 44: Switching Off The Engine
Operation and use 2L41C, 2M41, 2M41Z Switching off the engine Methods of switching off the engine CAUTION Danger of injury from unauthorized access. There is a danger of injury if unauthorized persons handle the machine. ▪ Protect the crankhandle and starting key against unautho- rized access upon breaks in operation or after completing work. -
Page 45: Switching Off The Engine (Electrical)
2L41C, 2M41, 2M41Z Operation and use Step Activity ▪ Turn the starting key to position "0". All indicator lamps go out. NOTICE Engines with an automatic switch-off can also be switched off by turning the starting key back to position "0". -
Page 46: Refueling
Operation and use 2L41C, 2M41, 2M41Z Step Activity Remove the starting key. Automatic electrical switch-off with fault storage This is identified by brief flashing of all indicators after the starting key is turned to position "I". NOTICE If the engine stops again immediately after starting, or stops in- dependently during operation, this is an indication that a moni- toring element of the automatic shutoff has been activated. -
Page 47: Checking The Oil Level And Adding Oil If Necessary
Only use the fuel specified in chapter 4.3 Fuel, page 23. ▪ The use of fuel that does not meet specifications requires approval by Motorenfabrik HATZ (main plant). Checking the oil level and adding oil if necessary Safety notes CAUTION Danger of burns. - Page 48 Operation and use 2L41C, 2M41, 2M41Z CAUTION Danger of injury Prolonged contact with engine oil can lead to irritation of the skin. ▪ Wear safety gloves. ▪ If there is contact with the skin, thoroughly wash the af- fected areas of the skin with soap and water.
- Page 49 2L41C, 2M41, 2M41Z Operation and use Step Activity Reinsert the dipstick. Pull out the dipstick and check the oil level. If the oil level is close to the min. mark, add engine oil to the max. mark. For the specification and viscosity, see chapter 4.4 Engine oil, page 24.
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Page 50: Maintenance
▪ Problems may occur if unsuitable spare parts have been installed. We cannot accept responsibility for damage and secondary damage that result from this. We therefore recommend the use of genuine Hatz original spare parts. ▪ Closely adhere to the maintenance conditions prescribed in this Operators 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 Maintenance 2L41C, 2M41, 2M41Z 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 Operator’s Manual HATZ...
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Page 53: Maintenance Plan
2L41C, 2M41, 2M41Z Maintenance 2L41C 8.2.2 Maintenance plan The degree of contamination of the fuel, the care with which refueling is per- formed and the soiling on the inside of the fuel tank are decisive in determin- ing the change interval of the fuel prefilter and the fuel filter. - Page 54 Maintenance 2L41C, 2M41, 2M41Z Symbol Maintenance in- Maintenance activity/check Chapter terval Every 250 operat- Change the engine oil (2M41 8.2.5 Change the 250h ing hours and 2M41Z without oil sump, engine oil, page 2L41C in general). Clean the cooling fan, cooling 8.2.6 Cleaning...
- Page 55 2L41C, 2M41, 2M41Z Maintenance Symbol Maintenance in- Maintenance activity/check Chapter terval Changing the oil filter. 8.2.13 Changing the oil filter, page Every 1000 oper- Change the fuel filter. 8.2.14 Changing ating hours the fuel filter, page 76 In new and generally overhauled engines, after 25 operating hours: ▪...
- Page 56 Maintenance 2L41C, 2M41, 2M41Z Overview 2M41 and 2M41Z 2L41C Pos. Designation Intake opening for combustion air Dust outlet opening Cyclone (option) Procedure Step Activity Check the intake opening (1) for coarse contamination such as leaves, heavy dust deposits, etc., and clean if necessary.
- Page 57 2L41C, 2M41, 2M41Z Maintenance 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 58 Maintenance 2L41C, 2M41, 2M41Z 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.
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Page 59: Change The Engine Oil
2L41C, 2M41, 2M41Z Maintenance 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 60 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.
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Page 61: Cleaning The Cooling Fan, Cooling Fins And Oil Cooler
2L41C, 2M41, 2M41Z Maintenance 8.2.6 Cleaning the cooling fan, cooling fins and oil cooler Safety notes 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 62 Maintenance 2L41C, 2M41, 2M41Z CAUTION Damage from inadequate engine cooling. Only operate the engine when all covers are installed. NOTICE In case of heavy contamination, shorten the maintenance inter- vals accordingly (see chapter 8.2.2 Maintenance plan, page 53). Overview — Preparatory activities Pos.
- Page 63 2L41C, 2M41, 2M41Z Maintenance Step Activity Unscrew the baffle plate (1) 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.
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Page 64: Checking The Screw Connections
Blow dry the engine with compressed air. 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. - Page 65 2L41C, 2M41, 2M41Z Maintenance 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.
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Page 66: Changing The Fuel Prefilter
Maintenance 2L41C, 2M41, 2M41Z 8.2.9 Changing the fuel prefilter Safety notes 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 67 2L41C, 2M41, 2M41Z Maintenance Overview Pos. Designation 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.
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Page 68: Maintaining The Dry Air Filter
▪ Four cylinder engines have two filter cartridges. Overview of engine 2L41C Pos. Designation Screw Cover Filter cartridge Air filter housing Spacer Bushing Remove the air filter cartridge - engine 2L41C Step Activity Remove the capsule hood. Operator’s Manual HATZ... - Page 69 2L41C, 2M41, 2M41Z Maintenance Step Activity 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). Cover the opening in the intake pipe to prevent ingress of dirt and other foreign bodies.
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Page 70: Checking And Cleaning The Air Filter Cartridge
Maintenance 2L41C, 2M41, 2M41Z 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 71 2L41C, 2M41, 2M41Z Maintenance Overview — Checking/cleaning the air filter cartridge Pos. Designation 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.
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Page 72: Check And Set The Tappet Clearance
Maintenance 2L41C, 2M41, 2M41Z Pos. Designation Reset button 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 73 2L41C, 2M41, 2M41Z Maintenance Pos. Designation Square opening Hex nut Cylinder head cover 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 74 Maintenance 2L41C, 2M41, 2M41Z Step Activity Continue turning the crankshaft by 180° in the sense of rotation and check the valves of the first cylinder. Overview — Adjusting the tappet clearance Pos. Designation Hex nut Adjusting screw Feeler gauge Procedure — Adjusting the tappet clearance...
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Page 75: Changing The Oil Filter
Activity Release the oil filter with a strap wrench and quickly unscrew and remove it. ▪ HATZ order no. for strap wrench: 620 307 01. Dispose of the old filter in accordance with local environmental regulations. Wipe spilled engine oil out of the oil baffle. -
Page 76: Changing The Fuel Filter
Maintenance 2L41C, 2M41, 2M41Z 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 77 ▪ 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).
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Page 78: Checking That The Air Filter Maintenance Indicator Is Working Properly
Maintenance 2L41C, 2M41, 2M41Z 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 79 2L41C, 2M41, 2M41Z Maintenance 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.
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Page 80: Renewing The Poly V Belt And Checking The Function Of The Switch-Off Unit
Maintenance 2L41C, 2M41, 2M41Z 8.2.16 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 81 2L41C, 2M41, 2M41Z Maintenance Procedure — Removing the poly v belt Step Activity Unscrew one cylinder screw (1) from the pulley (3). Push back the tension pulley (2) and lock it using the cylinder screw (1). Unscrew the pulley (3).
- Page 82 Maintenance 2L41C, 2M41, 2M41Z Step Activity If there is no reaction, please contact the nearest HATZ service station. Overview — Mounting the poly v belt Pos. Designation Switch-off pin Tension pulley Housing Procedure — Mounting the poly v belt Step Activity Slide in the switch-off pin (1).
- Page 83 2L41C, 2M41, 2M41Z Maintenance Overview — Centering the pulley Pos. Designation Cylinder screw 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 a large screwdriver between the hydraulic belt tensioner and pulley and push down until it slides fully into the centering.
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Page 84: Faults
Faults 2L41C, 2M41, 2M41Z Faults Troubleshooting 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... - Page 85 2L41C, 2M41, 2M41Z Faults Type of fault Possible causes Remedy Chapter ing the feed pump for a lengthy period, check that the fuel system is correctly sized. Insufficient com- Check the tappet 8.2.12 pression: clearance and ad- Check and just if necessary.
- Page 86 Faults 2L41C, 2M41, 2M41Z Type of fault Possible causes Remedy Chapter ▪ Oil is too vis- 8.2.5 cous. Change the engine oil, page 59 ▪ Insufficiently Check the battery 3.2.4 Elec- charged battery. and contact the trical equip- service center if ment, page necessary.
- Page 87 2L41C, 2M41, 2M41Z Faults Type of fault Possible causes Remedy Chapter Fuel prefilter is Change the fuel 8.2.9 clogged. prefilter. Changing the fuel pre- filter, page Fuel filter is Change the fuel fil- 8.2.14 clogged. ter. Changing the fuel fil-...
- Page 88 Faults 2L41C, 2M41, 2M41Z Type of fault Possible causes Remedy Chapter switch-off unit, page Mechanical faults. Contact Hatz ser- vice. With automatic Stop signal of mon- Check the engine 7.8 Check- electrical switch-off itoring elements for: ing the oil mechanism...
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Page 89: Emergency Start
2L41C, 2M41, 2M41Z Faults Type of fault Possible causes Remedy Chapter ▪ The speed ad- Block the speed justment lever adjustment. does not stay in the desired posi- tion. The engine loses Dirty air filter unit. Check the degree 8.2.10 Main-... - Page 90 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 91 Eliminate the emergency situation within a few seconds. Switch off the engine. Immediately after the emergency operation phase: ▪ Determine the cause of the fault and eliminate it (see the chapter Troubleshooting). ▪ If necessary, contact your nearest HATZ service station. HATZ Operator’s Manual...
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Page 92: Storage And Disposal
Storage and disposal 2L41C, 2M41, 2M41Z 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 93: Disposing Of The Machine
2L41C, 2M41, 2M41Z Storage and disposal Ambient conditions during storage ▪ Max. permissible storage temperature: -25 °C to +60 °C ▪ Max. permissible humidity: 70% ▪ Protect the engine from direct sunlight Recommissioning Step Activity Remove all covers. Check the cables, hoses and lines for cracks and leak tightness. -
Page 94: Installation Declaration
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=10214; 3L41=10314; 4L41=10414; 4L42=14010; 2M41=10514; 3M41=10614; 4M41=10714; 4M42=14310 satisfies the following basic safety and health protection requirements in acc. -
Page 95: Epa Certified Engines
2L41C, 2M41, 2M41Z EPA CERTIFIED ENGINES EPA CERTIFIED ENGINES SUPPLEMENTAL INFORMATION TO THE OWNER'S MANUAL FOR MODEL YEAR 2016 EPA CERTIFIED NONROAD COMPRESSION IGNITION ENGINES EPA EMISSION CONTROL SUPPLEMENTAL WARRANTY STATEMENT AND EMISSION-RELATED INSTALLATION INSTRUCTIONS HATZ Operator’s Manual... - Page 96 ▪ 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 97 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 98 ▪ 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 99 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 100 ▪ 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 101 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 102 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 103 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 104 ▪ 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-...
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Page 105: 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 106 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 107 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 108 EPA CERTIFIED ENGINES WITHIN CALIFORNIA 2L41C, 2M41, 2M41Z CALIFORNIA Proposition 65 Warning Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects, and other reproductive harm. Operator’s Manual HATZ...
- Page 110 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 13 - 11.2015 - 0.1 Printed in Germany USA - EPA IV CREATING POWER SOLUTIONS.