Hatz 2 - 4 L 41 Instruction Book Download

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INSTRUCTION BOOK

433 402 07 - ENG - 06.08 - 2

Printed in Germany

2 - 4 L 41 C
2 - 4 M 41.
4 L 42 C
4 M 42

Summary of Contents for 2 - 4 L 41

Page 1: ...INSTRUCTION BOOK 43340207 ENG 06 08 2 Printed in Germany 33 2 4L41C 2 4M41 4L42C 4M42...

Page 2: ...ied specialists To this effect we recommend that you consult one of the 500 HATZ service stations There your engine is repaired by staff who constantly undergo training and who use both original HATZ...

Page 3: ...ing fins and oil cooler 26 5 3 3 Checking threaded connections 28 5 3 4 Cleaning of mesh insert in exhaust pipe 28 5 3 5 Check water trap 29 5 4 Maintenance every 500 hours of operation 29 5 4 1 Repla...

Page 4: ...o sparks forming and must be avoided as a potential fire hazard Rotating parts must be shielded so that they cannot be touched accidentally when the engine is in stalled in other equipment or machiner...

Page 5: ...ing Please don t wear necklaces bracelets or any other things which you could get caught with Please pay attention to all advice and warning stickers placed on the engine and keep them in legi ble con...

Page 6: ...ng Access to fan drive belt 8 Engine support feet 9 Oil drain plug 10 Cover plate control side 11 Side panel 12 Air outlet duct 13 Capsule hood 14 Suspension lug retractable max load 5000 N 15 Air int...

Page 7: ...elt 8 Engine support feet 9 Oil drain plug 10 Cover plate control side 11 Side panel 12 Air outlet duct 13 Capsule hood 14 Suspension lug retractable max load 5000 N 15 Air intake duct for capsule 16...

Page 8: ...g 8 Speed control lever 9 Replaceable element oil filter 10 Oil drain plug if sump is fitted 11 Cooling air duct for engine oil cooler 12 Access cover for fuel delivery pump 13 Cylinder head cover 14...

Page 9: ...ceable element oil filter 10 Oil drain plug if sump is fitted 11 Cooling air duct for engine oil cooler 12 Fuel filter 13 Cylinder head cover 14 Air cleaner cover 15 Suspension lug max load 5000 N 16...

Page 10: ...f fuel consumption oil after running in period at full load Direction of rotation Counterclockwise looking at flywheel Valve clearance at 10 30 C Inlet exhaust mm 0 10 Net weight M41 258 308 373 M41 Z...

Page 11: ...minimum engine load of 15 If operated at such low loads it is best to operate the engine at a significantly high er load for a short period before switching it off 3 5 Type plate 5 The type plate is p...

Page 12: ...1 Oil viscosity 6 Choose a suitable oil viscosity according to the ambient temperature when the engine is started from cold 40 30 20 10 0 10 20 30 40 50 104 86 68 50 32 14 4 22 40 OIL SAE C F 5W 30 5W...

Page 13: ...ld start a fire Don t smoke Use only pure fuel and clean filling equipment Take care not to spill fuel All diesel oils sold as fuel and complying with the following minimum specifications can be used...

Page 14: ...This may result in clogging of the fuel system Thus winter fuel must be used at out side temperatures below 0 C or petroleum must be added in time 4 2 Starting Do not run the engine in closed or badl...

Page 15: ...I by itself and remain in this position during operation The battery charge telltale and oil pressure warning must go out immediately after start ing Indicator light 1 is on when the engine is in oper...

Page 16: ...short flashes approx 0 5 seconds and 1 long flash approx 1 5 seconds The flashing code indicates that the air cleaner must be cleaned or replaced chapter 5 4 2 For troubleshooting regarding other fla...

Page 17: ...oon as the emergency start lever is in the starting position the engine can be started again 3 2 START Important If the emergency start lever is used the automa tic shutdown system ceases to operate a...

Page 18: ...e freely 2M41 two cylinder engines Turn the decompression lever to position 2 Figure 18 L3 2 3M41 three cylinder engines 20 Turn the decompression levers for cylinders 1 and 3 counting from the fan en...

Page 19: ...ip 1 with both hands Figures 21 and 22 Turn the handle slowly at first until the pawl engages in the ratchet then increase turning force to build up speed The highest speed must have been reached by t...

Page 20: ...out of reach of un authorized persons Engines with electric starter 23 Move the speed control lever to the stop posi tion the engine will be shut down 24 Turn the starter key to the 0 position and pul...

Page 21: ...f operation Every 1000 hours of operation Check oil level Check combustion air intake area Check the cooling air system Engine oil change 2M41 without sump 2 4L41C and 4L42C in general Clean fan cooli...

Page 22: ...2M41 without oil pan 2M41 with oil pan 3 4M41 and 4M42 in all cases 21 25 26...

Page 23: ...llowing work is essential on new or reconditioned engines after the first 25 hours of operation Change the engine oil and renew the oil filter element Chapter 5 3 1 and 5 4 5 Check valve clearances an...

Page 24: ...a sign that the air con tains a high level of dust and that the mainte nance intervals should be shortened accordingly Chapter 5 4 2 1327 2 L3 47 M AX M IN 1 29 30 Inspect intake opening 1 on the rain...

Page 25: ...in the mechanical maintenance indicator Figures 31 and 32 Chapter 5 4 2 1 L3 78 2 1 2 3 4 5 6 On 4L42 C and 4M42 engines 33 Increase the engine speed briefly to maximum level and watch out for the pi...

Page 26: ...L42C and 4M42 is lit as soon as the cylinder head temperature is inadmissibly high or the exhaust gas recirculation valve is faulty Fig 33 Stop the engine immediately and eliminate the cause as descri...

Page 27: ...en check the oil level again and top up if necessary 1 L3 45 A 2 2 1 L3 28 5 3 2 Cleaning cooling fan cooling fins and oil cooler Before cleaning the engine must be stopped and allowed to cool down On...

Page 28: ...ally clean alternator and regulator Shield the alternator with attached voltage regulator do not spray it directly Clean the complete area with a suitable deter gent solution in accordance with its ma...

Page 29: ...e tightened or adjusted 5 3 4 Cleaning of mesh insert in exhaust pipe additional equipment Exhaust system components will natu rally be hot and must not be touched while the engine is running or until...

Page 30: ...e If finally only fuel leaves through the port the drain plug 1 can be closed again Subsequently re tighten plug 2 Note If starting appears difficult bleed the injection system using the manual fuel p...

Page 31: ...If starting appears difficult bleed the injection system by means of the manual fuel pump Chapter 4 1 2 L3 46 2 1 5 4 2 Air cleaner maintenance It is best to clean the filter cartridge two pcs on fou...

Page 32: ...ner area Slacken off screws 3 only sufficiently to enable cover 4 with the filter element to be lifted off Blank off the intake pipe opening with cloths so that dirt or other foreign bodies cannot ent...

Page 33: ...ainst the light or shine a lamp through it to detect any cracks or other damage to the paper ele ment Important If there is the slightest damage in these areas the filter cartridge should not be re us...

Page 34: ...case at the flywheel or timing gear end 1 L3 50 Adjusting method for two cylinder engines 51 The valves in cylinder 1 at the fan end must be in the overlap position exhaust valve not yet closed inlet...

Page 35: ...Run the engine briefly and check that the cover is not leaking at the cylinder head L3 52 3 2 1 5 4 4 Engine oil change see Chapters 5 3 1 and 5 1 5 4 5 Renewing oil filter Risk of scalding from hot...

Page 36: ...n the engine and should be reduced to 500 hours if necessary Renewing the fuel filter on 2 4L41C and 2 4M41 engines 54 Push on strap wrench 1 and unscrew the replaceable filter element by turning to t...

Page 37: ...n the fuel 1 58 Release the fuel filter using a strap wrench or a similar tool and remove it 59 Slightly grease the seal 1 of the new replace able cartridge filter Assemble replaceable cartridge filte...

Page 38: ...de trim see Chapter 2 Electric maintenance switch 60 Turn switch key to position I 0 61 Pull hose 2 off air intake pipe and build up a strong vacuum at the open end 62 Indicator light 5 will come on I...

Page 39: ...hout delay 1 L3 78 2 6 2 Renewing fan drive belt checking operation of belt monitor 64 Remove one machine screw at belt pulley 1 Press back tensioning pulley 2 and lock it with the machine screw provi...

Page 40: ...ading or else automatic shutdown will not take place if the belt breaks Installing the fan drive belt 66 Push in shutdown pin 1 2 1 3 L3 67 1 2 3 L3 65 Push piston with tensioning pulley 2 into housin...

Page 41: ...n diameter on various engine types and versions Poly V belts of differing lengths are fitted Note In order to be sure of avoiding mistakes con cerning the length of Poly V belts when ordering them it...

Page 42: ...g conditions Lever must remain fixed in this position Add fuel Prime the delivery pump until fuel is heard to flow back through the return line to the fuel tank Check through the entire fuel supply sy...

Page 43: ...ugh in the start direction Engine not decoupled from machinery Fuel pre filter or main fuel filter blocked Fuel supply is interrupted See workshop manual Pull off fuel return line and check that clear...

Page 44: ...onnections defective alternator defective relay Poor fuel supply tank is running dry fuel pre filter or main fuel filter blocked inadequate fuel tank venting leaks at fuel line connections speed contr...

Page 45: ...rs not operating correctly Engine oil level is too high Inadequate cooling contamination at some point in cooling air supply missing or loose air guide plates or sections of capsule Check degree of ai...

Page 46: ...indicator light without delay Do not take the key out while the engine is running Never disconnect the battery while the engine is running Electric voltage peaks can cause damage to electronic compon...

Page 47: ...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...

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