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TECHNICAL MAINTENANCE

DAILY CHECK AND MAINTENANCE

Check oil level of machine oil whether it is between upper and low limit. Check whether there is oil
leakage phenomenon. Clean up the dirt, greasy dust on the diesel engine and its appendage and keep
the engine clean. Remove malfunction detected during.

REGULAR CHECK AND MAINTENANCE

Regular check and maintenance are very important for normal operation and durability of engine. The
following table indicates what is necessary and when to check the engine. Marks show special tool or
technique is needed for maintenance. Please contact local dealer.

Items                                 Time:

Daily

Initial 1 months or 

20 hours

Initial 3 months or

100 hours

Every 6 months or

500 hours

Every year or 1000

hours

Check and tighten nut and screw

x

Check and fill machine oil

x

Change machine oil

x

(First time)

x

(Second time and

later)

Clean and change oil filter

x

X

(Change)

Check for oil-leakage

x

Change the core of air filter

Cycle of check and maintenance will be

shortened at a dusty place

x

Clean fuel tank

Every month

Clean or change fuel filter

x

(Clean)

x

(Change)

Check nozzle

X

Check injection pump

X

Check pipeline of fuel

x

(Change if

necessary)

Adjust valve clearance of inlet 
and exhaust

X

(First time)

X

Grind valve holder of inlet and 
exhaust

X

Change piston ring

X

Check accumulator liquid

Every month

Clean the core of air filter

x

(Clean) every

month or 50 hours

© by WilTec Wildanger Technik GmbH 

Seite 18 

http://www.WilTec.de
http://www.aoyue.eu
http://www.teichtip.de

Summary of Contents for C173F

Page 1: ...chnical changes reserved Due to further developments illustrations functioning steps and technical data can differ insignificantly Updating the documentation If you have suggestions for improvement or have found any irregularities please contact us by WilTec Wildanger Technik GmbH Seite 1 http www WilTec de http www aoyue eu http www teichtip de ...

Page 2: ...ock we urge that our clients take some basic safety precautions when using this device Please read the operation instructions carefully and make sure you have understood its content Always use a grounded power connection with the appropriate mains voltage You can find the corresponding mains voltage on the type plate If you have any doubts about the connection being grounded have it checked by a q...

Page 3: ...ual please contact us or dealer User should pay attention to that with the improvement of our products the description in this manual may differ from practical products Please make sure to follow each precaution carefully EXHAUST PRECAUTIONS Never inhale exhaust gas it contains carbon monoxide a colorless odorless and extremely dangerous gas which can cause unconsciousness or death Never operate t...

Page 4: ...tion even with a maximum oil level Be careful of fuel spillage when transporting the engine Tighten the fuel tank cap securely and close the fuel strainer cock before transit If the engine will be transported over a long distance or on rough roads drain fuel off from fuel tank to prevent fuel leakage PRE OPERATION CHECKS Carefully check fuel pipes and joints for looseness and fuel leakage Leaked f...

Page 5: ...TECHNICAL PARAMETERS by WilTec Wildanger Technik GmbH Seite 5 http www WilTec de http www aoyue eu http www teichtip de ...

Page 6: ...e size of axle wheel of the equipped machine Otherwise it will directly influence working condition of diesel engine the life of the engine and the efficiency of working machine The diameter of driving wheel belt wheel can be calculated as follow Diameter of engine driving wheel Diameter of axle wheel of working machine x Speed of working machine Diesel Speed 5 Be sure that belt is tightened prope...

Page 7: ...table options Note the value of L is shown in figure below Please contact us or dealer if you have any questions TILT The tilt must be kept within the allowed value shown Output shaft tilt Allowed tilt continuous running Engine tilt Allowed tilt continuous running by WilTec Wildanger Technik GmbH Seite 7 http www WilTec de http www aoyue eu http www teichtip de ...

Page 8: ...CONNECTION DIMENSIONS SIZES OF OUTPUT SHAFT MODEL SPLINE SHAFT TAPER SHAFT SIZES OF PTO FLANGES by WilTec Wildanger Technik GmbH Seite 8 http www WilTec de http www aoyue eu http www teichtip de ...

Page 9: ...GINE PARTS OPTIMAL ENGINE SETTINGS VALVE OPEN AND CLOSE PHASE UNIT CA FUEL SUPPLY ADVANCE ANGLE UNIT CA VALVE CLEARANCE UNIT mm by WilTec Wildanger Technik GmbH Seite 9 http www WilTec de http www aoyue eu http www teichtip de ...

Page 10: ...round the engine and the place for installa tion should be plain and ventilated Do not touch muffler with your hand when the engine is running or just after it has stopped The diesel engine must be run under rated power and rated speed If you detect abnormal phenomenon stop the engine immediately to check and remedy New engine or newly maintained one must be run at low speed and low load at first ...

Page 11: ...CHOICE OF FUEL LUBRICANT AND PREPARATION BEFORE START by WilTec Wildanger Technik GmbH Seite 11 http www WilTec de http www aoyue eu http www teichtip de ...

Page 12: ...ithin the first 20 working hours If it is overloaded its life span will be shortened Change the machine oil regularly by WilTec Wildanger Technik GmbH Seite 12 http www WilTec de http www aoyue eu http www teichtip de ...

Page 13: ...L ENGINE RECOIL START NOTE WHEN THE ENGINE IS RUNNING DO NOT PULL THE RECOIL HANDLE OTHERWISE THE ENGINE MAY BE DAMAGED by WilTec Wildanger Technik GmbH Seite 13 http www WilTec de http www aoyue eu http www teichtip de ...

Page 14: ... by WilTec Wildanger Technik GmbH Seite 14 http www WilTec de http www aoyue eu http www teichtip de ...

Page 15: ...oltage of accumulator will drop and the motor may be damaged Keep key switch at ON position when the engine is running ACCUMULATOR OPTIONS Check the liquid level in accumulator every month if the level is lower than the low limit mark refill dis tilled water up to the upper limit mark If the liquid in the accumulator is not enough the electric motor will not run for too little electric current So ...

Page 16: ... engine parts RUNNING AND STOPPING THE DIESEL ENGINE RUNNING THE ENGINE 1 Preheat the machine for three minutes at no load 2 Set the speed governor lever of the engine at required speed position Use the speed gover nor lever to control the speed of engine Do not loosen or readjust the limit screw of speed or oil filling limit screw otherwise the performance of the machine may be changed CHECKS WHI...

Page 17: ...el cock at S Stop position 4 If the engine possesses motor type starter turn the start key switch to off position 5 Pull out the recoil handle slowly until pressure is felt by your hand that means at the point of compression stroke where the intake and exhaust valves are closed and then let the handle back to its natural position so that it can prevent rust when the engine is not used NOTE Only af...

Page 18: ... Initial 3 months or 100 hours Every 6 months or 500 hours Every year or 1000 hours Check and tighten nut and screw x Check and fill machine oil x Change machine oil x First time x Second time and later Clean and change oil filter x X Change Check for oil leakage x Change the core of air filter Cycle of check and maintenance will be shortened at a dusty place x Clean fuel tank Every month Clean or...

Page 19: ... instead The core of filter obstruction means that the air in combustion chamber will decrease and the output of engine decreases and consumption of fuel and lubricant increases It is also difficult to start the en gine Clean the core of filter regularly by WilTec Wildanger Technik GmbH Seite 19 http www WilTec de http www aoyue eu http www teichtip de ...

Page 20: ...n point and then pull the recoil starter two or three times FOR MOTOR DRIVEN START Keep the decompression lever at non compression point and let the engine rotate for two or three seconds with the start key switch on start position Do not run the engine 5 Pull up the decompression lever and pull out recoil starter slowly until the resistance is felt by your hand that is at the point of compression...

Page 21: ... Diesel fuel is too little in the fuel tank Fill the fuel into the fuel tank If the fuel pipe and fuel are obstructed or leaky remedy them Compression pressure is not enough in the cylinder the nut of cylinder head is not tighten or gas ket of cylinder is damaged or leaky Tighten the nut of cylinder head according to diagonal line se quence and standard requirement check gasket of cylinder if chan...

Page 22: ...hometer Adjust the ad just high speed limit screw ENGINE STOPPING AUTOMATICALLY CAUSE SOLUTION Malfunction of fuel system No fuel Add fuel Fuel pipeline of filter is obstructed Maintain or clean There is air in fuel system Drain out the air Needle valve of nozzle adhered Clean grind the nozzle or change it if necessary Air filter is obstructed Maintain or brush off The load increases suddenly Decr...

Page 23: ... SMOKE CAUSE SOLUTION There is water in diesel fuel Clean the fuel tank and diesel filter change diesel fuel OTHER POSSIBLE PROBLEMS CAUSE SOLUTION Speed is sometimes high someti mes low Check the speed governor system whether it is nimble Whether there is air in fuel pipeline Abnormal sound suddenly ap pears Check each motional part carefully Exhaust with black smoke sud denly Check fuel system e...

Page 24: ...ackaging points out that this article must not be treated as normal household waste but must be disposed to a recycling collection point for electronic and electrical waste equipment By contributing to the correct disposal of this article you protect the environment and the health of your fellow men Environment and health are threatened by inappropriate disposal Materials recycling helps reduce th...

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