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Operation & Maintenance Manual and User Service Guide 

 

 

 

Foreword 

WP7  Euro 

  vehicle  diesel  engines  are  developed  based  on  a  new  design 

concept  and  meet  the  Euro 

  emission  standard.  WP7  diesel  engines  feature 

compact structure, reliable operation, high economy indexes and power performance, 
quick startup, easy operation and convenient maintenance and are the ideal power for 
the middle/heavy-duty trucks and middle/large buses.   

This  manual,  as  reference,  describes  methods  of  operation  and  maintenance, 

inspection essentials and service guide for WP7 diesel engines. 

To make best use of WP7 diesel engines, users are expected to carefully read and 

learn  the  diesel  engine  structure,  maintenance  and  operation  methods.  The  diesel 
engine service life can be significantly prolonged if the users can follow this manual 
during maintenance.   

With the increasing numbers and improving of the variants of WP7 vehicle diesel 

engines,  users  are  expected  to  timely  pay  attention  to  the  technical  information 
released  by  Weichai.  Any  revision  will  not  be  notified  in  advance.  For  more 
information about new products, please visit   

http://en.weichai.com

 

March. 2014 

Summary of Contents for WP7 Euro VI

Page 1: ...Operation Maintenance Manual and User Service Guide WP7 Euro Vehicle Diesel Engine Operation Maintenance Manual and User Service Guide 610800820289...

Page 2: ...operation and maintenance inspection essentials and service guide for WP7 diesel engines To make best use of WP7 diesel engines users are expected to carefully read and learn the diesel engine structu...

Page 3: ...order to make sure the normal operation of the SCR processor please add urea solution produced by formal manufactures timely It is forbidden to use urea solution mixed privately or other solutions ot...

Page 4: ...efore being added 5 If the diesel engine fails to start within 15s repeat after at least 2 min 6 It is prohibited to fill the diesel engine with water rather than antifreeze which could greatly reduce...

Page 5: ...4 1 7 Some Common Products of Weichai Power Special Oils 5 1 8 Corresponding table between the Weichai Power special oil and engine models 5 1 9 How to select proper viscosity 6 1 10 Auxiliary materi...

Page 6: ...Operation Maintenance Manual and User Service Guide WP7 Euro diesel engine outside view...

Page 7: ...ompany Diesel Base Parameter the Parameter of WP7 Euro diesel engine Model Unit WP7 270E61 Type 6 cylinder Inline Intake TDI Bore Journey mm mm 108 136 displace L 7 47 Rated power speed kW r min 199 2...

Page 8: ...Service Guide Tools and equipments torque wrench sleeve wrench adjusted wrench depth gauge micrometer piston ring plier dial indicator screwdriver copper hammer orientation sleeve pressure oil spot f...

Page 9: ...ould meet the standard in appendix C 6 of national standard GB 17691 2005 1 2 Lubricating oil 1 2 1 For WP7 Euro series diesel engines use oil with higher grade than CI 4 or CJ 4 1 2 2 It is allowed t...

Page 10: ...e formulation please refer to the instruction of antifreeze Some domestic long lasting antifreezes are shown in Table 1 2 Table 1 2 Domestic long lasting antifreeze Item Grade JFL 318 JFL 336 JFL 345...

Page 11: ...an be increased by 3 500 7 000km 10 000km for CH 4 excellent oxidation resistance at high temperature and excellent TBN retention will also prolong the engine life 1 5 3 Professional protection to ext...

Page 12: ...adopt the imported high quality composite additive Domestic additive Performance With targeted professional formulation the special oil features good lubricating and cleaning performance and effective...

Page 13: ...ngine models Type Special oil grade Applicable engine models High speed diesel engines and high power medium speed diesel engines WP E1 CD Medium speed diesel engine sets WP E2 CF 4 China I and China...

Page 14: ...ite 242 Blue Coated on the threads and outside surface of bearings to prevent against any potential looseness due to vibration with medium strength 3 Loctite 262 Red Coated on the outside surface of t...

Page 15: ...goods transport Annual mileage is longer than 60 000 km long distance transport Table 2 2 Intervals for 1st inspection regular inspection and maintenance Working condition Item WG I WG II WG III 1st...

Page 16: ...leage less than 60 000 km Annual mileage longer than 60 000 km 1st inspection Having traveled for 1 000 2 000km Having traveled 1 500 2 000 km Having traveled 1 500 2 000 km P Every 5000km Every 10 00...

Page 17: ...or lower than 10 B Sulfur content of fuel 0 5 1 0 C Sulfur content of fuel 1 0 1 5 Oil working condition Working condition Normal condition WG I WG II WG III Every 5 000 km Every 10 000 km Every 15 0...

Page 18: ...el 4 maintenance Change oil at least once per year Replace the oil filter element Each time when changing diesel engine oil Inspect and adjust the valve clearance Replace filter element of the fine fu...

Page 19: ...sh the air filter main element When the indicator is on Replace the air filter main element Please refer to related regulations in the vehicle instruction manual Replace the air filter safety element...

Page 20: ...ary 2 There is air in the fuel system Check the tightness of fuel pipes and the joints check if the bleed screw is tightened release the air 3 Fuel is of poor quality containing too much water Wash th...

Page 21: ...nsure good sealing performance 3 5 Dark smoke in the exhaust Causes Troubleshooting 1 Air inlet is blocked or exhaust back pressure is high Check the inlet and exhaust pipe to ensure the pipes are not...

Page 22: ...nd repair 5 Low compression pressure incomplete combustion or cylinder scuffing Check the piston ring cylinder liner and cylinder head gasket and repair them 6 Poor running in between piston rings and...

Page 23: ...lack of oil Check the oil level and leakage repair and add oil 2 Failure of pressure regulator in the main oil passage Check clean and repair the valve 3 Oil strainer oil pipe joint gaskets are blocke...

Page 24: ...Troubleshooting 1 Unqualified or damaged air filter element Check replace with a qualified element 2 Short circuit of the air inlet system Check the air inlet pipe gasket connecting sleeve repair or...

Page 25: ...broken Check and replace the damaged parts 9 Cylinder liner or piston is worn or scuffing Check repair or replace 10 Push rod is bent or broken Replace 11 Piston ring is broken or worn Replace 12 Bea...

Page 26: ...open or short circuit or grounded Repair or replace the assembly 3 Rectifier tube is damaged Replace the assembly 4 The paper insulation of the terminal post is damaged the wire is disconnected Repair...

Page 27: ...oor grounding of adjuster Repair 4 Contact failure or contamination of adjuster the voltage coil or resistor wire is open Repair or replace 3 17 Abnormal generator sound Causes Troubleshooting 1 Impro...

Page 28: ...solution level Causes Troubleshooting 1 Liquid lever sensor of urea solution tank is failure Check and replace 3 20 Urea crystal appear at the nozzle position on the exhaust pipe Causes Troubleshootin...

Page 29: ...ase of any failure please timely contact with the Weichai Maintenance Center or Customer Service Center and we will delivery effective service on time Service Registration Form should be filled by the...

Page 30: ...on Form filled by the service staff Item Content Item Content Model User s name Order No Zip code Number Address Purchasing date Office phone Dealer Home phone Service Center Name Date Maintenance ite...

Page 31: ...e manual for the specific requirements Carry out 50h test run before normal using of the new engine After cold start of the diesel engine increase the speed slowly do not speed up suddenly or idling f...

Page 32: ...hing parts once they are mounted on the engine For quality problems of basic parts during within three guarantee period after site confirming and getting effective photos by service personnel of stati...

Page 33: ...sistent to that claimed to be guaranteed by Three guarantees or the Three guarantees certificate or invoice is modified The original state of damage is not kept causing that the reason of fault cannot...

Page 34: ...r air bottle thrust plate strainer dipstick component coolant nozzle and etc Same with the three guarantees period of the diesel engine 3 Common parts Front oil seal and other oil seals turbocharger i...

Page 35: ...281212562558 18953611016 23 Zhang 0063 9053389899 13695368355 philippinesweichai gmail com 24 Liu Ningyu 006309327870038 Cebu 18953658101 25 Xu Hongluan 00601123525072 13864627796 26 Li Xinlong 006011...

Page 36: ...3633170 65 Fu Yongsheng 00244924771275 13696363763 66 Du Wenchao 00244934192717 15165600735 67 Yan 18606365360 68 Song Zhiping 13678660757 69 Hou Jie 18953610203 70 Yu Qianjun 00234 8109983128 1516536...

Page 37: ...ervice Guide 29 The European Union representative office office address Societe international des Moteurs Baudouin CS50001 FR 13711 Cassis France Linkman Zhang Guoping Paul Zhang Mobile in China 00861...

Page 38: ...r Official seal of service station Signature of user Valid documentation Phone Weichai Power special oil label Friendly reminder The mandatory maintenance card should be filled out triplicate and must...

Page 39: ...te Identifier Official seal of service station Signature of user Valid documentation Phone Weichai Power special oil label Friendly reminder The mandatory maintenance card should be filled out triplic...

Page 40: ...te Identifier Official seal of service station Signature of user Valid documentation Phone Weichai Power special oil label Friendly reminder The mandatory maintenance card should be filled out triplic...

Page 41: ...gine documents Delivery time Diesel engine service quality Service promptness Service quality Service attitude Others Customer cancellation Return of products Additional transportation Other opinions...

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