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1

ǃ

After the product equipped with Weichai diesel engine sold, the 

sales contract information should be input to Weichai CRM system by the 
dealer 

˄

or agent

˅

in time according to the requirements of Weichai, the 

date of sale is the date of regulating finished for the diesel engine. If the 
guarantee service of the engine is needed, the starting date of guarantee 
should be according to the sales time stated in sales contract.

2

ǃ

If failure to input to sales contract, the purchase invoice should be 

provided by user and the starting date of guarantee is the date stated in 
invoices.

3

ǃ

If failure to input to sales contract and the purchase invoice can not 

be provided by user, the starting date of guarantee should be as follows:

For  the  marine 

˄

generating

˅

  engine  set  or  single  engine,  the 

guarantee  starts  from  1  month  after  they  have  been  delivered  from 
Weichai warehouse.

4

ǃ

So as the loss which been caused by the dealer 

˄

or agent

˅

who 

failed to input the sale contract in time according to the requirements of 
Weichai, the dealer 

˄

or agent

˅

should bear the loss of users and related 

responsibility. 

Explanation for Starting Date of Engine Guarantee

Operation and Maintenance Manual and Service Manual

of WP12C Series Marine Diesel Engine

Summary of Contents for WP12C350

Page 1: ......

Page 2: ...the starting date of guarantee is the date stated in invoices 3 If failure to input to sales contract and the purchase invoice can not be provided by user the starting date of guarantee should be as...

Page 3: ...s strictly forbidden to disassembling and collision or the guarantee becomes invalid There are strict requirements on torque and turned angle for main bearing bolt and connecting rod bolt of diesel en...

Page 4: ...d at idling for a long time After running at high load do not stop the engine immediately and run the engine at low speed and with no load for 5 10 min and then stop the engine 5 After the engine is s...

Page 5: ...g System 6 2 5 Precautions for Installation of Diesel Engine Front End Output 7 Table 1 Main technical parameters of WP12C marine diesel engine CHAPTER 2 PRECAUTIONS FOR INSTALLATION OF WP12C SERIES M...

Page 6: ...fs pg dzmjoefst Dzmjoefs cpez usbwfmjoh tdifevmf 56 921 2 6 4 7 3 5 Tfb gsfti xbufs evbm dzdmf Fmfdusjdbm Tubsujoh 786 3278 2969 2 5 331 321 1 4 21 711 61 2311 61 316 2659 3211 2911 2611 474 436 393 4...

Page 7: ...consumption reduced by 3 8 6 Protecting environment low ash low sulphur and low phosphorous The ash content is controlled within 1 0 in order to extend the life of Diesel Particulate Filter DPF the s...

Page 8: ...to connecte the diesel engine with gear case and after coupling is butt joined no axial force is allowed to act on the diesel engine crankshaft otherwise it will damage the thrust washer of diesel en...

Page 9: ...or WP12C Series Marine Diesel Engine The correct maintenance and service is an important link to ensure proper and reliable operation of diesel engine and to prolong the service life of diesel engine...

Page 10: ...air filter element Check fastening V belt Check fuel injection pump in special workshop Adjust idle speed Note Mark indicates maintenance required diesel to run and use a high pressure gun with inlet...

Page 11: ...with anti freeze additive It is forbidden to add sea water into cooling system 3 6 2 Check and Preparation Prior to Starting 1 Check the coolant level The cooling level can be seen through glass insp...

Page 12: ...conomy is the optimist with the engine medium speed ranging from 60 to 90 of rated speed B The engine power is increased with increase of the speed the rated power reaches at rated speed C Carry out t...

Page 13: ...as failed please contact Weichai Maintenance and Service Center or Weichai User Service Center as soon as possible We will offer effective service to you timely Maintenance Record Table should be fill...

Page 14: ...ld be settled for more than 72 hours 3 The principle and stipulation of warranty service The principle of warranty Service The engine purchased by users or fitted on other machinery in case of using a...

Page 15: ...er body oil filter body muffler thrust plate suction filter idle speed boost oil dip rod tube cooling oil nozzle front and various other oil seals turbocharger intake pipe gasket exhaust pipe gasket t...

Page 16: ...code User Mobile Phone Distributor Telephone Engine Order No Purchased Date Content Item Content Service Centre Date warranty Item Parts Changed Quantity Signed by Service Member Signed by User Constr...

Page 17: ...o C e t o N k r t c e j o r P m e t I Very satisfying satisfying Acceptable Dissatisfying Disappointing t c e j b o f o y t i l a u Q e c n a r a e p p A e c n a m r o f r e P y t i l i b a i l e R e...

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