NY/T 1543-2007 Fuel Injection Pump Repairer NY/T1543-2007 Standard download decompression password: www.bzxz.net
This standard specifies the terms and definitions, basic occupational requirements and work requirements of the fuel injection pump repairer. This standard applies to the occupational skills assessment of fuel injection pump repairers.

ICS 03.100.30
Agricultural Industry Standard of the People's Republic of China
NY/T 1543—2007
Injection Pump Repairer
2007-12-18 Issued
2008-03-01 Implementation
Issued by the Ministry of Agriculture of the People's Republic of China
This standard is proposed and approved by the Personnel and Labor Department of the Ministry of Agriculture. Drafting unit of this standard: Vocational Skills Appraisal Guidance Station for Agricultural Machinery Industry of the Ministry of Agriculture. The main promoters of this standard: Wen Fang, Xia Haichao, Sun Yanling, Zhang Tianyi, Tong Hongxin. NY/T1543—2007
1 Scope
Injection pump repairman
Substandard specifies the professional terms and definitions, basic occupational requirements and work requirements of injection system repairman. This standard is applicable to the occupational skills appraisal of injection pump repair personnel. 2 Terms and definitions
The following terms and definitions apply to this standard. 2.1
Injection pump repairman
NY/T 1543-2007
A person who uses tools, tools and special repair equipment to repair and adjust the diesel engine high-pressure injection pump and injector assembly to meet the specified technical performance requirements.
3 Occupational Overview
3.1 Occupational Level
This occupation has four levels, namely primary (national occupational qualification level 5), intermediate (national occupational qualification level 4), senior (national occupational qualification level 3), and technician (national occupational qualification level 2). 3.2 Occupational environment conditionsWww.bzxZ.net
Indoor, normal temperature, noise.
3.3 Occupational ability characteristics
Have observation, judgment and reasoning abilities, good vision, hearing and movement coordination 3.4 Basic education level
Graduate from junior high school.
3.5 Training requirements
3.5.1 Training period
The education and training period of full-time vocational schools shall be determined according to their training standards and teaching plans. Promotion training period: 360 standard hours for junior juniors; not less than 300 standard hours for intermediates: not less than 200 standard hours for seniors; not less than 120 standard hours for technicians. 3.5.2 Training teachers
Have professional knowledge of fuel injection pump repair, practical operation skills and teaching experience, and have corresponding professional qualifications or professional and technical job qualifications.
The training teachers of junior personnel shall have professional qualifications above senior level of this occupation or professional and technical job qualifications of junior and above related majors.
: 2) Trainers for intermediate and senior personnel: should have professional qualification of technician or above in this profession or professional and technical qualification of intermediate and above in related professions:
3) Trainers for technicians should have professional qualification certificate of technician for this profession for more than 2 years or professional and technical qualification of senior in related professions.
3.5.3 Training venues and equipment
Training classrooms and injection pump test rooms: equipped with injection pump test bench, workbench, measuring tools, tools and professional disassembly and assembly tools:
NY/T1543—2007
3.6 Appraisal requirements
3.6.1 Applicable objects
Persons engaged in (or preparing to engage in) this profession. 3.6.2 Application conditions
Level (meet one of the following conditions)
1) Have completed the required hours of formal training for this occupation and obtained a graduation certificate. 2) Have worked in the industry for more than 2 years.
Intermediate (meet one of the following conditions)
1) After obtaining the junior professional qualification certificate for woodworking: Continue to work in this occupation for more than 1 year: After completing the required hours of formal training for the intermediate level of this occupation and obtained a graduation certificate; 2) After obtaining the junior professional qualification certificate for this occupation, continue to work in this occupation for more than 3 years; 3) Have been engaged in woodworking for more than 4 years, and completed the required hours of formal training for the intermediate level of this occupation and obtained a graduation certificate.
Have been engaged in this occupation for more than 6 years.
Obtain a graduation certificate for this major from a secondary or higher vocational school with intermediate skills as the training target, which has been reviewed and approved by the competent department.
Senior (meet one of the following conditions)
1) After obtaining the intermediate vocational qualification certificate of this occupation, continuously engaged in this occupation for more than 2 years: received the required number of hours of senior formal training in this occupation, and obtained a graduation certificate. 2) After obtaining the intermediate vocational qualification certificate of this occupation, continuously engaged in this occupation for more than 4 years. 3) After obtaining the advanced formal training of this occupation for more than 9 years, and obtained a graduation certificate.
Obtained a bachelor's degree certificate from a senior technical school or a higher vocational school approved by the competent department with the goal of cultivating advanced skills.
Obtain a diploma of this major or related majors above the junior college level, complete the required number of hours of formal training in this profession, and obtain a graduation certificate. 5)
Obtain a diploma:
After obtaining a diploma of this major or related majors above the junior college level, continuously engage in this occupation for more than 2 years. 6)
Technician (meet one of the following conditions)
1) After obtaining a senior professional qualification certificate for this profession, continuously engage in this occupation for more than 1 year, complete the required number of hours of formal training for technicians in this profession, and obtain a graduation certificate. After obtaining a senior professional qualification certificate for this profession, continuously work in this occupation for more than 6 years. 2
Graduates of this major from senior technical schools or higher vocational schools, graduates of this major or related majors above the junior college level, after obtaining a senior professional qualification certificate for this profession, continuously engage in this occupation for more than 2 years. 3
3.6.3 Identification method
The identification of this profession is divided into two parts: theoretical knowledge test and skill operation assessment. The theoretical knowledge test adopts a closed-book written test, and the skill operation assessment adopts on-site actual operation. The scores of both tests (assessments) are based on a 100-point system, and a pass score of 60 points is required for all items. A comprehensive review is also required for technician qualification.
3.6.4 Ratio of examiners to candidates
The ratio of examiners to candidates for the theoretical knowledge test is 1:20, but there are no less than 2 examiners in each examination room; the ratio of examiners to candidates for the skill operation assessment is 1:5, but there are at least 3 examiners in each examination room: there are no less than 3 comprehensive review committee members. 3.6.5 Identification time
The theoretical knowledge test is 120 minutes; the skill operation assessment is determined according to the requirements of the test questions, but it should be no less than 90 minutes. 2
NY/T 1543—2007
3.6.6 Appraisal site and equipment
Theoretical knowledge examination is conducted in a standard classroom; skill operation assessment is conducted in a place with a fuel injection system test bench, workbench, measuring tools, tools and professional disassembly and assembly tools.
4 Basic requirements
4.1 Professional ethics
4.1.1 Basic knowledge of professional ethics
Professional code
Abiding by laws and regulations: Honesty and trustworthiness.
Ensure quality and fair competition.
Civile hospitality and quality service.
Study technology and abide by regulations.
Safe production and environmental protection.
4.2 Basic knowledge
Basic knowledge of machinery
Common legal measurement units and conversion relationships in mechanical engineering. Drawing recognition knowledge.
Basic knowledge of tolerance and fit.
Common oil brands, properties and uses.
Types, specifications and uses of standard parts such as bearings, oil seals and bolts. Knowledge of the use of common tools and gauges.
Basic knowledge of diesel engines
Basic structure and function of diesel engines.
Working process of diesel engines.
The components and functions of diesel engine combustion system. Types and basic structures of fuel injection pump assemblies
Types and basic structures of suona.
Basic knowledge of fuel injection pump repair equipment and facilities Basic structure and function of fuel injection pump test bench. Basic structure and function of fuel injector tester. Basic requirements for fuel injection pump repair operations
Knowledge of safe and civilized production and environmental protection
Safe production requirements.
Knowledge of safe use of electricity and labor protection.
Knowledge of environmental protection.
4.2.5 Knowledge of relevant laws and regulations
1) Knowledge of the product quality law.
2) Knowledge of mechanical maintenance regulations.
5 Work requirements
The skill requirements for junior, intermediate, senior and technicians in this standard are progressive, and the higher level covers the requirements of the lower level.1 Primary level
NY/T 1543—2007
Connected to minor fault diagnosis
Injection pump assembly disassembly and assembly
Injection pump assembly test
Work content
(1) Repair
(2) Machine fault
Diagnosis and removal
(i) Cleaning and inspection
(ii) Assembly
(i) Accurate test
(ii) Inspection and adjustment
Injection pump
(iii) Inspection and adjustment
Inverter
Skill requirements
1. Able to connect upper and lower split inline injection pumps 2. Able to Receive screw-adjustable injectors
3. Be able to fill in a repair order
1. Be able to diagnose and eliminate fuel pump and fuel injection pump faults
2. Be able to diagnose simple faults such as injector damage and jamming, and propose solutions
3. Be able to check the defects and damage of the injector pump from the outside, and make simple replacements
1. Be able to remove the injector and the fuel injection pump with hot-swap function from the engine
2. Be able to disassemble the upper and lower split in-line fuel injection pumps and the adjustment device
4. Be able to mark the parts with special assembly requirements of the lower split in-line fuel injection pumps. 2. Be able to complete the internal and external de-buffering of various spray grooves. 2. Be able to complete the cleaning of precision parts
1. Be able to determine the assembly direction of the camshaft
2. Can assemble the inline pump 3. Can assemble the K ball or the speed tester
4. Can install the oiler and the hydraulic spray pump on the oiler F
1. Can select the replacement block for debugging corresponding to the type of fuel injection
2. Can firmly connect the fuel injection pump assembly to the oil system test bench
3. Can select the correct standard injector
1. Can check the fuel supply of the fuel injection pump in working condition 2. Can adjust the fuel supply base of each working unit of the upper and lower split in-line fuel injection
Can check and adjust the effective speed of the T7B and other fly-ball mechanical
return
2. Can check and adjust the oil stop speed of the T7B and other ball mechanical
relevant knowledge
1. Maintenance knowledge of the upper and lower split in-line fuel injection pump 2. Maintenance knowledge of the screw hole integral heating
3. Connection and repair Contents and filling methods of the form
1. Diagnosis and elimination methods of fuel leakage in the fuel injection pump
2. Repair and elimination methods of simple faults of the injection screen 3. Inspection methods of the appearance quality of the injection pump
1. Structural modification and working principle of the upper and lower split inline injection pump
2. Structure and working principle of the columnar injection pump 3. Structure and operation principle of the T7R and other flying ball mechanical regulators
1. The disassembly technology of the upper and lower split inline injection pump is not standardized 5. The use of special tools for disassembling the outlet valve and bearing 6. Precautions for disassembling and assembling precision parts
7. The parts and methods for marking whether the injection pump has special assembly requirements
. 1. Types of metal flow agents and their usage knowledge
2. How to use the fuel injection pump cleaner
3. How to clean the inside and outside of the fuel injection pump and the regulator 1. How to clean precision parts
2. How to use metal adhesives and greases 2. How to adjust the axial clearance of the fuel injection camshaft 3. How to assemble the upper and lower fuel injection pumps 4. How to know the torque of each tightening part under the plate
5. How to set installation precautions
6. How to check the flexibility of the fuel injection pump tie rod 7. Assembly of the speed regulator of the flying ball machine
8. Methods and precautions for installing the fuel injection model on the diesel engine
1. Types and methods of couplings and gaskets for fuel injection system adjustment
2. Connection method of the fuel injection pump, fuel pump test bench and return oil pipeline
3. Reading method of the pressure gauge and temperature gauge 4. Types and specifications of standard fuel injectors. Definition of speed working condition and calibration working condition and their corresponding fuel injection model speed control handle position
2. Upper and lower split inline fuel injection Method for adjusting the oil supply of the pump
2. Definition of the starting speed and stopping speed of the speed governor 2. Working principle of the flyball mechanical speed governor 3. Method for adjusting the starting speed and stopping speed of the flyball speed governor
Repair of the hernia device
Equipment maintenance
Connection and diagnosis
Disassembly and installation of the pump assembly
Work content
（) Disassembly and inspection
（) Assembly and repair
(-) Maintenance and consultation
Pump test bench
(II) Maintenance of fuel injector tester Work content (—) Connection (II) Fault diagnosis and elimination (I) Disassembly (I) Cycle and aging (II) Assembly (III) Table (continued) Skill requirements 1. Able to completely clean the inside and outside of the fuel injector and its parts NY/T15432007 Related knowledge -1. Cleaning method and precautions of fuel injector 2. Assemble fuel injector parts 3. Disassemble the screw-adjustable fuel injector 2. Able to disassemble the screw-adjustable fuel injector 3. Able to inspect the nozzle parts by sensory method! Simple inspection of the sliding performance of the injection nozzle and valve. 1. Assembly method of screw-adjustable injector. 2. Debugging the opening pressure of screw-adjustable injector. 3. Testing the atomization performance of the injector. 4. Performing routine maintenance of the injection pump test bench. 5. Performing routine maintenance of the injector tester. 6. Performing routine maintenance of the injector tester. 7. Performing the maintenance of the injector tester. 8. Performing the maintenance of the injector tester. 9. Performing the maintenance of the injector tester. 10. Performing the maintenance of the integral oil pump with side window of type A and type B, etc. 11. Performing the maintenance of the integral oil pump with side window of type A and type B, etc. 12. Performing the maintenance of the oil pump with side window of type B and type C. 13. Performing the maintenance of the oil pump with side window of type C and type C. 14. Performing the maintenance of the oil pump with side window of type C. 15. Performing the maintenance of the oil pump with side window of type C. 16. Performing the maintenance of the oil pump with side window of type C. 17. Performing the maintenance of the oil pump with side window of type C. 18. Performing the maintenance of the oil pump with side window of type C. 19. Performing the maintenance of the oil pump with side window of type C. 20. Performing the maintenance of the oil pump with side window of type C. 21. Performing the maintenance of the oil pump with side window of type C. 22. Performing the maintenance of the oil pump with side window of type C. 23. Can diagnose and eliminate diesel engine fuel injection failure 1. Can remove the natural flange connection fuel injection pump from the diesel engine
2. Can remove the built-in fuel supply angle automatic advancer from the fuel pump
3. Can disassemble the A-type and other pump body with side openings for refurbished fuel injection pumps
4. Can disassemble the RS series regulator
5. Can disassemble 1W and other small high reverse leakage pumps
1. Can check the cleanliness and pressure of fuel injection pump parts 2. Can use the induction method to check the technical status of the dark pump parts and determine whether to repair or replace. 1. Can assemble the A-type and other pump body with side openings for refurbished fuel injection
2. Can assemble RS Series speed governor
3. Can install W series small high-speed fuel injection pump assembly 4. Can test the sealing of the assembled injection pump and injection pump
5. Can install the flange connection force injection pump on the diesel engine
2. Debugging method of screw adjustment type fuel injector opening positive force 3. How to use the fuel injector tester
Regular maintenance requirements and maintenance methods of the fuel injection system test bench
Maintenance requirements and maintenance methods of the injection tester
Hemei knowledge
1. Maintenance knowledge of integral fuel injection pumps and W series small high-speed fuel injection pumps that require pump compensation opening and balance 2. Maintenance knowledge of gasket adjustment type fuel injection pumps 1. Common defects of fuel pump precision parts
2. Causes and elimination methods of low-pressure roadblocks of diesel engines 3. Definition of diesel engine injection advance angle
1. Disassembly method of flange connection type on diesel engine
2. Disassembly method of A-type and other pump body side window and use of special disassembly tool 3. Structural characteristics, disassembly method and use of special disassembly tool of RS series speed regulator
-1. Disassembly method of IW and other small high-speed speed regulator and use of special disassembly tool
1. Requirements for use of injection pump components
2. Sliding and sealing inspection method of precision parts 1. Installation method of A-type and IW series speed regulators 2. Assembly of RS series speed regulator
3. Inspection method of pump and injection tightness 4. Precautions for installation of flange connection speed regulator on diesel engine
NY/T 1543--2007
Oil pump operation and testing
Sprayer video
Yin Beiwei
Work content
（）Test table (continued)
Skill requirements
1. Be able to install the gear (pull) rod travel table and determine the gear (pull) rod zero position
2.Fuel supply pressure and temperature of fuel injection pump test bench
1. Can check the fuel supply of fuel injection pumps 2. Can adjust the fuel supply display of A-type and other pumps with side windows
3. Can adjust the fuel volume of IW and other small-sized off-line injection systems (II) Check and adjust the fuel injection pump
4. Can adjust the injection advance and fuel supply interval angle of upper and lower split in-line injection cases, A-type and other pumps with side windows of integral injection pumps, 1W and other small-sized commercial speed pumps
5. Can detect the opening pressure of the fuel injection valve 1. The gear travel meter can measure and adjust the rack travel of RS series couplings. () Check and adjust couplings. (IV) Check and adjust accessories. (I) Data and identification. (I) Installation and adjustment. (I) Maintenance of injection pump test bench. (_) Maintenance of injection drive. 2. Can detect and adjust the speed of RS series speed regulators
Knowledge
1. Installation and use of the gear (pull) rod travel meter of the injection pump
2. Adjustment method of the supply pressure and temperature of the injection pump test bench
1. Adjustment method of the oil supply of the integral injection pump with a side window of the pump body such as A type and the small commercial speed injection pump such as W
2. Definition and adjustment method of the supply stroke and oil supply spacer of the injection pump
3. Detection method of the opening pressure of the nozzle pump 1. Working principle and debugging method of RS series speed regulator 2. Causes and elimination methods of the back crown of the mechanical regulator of 17B and other mechanical regulators 3. Can detect and adjust the common fuel injection faults such as insufficient engine speed and unstable speed caused by the failure of the fly ball mechanical regulator such as T7B
1. Can check the performance of the fuel pump
2. Can adjust the damage limiter of the fuel pump
1. Can disassemble the gasket and adjust the fuel injector
2. Can check the technical status of the fuel injector parts and determine whether to replace
1. Can detect the fuel injector's corrosion performance, range, spray penetration angle, direction of inertia and opening pressure 1. Performance requirements and test methods of fuel pump 2. Working principle and adjustment position of the smoke limiter of the fuel pump
Technical requirements and damage characteristics of the screw and the adjustable fuel injector parts 1. Performance test indicators and test methods of the fuel limiter. Gasket adjustment type fuel injector opening method 2. Adjustable gasket opening method of the fuel injector
3. Can detect the sealing of the sump
1. Can check and repair the reliability of the connection of the fuel pump test bench
2. Can check the sealing of the high-pressure oil pipe of the oil pump test bench and correct its inner hole size
3. Can clean or replace the filter element of the injection pump test bench
Can complete the inspection of the plug and other parts of the injector tester
3. Method for testing the sealing of the impinger
1. Specifications and usage knowledge of high-pressure oil pipes for injection pump test bench
2. The influence of the inner hole deformation of the high-pressure oil pipes for injection pump test bench and its repair method||tt| |3. Replacement of injection test bench damage repair method Replacement method of plunger parts of injection tester
5.3 Advanced
--, repair and
Fault diagnosis
Disassembly and assembly of fuel injection assembly
Overall maintenance and testing of fuel injection pump
Work content
(-) Repair
Skill requirements
1. Able to accept new fuel injectors
NY/T 1543 2007
Related knowledge
: 1. Knowledge of new fuel injectors
2. Able to accept P-type fuel injectors without windows on the side of the body! Overall fuel injection ticket
1. Can diagnose complex mechanical oil slurry faults, and provide troubleshooting methods for machine faults. Diagnosis and troubleshooting (I) Disassembly (I) Cleaning and identification (I) Inspection and adjustment of pumps (II) Inspection of crowns and speed control curtains (III) Inspection of bends and adjustment of accessories (I) Maintenance Fuel injection protection
IV. Equipment maintenance and testing
(II) Maintenance of fuel injection pump
Equipment tester
(--) Guidance and training
V. Management and
(-) Management
2. Able to diagnose common faults of diesel engine caused by fuel system and propose troubleshooting methods
1. Able to group P type and other integral fuel injection pumps without windows on the pump body side
2. Able to disassemble RQ series shields
3. Able to disassemble supercharger compensator
1. Able to check the technical condition of fuel injection pump parts and determine whether to repair or replace
2. Structural characteristics and maintenance knowledge of P type and other integral fuel injection pumps without windows on the pump body side
Related knowledge of diesel engine fuel system failure 1. Disassembly points and use of special disassembly tools for integral fuel injection pumps with no window on the side of the pump body such as P type 2. Structural features of RQ series fuel injection pumps, disassembly methods and use of special disassembly tools
1. Structure of boost compensator and other fuel injection pump accessories: 2. Can inspect the damage of fuel injection accessories! Technical requirements of operation and parts, and determine whether to repair or replace
3. Can make simple cleaning tools
1. Can assemble integral fuel injection pumps with no opening on the side of the pump body such as P
2. Can assemble RQ series regulators
. Can repair simple defects of components such as deformation of rack variable function and burr of oil control sleeve
1. Can adjust the oil supply of integral fuel injection pumps with no opening on the side of the pump body such as P type, and solve the problem of excessive supply due to complex reasons during testing
2. Can adjust the oil supply surface stroke and oil supply angle of the integral magic oil pump without window on the pump body side of the familiar type etc.
1 Can also check and adjust the speed control performance online
The performance indicators of the IRQ series speed regulators under various working conditions 2. Can adjust and solve the problems of high speed and rapid speed without oil stop, starting difficulty, etc. in the debugging of RS, RQ series speed regulators
1. Can check and adjust the performance of the fuel injection pump fuel supply angle valve advancer
2. Can check and adjust the boost compensator
1. Can implement the standard quality transfer of the fuel injection pump test bench 2. Can complete the replacement of the fuel injection test bench oil pump, potentiometer and other parts.
1. Can detect the sealing of the fuel injection tester 2. Can formulate the maintenance procedures of the fuel injection tester 1. Can guide the work of junior and intermediate fuel injection repair workers
2. Can carry out technical training for junior fuel injection pump repair workers
1. Able to organize the maintenance work of fuel injection pump
2. Able to inspect the repair quality of fuel injection pump
2. Basic knowledge of mechanical manufacturing
1. Assembly technology of P-type fuel injection pump
2. Assembly points of RQ series speed regulator
3. Repair method of defects of control sleeve, rack and other parts
\i. Debugging method of fuel injection pump with no window on the pump body
2. Adjustment method of fuel supply pre-stroke and fuel supply interval angle of P-type integral fuel injection pump with no window on the pump body 1. Working principle and test method of RC series speed regulator 2. Relevant knowledge of speed regulation characteristic curve
3. Influence of vulnerable parts of RS.RQ series speed regulator on the performance of fuel injection system
1. 1. Classification, structure and operation of the injection pump advancer 2. Inspection and adjustment methods of the injection pump boost compensator 1. Standard oil transfer knowledge
2. Models and replacement methods of the injection pump test bench potentiometer and oil pump
1. Inspection method of the penetration of the thrust tester 2. Maintenance content of the injection tester
1. Production practice teaching knowledge
2. Primary teaching level training requirements
1. Basic knowledge of production management
2. Maintenance technology and quality control knowledge
NY/T 15432007
5.4 Technician
, repair and
Fault diagnosis
Fuel injection pump assembly and disassembly
Fuel injection pump assembly and test
IV. Equipment
V. Management and
Work content
Ability requirements
1. Able to diagnose the fault of the fuel system of the oil-drying machine: (-) Machine fault! Provide troubleshooting methods
2. Able to diagnose and eliminate various fault causes of the fuel injection pump with electronic speed regulator, and determine the troubleshooting plan
1.Can the fuel injection pump with electronic speed controller be removed from the diesel engine? (1) Disassembly (2) Cleaning and inspection (3) Matching (1) Check and adjust the fuel injection pump (2) Check and adjust the speed controller (3) Check and adjust the accessories (1) Maintenance of fuel injection pump test bench (1) Guidance and training (2) Management How to distinguish the new fuel injection pump with electronic speed controller? 3 .Can assemble single plunger distribution fuel injection pump assembly 1.Can inspect the performance of the solenoid valve of the distribution fuel injection pump to determine whether to replace it
2.Can detect the technical status of the cam plate, cam and other related parts of the vane type fuel injection pump (condenser fuel injection pump) to determine whether to replace it
2.Can assemble a new type of fuel injection pump with an electronic speed regulator
2.Can assemble a single plunger distribution fuel injection pump
1.Can check the fuel supply of the new type of fuel injection pump with an electronic speed regulator in each working condition
3.Can adjust the supply pressure, chamber pressure and timing stroke of each working condition of the single type distribution fuel injection 3. Can solve special problems in the test of fuel injection pump 1. Can debug electronic speed controller
2. Can check and adjust the speed belt of single-plug distributor oil pump
3. Can solve the difficult problems such as unstable engine operation caused by fuel injection pump speed controller
1. Can check and adjust the cold start advance device 2. Can check and adjust the attached device
1. Can eliminate common faults of fuel injection pump test bench 2. Can design special fuel injection pump test bench card
1. Guide the operation of senior fuel injection system repair workers 2. Able to provide technical training for middle and senior fuel injection pump repair workers
1. Able to formulate the work flow of fuel injection pump repair
2. Able to formulate the technical regulations for disassembly and assembly of fuel injection pump
3. Able to formulate the safe operation specifications and relevant knowledge for fuel injection pump repair
1. Analysis and judgment of complex faults in diesel engine fuel system
2. Structural characteristics and working principle of fuel injection pump with electric speed governor
1. Key points for disassembly and assembly of new fuel injection pump with electronic speed governor from diesel engine
2. Disassembly method and precautions of new type of oil pump with electric speed regulator
3. Structure, disassembly method and precautions of unidirectional split flow oil pump
1. Detection method of electromagnetic performance of distribution ratio oil pump 2. Structure, working principle and technical requirements of plate-type oil pump
: Assembly requirements of new type of oil pump with centrifugal speed regulator 2. Assembly technical requirements of single-flow distribution or injection system, measurement method of K value, KF value and MS value 3. Use method of basic electrical meter| |tt||How to adjust the oil supply, pump chamber pressure and timing stroke of each working unit of the single plunger distribution type injection pump 2. How to use the pump chamber pressure meter and the piston stroke meter of the single plunger distribution type injection pump
1. How to debug the speed reducer or reducer
2. How to debug the speed governor of the single plunger distribution type injection pump
How to check the function of the start advance device and how to adjust it 1. How to eliminate common failures of the injection test bench 2. General knowledge of engine drawing
1. Training plan and summary of knowledge
2. Skill requirements for intermediate and senior fuel injection repair workers
Contents of the work flow chart
2. Formulation of technical specifications for maintenance and disassembly 3. Dynamics of domestic and foreign advanced fuel injection pump maintenance management 6.1 Theoretical knowledge
Basic requirements
Professional ethics
Basic knowledge
Repair and fault diagnosis
Oil cooler assembly disassembly
Machine fault diagnosis
Cleaning and equipment determination
Preparation test conditions
Injector pump assembly adjustment: inspection and adjustment of fuel injection pumps
Installation and testing
Injector repair
Equipment maintenance
Management and training
6.2 Skill operation
Repair and troubleshooting
Inspect and adjust the governor
Inspect and adjust accessories
Disassembly and identification
Assembly and commissioning
Maintain the injection pump test bench
Maintain the injector tester
Guidance and training
Injector assembly disassembly and assembly
Injection assembly adjustment and inspection
Injector repair
Equipment maintenance
Management and training
Primary (%)
Calcium level (%)
Intermediate ()
Intermediate ()
Senior (%)
Senior (%)
NY/T1543—2007
Technician (3%)
Technician ()2 Skills Operation
Repair and fault diagnosis
Inspect and adjust the speed governor
Inspect and adjust accessories
Disassembly and identification
Assembly and commissioning
Maintain the injection pump test bench
Maintain the injector tester
Guidance and training
Injector assembly disassembly and assembly
Injection assembly adjustment and inspection
Injector repair
Equipment maintenance
Management and training
Primary (%)
Calcium level (%)
Intermediate ()
Intermediate ()
Senior (%)
Senior (%)
NY/T1543—2007
Technician (3%)
Technician ()2 Skills Operation
Repair and fault diagnosis
Inspect and adjust the speed governor
Inspect and adjust accessories
Disassembly and identification
Assembly and commissioning
Maintain the injection pump test bench
Maintain the injector tester
Guidance and training
Injector assembly disassembly and assembly
Injection assembly adjustment and inspection
Injector repair
Equipment maintenance
Management and training
Primary (%)
Calcium level (%)
Intermediate ()
Intermediate ()
Senior (%)
Senior (%)
NY/T1543—2007
Technician (3%)
Technician ()
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