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GB/T 34595-2017 (GB/T34595-2017)

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GB/T 34595-2017: PDF in English (GBT 34595-2017)
GB/T 34595-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.060.30
T 14
The technical specifications for remanufacturing of
automotive components - Water pump
水泵
ISSUED ON. OCTOBER 14, 2017
IMPLEMENTED ON. MAY 1, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People’s Republic of China;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 4 
4 Disassembly, cleaning, and classification ... 5 
5 Testing and repair ... 6 
6 Assembly requirements ... 8 
7 Exit-factory inspection requirements ... 8 
8 Protection, marking, and packaging requirements ... 9 
The technical specifications for remanufacturing of
automotive components - Water pump
1 Scope
This Standard specifies the terms and definitions, disassembly, cleaning,
classification, testing and repair, assembly, exit-factory inspection, protection,
marking and packaging and other requirements for remanufacturing water
pumps.
This Standard is applicable to the remanufacturing of cooling water pumps for
automotive engines. For the remanufacturing of water pumps for other
purposes, it can also be used for reference.
2 Normative references
The following documents are essential to the application of this document. For
dated references, only the editions with the dates indicated are applicable to
this document. For undated references, only the latest editions (including all the
amendments) are applicable to this document.
GB/T 26989 Automobile recovery -- Terminology
GB/T 28675 Remanufacturing of automotive components -- Disassembly
GB/T 28676 Remanufacturing of automotive components -- Classification
GB/T 28677 Remanufacturing of automotive components -- Cleaning
GB/T 28678 Remanufacturing of automotive components -- Pre-delivery
inspection
GB/T 28679 Remanufacturing of automotive components -- Assembly
QC/T 288.1-2001 Technical specifications for cooling water pumps of
automotive engines
3 Terms and definitions
The terms and definitions defined by GB/T 26989 are applicable to this
document.
must not cause damage to the environment.
5 Testing and repair
5.1 Testing and repair of water pump housing
5.1.1 Visual inspection
Non-destructive testing methods such as visual inspection, liquid penetrate
testing, pressure sealing test, eddy current testing, etc. can be used to detect
the existence of defects such as cracks in the water pump housing. If cracks
are too severe to be remanufactured, it shall be scrapped. If there are flaws in
the oil passages of the inner cavity of the housing and the mounting holes,
surfaces, etc., they shall be scrapped.
5.1.2 Dimension testing
In accordance with the requirements of the drawings, TEST the geometric
accuracy of the water pump housing such as dimensional tolerance, geometric
tolerance, etc. MAKE the records accordingly.
5.1.3 Water pump housing repair
5.1.3.1 For defects that are not affected by pressure, the methods such as
cracking rivets, welding repair (arc cold welding, cold gas welding, brazing or
spray welding, etc.) or the use of special glue to bond the broken and cracked
parts of castings may be used for repair. After repair, it is required to make a
smooth surface by grinding. On the machined surface, grinding or cutting is
applied until it is flush with the reference surface. For those with sealing or
pressure requirements, airtightness tests, hydrostatic tests, or leak tests shall
be conducted after repair.
5.1.3.2 The defects such as pores, blisters, etc. can be filled with a special
repair agent and repaired by machining and cutting.
5.1.3.3 TEST the dimensional tolerance, geometric tolerance, surface
structure, etc. of the housing. Where the housing hole size is out of tolerance
or worn, the machining methods such as grinding, reaming, etc. are used to
eliminate wear trace. Then PROVIDE with oversized lining. Or USE cladding,
cold welding, spraying and other methods to restore the size.
5.1.3.4 For the damages to machining plane, USE metal spraying or other
welding repair methods to repair, through the addition of materials, followed by
machining.
5.1.3.5 If the remaining holes are damaged, PRE-TREAT the damaged
mating holes. REPAIR by welding repair. For damaged threaded holes without
......
 
(Above excerpt was released on 2018-06-02, modified on 2021-06-07, translated/reviewed by: Wayne Zheng et al.)
Source: https://www.chinesestandard.net/PDF.aspx/GBT34595-2017