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JB/T 8127-2011

Chinese Standard: 'JB/T 8127-2011'
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Detail Information of JB/T 8127-2011; JB/T8127-2011
Description (Translated English): Internal combustion engines - Fuel heaters
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: J96
Classification of International Standard: 27.020
Word Count Estimation: 14,125
Date of Issue: 2011-05-18
Date of Implementation: 2011-08-01
Older Standard (superseded by this standard): JB/T 8127.1-1995; JB/T 8127.2-1995; JB/T 8127.3-1995
Quoted Standard: GB 755-2008; GB/T 1236-2000; GB/T 1859-2000; GB/T 2828.1; GB 3847-2005; GB/T 8190.4-1999; GB/T 13384-2008; QC/T 413-2002
Drafting Organization: Shanghai Internal Combustion Engine Research Institute
Administrative Organization: National Standardization Technical Committee of the internal combustion engine
Regulation (derived from): Ministry of Industry and Information Technology Bulletin No. 13 of 2011
Summary: This standard specifies the terms and definitions fuel heater, model preparation methods, technical requirements, test categories and test items, test methods and marking, packaging, transportation and storage. This standard applies to cars, tractors, construction machinery, locomotives, ships and other internal combustion power plant low-temperature starting, preheating temperature and carriages, cabin, cabin heating, windscreen defrosting liquid fuel combustion heater (hereinafter referred to as heater).

JB/T 8127-2011
ICS 27.020
J 96
Reference number. 32148-2011
INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
Replacing JB/T 8127.1~8127.3-1995
Internal combustion engines - Fuel heaters
内燃机 燃油加热器
Issued on May 18, 2011 Implemented on August 1, 2011
Issued by. Ministry of Industry and Information Technology, PRC
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references... 4
3 Terms and Definitions ... 5
4 Methods of the model preparation ... 5
5 Technical Requirements ... 6
6 Test categories and test items ... 9
7 Test methods ... 10
8 Inspection rules ... 19
9 Mark, packing, transport and storage ... 20
Foreword
This Standard replaces JB/T 8127.1-1995 Basic Parameters of Fuel Heater, JB/T
8127.2-1995 Technical Conditions of Fuel Heater and JB/T 8127.3-1995 Testing
Method of Fuel Heater.
COMPARED with the standard JB/T 8127-1995, the main changes of this Standard
are as follows.
- REMOVE the requirements of the basic parameters;
- CHANGE the determination of the noise according to GB/T 1859-2000;
- MODIFY the inspecting rules;
- MODIFY the mark, packing, transport and storage.
This Standard IS PROPOSED by Chinese Machinery Industry Federation.
This Standard IS CENTRALIZED by National Standardization Technical Committee
for Internal Combustion Engine (SAC/TC177).
This Standard is drafted by. Shanghai Internal Combustion Engine Research Institute,
Zhejiang Silver Wheel Machinery Co., and Xuelong Group Limited.
The main drafters of this Standard are. Shen Hongjie, Xia Lifeng, Ye Xuhang, Zhong
Junjie, and Duan Yaolong.
The previous standards replaced by this Standard are.
- JB/T 8127.1-1995;
- JB/T 8127.2-1995;
- JB/T 8127.3-1995.
Internal combustion engines - Fuel heaters
1 Scope
This Standard specifies the fuel heater’s terms and definitions, methods of model
preparation, technical requirements, testing categories and testing items, testing
methods and mark, packing, transportation and storage.
This Standard applies to the cold start and preheat warm-up of internal combustion
engine’s power devices of automobiles, tractors, engineering machinery, locomotives
and ship; and the combustion liquid fuel heater (hereinafter referred as heater) used
to defrost windscreen and heating of carriages and cabins.
2 Normative references
The following normative documents CONTAIN provisions which, through reference in
the text, constitute provisions of this Standard. For dated reference, subsequent
amendments to, or revisions of, any of these publications (excluding contents of
corrigenda) do not apply. However, parties who enter into agreement based on this
Standard are encouraged to investigate the possibility of applying the most recent
editions of the standards indicated below. For undated references, the latest edition of
the normative document referred to applies.
GB 755-2008 Rotating motor - Rating and performance (IEC 60034-1. 2004, IDT)
GB/T 1236-2000 Industrial ventilators - Performance test (idt ISO 5801. 1997) by
using standardized airways
GB/T 1859-2000 Reciprocating internal combustion engines - Measurement of
radiated airborne noise - Engineering method and survey method
GB/T 2828.1 Sampling procedures for inspection - Part 1. The batch-by-batch test
and sampling plan by the retrieval of acceptance quality limit (AQL) (GB/T
2828.1-2003, ISO 2859-1. 1999, IDT)
GB 3847-2005 The vehicular compression-ignition engines and smoke-emission
limitation and measuring methods of the cars with compression-ignition engines
instructions, it may conduct replacement and adjustment to the motor’s bearing, brush
and other parts.
5.14 The wire and the insulating layer at -40ºC shall have the nature of bending.
5.15 At the junctions of each sealing surface of heater, there shall not allow any gas
leaking, oil spill and water leaking phenomenon. After igniting the heater for 15 min,
the oil-drip tube shall be without dripping-leaking, and the drip volume of water pump
shall be no more than 3 drops per minute.
5.16 The motor of the heater shall comply with the requirements of GB 755-2008.
5.17 Electrical components shall comply with the requirements of QC/T 413.
5.18 Painting and electroplating of the outer surface of the heater shall be
color-consistent, uniform, firm, smooth, and beautiful; all kinds of fasteners and other
exposed parts shall be performed by rust treatment such as spraying and enameling.
Welding seam of each part shall be straight, uniform, without the burning defect,
cellular, cracks, etc.
5.19 Heater shall be fitted with a fault-protection device. When occurring overheating,
turning-off or failing to ignite, it shall turn off the heater. When it is in
extreme-overturning, it shall automatically cut off the fuel flowing into the combustion
chamber. Heart shall also be fitted with an external fuse or current fuse. When short
circuit or overload, it can turn off the heater. Heater shall be installed at the position
difficultly touched by people. The temperature of outer surface of the heater at the
working state shall not be higher than 50ºC. Water outlet of liquid heater and wind
outlet of air heater shall not be higher than 90ºC. Combusting exhaust port is not
subject to above provision’s restrictions.
6 Test categories and test items
6.1 Test categories are divided into approval test, sampling test and exit-factory test.
Acceptance test may combine sampling test and exit-factory test, or it can also be
agreed by client and manufacturer, to be conducted independently.
6.2 Test items are divided into performance test and durability test.
7.13 Durability test
7.13.1 Test requirements
7.13.1.1 CONDUCT performance test before and after durability test, COMPARE and
ANALYZE the changes of performance indicators.
7.13.1.2 Durability test shall be conducted under rated heat flow.
7.13.1.3 MEASURE every main component’s size, COMPARE and ANALYZE them,
CONCLUDE the amount of deformation and wear-off of main components.
7.13.2 Test procedure and intermediate inspection
7.13.2.1 The accumulative test time shall not be less than 500 h.
7.13.2.2 Durability test shall be conducted intermittently, each continuous operation
time is 4 h, interruption is more than 30 min, CONDUCT overhauling and maintenance
once every accumulative 200 h, DISASSEMBLE the machine to measure each main
component’s size or conduct performance test if necessary, within 50 h before
finishing durability test, it shall be continuous operation.
7.13.3 Test record and test report
7.13.3.1 Durability test shall record test date, operation start and ending time, ignition
time, motor voltage and current, ignition glow plug’s voltage and current, medium’s
inlet-outlet temperature and flow, fuel consumption, outtake temperature, and
CALCULATE rated heat flow and other parameters.
7.13.3.2 Test report shall include before and after durability test’s performance test,
analysis of the changes of performance indicators, ignition test record of each
operating period, the record contents in 7.13.3.1, 200 h overhauling-inspection report,
record of replacement of easy-damaged parts and so on.
7.14 Life-span test
Heater shall be conducted for life-span test if necessary. Life-span test’s requirements,
procedure, intermediate inspection, record and report shall be according to 7.14.
TAKE 500 h as 1 cycle, total accumulative hours shall not be less than 2000 h.
8 Inspection rules
8.1 Each product shall be tested by technical inspection department of the
manufacturer before exiting factory.
8.2 When purchaser conduct sampling inspection to the product quality, in shall be
conducted according to the provision of GB/T 2828.1. Test items, group-batching rules,
sampling programs, judgment and retest rules shall be according to the technical
documentation agreed by both manufacturer and clie......
Related standard:   JB/T 8126.8-2017  JB/T 8126.9-2017
   
 
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