GB/T 18571-2001 Portable fuel system for outboard motors of small boats
Some standard content:
ICS _47.080
National Standard of the People's Republic of China
GB/T18571--2001
idtIso13591:1997
Small craft--Portale fuel systems for outboard motors2001-12-13 Issued
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Implementation on August 1, 2002
GB/1 18571-2001
This standard is equivalent to 1S013591:1997 Small craft--Portale fuel systems for outboard motors.
Appendices A and B of this standard are supplementary appendices. This standard was proposed by the China Shipbuilding Industry Corporation. This standard is under the jurisdiction of the China Shipbuilding Industry No. 8 Research Institute. The drafting unit of this standard is the China Shipbuilding Industry No. 708 Research Institute. The main drafters of this standard are Li Zhenshi, Lin Dehui, and Zhongzheng.
GB/T18571--2001
ISO Foreword
The International Organization for Standardization (ISO) is a worldwide federation of national standardization bodies (ISO member bodies). The work of formulating international standards is carried out by technical committees. Each member body interested in a project undertaken by a technical committee has the right to participate in the technical committee. International organizations, governmental or non-governmental, in contact with ISO may also participate in this work. ISO and the International Electrotechnical Commission (IEC) work closely together in the standardization of electrotechnical technology: the draft international standards adopted by the technical committees shall be sent to the member groups for voting before being approved by the ISO Council as international standards. According to the ISO (standard-setting procedures), an international standard shall be approved by at least 75% of the member groups to become an international standard. This international standard ISO13591:1997 was prepared by ISO/TC188\Small craft\Technical Committee. Annex A and the appendixes of this international standard are indicative appendices. 1 Scope
National Standard of the People's Republic of China
Portable fuel system for small craft outboard
Small craft-Portohle fuel systems fur authoard motnrsGB/T 18571200°
idt 1s0 13591:1997
This standard specifies the rated capacity equal to or less than 27 for outboard engines installed on small craft with a length of 24 or less. 1., Design, material and test requirements for portable fuel systems used to carry and store flammable substances. This standard does not apply to pressurized fuel systems. 2 Referenced standards
The signatures contained in the following standards are constructed as the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T 1452. 2--2001 Small boat non-fire-resistant fuel soft general (idt ISO B469+1991) ISO1817:1999 Determination of the influence of sulfurized rubber amine liquid 3 Definitions
This standard adopts the following definitions,
3.1 Flammable substance flammableliguid
Liquid with an internal temperature lower than 60°C: (closed cup test) and a Ligh vapor pressure lower than 280kFa (absolute pressure) at 38°C. 3.2 Portable fuel tank portablefuel Tank is used to carry and store easily observable body, and has a capacity equal to or less than 27L, which will become part of the portable fuel system 3.3 portable fuel system portable fuel Syatem is a system consisting of a portable fuel tank intended to be connected to the fuel system on the outboard aircraft and equipped with a refueling port, vent, fuel connector, fuel pipe and related accessories.
4 General requirements
4.1 The portable fuel tank should be designed to be easy for the boatman to move and fix and easy to disassemble when refilling outside the boat. Note: "Portable" is hereinafter referred to as "tank". 4.2 The total volume of the tank should be such that at 20°C, there is at least 5% of the rated capacity expansion space in the normal filling position. The position of the oil port opening should be such that the expansion space is not blocked when the tank is in its normal filling position. 4.3 A vent pipe that can be closed automatically or manually should be provided in the syatem fuel system. 4.4 The minimum inner diameter of the filling neck of the fuel tank using unleaded gasoline should be 21.5mm and the maximum inner diameter should be 23.5III. The inner diameter of the filling neck of the fuel tank using other fuels should be greater than 30 mm. 4.5 When the tank is in normal use or storage position, all openings of the tank should be above the fuel level and should have liquid-tight and gas-tight covers.
4.6 The tank should be designed to be portable. Approved by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China on December 13, 2001 iKAONiKAca-
2002-08-01 implementation
4.7 The shape of the tank should not be easy to stack. GB/T 18571-20C1
4.B The materials used in the portable fuel system should be arranged so that their electrical conductivity is minimized under normal ship conditions. 4.9 Plastics and synthetic rubber materials should contain anti-ultraviolet agents. 4.10 The color of the tank should be red.
4.11 The tank should have a symbol indicating the type of fuel used in the system. 4.12 When the fuel tank is made of metal materials, welding materials with a melting point lower than 450°C shall not be used. 4.13 If a portable fuel system for an outboard engine is installed on the ship, its owner's manual shall include the contents listed in Appendix A (suggestive Appendix). For owner's manual, see Appendix B (suggestive Appendix).
5 Performance requirementsbzxz.net
5.1 General tests
5.1.1 Stability test
After the oil tank is manufactured and equipped with all accessories, fill it with the predetermined fuel of the nominal capacity, turn the oil tank to a plane 35° from the horizontal, make it in the normal use position, and give it enough friction to prevent the oil tank from sliding. Rotate the oil tank 360° with an interval of 15°: If the storage position of the tank is different from the use position, the test should be repeated on the tank in the same position, but the horizontal inclination angle during the test is 20%. Assessment: The tank should not fall over in any position. 5.1.2 Handle test
Prepare 3 oil tanks according to Figure 1, fill the oil tank with water to the nominal capacity, and tighten the cap, leaving a minimum of 75 mm on the wire rope. The slack section makes each tank door towel fall down, E
1-diameter mm (0.25m): 1-2m6t> wire rope (non-soft steel): 2 misaligned parts: 10mm (0.375in) diameter steel bar, drawn and welded on 20mm (0.75in) diameter and 100mr (1in) long steel sample 3mm (0.312 in) of the case. Single spring around the handle 1: with a length of more than 75in (<3in), the month is divided into: 4-sleeve box lift: 5··Oil tank
Figure Mountain drop test handle arrangement
Evaluation: After the fall test, each oil tank should be subjected to air pressure test, the internal positive force during the test is 35kla, and each oil tank should not have leakage.
5.1.3 The sealing test of the oil cover and accessories should be carried out in a constant temperature room at 30℃ + 2℃. Test 3 oil tanks, with a pressure pipe joint at the bottom of the oil tank or one of the side walls of the oil tank, and inject 1 1. Test liquid. The composition of test liquid 2 is: 2.5% 22.4-methylbenzene·-…·2.5K benzene·-15.05 alcohol, CB/T 18571—2001. The internal parts and accessories of the oil outlet are all in the state of test. Empty the test liquid and immediately fill it with the test liquid composed of water of F and 5 wetting agent to the nominal capacity, tighten the end cap with a torque of 5 N·m, and immediately apply an internal overpressure of 16) kPa for 10 minutes when the oil is reliable. Reading should be free of cycle. All three oil tanks should comply with this test. 5.2 Metal oil tank test 5.2. 1 Temperature drop test
Test 3 drop tanks. Fill the tank with a mixture of 50% ethanol and 50% water to the nominal capacity. Place the tank firmly and keep the temperature at -18℃±2℃.
Add oil with a short tight thread.
Raise the tank to a height of 1.2 meters above the flat horizontal hydraulic ground and let the tank fall freely.Make one corner hit the ground. Assessment: There is no sign of leakage in the tank.
5.2.2 Internal pressure test
Test three tanks. Tighten the threaded cover of the oil tank with 9N·m. Other covers should be pressed in the normal way. Heat the tank to 34℃ and keep it for at least 4 hours. Then return the temperature to room temperature and then keep it at 70℃ for 2 hours. Apply positive force to the tank through a connection device inserted into the drill hole. At 70℃, the pressure in the tank is gradually increased to 135kPa within 30-60℃ and the pressure is maintained. Apply fertilizer liquid or other suitable solvent to the tank. After 5min, there should be no cracks or signs of leakage. Assessment: There should be no leakage, deformation is allowed, and all oil tanks should pass the test. 5.3 Non-metallic tank test
5.3.1 Temperature drop test
Take 3 samples with accessories for dynamic testing. Inject a mixed solution consisting of 50% ethanol and 50% water into the tank to the nominal volume.
The oil cover should be tightened with a torque of 5N·m. Put the tank steady and the temperature reaches -182℃. Each oil tank is dropped from a height of 1,2㎡ above the horizontal ground for 3 times in a row. The test port, the bottom corner of the tank should reach the ground once, and its center of gravity should be on the right side of the collision point. Assessment: There should be no leakage, and all oil tanks should pass this test. 5.3.2 Pressure-balanced test
Test 3 oil tanks. Tighten the cover of the oil tank with a force of 9 N·m. Other covers should be tightened in the usual way. Store the oil tank at 23℃ and then place it at -34℃ for at least 6 hours. Allow the temperature to recover and then place it at 70℃ for 26 hours. At 70℃, gradually increase the pressure in the oil tank to 135kPa within 30~60% of the pressure range. This pressure and temperature are maintained for 1 hour.
Before testing at this temperature, release the pressure in the tank, then wait at 23℃ for at least 6 hours and tighten the cover. Increase the pressure in the tank to 100kPa within 30~60s and continue to maintain this pressure for 5 minutes. Assessment: The test tank should not rupture or leak. All test tanks have passed the test and are not allowed to change. 5.3.3 Flame retardation
Test three oil tanks with oil shields. The recording accuracy is ±0.1%. Fill the tank with a test solution of 70% 2,2-trimethylpentane and 30% methyl pentane to the nominal capacity. Ignite the tank with a force of 5 N·m and reweigh with an accuracy of ±0.1 μm. Place the tank at 23°C for 30 days. Reweigh the test solution in the tank with an accuracy of ±0.1%. Calculate the percentage of weight loss using the following formula: m
Where: m—weight in %;
ml——weight of empty tank;
m—sum of the weight of the empty tank and the test solution before storage;
m—sum of the weight of the empty tank and the test solution before storage. Report the weight loss.
After the tank is made, visually inspect the surface of one of the tanks. Evaluation: The tank should not have any sticky marks or other obvious defects, and the weight loss of the tank should not exceed 1%. 5.3.4 Stress-rupture test of polyethylene tanks Take 3 tanks from the product.
Preheated to 70°C ± 2°C, the liquid consisting of 95% water and 5% lubricant is injected into the tank to the nominal volume, the tank is closed (tighten the threaded oil port with a torque of 5N·m), the tank is connected to the pressure pipeline, and the test tank is immersed in a test tank at the same temperature and filled with the same fluid. When the tank is without internal pressure and at the test temperature, it is immersed in the test tank for 1 hour. Then, the pressure in the tank is increased to 50kPa within 10-15 seconds, and this pressure is maintained for 5 hours. Evaluation: There is no leakage or visible cracks after the test. 5.3.5 Flammability test
On a standard Bunsen burner with a diameter of 10 mm, expose 3 oil tanks to about 25 μm above the blue flame. The temperature of the flame tip is 900°C. Let the flame tip penetrate the oil for 10 seconds. Result: The oil tank should not suddenly burn.
Note: Flammability is the phenomenon of increasing the combustion rate when the oil is ignited. 5.4 Test of elastic materials (gaskets and seals) 5.4.1 Transformed materials
From each type of material of different sizes, take 3 samples and test them according to the following method. Put these 3 samples into the solution specified in 5.1.3 and keep them at 23°C ± 2°C for 70 hours. According to IS () 181? The formula and calculation program in the test are used to evaluate the changes in the mass and volume of the test piece. The elastic component should not have:
greater than 25,
shrinkage greater than 1,
weight loss greater than 10%.
54.2 Baking aging test
Put three samples in 70°C ± 1°C, pressure of 2MPa ± 70kPa, 100% oxygen. If the diameter or diagonal size of the gasket is greater than 20mm, a core sample with a diameter of 25mm should be used; when the true diameter or diagonal size of the gasket is equal to or less than 20mm, a core sample with a diameter of 13mm should be used. The gasket and the test core sample exposed to oxygen are placed in a room at a temperature of 0°C ± 1°C for at least 2h before testing. At the test temperature of 1°C, the gasket is bent 180° around the core with a bending rate of 90%. Assessment: The gasket should be free of cracks after bending.
5.5 Combustion hose assembly
5.5.1 The hose should meet the requirements of GB/T14652.2.5.5.2 The hose socket should be flexible. It should be connected to the flexible arm. After winding, it should be coiled at 0° and 6° for 8 h. It should not produce cracks, fine lines or breaks.
5.5.3 Each hose connector should be able to withstand a static pull of 180N for at least 1min. 4
GB/T18571—2001
4 When the fuel tank is subjected to an internal pressure of 135kA, the combustion hose assembly is not allowed to leak fuel when connected to the tank and removed from the engine. 5.5.4
6' Marking
The fuel tank should have the following markings:
a) Manufacturer's trademark or name;
b) Nominal capacity, L:
) Model mark:
d) Year of manufacture expressed in numbers or codes; e) GB/18571, the minimum height of the characters should be 4mm; f) Fuel type symbol, the minimum height is 25nm; g) Fire protection symbol, the minimum height becomes 25mtn. 5
iiKAoNiiKAca-
GB/T18571-2001
Appendix
(Reminder Appendix)
For external engines, the master shall comply with the following information: Oil can only be refilled externally:
To prevent leakage, do not refill oil between tanks; Do not store oil tanks and oil pipes in direct sunlight where the temperature may not exceed 60°C; The air valve should be closed when not in use (with manual closure of the vent pipe). Time Record B
(Reminder Appendix)
Dream Test Text
[1] IS0 10240:1995 Small Boats
Owner's ManualAllow the tank to recover to the desired temperature and then place it at 70°C for 26 hours. At 70°C, gradually increase the pressure in the tank within 30-60% to 135 kPa: This pressure and temperature are maintained for 1 hour.
Before testing at this temperature, release the pressure in the tank, then keep it at 23°C for at least 6 hours, and tighten the cover. Increase the pressure in the tank to 100 kPa within 30-60 seconds and continue to maintain this pressure for 5 minutes. Assessment: The test tank should not rupture or leak. All tanks have passed the test and are allowed to change. 5.3.3 Flame retardation
Test three oil-shielded tanks. The weight accuracy is ±0.1%. Fill the tank to the nominal capacity with a test solution of 70% 2,2,3-trimethylpentane and 30% methyl methacrylate. Ignite the oil tank with a force of 5 N·m and reweigh it with an accuracy of ±0.1 μm. Place the oil tank at 23°C:2°C for 30 days. Reweigh the test solution in the oil tank with an accuracy of ±0.1%. Calculate the percentage of weight loss using the following formula: m
Where: m—weight·%;
ml——weight of empty oil tank;
m—sum of the weight of the empty oil tank and the test solution before storage;
m—sum of the weight of the test solution after storage. Report the weight loss.
After the tank is made, visually inspect the surface of one of the oil tanks. Assessment: The oil tank should not have any traces of stickiness or other obvious defects, and the weight loss of the oil tank should not exceed 1%. 5.3.4 Stress-rupture test of polyethylene oil tank Take 3 oil tanks from the product.
Preheat the oil tank to 70°C±2°C and inject the liquid composed of 95% water and 5% lubricant into the tank to the nominal volume, close the oil tank (tighten the threaded oil port with a torque of 5N·m), connect the oil tank to the pressure pipeline, and immerse the test oil tank in a test tank with the same temperature and the same fluid. Immerse the test oil tank in the test tank for 1 hour without internal pressure and at the test temperature. Then increase the pressure in the tank to 50kPa within 10-15s, maintain this pressure for 5h, and evaluate: no leakage or visible cracks after the test. 5.3.5 Flammability test
On a standard Bunsen burner with a diameter of 10 mm, expose 3 oil tanks to about 25 μm above the blue flame. The temperature of the flame tip is 900°C. Let the flame tip penetrate the oil for 10 seconds. Result: The oil tank should not suddenly burn.
Note: Flammability is the phenomenon of increasing the combustion rate when the oil is ignited. 5.4 Test of elastic materials (gaskets and seals) 5.4.1 Transformed materials
From each type of material of different sizes, take 3 samples and test them according to the following method. Put these 3 samples into the solution specified in 5.1.3 and keep them at 23°C ± 2°C for 70 hours. According to IS () 181? The formula and calculation program in the test are used to evaluate the changes in the mass and volume of the test piece. The elastic component should not have:
greater than 25,
shrinkage greater than 1,
weight loss greater than 10%.
54.2 Baking aging test
Put three samples in 70°C ± 1°C, pressure of 2MPa ± 70kPa, 100% oxygen. If the diameter or diagonal size of the gasket is greater than 20mm, a core sample with a diameter of 25mm should be used; when the true diameter or diagonal size of the gasket is equal to or less than 20mm, a core sample with a diameter of 13mm should be used. The gasket and the test core sample exposed to oxygen are placed in a room at a temperature of 0°C ± 1°C for at least 2h before testing. At the test temperature of 1°C, the gasket is bent 180° around the core with a bending rate of 90%. Assessment: The gasket should be free of cracks after bending.
5.5 Combustion hose assembly
5.5.1 The hose should meet the requirements of GB/T14652.2.5.5.2 The hose socket should be flexible. It should be connected to the flexible arm. After winding, it should be coiled at 0° and 6° for 8 h. It should not produce cracks, fine lines or breaks.
5.5.3 Each hose connector should be able to withstand a static pull of 180N for at least 1min. 4
GB/T18571—2001
4 When the fuel tank is subjected to an internal pressure of 135kA, the combustion hose assembly is not allowed to leak fuel when connected to the tank and removed from the engine. 5.5.4
6' Marking
The fuel tank should have the following markings:
a) Manufacturer's trademark or name;
b) Nominal capacity, L:
) Model mark:
d) Year of manufacture expressed in numbers or codes; e) GB/18571, the minimum height of the characters should be 4mm; f) Fuel type symbol, the minimum height is 25nm; g) Fire protection symbol, the minimum height becomes 25mtn. 5
iiKAoNiiKAca-
GB/T18571-2001
Appendix
(Reminder Appendix)
For external engines, the master shall comply with the following information: Oil can only be refilled externally:
To prevent leakage, do not refill oil between tanks; Do not store oil tanks and oil pipes in direct sunlight where the temperature may not exceed 60°C; The air valve should be closed when not in use (with manual closure of the vent pipe). Time Record B
(Reminder Appendix)
Dream Test Text
[1] IS0 10240:1995 Small Boats
Owner's ManualAllow the overflow to return to normal temperature and then place at 70°C for 26 hours. At 70°C, gradually increase the pressure in the tank within 30-60% to 135 kPa: This pressure and temperature are maintained for 1 hour.
Before testing at this temperature, release the pressure in the tank, then wait at 23°C for at least 6 hours, and tighten the cover. Increase the pressure in the tank to 100 kPa within 30-60 seconds and continue to maintain this pressure for 5 minutes. Assessment: The test tank should not rupture or leak. All tanks have passed the test and are allowed to change. 5.3.3 Flame retardation
Test 3 oil tanks with oil shields. The recorded weight accuracy is ±0.1%. Fill the tank to the nominal capacity with a test solution of 70% 2,2,3-trimethylpentane and 30% methyl methacrylate. Ignite the oil tank with a force of 5 N·m and reweigh it with an accuracy of ±0.1 μm. Place the oil tank at 23°C:2°C for 30 days. Reweigh the test solution in the oil tank with an accuracy of ±0.1%. Calculate the percentage of weight loss using the following formula: m
Where: m—weight·%;
ml——weight of empty oil tank;
m—sum of the weight of the empty oil tank and the test solution before storage;
m—sum of the weight of the test solution after storage. Report the weight loss.
After the tank is made, visually inspect the surface of one of the oil tanks. Assessment: The oil tank should not have any traces of stickiness or other obvious defects, and the weight loss of the oil tank should not exceed 1%. 5.3.4 Stress-rupture test of polyethylene oil tank Take 3 oil tanks from the product.
Preheat the oil tank to 70°C±2°C and inject the liquid composed of 95% water and 5% lubricant into the tank to the nominal volume, close the oil tank (tighten the threaded oil port with a torque of 5N·m), connect the oil tank to the pressure pipeline, and immerse the test oil tank in a test tank with the same temperature and the same fluid. Immerse the test oil tank in the test tank for 1 hour without internal pressure and at the test temperature. Then increase the pressure in the tank to 50kPa within 10-15s, maintain this pressure for 5h, and evaluate: no leakage or visible cracks after the test. 5.3.5 Flammability test
On a standard Bunsen burner with a diameter of 10 mm, expose 3 oil tanks to about 25 μm above the blue flame. The temperature of the flame tip is 900°C. Let the flame tip penetrate the oil for 10 seconds. Result: The oil tank should not suddenly burn.
Note: Flammability is the phenomenon of increasing the combustion rate when the oil is ignited. 5.4 Test of elastic materials (gaskets and seals) 5.4.1 Transformed materials
From each type of material of different sizes, take 3 samples and test them according to the following method. Put these 3 samples into the solution specified in 5.1.3 and keep them at 23°C ± 2°C for 70 hours. According to IS () 181? The formula and calculation program in the test are used to evaluate the changes in the mass and volume of the test piece. The elastic component should not have:
greater than 25,
shrinkage greater than 1,
weight loss greater than 10%.
54.2 Baking aging test
Put three samples in 70°C ± 1°C, pressure of 2MPa ± 70kPa, 100% oxygen. If the diameter or diagonal size of the gasket is greater than 20mm, a core sample with a diameter of 25mm should be used; when the true diameter or diagonal size of the gasket is equal to or less than 20mm, a core sample with a diameter of 13mm should be used. The gasket and the test core sample exposed to oxygen are placed in a room at a temperature of 0°C ± 1°C for at least 2h before testing. At the test temperature of 1°C, the gasket is bent 180° around the core with a bending rate of 90%. Assessment: The gasket should be free of cracks after bending.
5.5 Combustion hose assembly
5.5.1 The hose should meet the requirements of GB/T14652.2.5.5.2 The hose socket should be flexible. It should be connected to the flexible arm. After winding, it should be coiled at 0° and 6° for 8 h. It should not produce cracks, fine lines or breaks.
5.5.3 Each hose connector should be able to withstand a static pull of 180N for at least 1min. 4
GB/T18571—2001
4 When the fuel tank is subjected to an internal pressure of 135kA, the combustion hose assembly is not allowed to leak fuel when connected to the tank and removed from the engine. 5.5.4
6' Marking
The fuel tank should have the following markings:
a) Manufacturer's trademark or name;
b) Nominal capacity, L:
) Model mark:
d) Year of manufacture expressed in numbers or codes; e) GB/18571, the minimum height of the characters should be 4mm; f) Fuel type symbol, the minimum height is 25nm; g) Fire protection symbol, the minimum height becomes 25mtn. 5
iiKAoNiiKAca-
GB/T18571-2001
Appendix
(Reminder Appendix)
For external engines, the master shall comply with the following information: Oil can only be refilled externally:
To prevent leakage, do not refill oil between tanks; Do not store oil tanks and oil pipes in direct sunlight where the temperature may not exceed 60°C; The air valve should be closed when not in use (with manual closure of the vent pipe). Time Record B
(Reminder Appendix)
Dream Test Text
[1] IS0 10240:1995 Small Boats
Owner's ManualIn 100% oxygen, if the diameter or diagonal of the gasket is greater than 20 mm, a core sample with a diameter of 25 mm should be used; when the true diameter or diagonal of the gasket is equal to or less than 20 mm, a core sample with a diameter of 13 mm should be used. The gasket and the test core sample exposed to oxygen should be placed in a room at a temperature of 0°C±1°C for at least 2 hours before testing. At a test temperature of 1°C, the gasket should be bent 180° around the core at a bending rate of 90%. Evaluation: The gasket should have no cracks after bending.
5.5 Combustion hose assembly
5.5.1 The hose shall meet the requirements of GB/T14652.2. 5.5.2 The hose socket shall be flexible. The hose shall be connected to the outer bag of the flexible arm with 4 cores. After winding, it shall be effectively coiled at 0° and 6° for 8 h without cracks, fine lines or breaks.
5.5.3 Each hose connector shall be able to withstand a static pull of at least 180N for 1 min. 4
GB/T18571—2001
4 When the fuel tank is subjected to an internal pressure of 135kA, the combustion hose assembly shall not be allowed to leak fuel when it is connected to the tank or removed from the engine. 5.5.4
6' Marking
The fuel tank should have the following markings:
a) Manufacturer's trademark or name;
b) Nominal capacity, L:
) Model mark:
d) Year of manufacture expressed in numbers or codes; e) GB/18571, the minimum height of the characters should be 4mm; f) Fuel type symbol, the minimum height is 25nm; g) Fire protection symbol, the minimum height becomes 25mtn. 5
iiKAoNiiKAca-
GB/T18571-2001
Appendix
(Reminder Appendix)
For external engines, the master shall comply with the following information: Oil can only be refilled externally:
To prevent leakage, do not refill oil between tanks; Do not store oil tanks and oil pipes in direct sunlight where the temperature may not exceed 60°C; The air valve should be closed when not in use (with manual closure of the vent pipe). Time Record B
(Reminder Appendix)
Dream Test Text
[1] IS0 10240:1995 Small Boats
Owner's ManualIn 100% oxygen, if the diameter or diagonal of the gasket is greater than 20 mm, a core sample with a diameter of 25 mm should be used; when the true diameter or diagonal of the gasket is equal to or less than 20 mm, a core sample with a diameter of 13 mm should be used. The gasket and the test core sample exposed to oxygen should be placed in a room at a temperature of 0°C±1°C for at least 2 hours before testing. At a test temperature of 1°C, the gasket should be bent 180° around the core at a bending rate of 90%. Evaluation: The gasket should have no cracks after bending.
5.5 Combustion hose assembly
5.5.1 The hose shall meet the requirements of GB/T14652.2. 5.5.2 The hose socket shall be flexible. The hose shall be connected to the outer bag of the flexible arm with 4 cores. After winding, it shall be effectively coiled at 0° and 6° for 8 h without cracks, fine lines or breaks.
5.5.3 Each hose connector shall be able to withstand a static pull of at least 180N for 1 min. 4
GB/T18571—2001
4 When the fuel tank is subjected to an internal pressure of 135kA, the combustion hose assembly shall not be allowed to leak fuel when it is connected to the tank or removed from the engine. 5.5.4
6' Marking
The fuel tank should have the following markings:
a) Manufacturer's trademark or name;
b) Nominal capacity, L:
) Model mark:
d) Year of manufacture expressed in numbers or codes; e) GB/18571, the minimum height of the characters should be 4mm; f) Fuel type symbol, the minimum height is 25nm; g) Fire protection symbol, the minimum height becomes 25mtn. 5
iiKAoNiiKAca-
GB/T18571-2001
Appendix
(Reminder Appendix)
For external engines, the master shall comply with the following information: Oil can only be refilled externally:
To prevent leakage, do not refill oil between tanks; Do not store oil tanks and oil pipes in direct sunlight where the temperature may not exceed 60°C; The air valve should be closed when not in use (with manual closure of the vent pipe). Time Record B
(Reminder Appendix)
Dream Test Text
[1] IS0 10240:1995 Small Boats
Owner's Manual
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.