QUICK RELEASE CONNECTOR (FUEL SYSTEM) REMOVAL/INSTALLATION [L8, LF]

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  Warning
  • Fuel is very flammable liquid. If fuel spills or leaks from the pressurized fuel system, it will cause serious injury or death and facility breakage. Fuel can also irritate skin and eyes. To prevent this, always complete the “Fuel Line Safety Procedure”, while referring to the “BEFORE SERVICE PRECAUTION”.

Quick Release Connector Type

  Caution
  • There are two types of quick release connectors. Verify the type and location, and install/remove properly.

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Type A Removal

1. Follow “BEFORE SERVICE PRECAUTION” before performing any work operations to prevent fuel from spilling from the fuel system. (See BEFORE SERVICE PRECAUTION [L8, LF].)

  Caution
  • The quick release connector may be damaged if the release tab is bent excessively. Do not expand the release tab over the stopper.

  Note
  • The fuel hose can be removed by pushing it to the pipe side to release the lock.

2. Rotate the release tab on the quick release connector to the stopper position.

  Note
  • The retainer is attached to the fuel pipe even after the connector is disconnected.

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3. Pull out the fuel hose straight from the fuel pipe and disconnect it.

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4. Cover the disconnected quick release connector and fuel pipe with vinyl sheeting or a similar material to prevent it from becoming scratched or dirty.

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Type B Removal

  Caution
  • Be careful not to damage the pipe when unlocking the retainer.

  Note
  • When removing the quick release connector, either SST 49 E042 001 or 49 N013 103A (Part of 49 N013 1A0D) can be used.

When using SST 49 E042 001

  Note
  • If the quick release connector is removed, replace the retainer with a new one.

1. Set the SST parallel to the quick release connector.

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  Note
  • The quick release connector can be removed by pushing the center of the retainer tabs.
  • The retainer is attached to the pipe even after the connector is disconnected.

2. Hold the center of the retainer tabs with the SST ends and press the retainer.

3. Pull the connector side and disconnect the quick release connector.

4. Raise a retainer tab using the SST and remove the retainer.

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5. Cover the disconnected quick release connector and fuel pipe with vinyl sheeting or a similar material to prevent it from scratches or dirt.

When using SST 49 N013 103A (Part of 49 N013 1A0D)

1. Insert the SST into the quick release connector.

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2. Pull out the fuel hose straight from the fuel pipe and disconnect it.

3. Cover the disconnected quick release connector and fuel pipe with vinyl sheeting or a similar material to prevent it from scratches or dirt.

Type A Installation

  Note
  • If the quick release connector O-ring is damaged or has slipped, replace the fuel hose.
  • A checker tab is integrated with the quick release connector for new fuel hoses and fuel hoses. Remove the checker tab from the quick release connector after the connector is completely engaged with the fuel pipe.

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1. Inspect the fuel hose and fuel pipe sealing surface for damage and deformation.

  • If there is any malfunction, replace it with a new one.

2. Apply a small amount of clean engine oil to the sealing surface of the fuel pipe.

3. Reconnect the fuel hose straight to the fuel pipe until a click is heard.

  Note
  • If the quick release connector does not move at all, disconnect it, verify that the O-ring is not damaged or has not slipped, and then reconnect the quick release connector.

4. Lightly pull and push the quick release connector a few times by hand, and then verify that it can move 2.0—3.0 mm {0.08—0.12 in} and is connected securely.

5. Complete the “AFTER SERVICE PRECAUTION”. (See AFTER SERVICE PRECAUTION [L8, LF].)

Type B Installation

  Caution
  • Always replace the retainer with a new one when using SST 49 E042 001, otherwise, fuel leakage could result.

  Note
  • If the quick release connector O-ring is damaged or has slipped, replace the piping component.
  • A checker tab is integrated with the quick release connector for new fuel hoses and fuel hoses. Remove the checker tab from the quick release connector after the connector is completely engaged with the fuel pipe.

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1. Inspect the fuel hose and fuel pipe sealing surface for damage and deformation.

  • If there is any malfunction, replace it with a new one.

2. Apply a small amount of clean engine oil to the sealing surface of the fuel pipe.

3. Install a new retainer to the quick release connector.

4. Reconnect the hose straight to the pipe until a click is heard.

5. Lightly pull and push the quick release connector a few times by hand, and then verify that it is connected securely.