NR Series FUEL  FUEL PRESSURE SENSOR  INSTALLATION  

Install a new O-ring, new No. 1 fuel injector back-up ring, new No. 2 fuel injector back-up ring and new No. 3 fuel injector back-up ring to the No. 1 fuel pipe plug as shown in the illustration.

4.031,0.375 4.323,0.375 false 4.958,0.625 5.052,0.625 5.052,0.625 5.177,1.01 false 5.375,1.073 5.51,0.677 5.51,0.677 5.604,0.677 false 5.479,1.583 5.625,1.896 5.625,1.896 5.719,1.896 false 5.417,2.854 5.531,2.854 5.531,2.854 5.646,3.125 false 5.854,2.802 5.979,2.802 5.979,2.802 6.083,3.031 false 6.552,3.281 6.552,2.958 6.552,2.958 6.656,2.958 false 6.396,3.531 6.396,3.354 false 4.948,1.865 4.948,1.688 false 3.854,0.313 4.167,0.469 0.313,0.156 10 false *1 4.854,1.896 5.167,2.052 0.313,0.156 10 false *2 5.667,0.615 5.979,0.771 0.313,0.156 10 false *3 5.771,1.833 6.083,1.99 0.313,0.156 10 false *4 4.781,0.563 5.094,0.719 0.313,0.156 10 false *5 1.854,1.167 2.167,1.323 0.313,0.156 10 false *a 1.052,2.354 1.365,2.51 0.313,0.156 10 false *b 2.833,2.375 3.146,2.531 0.313,0.156 10 false *c 1.917,1.708 2.229,1.865 0.313,0.156 10 false *d 1.052,1.688 1.365,1.844 0.313,0.156 10 false *e 5.229,2.792 5.542,2.948 0.313,0.156 10 false *2 5.677,2.74 5.99,2.896 0.313,0.156 10 false *5 6.698,2.896 7.01,3.052 0.313,0.156 10 false *4 6.323,3.552 6.635,3.708 0.313,0.156 10 false *3 2.813,1.708 3.125,1.865 0.313,0.156 10 false *e

*1	No. 1 Fuel Pipe Plug	*2	No. 1 Fuel Injector Back-up Ring
*3	No. 2 Fuel Injector Back-up Ring	*4	No. 3 Fuel Injector Back-up Ring
*5	O-ring	-	-
*a	No. 1 Fuel Injector Back-up Ring Opening	*b	Overlapped
*c	Stretched	*d	Correct
*e	Incorrect	-	-

NOTICE:

·

Check that there is no foreign matter or damage on the O-ring groove of the No. 1 fuel pipe plug.

·

Check that the No. 1 fuel injector back-up ring and No. 3 fuel injector back-up ring are installed in the correct orientation.

·

Make sure that the No. 1 fuel injector back-up ring, No. 2 fuel injector back-up ring, No. 3 fuel injector back-up ring and O-ring are installed in the correct order.

·

Check that the opening of the No. 1 fuel injector back-up ring is not overlapped or stretched as shown in the illustration.

·

After installing the O-ring, check that it is not contaminated with foreign matter and is not damaged.

Install a new gasket to the No. 1 fuel pipe plug as shown in the illustration.