825207A 2 Mercury TPI/CDM TEST HARNESS


825207A 2 TPI/CDM TEST HARNESS Mercury 1031203PD, 1031203UB, 1031203UD, 1031207ZF, 1031312DB, 1040213YL, 1041312UB, 1075217DD, 1075217FD, 1075217VD, 10752L7DF, 10752L7FF, 1075317DB, 1075317FB, 1075412DB, 1075412DD, 1075412DN, 1075412FB, 1075412FY, 1090412DB, 1090412DC, 1090412DD, 1090412D TPI
825207A 2 TPI/CDM TEST HARNESS Mercury
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63

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Number on catalog scheme: -
 

Mercury entire parts catalog list:

1031203PD 1994,1995,1996,1997,1998,1999
1031203UB 1998,1999,2000,2001,2002,2003,2004
1031203UD 1998,1999
1031207ZF 2002
1031312DB 2005,2006
1040213YL 2001,2004
1041312UB 1998
1075217DD 2005
1075217FD 2006
1075217VD 1999,2000,2001,2002,2003,2004
10752L7DF 2005
10752L7FF 2006
1075317DB 2005
1075317FB 2006
1075412DB 2005
1075412DD 2005
1075412DN 2005
1075412FB 2006
1075412FY 2006
1090412DB 2005,2006
1090412DC 2005
1090412DD 2005
1090412DN 2005
1090412DY 2005,2006
1090412FF 2010
1090412FY 2006
1090422DY 2005
1090422FF 2010
1090472DD 2005
1090472FF 2010
1090472FY 2006
1100412VB 1999,2000,2001,2002,2003,2004
1115412DB 2005,2006
1225412PD 1994,1995,1996,1997,1998
1225412VD 1999,2000,2001
1225413RD 1995,1996,1997,1998
1250413UE 1998,1999,2000,2001
1256413WD 2000,2001,2002

Information:

This procedure checks for air in the fuel. This procedure also assists in finding the source of the air.
Examine the fuel system for leaks. Ensure that the fuel line fittings are properly tightened. Check the fuel level in the fuel tank. Air can enter the fuel system on the suction side between the fuel transfer pump and the fuel tank.
Install a 2P-8278 Fuel Flow Tube (Sight Gauge) in the fuel return line. When possible, install the sight gauge in a straight section of the fuel line that is at least 304.8 mm (12 inches) long. Do not install the sight gauge near the following devices that create turbulence:
Elbows
Relief valves
Check valvesObserve the fuel flow during engine cranking. Look for air bubbles in the fuel. If there is no fuel in the sight gauge, prime the fuel system. Refer to Testing and Adjusting, "Fuel System - Prime" for more information. If the engine starts, check for air in the fuel at varying engine speeds. When possible, operate the engine under the conditions which have been suspect of air in the fuel.
Illustration 1 g00578151
2P-8278 Fuel Flow Tube (Sight Gauge) (1) A steady stream of small bubbles with a diameter of approximately 1.60 mm (0.063 inch) is an acceptable amount of air in the fuel. (2) Bubbles with a diameter of approximately 6.35 mm (0.250 inch) are also acceptable if there is two seconds to three seconds intervals between bubbles. (3) Excessive air bubbles in the fuel are not acceptable.
If excessive air is seen in the sight gauge in the fuel return line, install a second sight gauge at the inlet to the fuel transfer pump. If a second sight gauge is not available, move the sight gauge from the fuel return line and install the sight gauge at the inlet to the fuel transfer pump. Observe the fuel flow during engine cranking. Look for air bubbles in the fuel. If the engine starts, check for air in the fuel at varying engine speeds.If excessive air is not seen at the inlet to the fuel transfer pump, the air is entering the system after the fuel transfer pump. Proceed to Step 6.If excessive air is seen at the inlet to the fuel transfer pump, air is entering through the suction side of the fuel system.
To avoid personal injury, always wear eye and face protection when using pressurized air.
To avoid damage, do not use more than 55 kPa (8 psi) to pressurize the fuel tank.
Pressurize the fuel tank to 35 kPa (5 psi). Do not use more than 55 kPa (8 psi) in order to avoid damage to the fuel tank. Check for leaks in the fuel lines between the fuel tank and the fuel transfer pump. Repair any leaks that are found. Check the fuel pressure in order to ensure that the fuel transfer pump is operating properly. For information about checking the fuel pressure, see Testing and Adjusting, "Fuel System Pressure - Test".
If the source of the air is not found, disconnect the supply line from the fuel tank and connect an external fuel supply to the inlet of the fuel transfer pump. If this corrects the problem, repair the fuel tank or the stand pipe in the fuel tank.
If the injector sleeve is worn or damaged, combustion gases may be leaking into the fuel system. Also, if the O-rings on the injector sleeves are worn, missing, or damaged, combustion gases may leak into the fuel system.


Parts tpi Mercury:

825207A 1
 
825207A 1 TPI/CDM TEST HARNESS
1031203PD, 1031203UB, 1031203UD, 1031207ZF, 1031312DB, 1040213YL, 1041312UB, 10432037D, 1043203DD, 1043203VD, 1043213DD, 1043302DD, 1043411DD, 1043412DB, 1043412DD, 1050302DB, 1050302FB, 1050302FD, 1050312FB, 1050411DD, 1050412DB, 1050412DD, 1050412F
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