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OPERATOR WARNING 3W2943 - Caterpillar


3W2943 OPERATOR WARNING Caterpillar parts 953
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30
Alternative (cross code) number:
CA3W2943
3W-2943
3W2943
Caterpillar 3W2943 OPERATOR WARNING
Weight: 1 pounds 0 kg.

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TRACK LOADER,

Compatible equipment models: 3W2943:

TRACK LOADER  953   Caterpillar
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Pressure Test
Ensure that you wear eye protection at all times during testing. When fuel injection nozzles are tested, test fluids travel through the orifices of the nozzle tip with high pressure. Under this amount of pressure, the test fluid can pierce the skin and cause serious injury to the operator. Always keep the tip of the fuel injection nozzle pointed away from the operator and into the fuel collector and extension.
Illustration 1 g00910915
5P-4150 Nozzle Testing Group
(1) 5P-7448 Adapter
(2) Fuel injection nozzle
(3) 6V-2170 Tube assembly
(4) 1U-8857 Extension
(5) 8S-2270 Fuel collector
(6) 8T-5313 Filter
Do not use dirty test fluids when you test fuel injection nozzles. Also, do not test fuel injection nozzles unless you have the correct service tools.The use of dirty test fluids and the use of incorrect service tools will result in damage to fuel injection nozzles.
Connect fuel injection nozzle (2) to the tooling that is shown in Illustration 1. The spray from the fuel injection nozzle must be directed into the 1U-8857 Extension (4) and the 8S-2270 Fuel collector (5).Opening pressure for the injectors is 25338 345 kPa (3675 50 psi).If the opening pressure is not within the range of the setting which is given in the table, the fuel injection nozzle must be replaced.Use clean 6V-6068 Calibration Fluid when the fuel injection nozzles are tested. The calibration fluid is equivalent to SAE J-967 (ISO 4113) oil.
Close the gauge protector valve. Close the shutoff valve. Open the pump isolator valve. In order to flush the fuel injection nozzle, operate the nozzle tester for 10 to 15 strokes at a rate of approximately 60 strokes per minute.
Open the gauge protector valve. Slowly increase the pressure until the valve in the fuel injection nozzle opens. Note the highest pressure indication on the dial indicator before the pointer moves to 0 kPa (0 psi). This highest pressure indication is the opening pressure of the fuel injection nozzle. The opening pressure is defined when valve needle is lifted from the valve seat.
If the opening pressure is not within the range of the setting that is given in the table, the fuel injection nozzle must be replaced. Back Leakage Test
Connect fuel injection nozzle (2) to the tooling. Refer to Illustration 1 for more information. Position the fuel injection nozzle so that the direction of the fuel spray is into the 1U-8857 Extension (4) and the 8S-2270 Fuel collector (5).
Pump the pressure to about 1030 kPa (150 psi) below the opening pressure of the fuel injection nozzle. Release the handle. When the pressure begins to decrease, note the time that is required for the pressure to decrease to approximately 0 kPa (0 psi). If the fuel injection nozzle is not faulty, the time will not be less than 5 seconds or more than 45 seconds.
Look for any leakage. If leaks are visible, make sure that the components are tightened to the correct torque. Replace the fuel injection nozzle if there is excessive fuel

Caterpillar parts catalog:

Caterpillar parts catalog
953 TRACK TYPE LOADER 44Z00001-UP (MACHINE) POWERED BY 3204 ENGINE


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7W0611 OPERATOR AS
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3508, 3512, 3516
7W0618 OPERATOR AS
3508, 3512, 3512C, 3516, 3516B
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