User Manual

ManualsBrandsPerkins Engine ManualsOther854F-E34T, 854E-E34TA, 854F-E34TA Systems Operation Testing and Adjusting

Illustration 57 g02529617

Typical example

1. Disconnect the pipe for the boost sensor (1) at the

wastegate actuator (2). Connect an air supply to

the wastegate actuator that can be adjusted

accurately.

2. Install Tooling (A) to the turbocharger so that the

end of the actuator rod (3) is in contact with

Tooling (A). This will measure axial movement of

the actuator rod (3).

3. Slowly apply air pressure to the wastegate so that

the actuator rod (3) moves 10 mm (0.3937 inch).

Refer to Specifications, “Turbocharger” for the

correct pressure for the wastegate. Ensure that

the dial indicator returns to zero when the air

pressure is released. Repeat the test several

times. This will ensure that an accurate reading is

obtained.

4. If the operation of the wastegate is not correct, the

turbocharger will need to be replaced.

5. Repeat steps 2 to 3 in order to repeat the pressure

test.

6. If the air pressure is correct, remove the air supply.

Remove Tooling (A). Install the pipe for the boost

sensor (1).

i04552042

Exhaust Cooler (NRS) - Test

Air Under Water Leak Test Procedure.

1. Follow steps 1.a to 1.i in order to test the coolant

side of the exhaust gas cooler (NRS).

a. Plug the coolant inlet of the exhaust gas cooler

(NRS).

b. Plug the coolant outlet port with tube and

pressure regulator assembly.

c. Make sure that the air pressure regulator is

closed and connect compressed air to the

pressure regulator.

d. Use a suitable air supply in order to apply an air

pressure of 250 kPa (36 psi) to the exhaust gas

cooler (NRS).

e. While the exhaust gas cooler (NRS) is still

pressurized, submerge the cooler in water that

is at ambient temperature.

f. Allow the exhaust gas cooler (NRS) to settle in

order for the air that is trapped to escape.

g. Observe the exhaust gas cooler (NRS) for air

bubbles that indicate a leak. If air bubbles are

seen within 3 minutes, this indicates a leak with

the exhaust gas cooler (NRS). Note the location

or the origin of the leak. Record this information.

h. If no bubbles are detected after 3 minutes, the

exhaust gas cooler (NRS) is reusable.

i. Remove the exhaust gas cooler (NRS) from the

water. If the exhaust gas cooler (NRS) does not

leak, the problem may be elsewhere in the

cooling system or the engine. Refer the service

manual in order to check for leakage. If the

exhaust gas cooler (NRS) does leak, the

exhaust gas cooler (NRS) should be replaced.

2. Follow steps 2.a to 2.i in order to test the gas side

of the exhaust gas cooler (NRS).

a. Plug the gas inlet of the exhaust gas cooler

(NRS).

b. Plug the gas outlet port with tube and pressure

regulator assembly.