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Dynojet Compressed Air Air/Fuel Ratio Module User Manual

Page 26

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Compressed Air Air Fuel Ratio Module Installation and User Guide

C H A P T E R 2
Air Pump Maintenance and Troubleshooting

2-10

4

Remove the sensor(s) from the sensor block.

5

Remove the sensor block.

6

Remove the silicon tube from the sensor block.

7

Loosen the vacuum generator lock nut.

8

Remove the vacuum generator exhaust port and venturi body.

9

Unscrew the venturi body from the solenoid.

10 Use a solvent to carefully clean the vacuum generator exhaust port, venturi body,

and sensor block.
Note: Be careful not to damage the internal structure of the venturi body.

11 Secure the solenoid to the venturi body.
12 Install the vacuum generator exhaust port to the venturi body.
13 Secure the sensor block to the pump housing using the two screws removed

earlier.

14 Install the sensor(s).
15 Replace the silicon tube between the sensor block and the venturi body.
16 Replace the silicon tube to the sensor block.
17 Re-calibrate the pump using the flow meter. Refer to page A-5 for more

information.

Figure 2-8: Pump Maintenance—On Dyno Pump

lock nut

vacuum generator

exhaust port

venturi body

sensor block

sensor

silicon tube

solenoid