Dynojet Air Fuel Ratio Module - Manual (Page 26)

Air Fuel Ratio Module Installation and User Guide
C H A P T E R 2
Air Pump Maintenance and Troubleshooting
2-16
15 Check the condition of the diaphragm. If the diaphragm is cracked or
deteriorated, replace the diaphragm.
15a Remove the four No. 2 phillips head screws securing the mounting plate and
remove the plate.
15b Inspect the diaphragm and replace if necessary.
15c Secure the mounting plate with the screws you removed earlier.
Note: Be sure the screws securing the mounting plate are the smaller of the flat-
head screws. The pump will not function properly if the longer screws are used.
16 Secure the pump head with the screws you removed earlier. Refer to Figure 2-14.
Note: Be sure to replace the pump head with the correct inlet/outlet orientation
or the pump will not function properly.
Figure 2-17: Inspect the Diaphragm
mounting plate
diaphragm
inlet labeled B
outlet labeled A