12.14 To remove any electrical connector, press the two tabs at the front and back of each connector and lift the connector up
15. Remove the fuel pressure regulator and fuel flow meter cover.
Note: Do not remove the fuel pressure regulator gasket or fuel gauge cover; leave it in place to protect the castings from damage when removing the injectors.
16. Use a screwdriver and a support (see illustration) to remove the injector.
12.16 To remove the injector, insert the tip of a flat-head screwdriver under the tab of the clamp on top of the injector and, using another screwdriver as a support, carefully remove the injector
17. Remove the upper (larger) and lower (smaller) sealing rings and filter from the injector.
18. Remove the steel washer from the top of the injector.
19. Inspect the fuel injector filter for dirt and deposits. Also check for dirt in the fuel line and fuel tank.
20. Make sure that the injectors are replaced with identical ones. Other model injectors may fit the TBI Model 220 unit, but they may be calibrated for different output.
21. Pull the new filter onto the injector (see illustration).
12.21. Pull the new filter onto the injector
22. Lubricate the new lower O-ring with transmission hydraulic fluid, then place it on the groove in the bottom of the injector in the fuel meter housing (see illustration).
12.22. Lubricate the lower O-ring with transmission hydraulic fluid, then place it on the groove in the bottom of the injector
23. Install the steel rear washer (see illustration).
12.23 Place the steel rear washer on the recess near the top of the injector
24. Lubricate the new top (larger size) the O-ring with transmission fluid, then install it on top of the steel washer (see illustration).
12.24 Lubricate the upper O-ring with transmission fluid, then install it on top of the steel washer
Note: The washer and large o-ring should be installed in front of the injector. Failure to do so may result in improper seating of the large O-ring, causing fuel leakage.
Note: Electrical contacts must be parallel to the throttle axis.
12.25. Make sure that the protrusion is aligned with the recess in the lower part of the injector cavity
26. Install the fuel flow meter cover and gasket.
27. Connect the wire to the battery.
28. After turning off the engine and leaving the ignition on, check for fuel leaks.
29. Connect the electrical connectors to the injectors.
30. Reinstall the air filter, adapter and gaskets.