- When performing any work that affects the fuel injection device, the following precautions must be taken:
- Before working with the device, be sure to disconnect the battery.
- Do not smoke or work with open flames near the engine compartment.
- Avoid contact of fuel with rubber and leather parts.
- Use the battery only to connect a stroboscope, rev counter, etc.
- When washing the engine compartment, do not pour water on the fuel injection device.
- Before disconnecting the connector from the electrical element of the device, either turn off the ignition or, better yet, disconnect the battery.
- Observe polarity when installing the battery.
- During removal of parts (it is recommended to do this at a service station) handle components, especially the control unit, with great care.
- All parts must be replaced as units.
- When disconnecting the connector, remove the lock as shown on the left side of Figure 139 and then disconnect the connector as shown on the right side of the figure. When connecting, press both parts of the connector until the lock spring snaps into place.
Fig. 139. When disconnecting the connectors, lift the retaining spring (2) as shown in the figure and pull the connector out. When connecting the connectors, the spring must be securely fixed.
(The material is reprinted from an online resource: «www.toyotaman.ru»)
- When disconnecting the pipes, place a container underneath. Slowly loosen the union nut and carefully disconnect the pipe. Close open pipes appropriately to prevent dirt from entering. When tightening the union nut or hollow bolt, first tighten them with your fingers and then tighten them to a torque of 32 - 44 Nm. If there are sealing rings, they must be replaced,
- When removing the injectors, be sure to replace the sealing rings. Lubricate the sealing rings with fuel, not engine oil.