Shown here is a fuel filter "Bosch" the previous configuration with a manual pump for pumping the fuel system. The arrows indicate the direction of fuel flow. 1 - hand pump handle; 2 - plug for air release; 3 - removable part of the filter; 4 - cavity where water is collected; 5 - threaded drain plug.
Manual priming pump
A hand pump is installed on the top of the filter housing (on older models with a company injection system "Bosch"). Using a pump, you can pump and remove air from the system. When exposed to the starter, new models carry out self-priming. For this reason, hand pumps were no longer installed in newer models.
Instruction. There is another fuel filter located inside the fuel tank. If the fuel system is not delivering enough fuel, this filter is probably dirty. The filter can be accessed if the fuel tank sensor is removed.
Removing water from the fuel filter
Water must be removed from the fuel filter regularly. It has already been said before why this is necessary.
Place a container under the machine to collect the drained diesel fuel.
Unscrew the air release plug.
Unscrew the water drain plug. Allow water to drain until clean fuel appears.
Close the cork.
Bleed the system with a hand pump or. in the system carried the pump, start the engine for automatic pumping.
Filter element replacement
A) At the fuel pump "Bosch":
- Unscrew the entire lower part of the filter.
- To do this, put a wrench on the hexagon at the bottom of the filter (above screw plug).
- Replace the filter element with a new one.
- Bleed the system manually or with the engine running.
b) For models with fuel pump "Lucas-CAV":
- Loosen the fixing bolt in the middle of the filter housing from the top until it can be rotated easily.
- Release the filter from the attachment to the body.
- Would way filter element and replace with a new one.
- When assembling the housing, please note that the filter element must be exactly in the middle, it presses on the sealing ring at the top and bottom of the filter.
- Install the filter on the body, tighten the central bolt.
In the picture - the fuel filter of the model "Lucas-CAV". The upper arrow points to the air outlet plug; the lower one - on a cork to remove water. | Fuel filter company "Bosch" without hand pump: 1 - fuel line leading to the high pressure fuel pump; 2 - fuel line coming from the tank; 3 - plug for air release; 4 - removable part of the filter; 5 - plug for removing water. |
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