Fuel Pump DP 30.2 24v with damper for Webasto TH heaters (Diesel) - 85155B

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Fuel Pump DP 30.2 24v with damper and mounting kit,

Suitable for Webasto heaters:

  • Thermo 90/S/ST/Pro,

Please note 24v only,

Diesel only.

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Data sheet

ManufacturerWebasto (Germany)
Fuel typeDiesel
Voltage24 V

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Fuel pump (dosing pump)

The dosing pump is a combined supply, dosing and shut-off system to provide the heater with fuel from the vehicle’s fuel tank. The dosing pump is controlled by pulses emanating from the control unit.

Check the fuel pump.

The performance of the fuel pump is measured using the Thermo Test diagnostic tester. It is necessary to measure the amount of fuel that pumps the metering pump for a certain number of piston strokes. To do this, remove the fuel supply pipe from the heater and place it in the measuring container (20 ml). To activate the function of filling the fuel line. Perform three filling cycles. The first is needed to guarantee the filling of the fuel line, the second and third - to measure. After operation of the metering pump for 60 seconds, the amount of fuel should be 20 ± 2 ml. You can also apply 256 pulses to the terminals of the dosing pump (operating voltage of the heater), the amount of fuel should be in the range from 14.5 to 17.5 ml. In case of seizure of the piston, valve,

Installation positions.

Before installing the metering pump, make sure that the excess pressure at the fuel intake is less than 0.2 bar. It is advisable to place the dosing pump in a cool place. The ambient temperature should never exceed + 20 ° C for gasoline and + 40 ° C for diesel heaters at any time. The dosing pump and fuel lines must not be installed near heat-emitting parts of the vehicle. If this is not possible, thermal insulation should be provided. The preferred installation location is near the fuel tank.

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Thermo 90/S/ST/Pro