Fuel metering pump delivery quantity, testing fuel delivery of heater booster

AD83.70-P-7001-01A

Fuel metering pump delivery quantity, testing fuel delivery of heater booster

Model 210 up to 28.02.97

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Scope of test

Measuring instrument/
Test connection

Operation/Requirement

Specified value

 Possible cause/Remedy

1.0

Stationary heater fuel metering pump (Y23)

Delivery quantity

Model 210 up to 28.02.97

100 ml measuring cylinder

 Disconnect fuel supply line on heater unit and insert in measuring cylinder

 Start engine

 Wait for malfunction shut-down with single repeat start (approx.
7 minutes)

 Switch off engine

 Check quantity of fuel in measuring cylinder.

912 ml

 Stationary heater fuel metering pump (Y23)

 Stationary heater/heater booster control module (A6n1)