E 300 (124.131) L6-3.0L DSL (606.910) (1995)
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Condenser Fan: Description and Operation
Auxiliary Fans (M4m1 & M4m2)
PURPOSE
The auxiliary cooling fans, which are located in front of the A/C condenser, provide additional air flow across the condenser and radiator to assist during
periods of high thermal load.
Relay Location
OPERATION
Auxiliary fan activation takes place in two stages:
^
Low speed is activated by the dual function pressure switch in the receiver drier at approx. 290 psi (20 bar), via relay (K10) and a pre-resistor.
