At 08:01 AM 2/8/2000 -0600, John Rodgers wrote: >The low pressure switch is normally closed, completing the circut to the >warning light. When the ignition switch is turned on, energizing the >circuit, but the engine is not started, the light comes on and flashes. Right >When the engine starts, pressue at the switch opens the connection and >shuts off the light, thereby indicating proper oil pressure. 0.3 bar would be about 4.5 psi
>The high pressure switch is normally open, therefore there is no power >to the light or the buzzer. If a high pressure condition comes to exist, >such as a stuck oil check valve, etc, which could blow the seal at the >oil filter or elsewhere, the high pressure closes the switch completing >the circuit to the warning light and the warning buzzer, and the light >comes on and the buzzer sounds. Well...no. 0.9 bar is about 12 psi. Both senders feed a circuit (the infamous "L-board") on the panel which flashes the light and sounds the buzzer if the .9 bar switch *does not* close before 2000 rpm. cheers david
David Beierl - Providence, RI http://pws.prserv.net/synergy/Vanagon/ '84 Westy "Dutiful Passage" '85 GL "Poor Relation" |
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