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Mike · 12-03-2003, 05:46 AM

Jon,
if your engine has a problem i.e. overheating, oil pressure
a warning light will come on, this is followed by an engine shut down. The OVERIDE switch overides the shut down for a short time (we are talking seconds) to enable you to get the coach to a safe place & out of traffic.
Mike
[TechTalk Editor: Actually, the system works slightly differently than explained above. On the Cummins '555' the manual override switch has to be held on (spring loaded position) in order for the engine to start. Once sufficient oil pressure was obtained the oil pressure override switch
can be released. If the engine loses oil pressure, this system will probably shut the engine down, except when the switch is held open, as suggested above. However, the switch is not related to engine temperature shutdown.]

12-03-2003, 05:46 AM	#6
Mike New Member Join Date: Mar 2008 Posts: 2	Jon, if your engine has a problem i.e. overheating, oil pressure a warning light will come on, this is followed by an engine shut down. The OVERIDE switch overides the shut down for a short time (we are talking seconds) to enable you to get the coach to a safe place & out of traffic. Mike [TechTalk Editor: Actually, the system works slightly differently than explained above. On the Cummins '555' the manual override switch has to be held on (spring loaded position) in order for the engine to start. Once sufficient oil pressure was obtained the oil pressure override switch can be released. If the engine loses oil pressure, this system will probably shut the engine down, except when the switch is held open, as suggested above. However, the switch is not related to engine temperature shutdown.]