PTO/Hydraulic Pump
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09-05-2015, 15:55
(This post was last modified: 09-05-2015 15:59 by travelite.)
Post: #11
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RE: PTO/Hydraulic Pump
Another thing about the LXi's PWM hydraulic fan drive control is that it trims the fan speed when at high engine rpms. The idea is max S60 horsepower is around 1800 rpm. The fan drive control is programmed to deliver maximum fan speed when the engine is delivering maximum hp. As the engine revs progress from 1800 to 2100 the fan speed is clamped at the 1800 value, trimmed. This way additional engine horsepower isn't consumed by the fan when the cooling needs are actually dropping.
david brady, '02 Wanderlodge LXi 'Smokey' (Sold), '04 Prevost H3 Vantare 'SpongeBob' "I don't like being wrong, but I really hate being right" |
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