File:WPEVVacuumControl.png
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DescriptionWPEVVacuumControl.png |
English: Vacuum pump control for an electric vehicle conversion. Image drawn and uploaded by User:Leonard G..
PDV version for printing at :Image:WPEVVacuumControl.pdf Upper portion of drawing is wiring logic diagram. Lower part is a physical wiring guide. Relay shown is a common automotive relay, but note that some examples of this type of relay may have a different orientation of the mounting tab. Colors used are for diagram purposes and may not correspond to colors used in vehicle. This allows the turn-on and turn-off pump settings to be individually adjusted. By adjusting for a wide operating band, numerous short pump cycles are avoided. The third vacuum switch is an optional low vacuum warning that is connected to the vehicle's oil pressure warning light. Theory of operation.
The vacuum point settings may differ from one vehicle to another. The vacuum pump start point should be sufficient to assist the brakes in a hard stop. If the setting is too low a hard stop will require more than the usual pedal pressure. Note that when starting from a cold start that it will take a moment to produce effective vacuum. It is a good idea to wait for the warning light to extinguish, ensuring sufficient brake boost vacuum for all normal operations. Wire sizes. Battery power to Ry VP, pump power from this relay, the pump power ground should be AWG #12, with an appropriate fuse at the twelve volt service battery. Other wires are low current and may be AWG #16 or #18. |
Date | 7 November 2005 (original upload date) |
Source | Transferred from en.wikipedia to Commons by IngerAlHaosului using CommonsHelper. |
Author | The original uploader was Leonard G. at English Wikipedia. |
Permission (Reusing this file) |
CC-SA. |
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Original upload log edit
- 2005-11-07 03:40 Leonard G. 571×730× (16108 bytes) Vacuum pump control for an [[electric vehicle conversion]]. Image drawn and uploaded by [[User:Leonard G.]]. PDV version for printing at [[:Image:WPEVVacuumControl.pdf]] {{cc-sa}}
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current | 12:10, 18 January 2010 | 571 × 730 (16 KB) | File Upload Bot (Magnus Manske) (talk | contribs) | {{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|Vacuum pump control for an en:electric vehicle conversion. Image drawn and uploaded by [[:en:User |
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