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--- astra_conv:conversion:vacuum_pump:vacuum_pump [2013/09/13 12:48]
admin
+++ astra_conv:conversion:vacuum_pump:vacuum_pump [2014/03/13 23:38]
richard
@@ Line 1: / Line 1: @@
+{{indexmenu_n>015}}
+====== vacuum pump ======
+As already discussed [[astra_conv:conversion:conversion#substitute_for_all_engine_features|here]], an electrical vacuum pump is required to power the brake booster.
+The pump is a used part, but in good condition.
+{{:astra_conv:conversion:vacuum_pump:p1090114.jpg?600|}}
+==== circuitry ====
+The pump is controlled by a vacuum switch and the [[astra_conv:conversion:distribution_boxes:distribution_boxes#vacuum_pump_driver|vacuum pump driver]]. This is also shown in the general wiring diagram.
+==== mechanical setup ====
+The mounting bracket consists of a base that is bolted to the [[astra_conv:conversion:auxiliary_frame:auxiliary_frame#battery_box_frame|battery box auxiliary frame]], and a top part that holds the pump.
+{{:astra_conv:conversion:vacuum_pump:p1090556.jpg?400|}} {{:astra_conv:conversion:vacuum_pump:p1090555.jpg?400|}}
+{{:astra_conv:conversion:vacuum_pump:p1100424.jpg?400|}} {{:astra_conv:conversion:vacuum_pump:p1100426.jpg?400|}}
+Mounted pump. It is essential to suspend the pump in very soft bearings. Otherwise, it will be terribly noisy. I have also put some butyl rubber dampening mats on pump and bracket to further silence it, and slightly throttled it's spin by a series resistor.
+{{:astra_conv:conversion:vacuum_pump:p1100857.jpg?800|}}
+{{actionlink>top|*** back to top of this page ***}}

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