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techtalk:ref:wheels06a [2019/06/29 23:02] – [Clean All Old Brake Fluid Out of the M/C] hippysmacktechtalk:ref:wheels06a [2020/07/17 04:26] (current) – [Test the M/C] hippysmack
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 ====== An Exercise in Bleeding the Brake System ====== ====== An Exercise in Bleeding the Brake System ======
-Link to this page: \\ 
-See also [[techtalk:ref:wheels06a|An Exercise in Bleeding the Brake System]] \\ 
 The test subject is a brake lever and master cylinder from a 95 Kawasaki but the process is the same for a Sportster. \\ The test subject is a brake lever and master cylinder from a 95 Kawasaki but the process is the same for a Sportster. \\
  
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 You don't want to send more old brake fluid in the system while you are working. \\ You don't want to send more old brake fluid in the system while you are working. \\
  
-|{{:techtalk:ref:wheels:excersize_in_bleeding_brakes_1_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ref:wheels:excersize_in_bleeding_brakes_3_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ref:wheels:excersize_in_bleeding_brakes_5_by_hippysmack.jpg?direct&300|}}|+{{:techtalk:ref:wheels:excersize_in_bleeding_brakes_1_by_hippysmack.jpg?direct&300|}} {{:techtalk:ref:wheels:excersize_in_bleeding_brakes_3_by_hippysmack.jpg?direct&300|}} {{:techtalk:ref:wheels:excersize_in_bleeding_brakes_5_by_hippysmack.jpg?direct&300|}}
  
 +====== Test the M/C ======
 +**For a pressure squirt**: \\
 +With new fluid in the M/C, before attempting to move fluid or bleed the air, lightly squeeze the lever or pedal. \\
 +Watch for a spurt of fluid from the hole in the bottom. \\
 +This shows the seals are operating properly. \\
 +If you squeeze / push too hard with the cap off, the spurt will be higher and may come out of the M/C onto the bike parts. \\
 +If using DOT 5 fluid, this is a simple matter of cleanup with a rag. \\
 +If using DOT3,4 or 5.1 then it needs to be hosed off with water immediately as these type fluids will eat your paint. \\
 +{{:techtalk:ref:wheels:excersize_in_bleeding_brakes_8_by_hippysmack.jpg?direct&300|}} {{:techtalk:ref:wheels:excersize_in_bleeding_brakes_9_by_hippysmack.jpg?direct&300|}} {{:techtalk:ref:wheels:excersize_in_bleeding_brakes_10_by_hippysmack.jpg?direct&300|}} \\
 +
 +**For air bubbles**: \\
 +With the cap off, tickle the lever / pedal and check for air bubbles to come up inside the M/C. \\
 +If you see any bubbles, before sending these down the brake line, continue to tickle until they are no longer created. \\
 +{{:techtalk:ref:wheels:excersize_in_bleeding_brakes_11_by_hippysmack.jpg?direct&300|}} {{:techtalk:ref:wheels:excersize_in_bleeding_brakes_12_by_hippysmack.jpg?direct&300|}} \\
 +
 +====== How Air Bubbles Move ======
 +
 +Here's a short video on how the air moves as the lever is tickled. \\
 +{{:techtalk:ref:wheels:tickling_the_brake_pedal-lever_1_by_hippysmack.mp4 |}} ((video by Hippysmack)) \\
  
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