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techtalk:ref:wheels06a [2019/06/29 22:48] – [An exercise in Bleeding the Brake System] 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. \\
  
 ====== Clean All Old Brake Fluid Out of the M/C ====== ====== Clean All Old Brake Fluid Out of the M/C ======
  
-Make sure the master cylinder has new and clean brake fluid in it. \\+Before replacing fluid or bleeding the air from your M/C, make sure the master cylinder has new and clean brake fluid in it. \\
 Remove (soak up) any old fluid with a rag or paper towel and wipe down the inside of the M/C. \\ Remove (soak up) any old fluid with a rag or paper towel and wipe down the inside of the M/C. \\
  
 +Then add the proper fluid to the fill line. \\
 +If in doubt about what type fluid to use, refer to your FSM and it's also stamped on the cover. \\
 +See more information here about [[techtalk:ref:wheels03#brake_fluid|Brake Fluid]] in the REF section of the Sportsterpedia. \\
  
-|{{:techtalk:ref:wheels:excersize_in_bleeding_brakes_1_by_hippysmack.jpg?direct&300|}}|+You can see the difference in the color of the old and new brake fluid in the reservoir. \\ 
 +You don't want to send more old brake fluid in the system while you are working. \\
  
-|{{:techtalk:ref:wheels:excersize_in_bleeding_brakes_2_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_4_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|}}
  
-|{{:techtalk:ref:wheels:excersize_in_bleeding_brakes_5_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ref:wheels:excersize_in_bleeding_brakes_6_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ref:wheels:excersize_in_bleeding_brakes_7_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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 [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]] [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]]

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