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techtalk:ref:tools160 [2020/08/11 21:55] – [Dissecting the MityVac 8000] hippysmacktechtalk:ref:tools160 [2024/01/24 22:41] (current) – hippysmack
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 [[:techtalk:menu|{{  :techtalk:gototechnicalmenu.jpg|}}]] [[:techtalk:menu|{{  :techtalk:gototechnicalmenu.jpg|}}]]
 ====== REF: Tools - 160 ====== ====== REF: Tools - 160 ======
-====== Hand Operated Vacuum Pump / Testers ====== +====== MityVac Vacuum Pump Function and Usage ====== 
- +See also in the Sportsterpedia; \\ 
-====== Vacuum Pump ======+[[techtalk:ref:wheels06#bleeding_the_brake_lines|Click here]] for the full article on bleeding brakes. \\ 
 +[[techtalk:evo:engctl01#voes_-_vacuum-operated_electric_switch|Click here]] for VOES testing with a MityVac. \\ 
 +[[techtalk:evo:engctl03#tmap_-_temperature_manifold_absolute_pressure|Click here]] for MAP and TMAP sensor testing. \\ 
 +[[techtalk:evo:body02#vacuum_test_the_petcock|Click here]] for testing the fuel petcock. \\
  
 A hand operated vacuum pump is a versatile tool that can be used to test a variety of automotive systems and perform a number of useful tasks. ((MityVac MV-8000 Operating Manual)) \\ A hand operated vacuum pump is a versatile tool that can be used to test a variety of automotive systems and perform a number of useful tasks. ((MityVac MV-8000 Operating Manual)) \\
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    - The pump can be connected into a vacuum circuit and used to measure existing amounts of vacuum, just as any vacuum gauge would be used. \\ When used this way, do not pump the handle, or incorrect readings may result.    - The pump can be connected into a vacuum circuit and used to measure existing amounts of vacuum, just as any vacuum gauge would be used. \\ When used this way, do not pump the handle, or incorrect readings may result.
    - The vacuum gauge can be useful for detecting a fluctuating vacuum supply or a leaky hose.    - The vacuum gauge can be useful for detecting a fluctuating vacuum supply or a leaky hose.
 +   - It can be used to test vacuum operated petcocks.
 +   - It can be used to keep a constant vacuum on a vacuum operated petcock to drain the fuel tank.
 +   - On cases with oil seepage along the case half seal, a MityVac has been used to apply a vacuum to the breathers (in the heads) for an external sealer application. ((aswracing of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/194722-crooked-crankcase#post4230741)) \\ Carefully clean area to be sealed (lacquer thinner) and then externally apply a quality case half sealer like Three Bond. \\ The vacuum helps pull it into the seam.
  
 ===== Proper Care and Maintenance ===== ===== Proper Care and Maintenance =====
- +Handle the vacuum pump carefully or the gauge accuracy may be affected. ((MityVac MV-8000 Operating Manual)) \\
-Handle the vacuum pump carefully and do not or handle it roughly as the gauge accuracy may be affected. ((MityVac MV-8000 Operating Manual)) \\+
 Silicone oil is suggested to lubricate the pump / O-rings if needed. \\ Silicone oil is suggested to lubricate the pump / O-rings if needed. \\
 DOT 5 brake fluid (silicone based) or vegetable salad oil can also be used as lubricant in absence of silicone oil. \\ DOT 5 brake fluid (silicone based) or vegetable salad oil can also be used as lubricant in absence of silicone oil. \\
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 ====== Dissecting the MityVac MV-8000 ====== ====== Dissecting the MityVac MV-8000 ======
- 
 {{:techtalk:ref:tools:mityvac_mv8000_pic1_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) \\ {{:techtalk:ref:tools:mityvac_mv8000_pic1_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) \\
  

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