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techtalk:ref:genmsr04 [2020/10/26 17:33] hippysmack [Where to Connect to the Engine] |
techtalk:ref:genmsr04 [2020/10/30 00:30] hippysmack [Modified Oil Tank Cap] |
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| [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | ||
| - | ====== REF: Engine Mechanicals - Sub-04F ====== | + | ====== REF: General-MSR 04 ====== |
| \\ | \\ | ||
| ====== Using / Diagnosing with a Slack Tube (Manometer) ====== | ====== Using / Diagnosing with a Slack Tube (Manometer) ====== | ||
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| * [[techtalk:ref:tools173#manometer_slack_tube_for_measuring_air_pressure|Manometer (slack tube) for Measuring Air Pressure]] (what it is and how it works) | * [[techtalk:ref:tools173#manometer_slack_tube_for_measuring_air_pressure|Manometer (slack tube) for Measuring Air Pressure]] (what it is and how it works) | ||
| * [[techtalk:ref:engmech04e|Building Your Own Slack Tube]] | * [[techtalk:ref:engmech04e|Building Your Own Slack Tube]] | ||
| + | * [[techtalk:ref:genmsr04a|Modifying a Rubber Stopper for Oil Tank Pressure Testing]] | ||
| * [[techtalk:ref:engmech04g|Slack Tube Testing on a 1998 1250S Sportster]] | * [[techtalk:ref:engmech04g|Slack Tube Testing on a 1998 1250S Sportster]] | ||
| * [[techtalk:ref:engmech07p|Testing with a Slack Tube (Manometer) by bustert]] | * [[techtalk:ref:engmech07p|Testing with a Slack Tube (Manometer) by bustert]] | ||
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| Or, you can install a valve on the source outlet to throttle (control) the air pressure that goes to the manometer. \\ | Or, you can install a valve on the source outlet to throttle (control) the air pressure that goes to the manometer. \\ | ||
| The ID of the valve needs to be no less than the ID of the source outlet (1/4" outlet needs a 1/4" or higher ID valve). \\ | The ID of the valve needs to be no less than the ID of the source outlet (1/4" outlet needs a 1/4" or higher ID valve). \\ | ||
| + | |||
| + | You can pinch off the clear hose with your fingers, start the engine and gradually let go of the hose to see if the water is going to back feed into the engine. \\ | ||
| + | That way you'll know for sure if you need a valve or not. \\ | ||
| ==== Timing Hole Plug (57-03) ==== | ==== Timing Hole Plug (57-03) ==== | ||
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| | **Timing hole plug fittings** ||| | | **Timing hole plug fittings** ||| | ||
| - | |3/8" flare to 1/4" FPT fitting \\ with a 1/4" MPT to 3/8" hose barb. ((photo by aswracing of the XLFORUM http://xlforum.net/forums/showthread.php?t=1946516&page=4))|3/8" NPT x 1/4" NPT bushing and a 1/4" NPT to 1/8" hose barb fiting. ((photos by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790))|| | + | |3/8" flare to 1/4" FPT fitting \\ with a 1/4" MPT to 3/8" hose barb. ((photo by aswracing of the XLFORUM http://xlforum.net/forums/showthread.php?t=1946516&page=4))|3/8" NPT x 1/4" NPT bushing and a 1/4" NPT to 3/16" hose barb fiting. ((photos by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790))|| |
| - | |{{:techtalk:ref:engmech:timing_plug_adapter_by_aswracing.jpg?direct&300|}}|{{:techtalk:ref:genmsr:timing_hole_fitting_for_slack_tube.jpg?direct&300|}}| {{:techtalk:ref:engmech:homemade_slack_tube_1_by_hippysmack.jpg?direct&300|}}| | + | |{{:techtalk:ref:engmech:timing_plug_adapter_by_aswracing.jpg?direct&300|}}|{{:techtalk:ref:genmsr:timing_hole_fitting_for_slack_tube_by_hippysmack.jpg?direct&300|}}| {{:techtalk:ref:engmech:homemade_slack_tube_1_by_hippysmack.jpg?direct&300|}}| |
| | Fitting installed (just snugged up) with clear hose and a homemade manometer. ((photos by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790)) ||| | | Fitting installed (just snugged up) with clear hose and a homemade manometer. ((photos by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790)) ||| | ||
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| |6000 \\ RPM|{{:techtalk:ref:engmech:checking_cc_pressure_at_timing_hole_plug_6_by_bustert.jpg?direct&300|}}|{{:techtalk:ref:engmech:checking_cc_pressure_at_oil_tank_6_by_bustert.jpg?direct&300|}}|6000 \\ RPM| | |6000 \\ RPM|{{:techtalk:ref:engmech:checking_cc_pressure_at_timing_hole_plug_6_by_bustert.jpg?direct&300|}}|{{:techtalk:ref:engmech:checking_cc_pressure_at_oil_tank_6_by_bustert.jpg?direct&300|}}|6000 \\ RPM| | ||
| + | ==== Modified Oil Tank Cap ==== | ||
| + | |||
| + | You can drill a hole for an NPT fitting in a spare oil cap or make a cap just for testing. \\ | ||
| + | The one below was made from a rubber plug bought at Lowes. [[techtalk:ref:genmsr04a|Click here]] to see the pics of the mod. \\ | ||
| + | |||
| + | {{:techtalk:ref:genmsr:homemade_test_oil_cap_6_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) \\ | ||
| + | If you're testing the 04-up plastic oil tank for high pressure, the oil cap is not going to be helpful as a test point. \\ | ||
| + | You need a tee installed in the vent line for that. \\ | ||
| ====== Testing crankcase pressure ====== | ====== Testing crankcase pressure ====== | ||
