Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision | ||
|
techtalk:ref:tools148 [2019/06/24 19:26] hippysmack |
techtalk:ref:tools148 [2024/01/24 21:55] (current) hippysmack |
||
|---|---|---|---|
| Line 2: | Line 2: | ||
| ====== REF: Tools - 148 ====== | ====== REF: Tools - 148 ====== | ||
| ====== Cylinder Leak-Down and Compression Testers ====== | ====== Cylinder Leak-Down and Compression Testers ====== | ||
| - | ====== Leak Down ====== | + | ====== Leak Down Tester ====== |
| See also [[techtalk:ref:svcproc21|Performing a Cylinder Leak-Down Test]] in the REF section of the Sportsterpedia. \\ | See also [[techtalk:ref:svcproc21|Performing a Cylinder Leak-Down Test]] in the REF section of the Sportsterpedia. \\ | ||
| Line 11: | Line 11: | ||
| - | * When using the differential pressure gauge set, ((SHIPCHIEF of the XLFORUM http://xlforum.net/forums/showthread.php?t=48311)) | + | * When using the differential pressure gauge set, ((SHIPCHIEF of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/29105-cylinder-compression-and-leakage-tests-for-your-ironhead?t=48311)) |
| * The first gauge shows the regulated pressure. | * The first gauge shows the regulated pressure. | ||
| * Then, the air passes thru an orifice (a smaller hole inline between the two gauges to restrict the flow between them) to the second gauge. | * Then, the air passes thru an orifice (a smaller hole inline between the two gauges to restrict the flow between them) to the second gauge. | ||
| Line 17: | Line 17: | ||
| * This pressure (end to end) would ideally be the same if there is no cylinder, valve or head gasket leakage. | * This pressure (end to end) would ideally be the same if there is no cylinder, valve or head gasket leakage. | ||
| - | This test will also tell you what to look for at the top end of a tear down: worn exhaust valves, worn intake valves, leaky head gaskets, or worn rings. ((IronMick of the XLFORUM http://xlforum.net/forums/showthread.php?t=48311)) | + | This test will also tell you what to look for at the top end of a tear down: worn exhaust valves, worn intake valves, leaky head gaskets, or worn rings. ((IronMick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/29105-cylinder-compression-and-leakage-tests-for-your-ironhead?t=48311)) |
| - Turn on the compressor, connect the gauge to the air pressure, and adjust the gauge. | - Turn on the compressor, connect the gauge to the air pressure, and adjust the gauge. | ||
| Line 30: | Line 30: | ||
| |{{:techtalk:ref:tools:homemade_leakdown_tester_by_cjburr.jpg?direct&300|}}| | |{{:techtalk:ref:tools:homemade_leakdown_tester_by_cjburr.jpg?direct&300|}}| | ||
| - | ^ Homemade Leak-Down Tester ((photo by cjburr of the XLFORUM http://xlforum.net/forums/showthread.php?t=56497)) ^ | + | ^ Homemade Leak-Down Tester ((photo by cjburr of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-motor-top-end/32811-compression-check-how-to?t=56497)) ^ |
| ====== Compression Tester ====== | ====== Compression Tester ====== | ||
| - | {{techtalk:ref:svcproc:checking_compression_1_by_mathormell.jpg?direct&250|}} ((photo by MatHormell of the XLFORUM http://xlforum.net/forums/showthread.php?t=1976997&page=71)) {{techtalk:ref:svcproc:checking_compression_2_by_mathormell.jpg?direct&250|}} ((photo by MatHormell of the XLFORUM http://xlforum.net/forums/showthread.php?t=1976997&page=71)) | + | {{techtalk:ref:svcproc:checking_compression_1_by_mathormell.jpg?direct&250|}} ((photo by MatHormell of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-engine-conversions/183888-hammerperf-90-in-the-works/page71?t=1976997&page=71)) {{techtalk:ref:svcproc:checking_compression_2_by_mathormell.jpg?direct&250|}} ((photo by MatHormell of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-engine-conversions/183888-hammerperf-90-in-the-works/page71?t=1976997&page=71)) |
| ====== Spark Plug Hole Adapters for an Air Hose ====== | ====== Spark Plug Hole Adapters for an Air Hose ====== | ||
| These are used in place of the spark plug to hook up diagnostic tools (compression tester, leak-down tester etc.). \\ They can also be used to adapt a 14mm TDC whistle or piston stop to a Sporty engine. | These are used in place of the spark plug to hook up diagnostic tools (compression tester, leak-down tester etc.). \\ They can also be used to adapt a 14mm TDC whistle or piston stop to a Sporty engine. | ||
| + | |||
| ===== Commercially available ===== | ===== Commercially available ===== | ||
| - | |||
| * 14mm fittings are most commonly found at auto parts stores. | * 14mm fittings are most commonly found at auto parts stores. | ||
| * 12mm adapters are usually supplied along with compression and leak down kits. \\ They are also available at some auto parts stores and online tool companies. | * 12mm adapters are usually supplied along with compression and leak down kits. \\ They are also available at some auto parts stores and online tool companies. | ||
| Line 55: | Line 54: | ||
| **Welded**: \\ | **Welded**: \\ | ||
| |{{:techtalk:ref:tools:compression_test_adapter_by_fearlessfrisbee.jpg?direct&300|}}| | |{{:techtalk:ref:tools:compression_test_adapter_by_fearlessfrisbee.jpg?direct&300|}}| | ||
| - | ^Homemade air nipple welded into the plug. ((photo by FearlessFrisbee of the XLFORUM http://xlforum.net/forums/showthread.php?t=1481141))^ | + | ^Homemade air nipple welded into the plug. ((photo by FearlessFrisbee of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/136487-valve-job-shop-nearby?t=1481141))^ |
| **Brazed**: \\ | **Brazed**: \\ | ||
| Line 61: | Line 60: | ||
| This adapter was made using the same concept of removing the ceramic and brazing a male hose coupling to the end of a spark plug. | This adapter was made using the same concept of removing the ceramic and brazing a male hose coupling to the end of a spark plug. | ||
| |{{:techtalk:ref:tools:homemade_12mm_hose_adapter_by_screw_loose_dan.jpg?direct&400|}}| | |{{:techtalk:ref:tools:homemade_12mm_hose_adapter_by_screw_loose_dan.jpg?direct&400|}}| | ||
| - | ^ Homemade Hose Coupling ((photo by Screw Loose Dan of the XLFORUM http://xlforum.net/forums/showthread.php?t=56497&page=2)) ^ | + | ^ Homemade Hose Coupling ((photo by Screw Loose Dan of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-motor-top-end/32811-compression-check-how-to/page2?t=56497&page=2)) ^ |
| \\ | \\ | ||
| Line 67: | Line 66: | ||
| **Threaded**: \\ | **Threaded**: \\ | ||
| This is a homemade adapter (1/4" NPT to 12mm) that's relatively simple to make if you are having trouble finding the adapter you need. | This is a homemade adapter (1/4" NPT to 12mm) that's relatively simple to make if you are having trouble finding the adapter you need. | ||
| - | |A used spark plug is already threaded for the plug hole. You can grind the electrode off and remove the \\ insulator. Then thread the internal hole for the threads you'll be needing from your hose / apparatus ((photos by cjburr of the XLFORUM http://xlforum.net/forums/showthread.php?t=56497))|| | + | |A used spark plug is already threaded for the plug hole. You can grind the electrode off and remove the \\ insulator. Then thread the internal hole for the threads you'll be needing from your hose / apparatus ((photos by cjburr of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-motor-top-end/32811-compression-check-how-to?t=56497))|| |
| |{{:techtalk:ref:tools:homemade_12mm-to_quarter_npt_hose_adapter_1_by_cjburr.jpg?direct&300|}}|{{:techtalk:ref:tools:homemade_12mm-to_quarter_npt_hose_adapter_2_by_cjburr.jpg?direct&300|}}| | |{{:techtalk:ref:tools:homemade_12mm-to_quarter_npt_hose_adapter_1_by_cjburr.jpg?direct&300|}}|{{:techtalk:ref:tools:homemade_12mm-to_quarter_npt_hose_adapter_2_by_cjburr.jpg?direct&300|}}| | ||
| Line 73: | Line 72: | ||
| You'll need to tap threads into the gutted out portion of the plug. In order to get good threads in the plug body you need a bottoming tap (no taper). \\ | You'll need to tap threads into the gutted out portion of the plug. In order to get good threads in the plug body you need a bottoming tap (no taper). \\ | ||
| Or, you will have to grind down a 1/4" NPT tapered tap and make it shorter until it is able to go deep enough into the plug body to cut threads in the sides. | Or, you will have to grind down a 1/4" NPT tapered tap and make it shorter until it is able to go deep enough into the plug body to cut threads in the sides. | ||
| - | |Break the porcelain off with a hammer (eye protection required). Take a small screwdriver and break up the porcelain under the crimp (portion that holds the \\ porcelain in the plug body ), this will let you grind the crimp only and the job will go faster as the porcelain is harder to grind. Then pull the rest of it out. \\ You now have to tap threads in the gutted area for 1/4" NPT (national pipe thread)in the plug body and you are ready to go. ((photos by cjburr of the XLFORUM http://xlforum.net/forums/showthread.php?t=56497))||| | + | |Break the porcelain off with a hammer (eye protection required). Take a small screwdriver and break up the porcelain under the crimp (portion that holds the \\ porcelain in the plug body ), this will let you grind the crimp only and the job will go faster as the porcelain is harder to grind. Then pull the rest of it out. \\ You now have to tap threads in the gutted area for 1/4" NPT (national pipe thread)in the plug body and you are ready to go. ((photos by cjburr of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-motor-top-end/32811-compression-check-how-to?t=56497))||| |
| |{{:techtalk:ref:tools:homemade_12mm-to_quarter_npt_hose_adapter_3_by_cjburr.jpg?direct&300|}}|{{:techtalk:ref:tools:homemade_12mm-to_quarter_npt_hose_adapter_4_by_cjburr.jpg?direct&300|}}|{{:techtalk:ref:tools:homemade_12mm-to_quarter_npt_hose_adapter_5_by_cjburr.jpg?direct&300|}}| | |{{:techtalk:ref:tools:homemade_12mm-to_quarter_npt_hose_adapter_3_by_cjburr.jpg?direct&300|}}|{{:techtalk:ref:tools:homemade_12mm-to_quarter_npt_hose_adapter_4_by_cjburr.jpg?direct&300|}}|{{:techtalk:ref:tools:homemade_12mm-to_quarter_npt_hose_adapter_5_by_cjburr.jpg?direct&300|}}| | ||
| ^ Homemade 1/4" NPT to 12mm Spark Plug Hole Adapter ^^^ | ^ Homemade 1/4" NPT to 12mm Spark Plug Hole Adapter ^^^ | ||
| \\ | \\ | ||
| - | |||
| - | |||
| - | |||
| - | |||
| - | |||
