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techtalk:evo:engmech02 [2019/02/14 04:34] hippysmack [06-Up Anti-Rotation Device] |
techtalk:evo:engmech02 [2019/02/22 01:44] hippysmack [91-99 Anti-Rotation Pins] |
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| ====== Tappets (lifters) ====== | ====== Tappets (lifters) ====== | ||
| ====== Hydraulic Lifters ====== | ====== Hydraulic Lifters ====== | ||
| + | ===== Sub-Documents ===== | ||
| + | * [[techtalk:evo:engmech02b|91-99 Lifter Pin Upgrade to 00-05 Lifter Pin Screws]] | ||
| + | |||
| + | See also in the REF section of the Sportsterpedia: | ||
| + | |||
| + | * [[techtalk:ref:svcproc16|Hydraulic Lifter - Disassembly / Inspection / Assembly]] | ||
| + | |||
| There was a running change to new style hydraulic lifters in 1986 for Sportsters. ((1986-1990 HD Sportster FSM pg 3-44)) \\ | There was a running change to new style hydraulic lifters in 1986 for Sportsters. ((1986-1990 HD Sportster FSM pg 3-44)) \\ | ||
| They were the same as those used in 1340cc engines beginning in the 1986 model year. \\ | They were the same as those used in 1340cc engines beginning in the 1986 model year. \\ | ||
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| | 91-99 anti-rotation pin hardware ((photos by Hippysmack)) ||| | | 91-99 anti-rotation pin hardware ((photos by Hippysmack)) ||| | ||
| |{{:techtalk:evo:engmech:anti-rotation_pin_hardware_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:engmech:anti-rotation_pin_hardware_2_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:engmech:anti-rotation_pin_o-ring_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:evo:engmech:anti-rotation_pin_hardware_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:engmech:anti-rotation_pin_hardware_2_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:engmech:anti-rotation_pin_o-ring_by_hippysmack.jpg?direct&300|}}| | ||
| + | |||
| + | | App. dims ((photos by Hippysmack)) || | ||
| + | |{{:techtalk:evo:engmech:91-99_anti-rotation_pins_7_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:engmech:91-99_anti-rotation_pins_8_by_hippysmack.jpg?direct&300|}}| | ||
| | Slide the pins in the holes, install the O-rings over the pins. ((photos by Hippysmack)) ||| | | Slide the pins in the holes, install the O-rings over the pins. ((photos by Hippysmack)) ||| | ||
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| These work OK for stock cams. \\ | These work OK for stock cams. \\ | ||
| - | But if you're upgrading to bigger cams, anything more than .600 lift has too small a base circle. \\ | + | But if you're upgrading to bigger cams, anything more than .600 lift has too small a base circle. ((rocketmangb of the XLFORUM http://xlforum.net/forums/showthread.php?p=5613140&highlight=anti+rotation#post5613140)) \\ |
| (and they will nearly drop out of the ARDs and they can also spin away from them) \\ | (and they will nearly drop out of the ARDs and they can also spin away from them) \\ | ||
| The big issue is that they turn sideways with the roller not turning on the cam lobe. \\ | The big issue is that they turn sideways with the roller not turning on the cam lobe. \\ | ||
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| | ARD block ((photo by rocketmangb of the XLFORUM http://xlforum.net/forums/showthread.php?t=1768265&page=31)) | ARD block installed ((photo by chris_b_owens of the XLFORUM http://xlforum.net/forums/showthread.php?p=5042968)) | | | ARD block ((photo by rocketmangb of the XLFORUM http://xlforum.net/forums/showthread.php?t=1768265&page=31)) | ARD block installed ((photo by chris_b_owens of the XLFORUM http://xlforum.net/forums/showthread.php?p=5042968)) | | ||
| |{{:techtalk:evo:engmech:06_ard_by_rocketmangb.jpg?direct&300|}}|{{:techtalk:evo:engmech:2013_ard_by_chris_b_owens.jpg?direct&300|}}| | |{{:techtalk:evo:engmech:06_ard_by_rocketmangb.jpg?direct&300|}}|{{:techtalk:evo:engmech:2013_ard_by_chris_b_owens.jpg?direct&300|}}| | ||
| - | ===== Lifter Anti-Rotation ===== | ||
| - | Anti-roll pins / blocks (respectively) are designed to keep roller lifters from turning sideways during operation. \\ | ||
| - | A roller that's turned sideways does not roll. ((NRHS Sales of the XLFORUM http://xlforum.net/forums/showthread.php?t=1768265&page=29)) \\ | ||
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| - | {{:techtalk:evo:engmech:99-00_anti-rotation_pin_comparison_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) {{:techtalk:evo:engmech:99-00_anti-rotation_pin_comparison_2_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) | ||
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| ====== Pinion Gear ====== | ====== Pinion Gear ====== | ||
