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techtalk:ref:engmech02f [2019/04/12 04:24]
hippysmack [Installing Hammer Performance Billet Pushrod Base Kit]
techtalk:ref:engmech02f [2024/01/14 21:04] (current)
hippysmack
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   * Lightly oil the pushrod tube in the middle where the larger OD starts.   * Lightly oil the pushrod tube in the middle where the larger OD starts.
  
-|Everything needs to be squeaky clean so the seals \\ don't slide out of the base. ((photo by Hippysmack))|The seals fit snug in the base. ((photo by Hippysmack))|This oil will get squeegeed down by the seal. ((photo by Hippysmack))|+|Everything needs to be squeaky clean so the seals \\ don't slide out of the base. ((photo by Hippysmack))|The seals fit snug in the base. ((photo by Hippysmack))|Oil the shoulders. \\ This oil will get squeegeed down by the seal. ((photo by Hippysmack))|
 |{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_9_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_10_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_11_by_hippysmack.jpg?​direct&​300|}}| |{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_9_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_10_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_11_by_hippysmack.jpg?​direct&​300|}}|
  
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 |{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_12_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_13_by_hippysmack.jpg?​direct&​300|}}| |{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_12_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_13_by_hippysmack.jpg?​direct&​300|}}|
  
-|One at a time is easier. Just make sure to hold the finshed one good while doing the other. ((photos by Hippysmack))|| +|One at a time is easier. Just make sure to hold the finshed one good while doing the other. ((photos by Hippysmack))||Check that the seals are still in place.((photo by Hippysmack))
-|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_14_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_15_by_hippysmack.jpg?​direct&​300|}}|+|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_14_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_15_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_16_by_hippysmack.jpg?​direct&​300|}}|
  
   * Carefully insert the tops of the pushrod covers up into the O-rings in the head at an angle.   * Carefully insert the tops of the pushrod covers up into the O-rings in the head at an angle.
     * Be careful not to cut or damage the seals with the lip on the tubes.     * Be careful not to cut or damage the seals with the lip on the tubes.
-  * Swing the bottom of the assembly ​into place over the lifters. +  * Swing the bottom of the assembly over the lifters. 
-  * Push the base down onto the case deck and hold pressure on the base with one hand.+  * Check seals one last time.
  
 +|Add a little oil to the top and install them into the heads. ((photos by Hippysmack))||
 +|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_17_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_18_by_hippysmack.jpg?​direct&​300|}}|
  
 +|Swing them in and center the tubes over the lifter bore. Stop short of all the way down and make sure the seals are still in place all around the base. \\ Due to angles of the tubes and the way you pulled the base down, the seal(s) may be a little uneven. Just make sure the seals are inside the base at this point. ​ ((photos by Hippysmack))|||
 +|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_19_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_20_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_21_by_hippysmack.jpg?​direct&​300|}}|
  
 +**Check the clearance between the tubes and cylinder fins before installing the bolts**. \\
 +On big cylinders, you may have to grind some off the fins to get a good fit between them.
  
 +|  (R) (fins 90" jugs had to be ground for tube clearance) (F) ((photos by DonChicago48 of the XLFORUM https://​www.xlforum.net/​forum/​sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​frame-mount-evo-sportster-talk-1986-2003-models/​148266-building-a-90-inch-sledge-hammer/​page21?​t=1610587&​page=21)) ​ ||
 +|{{:​techtalk:​ref:​engmech:​hammerperf_rear_pushrod_tube_clearance_issue_by_donchicago48.jpg?​direct&​300|}}|{{:​techtalk:​ref:​engmech:​hammerperf_front_pushrod_tube_clearance_issue_by_donchicago48.jpg?​direct&​300|}}|
  
 +Also check that the cylinder base gasket isn't interfering with the pushrod tube base. ((DonChicago48 of the XLFORUM https://​www.xlforum.net/​forum/​sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​frame-mount-evo-sportster-talk-1986-2003-models/​148266-building-a-90-inch-sledge-hammer/​page17?​t=1610587&​page=17)) \\
 +It could hang up on the gasket and potentially cause an oil leak. \\
 +You may have to trim the cylinder base gasket to clear the pushrod base retainer. \\
 +You can use the edge of the bottom gasket mating surface as a cutting guide. \\
 +With a sharp ExActo Knife, cut the gasket along the outline of the cylinder base edge. \\
 +
 +|  Trimming the base gasket. ((DonChicago48 of the XLFORUM https://​www.xlforum.net/​forum/​sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​frame-mount-evo-sportster-talk-1986-2003-models/​148266-building-a-90-inch-sledge-hammer/​page17?​t=1610587&​page=17)) ​ ||
 +|{{:​techtalk:​ref:​engmech:​trimming_axtell_base_gasket_1_by_donchicago48.jpg?​direct&​300|}}|{{:​techtalk:​ref:​engmech:​trimming_axtell_base_gasket_2_by_donchicago48.jpg?​direct&​300|}}|
 +
 +  * Push the base down onto the case deck and hold pressure on the base with one hand.
   * Without releasing pressure on the base, install both screws and snug them down.   * Without releasing pressure on the base, install both screws and snug them down.
     * Once they'​re snugged down you can let go of the base and finish tightening the screws.     * Once they'​re snugged down you can let go of the base and finish tightening the screws.
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     * As long as the seals stay in place, they will seal just fine.     * As long as the seals stay in place, they will seal just fine.
   * Repeat the process for the other cylinder.   * Repeat the process for the other cylinder.
 +
 +|Add Loctitie (blue) to a couple threads on the bolts. \\ Hold downward pressure on the base until you get the bolts snugged up. ((photo by Hippysmack))||
 +|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_22_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_23_by_hippysmack.jpg?​direct&​300|}}|
 +
 +|Torque to 80-110 in/lbs. Check the bottoms for evenness. \\ If you can't get a torque wrench on the bolts, snug them good plus a little more. ((Phpotos by Hippysmack))|||
 +|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_24_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_25_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ref:​engmech:​hammerperf_pushrod_bases_26_by_hippysmack.jpg?​direct&​300|}}|