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--- techtalk:ih:oil03f [2021/02/16 22:35]
hippysmack
+++ techtalk:ih:oil03f [2021/06/26 05:45]
hippysmack [1957-1967 Oil Pump Drive Gear]
@@ Line 39: / Line 39: @@
 |  52-E57 ((photo by Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1661356&page=2))  |  (L) L57-E72 - (R) L72-76 ((photo by fergerburger of the XLFORUM http://xlforum.net/forums/showthread.php?t=1661356))  |  (Bottom) L57-E72 - (Top) L72-76 ((photo by The Doctor71 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1661356))  |
+====== Rear Feed Nipple or Plug ======
+Starting in 1967, the oil feed from the tank was plumbed directly into the oil pump on the rear side on XLH motors. \\
+The feed from the tank stayed plumbed to the top of the rear case on XLCH motors thru 1969. \\
+In 1970, the feed on XLCH motors was now plumbed to the oil pump as well. The feed nipple (63533-41) is a 1/8"-27 x 3/8" Bose barb fitting. \\
+Using the same pump for both XLH and XLCH, this required a pipe plug installed there for XLCH motors from 1967-1969. \\
+The plug is a 1/8"-27 NPT pipe plug. 2 part numbers were used and both are interchangeable. \\
+Part# (45831-48) used from 1967-1968 while part# (45830-48) used in 1969. \\
+-1956 K models also had a feed line plug there in the parts book part# (26424-52). \\
+|  Oil pump on 1967 XLCH w/ feed plug ((photo by ss396 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1864035&page=4))  |
+|{{:techtalk:ih:oil:1967_xlch_oil_pump_1_by_ss396.jpg?direct&300|}}|
 ====== Breather Gears ======
@@ Line 57: / Line 70: @@
 |The 4 different scavenge gear sets. \\ Lined up from early in foreground to later in background. \\ This is to show the height progression.((photos by Dr Dick of the XLFORUM http://xlforum.net/forums/showpost.php?p=3272806&postcount=204))|Top view of all 4 sets.((photos by Dr Dick of the XLFORUM http://xlforum.net/forums/showpost.php?p=3272806&postcount=204))|A closer view of the height changes.((photos by Dr Dick of the XLFORUM http://xlforum.net/forums/showpost.php?p=3272806&postcount=204))|
 |{{:techtalk:ih:oil:scavaenge_gear_sets_1_by_dr_dick.jpg?direct&220|}}|{{:techtalk:ih:oil:scavaenge_gear_sets_2_by_dr_dick.jpg?direct&300|}}|{{:techtalk:ih:oil:scavaenge_gear_sets_3_by_dr_dick.jpg?direct&300|}}|
+====== 1957-1967 Oil Pump Drive Gear ======
+The 57-76 pinion shaft has 4 external splines and one is longer than the other three. \\
+The 57-76 oil pump drive gear (26318-37) has 4 internal splines that match to the pinion shaft with one longer recess between them and is a slip fit over the shaft. \\
+The drive gear slides onto the pinion shaft one way (only) with a timing mark in the front over the wider recess. \\
+You can't install the drive gear in any 360° position where it will fit on the shaft and it's timing mark does not line up with the pinion gear timing mark. \\
+The timing mark on the front of the drive gear isn't used to time anything but may simply be there to distinguish that to be the front of the gear. \\
+{{:techtalk:ih:oil:oil_pump_drive_gear_26318-37_pic2_by_robison_motorcycles.jpg?direct&300|}} ((photo courtesy of Ebay seller, Robison Motorcycles. [[https://www.ebay.com/str/robisonmotorcycles?_trksid=p2047675.l2563|Link to Ebay Store]]: )) {{:techtalk:ih:oil:oil_pump_drive_gear_26318-37_pic1_by_robison_motorcycles.jpg?direct&300|}} ((photo courtesy of Ebay seller, Robison Motorcycles. [[https://www.ebay.com/str/robisonmotorcycles?_trksid=p2047675.l2563|Link to Ebay Store]]: )) {{:techtalk:ih:oil:oil_pump_drive_gear_26318-37_pic3_by_robison_motorcycles.jpg?direct&300|}} ((photo courtesy of Ebay seller, Robison Motorcycles. [[https://www.ebay.com/str/robisonmotorcycles?_trksid=p2047675.l2563|Link to Ebay Store]]: ))
 \\
 [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]]

Trace: • W E L C O M E !

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