Differences
This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
techtalk:ih:engmech01d [2022/03/24 04:00] hippysmack [1952-1953 K Model Primary Cover] |
techtalk:ih:engmech01d [2022/09/27 01:05] hippysmack [1958-1969 XLCH Primary Covers] |
||
---|---|---|---|
Line 6: | Line 6: | ||
The HD part number is (34951-52) and the casting number is (34950-52). \\ | The HD part number is (34951-52) and the casting number is (34950-52). \\ | ||
Gasket: (34955-52). \\ | Gasket: (34955-52). \\ | ||
- | Fasteners: (3) cover screws and no dowel pins. \\ | + | Fasteners: (3) cover screws and no dowel pins. Case has pin bosses but they are not drilled out. \\ |
The original cover finish is natural (as cast). \\ | The original cover finish is natural (as cast). \\ | ||
Cover has a divot in the lower bottom to clear the sidestand mount. \\ | Cover has a divot in the lower bottom to clear the sidestand mount. \\ | ||
- | There is a oil level plug boss behind the divot but the boss was not drilled and tapped for a screw. \\ | + | There is an oil level plug boss behind the divot but the boss was not drilled and tapped for a screw. \\ |
Rear brake switch boss on the rear of cover. \\ | Rear brake switch boss on the rear of cover. \\ | ||
+ | Oil filler plug (34742-52) screws into the cover. It has a small hole through the center to vent the primary compartment. \\ | ||
{{:techtalk:ih:engmech:1952-1953_k_model_primary_chain_cover_34951-52_by_deadpartsmc_pic1.jpg?direct&300|}} ((photo courtesy of DeadpartsMC, [[https://www.ebay.com/str/deadpartsmc|Link to Ebay Store]] )) | {{:techtalk:ih:engmech:1952-1953_k_model_primary_chain_cover_34951-52_by_deadpartsmc_pic1.jpg?direct&300|}} ((photo courtesy of DeadpartsMC, [[https://www.ebay.com/str/deadpartsmc|Link to Ebay Store]] )) | ||
Line 21: | Line 22: | ||
The HD part number is (34951-54) and the casting number is (34950-52A). \\ | The HD part number is (34951-54) and the casting number is (34950-52A). \\ | ||
Gasket: (34955-52A). \\ | Gasket: (34955-52A). \\ | ||
- | Fasteners: (3) cover screws and no dowel pins. \\ | + | Fasteners: (3) cover screws, (4) 3/16" dia roll pins to locate the cover to the case. \\ |
The oil level plug boss was moved in front of the lower cover divot, hole was tapped for a screw (3728) and a washer (6218W). \\ | The oil level plug boss was moved in front of the lower cover divot, hole was tapped for a screw (3728) and a washer (6218W). \\ | ||
- | Half moon divot added to lower rear near brake switch boss to clear brake lever return spring. \\ | + | Half moon divot added to lower rear near brake switch boss to clear brake lever return spring. \\ |
+ | Rear brake switch boss on the rear of cover. \\ | ||
+ | Oil filler plug (34742-52) screws into the cover. It has a small hole through the center to vent the primary compartment. \\ | ||
+ | |||
+ | Click on a pic to enlarge: ((photos courtesy of Dawg's HD Parts. [[https://www.ebay.com/str/dawgshdparts|Link to Ebay Store]] )) \\ | ||
+ | {{:techtalk:ih:engmech:1954-1956_k_model_primary_chain_cover_by_oso99dog_pic1.jpg?direct&300|}} {{:techtalk:ih:engmech:1954-1956_k_model_primary_chain_cover_by_oso99dog_pic2.jpg?direct&300|}} {{:techtalk:ih:engmech:1954-1956_k_model_primary_chain_cover_by_oso99dog_pic3.jpg?direct&300|}} \\ | ||
+ | |||
+ | {{:techtalk:ih:engmech:1954-1956_k_model_primary_chain_cover_by_oso99dog_pic4.jpg?direct&300|}} {{:techtalk:ih:engmech:1954-1956_k_model_primary_chain_cover_by_oso99dog_pic5.jpg?direct&300|}} {{:techtalk:ih:engmech:1954-1956_k_model_primary_chain_cover_by_oso99dog_pic6.jpg?direct&300|}} \\ | ||
====== 1957-1966 XL/XLH Primary Cover ====== | ====== 1957-1966 XL/XLH Primary Cover ====== | ||
The first primary cover for Sportsters. Cast aluminum with the "Sportster" script cast into it. \\ | The first primary cover for Sportsters. Cast aluminum with the "Sportster" script cast into it. \\ | ||
Line 31: | Line 40: | ||
HD part number is (34951-57) and the casting number is (34950-57). \\ | HD part number is (34951-57) and the casting number is (34950-57). \\ | ||
- | {{:techtalk:ih:engmech:1957-1966_xl-xlh_primary_cover_34951-57_by_moon_wolf.jpg?direct&300|}} ((photo by Moon Wolf of the XLFORUM http://xlforum.net/forums/showthread.php?t=1062720)) \\ | + | {{:techtalk:ih:engmech:1957-1966_xl-xlh_primary_cover_34951-57_by_moon_wolf.jpg?direct&300|}} ((photo by Moon Wolf of the XLFORUM http://xlforum.net/forums/showthread.php?t=1062720)) \\ |
+ | |||
+ | Click on a pic to enlarge: ((photos courtesy of Ebay seller, panknuckpartsandtreasures. [[https://www.ebay.com/sch/panknuckpartsandtreasures/m.html?_nkw=&_armrs=1&_ipg=&_from=|Link to Ebay Store]] )) \\ | ||
+ | |||
+ | {{:techtalk:ih:engmech:1957-1966_xl-xlh_primary_cover_34951-57_by_panknuckpartsandtreasures_pic1.jpg?direct&300|}} {{:techtalk:ih:engmech:1957-1966_xl-xlh_primary_cover_34951-57_by_panknuckpartsandtreasures_pic2.jpg?direct&300|}} {{:techtalk:ih:engmech:1957-1966_xl-xlh_primary_cover_34951-57_by_panknuckpartsandtreasures_pic3.jpg?direct&300|}} \\ | ||
+ | |||
+ | {{:techtalk:ih:engmech:1957-1966_xl-xlh_primary_cover_34951-57_by_panknuckpartsandtreasures_pic4.jpg?direct&300|}} {{:techtalk:ih:engmech:1957-1966_xl-xlh_primary_cover_34951-57_by_panknuckpartsandtreasures_pic5.jpg?direct&300|}} {{:techtalk:ih:engmech:1957-1966_xl-xlh_primary_cover_34951-57_by_panknuckpartsandtreasures_pic6.jpg?direct&300|}} \\ | ||
+ | |||
+ | ====== 1958-1969 XLCH Primary Covers ====== | ||
+ | The XLCH primary "tin" cover has several versions. Below are the two used on production models from 1958-1969. ((Moon Wolf of the XLFORUM http://xlforum.net/forums/showthread.php?t=1062720)) \\ | ||
+ | There are no casting numbers on these covers as they are stamped steel. \\ | ||
+ | The 1958-1963 version is very similar to the 1964-1969 version. The only difference can be seen from the back. \\ | ||
+ | Notice that the inside of the derby on the 1958-1963 version is smooth because of the two-piece construction. \\ | ||
+ | The '58-'63 XLCH primary covers are sometimes referred to as "double derbies". \\ | ||
+ | |||
+ | {{:techtalk:ih:engmech:1958-1969_xlch_primary_covers_by_moon_wolf.jpg?direct&400|}} ((photo by Moon Wolf of the XLFORUM http://xlforum.net/forums/showthread.php?t=1062720 labeled by Hippysmack)) | ||
+ | |||
+ | === 1958-1963 version === | ||
+ | HD part number is (34949-58) and of stamped steel construction. \\ | ||
+ | |||
+ | {{:techtalk:ih:engmech:1958-1963_xlch_primary_cover_by_moon_wolf.jpg?direct&400|}} ((photo by Moon Wolf of the XLFORUM http://xlforum.net/forums/showthread.php?t=1062720 labeled by Hippysmack)) | ||
+ | |||
+ | === 1964-1969 version === | ||
+ | HD part number is (34949-64) and is of stamped and chromed steel construction. \\ | ||
====== 1967-1970 XLH Primary Cover ====== | ====== 1967-1970 XLH Primary Cover ====== | ||
Line 38: | Line 70: | ||
The hump-back on the rear of the cover mates up to the hump on the left case where the starter is mounted. \\ | The hump-back on the rear of the cover mates up to the hump on the left case where the starter is mounted. \\ | ||
The boss near the hump holds a Torrington B1210 bearing (9063) for the starter shaft. \\ | The boss near the hump holds a Torrington B1210 bearing (9063) for the starter shaft. \\ | ||
- | The tiny hole below front mounting bolt on the hump (as installed) is for a locating pin to the case. \\ | + | The tiny hole below front mounting bolt on the hump (as installed) is for a locating pin to the case for bearing alignment. \\ |
Click on a pic to enlarge: ((photos courtesy of Eugene Rousse of River Side Cycle, [[http://www.riversidecycle.net|Link to site]] )) \\ | Click on a pic to enlarge: ((photos courtesy of Eugene Rousse of River Side Cycle, [[http://www.riversidecycle.net|Link to site]] )) \\ |