Differences
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techtalk:ih:engmech03 [2019/06/12 02:42] hippysmack |
techtalk:ih:engmech03 [2019/12/09 16:58] hippysmack [Aftermarket Head Gaskets] |
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| |{{:techtalk:ih:engmech:1969_heads_by_monte03.jpg?direct&400|}}| | |{{:techtalk:ih:engmech:1969_heads_by_monte03.jpg?direct&400|}}| | ||
| | 1969 Iron Heads ((photo by Monte03 of the XLFORUM http://xlforum.net/forums/showthread.php?t=166440&page=6)) | | | 1969 Iron Heads ((photo by Monte03 of the XLFORUM http://xlforum.net/forums/showthread.php?t=166440&page=6)) | | ||
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| ====== Valves ====== | ====== Valves ====== | ||
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| ====== Connecting Rods ====== | ====== Connecting Rods ====== | ||
| ===== Rod Play ===== | ===== Rod Play ===== | ||
| + | When checking for the up and down play, it helps to spray the crank pin area down with brake cleaner. ((brucstoudt of the XLFORUM http://xlforum.net/forums/showthread.php?t=2070383&page=5)) \\ | ||
| + | This is to rinse down any oil that may be clinging to the roller bearings. \\ | ||
| + | The oil can take up space between the rollers and not give an accurate feel. \\ | ||
| + | |||
| + | However, don't forget to oil it back up before re-assembly. ((Toejam503 of the XLFORUM http://xlforum.net/forums/showthread.php?t=2070383&page=5)) \\ | ||
| + | You don't want raw metal rubbing each other on start up. \\ | ||
| + | |||
| + | Side shake measurement (76 and earlier models) can be done with a ruler using the outside edge of the case as a base line. \\ | ||
| ==== 57-64 models ==== | ==== 57-64 models ==== | ||
| Check rods for (up and down) play as well as (upper end side shake or rod tip) with the pistons removed from the rods. ((HD 1957-1964 FSM (dealer) pg 3C-7)) \\ | Check rods for (up and down) play as well as (upper end side shake or rod tip) with the pistons removed from the rods. ((HD 1957-1964 FSM (dealer) pg 3C-7)) \\ | ||
| - | Side shake measurement can be done with a ruler using the outside edge of the case as a base line. \\ | ||
| When appreciable up and down play is found and side shake at the extreme upper end of the rod is more than the following specs; \\ | When appreciable up and down play is found and side shake at the extreme upper end of the rod is more than the following specs; \\ | ||
| The lower bearing should be re-fitted. \\ | The lower bearing should be re-fitted. \\ | ||
| **Specs**: \\ | **Specs**: \\ | ||
| - | Front: 3/32" or more \\ | + | Front: 3/32" or more \\ |
| + | Rear: 3/32" or more \\ | ||
| + | ==== 57-69 models ==== | ||
| + | Check rods for (up and down) play as well as (upper end side shake or rod tip) with the pistons removed from the rods. ((HD 1959-1969 FSM (99484-69) pg 3C-7)) \\ | ||
| + | When appreciable up and down play is found and side shake at the extreme upper end of the rod is more than the following specs; \\ | ||
| + | The lower bearing should be re-fitted. \\ | ||
| + | **Specs**: \\ | ||
| + | Front: 11/64" or more \\ | ||
| Rear: 3/32" or more \\ | Rear: 3/32" or more \\ | ||
| ==== 76 and earlier models ==== | ==== 76 and earlier models ==== | ||
| **Motorcycles using rod bearings with steel retainers**: \\ | **Motorcycles using rod bearings with steel retainers**: \\ | ||
| Check rods for (up and down) play as well as (upper end side shake or rod tip) with the pistons removed from the rods. \\ | Check rods for (up and down) play as well as (upper end side shake or rod tip) with the pistons removed from the rods. \\ | ||
| - | Side shake measurement can be done with a ruler using the outside edge of the case as a base line. \\ | ||
| When appreciable up and down play is found and side shake at the extreme upper end of the rod is more than the following specs; \\ | When appreciable up and down play is found and side shake at the extreme upper end of the rod is more than the following specs; \\ | ||
| The lower bearing should be re-fitted. \\ | The lower bearing should be re-fitted. \\ | ||
| **Specs**: \\ | **Specs**: \\ | ||
| - | 76 and earlier (from the 70-76 FSM): ((HD 1970-1976 FSM pg 3-14)) \\ | + | 76 and earlier (from the 70-76 FSM): ((HD 1970-1976 FSM (dealer) pg 3-14)) \\ |
| Front: 11/64" or more \\ | Front: 11/64" or more \\ | ||
| Rear: 3/64" or more \\ | Rear: 3/64" or more \\ | ||
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| ==== 79-85 models ==== | ==== 79-85 models ==== | ||
| Check rods for up and down play in lower bearings. ((1979-1985 HD FSM (99484-85) pg 3-25)) \\ | Check rods for up and down play in lower bearings. ((1979-1985 HD FSM (99484-85) pg 3-25)) \\ | ||
| + | Measuring side shake is no longer recommended in the FSM as in above. \\ | ||
| When up and down play is detected, the lower bearing should be refitted. \\ | When up and down play is detected, the lower bearing should be refitted. \\ | ||
| \\ | \\ | ||
| [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]] | [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]] | ||
