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Author Topic:   Trailor tire alignment
JimU posted 08-03-2000 02:51 PM ET (US)   Profile for JimU   Send Email to JimU  
Does any one have any exeprience with tire/wheel alignment on a tandem axem boat trailor? I acquired a tandem axel magic- tilt/magic-trail tailor. It needs some tlc including bushing and spring replacement. The axels, spindles,hubs, and bearings are in good shape. Is there any way to check and adjust tire alignment? thanks for any info Jim U
DIVE 1 posted 08-04-2000 10:57 PM ET (US)     Profile for DIVE 1    
Jim-what are you referring to by tire alignment? If you are referring to the axles being parallel with each other and aligned to the tongue, this is my recipe.
1. ensure you have 4 matching springs(axle locators help), good bolts(not worn), spring mounts, and equalizers
2. assemble all components loosely
3. ON A LEVEL HARD SURFACE,set the weight of the trailer on the tires and rock the trailer side to side
4. tighten all components
5. remove front tires
6. measure from the center front tip of your hitch coupler to each end of the front axle, the dimension should be the same
7. measure the distance from the ends of the front axle straight back to the ends of the rear axle, the dimension should be the same
8. if your numbers do not match. remeasure from the center front tip of the tongue to each component starting at the center of the front spring bolt and work your way back to each component until you find an error from one side of the trailer to the other

If all of your measurements match from side to side in relationship with the coupler, your axles should be aligned.

JimU posted 08-07-2000 10:39 AM ET (US)     Profile for JimU  Send Email to JimU     
To Dive 1
Thanks for the info. Looks very straight forward. Do it with boat on or off trailor? JIM
JimU posted 08-07-2000 10:42 AM ET (US)     Profile for JimU  Send Email to JimU     
To Dive 1
One more question: Whatis an axel locator? Thanks again. Jim U
DIVE 1 posted 08-07-2000 09:43 PM ET (US)     Profile for DIVE 1    
Jim,
It is easier to set up the trailer without the boat, otherwise you end up working on your back.
Axle locator- 1. There is a bolt that runs through the springs to hold them together.
2. There is usually spring pads welded to the axles with holes in the center of the pads.
3. Either the head of the bolt or the nut on the spring will fit into the pad holes, check carefully after installation that the bolt head or nut is all of the way into the pad and that the spring and axle pad have metal to metal contact.
JimU posted 08-09-2000 05:03 PM ET (US)     Profile for JimU  Send Email to JimU     
Dive1, merci beaucoup!! JimU

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