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> Here's some documentation from a tractor manual. There are several
> glaring errors. Find them.
>
> Inspection and Repair
>
> Inspect knee bushings (E) for wear and scoring. Bushing I.D. should be
> 1.1811 to 1.1824 inch (30.0 to 30.03 mm).
>
> Inspect spindle shaft for wear and scoring. Shaft O.D. should be 1.1795
> to 1.1803 inch (29.96 to 29.98 mm).
>
> NOTE: the shaft-to-bushing clearance should be 0.001 to 0.003 inch (0.03
> to 0.08 mm) but no more than 0.10 inch (0.25 mm).
That "no more than" spec is a couple of orders of magnitude larger than the "should be" range -- that doesn't seem right.
> Inspect thrush bearing (D, Fig. 8.), seat (C) and O-ring (I) for wear.
> Replace if necessary.
I'm guessing that's a _thrust_ bearing.
> 12. Check that each lever moves to the retract position and returns
> freely to its neutral position when released.
>
> If bushings must be replaced, drive old bushings out with a long draft.
>
> Drive new bushings into flush with end of tube <snip>
You probably drive out the bushings with a _drift_. And you drive them _in_ flush, not _into_ flush.
The draft has to wait until after work.
How did I do? Do I get the job. ;-)
Richard G. Combs
Senior Technical Writer
Polycom, Inc.
richardDOTcombs AT polycomDOTcom
303-223-5111
------
rgcombs AT gmailDOTcom
303-903-6372
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