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8.8 REAR 'S' SPRING INSTALLATION
TOOL
Submitted by Bluegrass / 02-27-07
I just finished a complete rear rebuild with 3.55 gears, pinion
bearing replacement including bearing cups, seal and companion
flange, carrier bearings, axle bearings and seals. Here are some
items you need to look at.
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Ratech carrier
shims are rough stampings and need to have their inner and outer
edges smoothed as needed or the stack-up will be hard to deal
with for lash adjustments. To get the axle bearings out I machined
a round stock slug to fit the bearing and banged them out with
a bar from the other end of the empty housing. Spring installation
is always a real problem. For that I have found a way to install
this spring in less than 5 minutes without hassle.
- Cut a piece of rectangle tubing with an inside dimension
of 1 ¼" by 2¼" x
4" long.
- Compress the spring in a vise so it will just start into
the inside of the rectangle far enough to hold, then tap it
in at least ¾ the spring distance.
- Use a wide driver of some sort and hold the exposed end
of the spring at the pinion gear location and drive into place
from the open outside end.
- Finish up positioning spring with a flat nose tool.
- Put your axle clips in place, the pinion shaft and lock
bolt and you're done.
Pinion bearing pre-load torque wrench by K-D tools. 0 to 60
inch pound scale. Less then $50. You need it when doing pinion
bearing work. Pre-load according to spec for old or new bearing
installed. Dial indicator and mag mount. Measure the gear back
lash (.008 to .015. Mine was set to .010"). Tooth contact
check, try white Lithium grease. Always refer to installation
info for complete specs on all areas.
NOTE: These photos are exclusive to Lincolns
Online and are not to be downloaded to any other website.
The first image shows the tool and the S spring that gets loaded
into the tool. The second image shows how to load the tool out
of a vise by compressing the spring just enough to start it
into the tool and tapping it in far enough to be fully under
compression for starting.
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