How to Maintain Axes and Chain Saws
November/December 2007
Troy Griepentrog
Perhaps all the firewood you'll need for this winter is split
and neatly stacked. But you may need to cut up a fallen tree or
split kindling. Is your chain saw ready? Is you axe sharp? Here are
some tips to keep your wood-cutting equipment in good
condition.
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AXE MAINTENANCE
Sharpening an Axe. Most axes are more than just
a blade; they also function as a wedge. The sharp edge of the axe
head creates an entry into wood, but the wider part of a convex
blade actually pushes the wood apart to split or chip it.
Sharpening an axe involves much more than achieving a sharp edge,
here are some tips.
- Wear gloves and don't sharpen an axe on your lap (if it slips
and cuts your leg, it will be near a major artery).
- Maintain the same basic shape of the axe head as when it was
new.
- To shape the head, start with a coarser rasp or file, making
strokes diagonal (not perpendicular) to the edge, then diagonal in
the other direction.
- Sharpen the edge with a stone (oil or water keeps the dust from
clogging the pores in the stone).
- Don't try to get out all the nicks in the edge. It's not
necessary; to do so and maintain the correct shape of the head
would quickly wear it down.
A step-by-step guide to sharpening axes is available at
BushcraftUK. It includes photos and illustrations.
Replacing an Axe Handle. Eventually, most axe
handles will splinter or the axe head will become loose (and you
don't want it to fly off the handle).
- To remove the old handle, drill some holes into the end of the
handle that you can see through the 'eye' of the axe head, then
pound the old handle out of the eye using a steel bar and
hammer.
- If the new handle doesn't fit perfectly, use a rasp to shape
the end of the handle that fits into the eye.
- Be sure the head is aligned perfectly with the handle ? not
slightly twisted ? so that the head meets the wood squarely when
you're chopping.
- Tighten the handle by driving a wooden wedge into the split in
the handle. Most new handles have a groove for this wedge already
cut into the end that fits into the axe head, but if yours does
not, saw a groove into the neck of the handle.
- Saw off the excess part of the new handle, including the excess
wedge. For additional security, tap a metal wedge into the handle
almost perpendicular to the wooden wedge.