VANAGON CASE HALF
broken stud seen in this view is typical in water cooled motors
with studs threaded into the water jacket area. The common opinion
for this occurrence is the use of improper coolant.
motors similar in design are the older 6 cylinder cast iron Jaguar
blocks. Again the head studs are installed into the block at the
bottom of the water jacket so the same problem occasionally occurs.
our equipment and experience
the removal of the broken studs in these two difficult jobs is done
precisely with no damage to original threads.
460 FORD HEAD
this picture we have a broken easy-out inside a broken bolt on the exhaust side of the head. Broken exhaust
bolts and studs are common on all automotive, motorcycle and marine
motors and accessories, both in aluminum and cast iron.
of broken bolts or studs like in this picture can be done on or
off the vehicle. We depend on several different methods for extraction.
Our first choice is the METAL DISINTEGRATOR followed by a variety
of alternate conventional tooling and equipment.
part has a broken drill 7/l6" in diameter by 24" deep, at a location
marked with a yellow arrow. This part weighs approximately 7,000
pounds with a dimension of 3' in diameter by 2'8" thick. This particular
job was set up outside the shop using portable equipment and running
horizontal. Because of the location and length of the broken drill
special set up and tooling was required.
SNAPPED DRILL IN LANDING GEAR FORGING BEING DISINTEGRATED
forging weighed approximately 350 pounds with an overall length of
70". The part had two large diameter holes drilled to depth. The first
hole was 3" in diameter by 52" deep. The second hole was 1-1/4" in
diameter by 57" deep. At the bottom of the second hole was 4" of a
broken 7/16" drill. The 7/16 drill was supposed to break thru a crosshole
at 65 inches. After disintegrating the drill we finished drilling
the hole thru. Custom tooling was needed for both removal and finish
of the 7/16 hole.
LUG NUT REPAIR
lug bolts are very common. Over the years we've developed our tooling
and procedures for this job in particular. Not only is it important
to remove the stud and save the thread but to protect an expensive
wheel from damage, cosmetic or otherwise.
PARTS & CASTINGS
are a variety of parts ranging in size, shape and materials. Some
of these parts have broken drills ranging from .040 to .250 in diameter.
The majority of the aluminum parts pictured have broken taps in
sizes from 0-80 to ¼-20. The broken .040 drill was .760 deep at
a 15o angle in aluminum. The diameter and depth of this hole after
extraction was undisturbed. Parts here with extremely small taps
such as 0-80 and 1.6mm are also extracted successfully without damage
to hole or threads.