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Assembly
Instructions
TY &
How to Braze Brazing and assembling Step 2: Cutting
Lifesaver
Lifesaver reusable fittings
SPECIAL TRUCK HOSE
Using a hacksaw or tubing
Reusable Fittings
is a simple process
cutter, cut the tube at the
Eaton Lifesaver reusable juncture of the tube and the
hose fittings are designed hose socket. It is important
to simplify the replacement to cut the tube so there is
of failed hose lines which at least a
1
/
4”
length of
have unusual, steel, end straight, unbent tubing in
configurations or thread order for it to properly enter
styles. The process involves into the counterbore of the
removing the old tube con- Lifesaver nipple.
LOW & MEDIUM PRESSURE HOSE
figuration, silver brazing it
to an unused lifesaver nip-
ple and assembling the fit-
ting onto the hose in the
usual manner. A few
Lifesaver fittings, some bulk
hose, the appropriate hand
tools and accessories plus
basic silver brazing equip-
HIGH PRESSURE HOSE
ment are all that is neces-
Materials needed:
sary to make up hose
Eaton FF9705 silver Needle-nose pliers
assemblies anywhere. Be
braze rings or
1
/
16
” diame-
sure to follow all applicable
Tape measure
ter 45% silver alloy braze
safety procedures when Step 3: Preparing the
wire
Emery paper making Lifesaver fittings.
tube for brazing
Water-soluble flux
Hacksaw
Avoid touching the tube —
oily or greasy surfaces tend
HOSE FITTINGS
Brazing outfit capable of
Pliers
+1200ºF
to repel the flux and silver
Pair of diagonals (or other
(propane or mapp gas)
material leaving voids and
tool to cut silver wire)
inclusions. Clean the tube
Small files – rattail and
Residue-free degreasing thoroughly using a residue-
flat
agent free degreasing agent or
Spray paint (quick drying)
Wire brush
hot caustic soda.
Water (to cool joint)
Using a flat file, remove the
burrs on the outside of the
ADAPTERS & TUBE FITTINGS
tube and use a rat tail file to
remove the burrs on the
inside.
Polish the end of the tube
on the outside with an
emery cloth to remove the
Step 1: Measuring
plating down to the base
Y INSTRUCTIONS
Measure and record the metal. It is important to
length of the old assembly. remove oil and grease first
For elbow assemblies, because abrasives tend to
ACCESSORIES & ASSEMBL
scribe a very light mark
5
/
16
” scrub the oil into the sur-
or more from the existing face and/or impregnate it
hose socket. The distance with a fine abrasive powder,
Y
from the scribe mark to the resulting in further contami-
end of the other fitting nation. Remember, attempt-
should be recorded as the ing to braze
fabrication length. In the contaminat-
case of double elbows, ed or
HOSE ASSEMBL
EQUIPMENT
make the scribe marks in improperly
line with one another so cleaned sur-
that you can duplicate the faces will
phase angle later on. generally
Record the distance result in an
between the two scribe unsatisfac-
marks as the fabrication tory joint!
length. Continued on
APPENDICIES
next page.
www.EatonProducts.com
EATON Aeroquip Fluid Conveyance Products A-HOOV-MC001-E1 December 2007 309
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