Brazing Instructions
TRUCK HOSE SPECIAL
ORS-Braze Type Tube
Fittings
TY &
Tube Preparation
1. Establish the required
length of tubing. Allow for
insertion depth in the
ORS-Braze Type shoulder
PRESSURE HOSE LOW & MEDIUM
by adding the proper
length of straight unbent
tubing to enter into the
shoulder counterbore. The
counterbore depth is de -
pend ent upon the ORS-
5. Polish tube end to bare abrasive powder resulting
Braze Type shoulder size.
metal using silicon carbide in further contamination.
HIGH PRESSURE HOSE
ORS-BRAZE TYPE
emery cloth. It is impor- Clean the tube end to
SHOULDER SIZE DEPTH OF COUNTERBORE
tant to remove all oil and remove the grit produced
mm in.
grease first because abra- by the emery operation.
–04 6,3 .25
sives tend to scrub the oil Use either a clean solvent
–06 6,3 .25 into the surface and/or rinse or a clean, oil free
–08 9,6 .38
impregnate it with a fine soft cloth.
–10 9,6 .38
Prepare the Shoulder
–12 9,6 .38
6. Degrease the shoulder
–16 12,7 .50
thoroughly. Inspect for
HOSE FITTINGS
–20 12,7 .50
presence of rust. If rust
–24 12,7 .50
is present, follow the
2. Cut the tubing squarely 3. Lightly deburr both l.D.
steps detailed previously
(±1°) to the proper and O.D. of tube.
to emery the counter-
length. A tubing cutter is
bore.
the best tool for this,
Prepare Braze Rings If site-made rings are used,
but a hacksaw or an
7. Degrease rings thorough-
cut off a piece of silver
abrasive wheel can be
ly. Preformed silver braze
wire* just short of three
used.
TUBE FITTINGS
rings are available from
times the counterbore's
ADAPTERS &
Eaton. The preformed
diameter. For example,
rings (Part Number
if the counterbore meas-
FF9075-Size) will save
ured
3
/
4
” you would cut
you time and simplify
2
1
/
16
” of wire (
3
/
4
” x 2πr
your brazing even more.
= 2
1
/
4
”). Use needle-nose
pliers to shape the silver
wire into a ring.
ASSEMBL ACCESSORIES & *If bulk wire is used it must contain a
minimum of 45% silver content.
Y INSTRUCTIONS
Prepare the Tube Avoid touching it because
4. Clean the end of the tube
oily or greasy surfaces
thoroughly using a liquid
tend to repel the flux and
solvent* such as dena-
silver material leaving
tured alcohol, alkaline
voids and inclusions.
EQUIPMENT HOSE ASSEMBL
cleaner or equivalent.
*CAUTION: Follow solvent manufactur-
er's recommendations for proper use.
Follow approved procedures for disposal.
Silver Braze Ring Trial Assembly
PART TUBE SIZE 8. Fit the shoulder onto
Y
NUMBER O.D.
the tube; it should fit
mm in.
freely for the full
FF9075-19 6,4 .25 counterbore depth. Eaton
FF9075-06 9,7 .38
recommends minimal
APPENDICIES
FF9075-74 12,7 .50
diametrical clearance. Do
FF9075-08 16,0 .63
not touch or contaminate
mating surfaces.
FF9075-09 19,1 .75
FF9075-86 25,4 1.00
FF9075-87 31,8 1.25
www.EatonProducts.comFF9075-88 38,1 1.50
312 EATON Aeroquip Fluid Conveyance Products A-HOOV-MC001-E1 December 2007
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