-
the diameter of the tube,
-
the thickness of the wall.
(b)
Make sure that the deburring tool is clean. Lubricate it with COMMON GREASE (Material No. 04-012).
(c)
Prepare to deburr the tube:
-hold the tube,
-push in the plunger of the tool,
-put the stem into the end of the tube,
-release the plunger to let the stem become expanded and seal to tube.
(d)
Deburr the tube:
-continue to hold the tube,
-Apply light pressure on the cutter and at the same time turn the knurled body clockwise,
-continue to turn until the tube is deburred.
(e)
Do not push the plunger in, but:
-carefully and slowly pull the deburring tool from the tube until you can see the first ridge of the stem,
-clean the end of the tube and the stem.
(f)
If the end of the tube is not correctly deburred:
-push the tool into the tube,
-repeat the step (d),
-pull the tool out of the tube.
(2)
The external diameter
Table of Series DLT Repair Kits
Figure 221/TASK 20-23-38-991-003
1EFF : ALL 1 20-23-38 Page 241
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1CES 1
Table of Series D12000 Repair Kits
Figure 222/TASK 20-23-38-991-002
1EFF : ALL 1 20-23-38 Page 242
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(a) Remove the burrs on the external diameter of the tube with Grade 240 emery cloth.
NOTE : Do not cause damage to the seals of the fittings:
____
-
the tubes must not have external burrs,
-
the tubes must go freely into the fittings.
If a tube does not go freely into a fitting (not circular,
out of tolerance), do not install the fitting.
(b) Remove the burrs on the external diameter of the tube with Grade 240 emery cloth.
NOTE : Burrs on the external diameter of the tube can cause
____ damage to the seals in the fittings. This damage can cause external leakage. The surfaces must be clean and without damage:
-the swaging area must have no deep scratches and must be clean (no dust, particles of metal, etc.). Before you swage, clean the end of the tube with a clean cloth.
(3) Clean the Tube
WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
WARNING : USE A PROTECTIVE EYE SHIELD/GOGGLES WHEN YOU USE COMPRESSED
_______ AIR. DEBRIS AND/OR HIGH PRESSURE AIR CAN DAMAGE YOUR EYES.
WARNING : USE THE CORRECT PERSONAL PROTECTION.
_______ COMPRESSED AIR WILL CAUSE LOOSE PARTICLES THAT CAN GET IN YOUR EYES. THE AIRSTREAM CAN CAUSE CUTS, DO NOT POINT IT AT YOUR SKIN.
Subtask 20-23-38-930-050
C. Make the Marks for Tube Insertion
NOTE : These marks give an indication of the depth of the tube in the
____
fitting before and after swaging.
(1)
Use a marking tool with the correct dimensions for the tube that you must swage: (Ref. Fig. 212/TASK 20-23-38-991-007) DLT5302-031-01, tubes of 1/2", 3/4" and 3/8".
(2)
Put the marking tool into position on the tube. The lip of the marking tool must be against the end of the tube. Make a mark on the tube with the marking pen D10058.
NOTE : You can make the marks on the tube without the special tool.
____ But you must keep to the specified high and low limits for the insertion of the end of the tube. (Ref. Fig. 213/TASK 20-23-38-991-008)
Subtask 20-23-38-320-052
D. Swage the fitting on the tube
(Ref. Fig. 223/TASK 20-23-38-991-014)
(1) Install the fitting on the tube.
NOTE : Do not cause damage to the seals or the fittings:
____
-
the tubes must have no external burrs,
-
the tubes must go freely into the fittings. If a tube does not go freely into the fitting (not circular, out of tolerance), do not install the fittings. The surface must be clean and without a damage:
-
the swaging area must have no deep scratches and must be clean ( no dust, particles or metal etc.). Before you swage, clean the end of the tube with a clean cloth.
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