TM 5-4310-393-14
3-18. TUBING AND FITTINGS.
This task covers. A. Inspect
Tools:
Materials/Parts:
Tool Kit, General Mechanic's Set
Tape, Teflon NSN 8030-00-889-3534
Detergent, Non-ionic NSN 7930-00-282-9699
Distilled Water NSN 6810-00-297-9540
Equipment Conditions:
Equipment Operating
A.
Inspect
1.
Checking the Tubing for Crimps, Bends, or Pit Holes.
a.
If any damage is apparent, refer to step 2a.
2.
Checking for leaks.
a.
Check for leaks using a non-ionic detergent while unit is at full pressure. Replace hoses if cracking or
deterioration is found. Replace tubing and fittings if excessive pitting, bending or crimping, or deformation is found.
Always perform a leak test after replacing tubes, hoses, or fittings
3.
Securing the unit and purging air (paragraph 2-3).
4.
Tightening of the fittings as necessary.
a.
Do not over tighten.
b.
Do not tighten fitting with pressure in line.
3-19. REPLACE FILL HOSE ASSEMBLY.
This task covers' A Inspect B. Replace
Tools:
Materials/Parts,
Tool Kit, General Mechanic's Set)
Tape, Teflon NSN 8030-00-889-3534
Detergent, Non-ionic NSN 7930-00-282-9699
Distilled Water NSN 6810-00-297-9540
Equipment Conditions:
Equipment secured
System Purged of Pressure
A.
Inspect.
1.
Checking for Leaks.
a.
Check for leaks using a non-ionic detergent while hose is at full pressure.
B.
Replace.
1.
Replacing the Fill Hose.
a.
Replace the fill hose if cracking or deterioration is noted. Always perform a leak test after replacing hoses or
fittings
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