Specifications

TM9-2330-384-14&P
Section VI. LINES, FITTINGS,AND VALVESMAINTENANCE
Paragraph
Page
Number
Title Number
5-8
Vapor Integrity Test ..................................................................................................................... 5-26
5-8. VAPOR INTEGRITY TEST.
THIS TASK COVERS
a. Pressure Test Preparation
c. Vacuum Test Preparation
b. Pressure Test Procedure d. Vacuum Test Procedure
INITIAL SETUP
Equipment Conditions: Materials/Parts:
Quick disconnect (NSN 4730-00-024-9490)
Ref Conditions
(Not included in kit; used for connecting air supply
4-68 Semitrailer drained hose to shop air supply.)
and purged.
General Safety Instructions:
2-17 Semitrailer bonded
- Use extreme caution when working or walking
and grounded.
on trailer.
- Testing personnel must be registered with the
Tools:
Department of Transportation (DOT) in
-Tool kit, general mechanic's
accordance with DOT 49CFRI80.409.
Test Equipment:
Pneumatic leakage test kit (NSN 2590-01 -
438-8806)
a.
PRESSURE TEST PREPARATION
WARNING
• Use extreme caution when walking or working on top of semitrailer. Walkway can
become slippery due to moisture or fuel spillage. Failure to follow this warning may
result in serious injury to personnel.
• Verify that tanker is properly grounded prior to performing test. Due to the dangers
of static electricity, grounding the semitrailer to the vehicle while refueling is
mandatory, regardless of the amount of fuel to be dispensed. Failure to follow this
warning may cause spark to ignite, resulting in serious injury or death to personnel.
Before performing maintenance on the semitrailer, the semitrailer must be grounded
to an approved (earth) ground and it must be safe to proceed. Failure to follow this
warning may cause a spark to ignite, resulting in serious injury or death to
personnel.
5-26 Change1