TM 9-2330-390-14&P
4-16. APPLICATION OF ADHESIVES (Con't).
b.
Silicone Compound. Silicone compound (Item 12, Appendix F) is used to seal parts against moisture.
Use the following instructions when applying:
(1) Anytime a seal is broken, the part must be thoroughly cleaned to remove any remaining sealing
compound and dirt.
(2)
Thoroughly clean surface before applying silicone compound.
(3)
When applying silicone compound, ensure that the area is completely covered. Press silicone
compound into and around parts as necessary.
(4)
Silicone compound will set in 15-30 minutes depending on temperature and humidity.
c. Sealing Compound. Sealing compound (Items 10 and 11, Appendix F) provides a seal against
leakage and a resistance to loosening when used in the assembly of threaded, slip-fitted, or press-fitted parts.
Always use grade of sealing compound specified and never use when other retaining means are provided, such as
lockwires, lockwashers, lockplates, and fasteners. DO NOT use sealing compound on brass fittings, plugs, or items
that need frequent servicing, or when operating temperatures exceed 300°F (149°C). Apply sealing compound as
follows:
(1)
Before application, clean threads to remove oil, grease, and metal chips.
(2)
Apply sealing compound to second and third threads. DO NOT apply to first thread to ensure
system cleanliness.
(3)
Sealing compound will dry in 6-24 hours at room temperature.
(4)
Adjustments for elbows, gages, and valves can be made up to 24 hours after application without
affecting the seal.
4-17. TOOL REQUIREMENTS.
a.
The following are general practices regarding the use of tools:
(1)
Always use the proper tool kit and tools for the procedure being performed.
(2)
Ensure that tools are clean and serviceable.
(3)
Return tools to toolbox when finished with repair or maintenance.
(4)
Inventory tools before and after each use.
(5)
Return toolboxes and tools to tool storage when not in use.
b.
Some maintenance tasks may require special or fabricated tools. The “Initial Setup” of the procedure
will specify any special or fabricated tools needed to perform that procedure. Use these special tools only for the
maintenance procedures for which they are designed or called out. If you are unfamiliar with a required tool, see your
supervisor.
4-10
