1 September 2011
18. CONNECTOR BUILDUP.
19. For additional detailed information concerning
soldering procedures and solder type connectors refer
The use of lead-free solder in place of tin-
to NAVAIR 01-1A-505-1, WP 016 00.
lead solder is expressly prohibited as part of
any of the repair processes addressed
20. UNSOLDERING CONDUCTOR WIRE
throughout this technical manual. Any
tin-lead solder may significantly reduce the
Use extreme care not to damage contacts or
Safety glasses shall be worn during all wire
cutting, stripping, and soldering operations.
21. Removing Conductor Wire. Apply heat to solder
Solder contains lead and other hazardous
cup using soldering iron until solder melts; then
materials. Avoid oral contact with hands
remove wire (Figure 3).
during soldering operations and always wash
hands immediately after soldering.
Become familiar with Material Safety Data
sheets (MSDS) for all materials used and use
proper personal protection equipment (PPE).
Under no circumstances will either acid flux
or inorganic chloride flux, whether as liquids
or as flux-core solders, be used for securing
connections on electrical or electronic
connectors, a heat sinking device must be
attached to the solder cup of the connector
Figure 3. Conductor Wire Removal
contact. Failure to do so can result in
damage to the connector filter.
22. Removing Solder.
Repair of lead-free circuit cards is NOT
a. Remove solder from solder cup by wicking
with a stranded conductor or braided shield and liquid
b. When wicking with stranded conductor or
braided shield place wire on soldered connection and
apply heat using soldering iron (Figure 4).