Vectronics VEC-1500K - Manual (Page 49)

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Lesson 6 Iron and Tip Maintenance
1. A moistened tip-cleaning sponge should be used (before/after)____-
_________ making a solder connection.
2. Last thing, before turning off your iron, (A.) clean the tip with a wet
sponge. (B.) tin the tip with a thick coating of solder. (C.) dip the tip in
flux paste. (D.) dip the tip in cold water to cool it off. [ ]
3. Tip de-tinning may result from: (A.) using small-diameter solder, (B.)
using low-flux solder, (C.) operating the iron at higher-than-normal
temperatures, (D.) all of the above. [ ]
4. The best way to prevent de-tinning is to use _______________________
flux.
5. (T/F) It's okay to use the soldering iron tip to pry solderable surfaces apart.
[ ]
6. (T/F) If a tip de-tins and resists further wetting, attempt a thorough cleaning
and re-tinning procedure before discarding. [ ]
7. Wiping down sponge trays and changing sponges removes what kind of
contamination? ________________
8. It's good to tighten the hardware on your iron, but if you torque screws too
hard, the threads may ____________.
9. (T/F) If you find burned insulation on your iron's electrical cord, it's okay to
repair it with electrical tape or shrink tubing. [ ]
10. Soldering irons run at high operating temperatures, and this accelerates the
process of ______________________ .