Descaling and Cleaning Rotary Trumpets

Descaling and Cleaning Rotary Trumpets
These instructions are for emergencies only. There is no substitute for professional cleaning.
You need:
-
distilled white vinegar or citric acid (photo no. 1)
a paintbrush to seal the mouthpiece
a toothpick to seal the hole at the 3rd valve
a cork or rubber plug to seal the short tube of the tuning slide
a funnel
three full plastic bottles to secure the trumpet
soft cloth or paper towels to dry the trumpet
valve oil and slide grease/slide gel
Instructions:
-
remove tuning slide and 1st valve slide
seal the mouthpiece with the brush handle (photo no. 2)
seal the hole at the 3rd valve with the toothpick (photo no. 3)
seal the short tube of the tuning slide with the plug (photo no. 4)
secure the trumpet in the bath tub with the three bottles (photo no. 5)
fill the valve section through the 1st valve slide with the vinegar
(or citric acid) and move the valves so it can disperse inside the valves
allow one or two hours for the solution to interact
Be careful! Vinegar can harm the lacquer finish!
drain the vinegar
remove the mouthpiece
remove the 2nd and 3rd valve slides
remove lower valve cap
rinse out the instrument with cold or lukewarm water (photo no. 6)
dry instrument with soft cloth or paper towels
oil valve section (valves and keys) and grease slides (photo no.7)
Gerd Dowids
7
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