adjust
valves - straighten slightly warped valve cases and
light-lap if necessary, adjust valve travel, check felts and
bumpers and replace if necessary
true
and/or tighten slides
remove
dents accessible without disassembly
solder
loose joints and stays
Extended
Service
disassemble
soldered parts
straighten
branch tubing and/or slides
remove
severe dents
straighten
body
clean
loose joints and solder
straighten
and lap warped valve cases
overhaul
rotary valves - build up with copper plate, lap
into tapered valve case, repeat this procedure until the
valve and case are round and snug-fitting, plate with
nickel for durability
