450412-4 www.amdry.com 13
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Remove the remaining piping from the steam coil.
Remove all of the panels surrounding the steam coil.
Unbolt the steam coil and remove.
WARNING: The steam coil is heavy. A crane
may be needed to remove (and install) the
steam coil.
Remove the steam coil damper hinges from the old coil
and install them on the new steam coil.
Hoist the new steam coil into place and bolt down.
Replace all of the panels removed.
Reinstall all of the piping removed from the old steam coil.
NOTE: Thread sealant certified for steam piping must be
applied to the threads.
Reconnect all of the piping (supply lines and return lines)
disconnected.
Reinstall steam damper cylinder (piston) removed.
Reestablish electrical service to the dryer.
Close the 1/2” plug, which was opened.
Steam Coil Replacement
Discontinue electrical service to the dryer.
Disconnect compressed air supply from the dryer.
Shut off all steam supply lines and steam return valves
that feed the steam coil.
Wait a sufficient amount of time until all of the steam lines
and the steam coil is cool.
Open 1/2” plug on the return line to bleed off any residual
steam pressure.
CAUTION: Make certain that the entire steam
system (coil, lines, valves, etc.) are cooled to
avoid hot steam escaping and to avoid
personal injury.
Remove steam coil damper cylinder (piston).
Remove the steam coil damper by unbolting from its hinges.
Disconnect steam supply lines and steam return lines at
the unions.
WARNING: The 1/2” plug must be closed before
attempting to apply any steam pressure.
Slowly open the return line then slowly open the supply
line.
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Front Panel and Main Door Assemblies
Main Door Switch Replacement
Discontinue electrical power to the dryer.
Open main door.
Remove the 2 Phillips head screws holding the main door
switch bracket assembly in place.
Disconnect wiring from switch assembly.
Reverse this procedure for installing new door switch
assembly.
Reestablish electrical power to the dryer.
IMPORTANT: Under no circumstances should the door
switch be disabled.