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28 American Dryer Corp. 113068-7
H. SHUTDOWN INSTRUCTIONS
If the dryer is to be shutdown (taken out of service) for a period of time, the following must be performed:
1. Discontinue power to the dryer either at the external disconnect switch or the circuit breaker.
2. Discontinue the heat supply:
a. GAS MODELS...discontinue the gas supply.
1) SHUT OFF
external (location furnished) gas supply shutoff valve.
2) SHUT OFF
internal gas supply shutoff valve located in the gas valve burner area.
b. STEAM MODELS...discontinue the steam supply.
1) SHUT OFF
external (location furnished) shutoff valve.
2) SHUT OFF
internal steam valves in the supply lines and the return lines.
I. COMPRESSED AIR SYSTEM
The compressed air system of the dryer consists of a number of pneumatic pistons located throughout the dryer,
a Filter/Regulator assembly, and pneumatic control panel.
1.
Air Pistons:
The pistons are actuated by solenoid and flow control valves that are
under computer control. The pneumatic pistons are used to:
• Tilt the dryer for loading and unloading.
• Open and close load and unload doors.
• Operate heat reclaimer.
• Operate the cool down damper and the intake air damper.
2.
Filter/Regulator Assembly
The compressed air supply to the dryer is connected into the 3/8” F.P.T.
fitting located on the rear corner of the lower heat console. This is
connected to the Filter/Regulator assembly, which is located at the bottom
rear of the lower heat console section.
The Filter/Regulator assembly performs two (2) functions:
a) The filter removes most solids and liquid particles from the compressed air stream and traps
them in its bowl where this waste can be readily removed through the drain valve at the bottom
of the bowl.
The filter bowl should be cleaned monthly.