American Dryer Corp. AD/ML-310 - Manual (Page 39)

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9. Rotate the basket (tumbler/drum) by hand to be sure it moves freely.
10. Check bolts, nuts, screws, terminals, and fittings for security.
11. Check to ensure air supply (80 psi [5.51 bar]) is connected to the dryer.
12. STEAM MODELS – Check to ensure ALL steam shutoff valves are open.
K. SHUT DOWN INSTRUCTIONS
If the dryer is to be shut down (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 gas supply shutoff valve.
2) SHUT OFF internal gas supply shutoff valve located in the gas valve burner area.
b. STEAM MODELS – discontinue steam supply.
1) SHUT OFF external (location furnished) shutoff valve.
2) SHUT OFF internal steam valves in the supply lines and the return lines.