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An impulse trap and filter should be installed at each dryer. After 1 or 2 days of operation, the following
maintenance should be performed:
1. Pressure should be 10-15 psig (0.69-1.03 bars).
2. Filter and traps should be clean and operational.
3. There should be proper flow of steam and condensate.
4. There should be sufficient make-up air to the heat exchanger.
5. The dryer should be properly exhausted.
K. STEAM DRYERS (HIGH-PRESSURE)
A high-pressure steam dryer is similar to a low-pressure one, but has a 125 psig (8.6 bars) maximum. Maintenance
is the same. Each coil is supplied by a 1” inlet and the outlet is a 1-2” line.
L. BASKET (TUMBLER)
The basket (tumbler) is adjusted at the factory. However, handling in shipment could cause misalignment. If
adjustment is necessary, follow the instructions in the service manual.
BASKET (TUMBLER) COATING
The basket (tumbler) is treated with a protective coating. We suggest dampening old garments or cloth material
with a solution of water and nonflammable mild detergent and tumbling them in the basket (tumbler) to remove
this coating.
M. GROUNDING
Computer dryers should be individually grounded. A copper or brass stake driven into the ground is the best
grounding method.
The dryer and its individual shutoff valve must be disconnected from the gas supply piping system during any
pressure testing of that system at test pressures in excess of 1/2 psig (3.5 kPa).
The dryer must be isolated from the gas supply piping system by closing its individual manual shutoff valve
during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psig (3.5
kPa).