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 3.3 Refrigeration Type Dryer. Ensure condensate trap is draining properly
and condensate is not allowed to build up.
4 PREVENTIVE MAINTENANCE INSPECTION.
4.1 Adsorption Type Dryer.
4.1.1 Daily Inspection. Inspect the dryer assembly for the following
conditions:
(a) Proper operation of instruments and drain traps where provided
(b) Air or steam leaks
4.1.2 Periodic Inspection. Thoroughly inspect the installation at intervals
prescribed by the manufacturer's maintenance schedule. Check the following
items:
(a) Safety valves for proper operation
(b) Dryer towers, piping, and valves for corrosion, rust, and peeling
paint
Do not attempt to repair or remove any compressor system parts
without first relieving pressure from the entire system.
(c) Desiccant bed for oil, dirt, or other foreign matter
4.2 Deliquescent Type Dryer.
4.2.1 Daily Inspection. Inspect the dryer assembly for the following
conditions:
(a) Proper operation of instruments and drain traps where provided
(b) Air or steam leaks
4.2.2 Periodic Inspection. Thoroughly inspect the installation at intervals
prescribed by the manufacturer's maintenance schedule. Check the following
items:
(a) Safety valves for proper operation
(b) Dryer towers, piping, and valves for corrosion, rust, and peeling
paint
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