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Ingersoll Rand

Ingersoll Rand Refrigarated Air Dryer DXR600

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Ingersoll Rand Refrigarated Air Dryer DXR600
Ingersoll Rand Refrigarated Air Dryer DXR600

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Ingersoll Rand Refrigarated Air Dryer DXR600

Ingersoll Rand Refrigarated Air Dryer DXR600

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Maintenance Plans for Ingersoll Rand Refrigarated Air Dryer Model DXR600

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4500 Hourly / 6 Monthly Dryer Maintenance

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Service Due Indicator

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Yellow SERVICE DUE indicator light on

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If the SERVICE DUE indicator is on, complete the following steps

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Disassemble and clean automatic drain valve

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Disassemble and clean separator bowl (models DXR150 and larger)

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Inspect the condenser coils, clean if necessary

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Lubricate fan motors with 20 wt motor oil (if necessary)

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Clean customer-supplied strainer

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To reset the SERVICE DUE INDICATOR, follow these steps

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1 Yearly Prefilter Element Replacement

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DANGER! Vent internal pressure to atmospheric pressure before performing any maintenance.

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Is the filter isolated by opening the bypass valve and closing both isolation valves?

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Is the pressure bleed valve open to vent the filter to atmospheric pressure?

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Disconnect drain lines at manual and automatic drain valves (if installed).

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DANGER! A 'hissing' sound while the bowl is being removed indicates the filter has not been properly depressurized. DO NOT continue to remove the bowl until the filter has been completely vented to atmospheric pressure.

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Remove the bottom bowl by unscrewing it from the head. A strap wrench may be needed.

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Remove the element from the filter head with a brisk downward pull, or by working the element back and forth until it snaps free. Discard the element in accordance with applicable regulations.

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Clean accumulated debris from the bowl with soap and water, and dry thoroughly.

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CAUTION! Lubricate the element O-ring with a petroleum-based lubricant that is compatible with your application.

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Ambient Air Filter Replacement

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Warning: Only perform this procedure if your unit is equipped with the optional ambient air filter (designated by the suffix F in the model number)

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Inspect the filter element. Is it in good condition?

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If the filter element is not in good condition, replace it.

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Enter the model number of the replacement element

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Record the date of the element change

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Upload a photo of the 'Element Change' label with the updated information

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Sign off on the filter replacement

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1 Daily Dryer Maintenance

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DANGER: Dismantling or working on any component of the compressed air system under pressure may cause equipment failure and serious personal injury. Before dismantling any part of the dryer or compressed air system, completely vent the internal pressure to the atmosphere.

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For continued good performance of your refrigerated dryer, all refrigeration system maintenance should be performed by a competent refrigeration mechanic.

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Before corrective maintenance is done during the warranty period, call your local distributor and proceed according to instructions. Refer to the warranty for limits of your coverage.

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Check the operation of the automatic drain valve at least once during each 8-hour shift.

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On models 75 to 100 scfm, inspect and clean (if necessary) the drain valve strainer. See the Field Service Guide for remedies to drain valve malfunctions. See the Instrumentation section for drain valve adjustment.

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For models with the System Operation Monitor, check the following readouts.

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High evaporator temperature

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Refrigerant suction temperature

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Refrigerant discharge temperature

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1 Weekly Dryer Maintenance

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Prefilter differential pressure gauge checked

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Filter element replaced when pointer reaches red zone of gauge (approx. 7 to 10 psid)

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Failure to change element at least once a year or when the gauge reaches the red zone will adversely affect dryer performance.

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Internal float drain valve on the prefilter inspected every two to three weeks for excessive oil and water

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Test valve on the bottom of the filter unit pressed

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More than one or two drops of oil leaked out?

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If more than one or two drops of oil leak out, the drain valve should be cleaned or replaced as required.

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Sign off on the weekly dryer maintenance

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Parts for Ingersoll Rand Refrigarated Air Dryer DXR600

Access the parts list for your equipment in MaintainX.

Part Name
Part Number

Filter-Dryer

7DE30AP

Expansion Valve

7DE305BW

Hot Gas Bypass Valve

7DE315AF

High Evap Light

7DE130FS

Power On Light

7DE130FR

Filter-Dryer

7DE30AP

Expansion Valve

7DE305BW

Hot Gas Bypass Valve

7DE315AF

High Evap Light

7DE130FS

Power On Light

7DE130FR

Filter-Dryer

7DE30AP

Expansion Valve

7DE305BW

Hot Gas Bypass Valve

7DE315AF

High Evap Light

7DE130FS

Power On Light

7DE130FR

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