Ingersoll Rand Air Compressor SSR-HP75

With the unit not running, coolant should appear in the sight glass.

With the unit running unloaded and the coolant at operating temperature.

The coolant level should be at midrange in the sight glass.

Sign off on the coolant level check

Warning: No drainage points should be opened until the compressor has been isolated electrically and all air pressure has been removed from the system.

Is the compressor isolated electrically and all air pressure removed from the system?

Warning: Extreme care should be exercised when draining the hot lubricant so that no possibility of injury to personnel exists.

Has the lubricant been drained soon after the compressor has been shut down?

Has a new filter element been installed?

Select the capacity of the compressor

Is the receiver level of lubricant up to the mid-point of the gauge glass?

Has the compressor been started and run for a short while?

Has the lubricant level in the receiver been checked after shutting down the compressor?

WARNING! Confirm all pressure is relieved from the compressor system and that the main electric disconnect switch is open and tagged to remain open.

Pressure relieved from the compressor system?

Main electric disconnect switch is open and tagged to remain open?

Place a suitable container under the filter housing drain valve which is located near the bottom of the housing.

Container placed under the filter housing drain valve?

Remove the bolt at the bottom of the housing. This will free the housing and element from the filter head. Remove the 'O' ring gasket.

Bolt and 'O' ring gasket removed?

Inspect the element and housing for foreign particles which have been trapped in the element and also for general overall condition - then discard the element and clean the housing.

Element and housing inspected and cleaned?

Induction-type squirrel cage motor lubrication

The motor has anti-friction ball or roller bearings front and rear. At extended intervals they require relubrication.

The periods between re-greasings of the motor bearings can vary, primarily with the severity of the service conditions under which the motor operates.

Select the type of motor and its corresponding lubrication interval

NOTE: For severe duty - Dusty locations - High Ambients, reduce time intervals in table above to 1/3 the listed value.

Motor lubricated as per the selected interval?

Sign off on the motor lubrication

Warning: Care should be exercised during these lamp checks because of the electrical hazards that will be present when the electrical box is open.

Power On (1LT) lamp lights up when power is applied to the transformer

Coolant Filter Lamp (3LT) lights up when test wire clip is connected to (1TB-1) and probe is touched to (3B-12)

Air Filter Warning Lamp (4LT) lights up when test wire clip is connected to (1TB-1) and probe is moved to (3B-13)

Automatic Restart Lamp (14LT) lights up when test wire clip is connected to (1TB-1) and probe is moved to (3B-8)