Kaeser Rotary Screw Compressor SM 15

Machine utilization and ambient conditions are important criteria for the number and length of the change intervals.

Please observe national regulations regarding the use of cooling oil in oil-injected screw compressors.

Check operating conditions and adjust intervals as necessary.

Select the type of lubricant used

Enter the current machine hours

Was the cooling oil replaced successfully?

Sign off on the cooling oil replacement

- The filter mats help to keep the cooler clean. If the filter mats are clogged, adequate cooling of the components is no longer ensured.

Precondtion: The machine is switched off.

No tools are needed to remove the filter mat.

1. Carefully remove the filter mat from the retaining frame.

2. Beat the mat or use a vacuum cleaner to remove loose dirt. If necessary, wash with lukewarm water and household detergent.

3. Change the filter mat if cleaning is not possible or if the change interval has expired.

4. Carefully insert the filter mat in the retaining frame.

Control Cabinet: Renew the Filter Mat:

Precondition: The power supply isolating device is switched off. The device is locked off. The absence of any voltage has been verified. The machine has cooled down. WARNING: Touching the moving drive belt may result in severe bruising or even loss of limb or extremities.

Switch off and lock out the power supply isolating device and verify the absence of voltage.

Turn adjusting nut (1) to loosen the tension on the belt until it can be removed from the pulley.

Install the new belt and use the adjusting nut (1) to adjust tension until the marker pin reaches the lower end of the elongated hole.

Sign off on the belt replacement

Checking the coolant oil level:

- The sightglass allows a risk-free reading of the cooling oil level. The oil indicator should be fully filled with oil when the machine is at standstill.

- The ideal situation is with the oil level around the optimum mark when the machine is running.

- The filter mats help to keep the cooler clean. If the filter mats are clogged, adequate cooling of the components is no longer ensured.

Control Cabinet: Check the Filter Mat:

- A filter mat is placed behind every ventilation grill. Filter mats protect the control cabinet from ingress of dirt. If the filter mats are clogged, adequate cooling of the components is no longer ensured. In such a case, clean or replace the filter mats.;

Checking the Belt Tension and Adjustment

Adjust the tension when the marker pin reaches the top end of the elongated hole.

Use the adjusting nut (1) to adjust the spring tension until the marker pin reaches the lower end of the elongated hole.

Turn the pulley by hand so that all of the belt can be inspected for damage.

In case of damage: Replace the drive belt immediately.