How do I change the activating arm on my airpump?

To change the activating arm on your airpump, follow the steps below or watch our YouTube video here:

Step 1: Loosen the four screws around the cover and remove.

Step 2: Loosen the four screws around the coil cover and remove.

Step 3: Loosen the four screws around the diaphragm housing.

Step 4: Release the clip and dismantle the diaphragm housing.

Step 5: Loosen the nut. Remove both the nut and washer.

Step 6: Remove the diaphragm and repeat on the other side.

Step 7: Remove and replace the activating arm.

Step 8: Re-fit the diaphragm and repeat on the other side.

Step 9: Re-fit the nut and washer and tighten them up.

Step 10: Re-fit the diaphragm housing back into place.

Step 11: Re-fit the four screws and tighten them up.

Step 12: Re-fit the clip and repeat on the other side.

Step 13: Re-fit the coil cover and four screws, then tighten them up.

Step 14: Re-fit the cover and four screws, then tighten them up.