I love when I try to make something work, work better or pretty it up and I end up breaking a part. That was the case with this post. I was preparing to repaint the swamp cooler when I look down and saw one of the arms of the water distribution system was broken off. After a long sigh I went to Ace down the street and bought a replacement kit.
Getting Set Up
When buying the replacement kit, it usually is based on the number of arms. I needed a 6 arm kit.
The replacement kit came with
- Distribution block
- MEK gluing compound to attach the arms to the block
- Screw in adapter for the supply hose
- Screw for attaching the new kit to the swamp cooler
If you’re lucky like me you’ll need a couple of tools.
- Hacksaw or something to cut the plastic arms
- Tape measure
- Flat head and possibly a Philips screwdriver
Disconnecting The Water Supply Hose
Disconnect the clamp from the supply hose. If I though ahead I would have bought a new hose and just reused the clamps.
It might be necessary to use a flat head screwdriver to pry the hose off of the old distribution block.
Figuring Out Arm Cut Length
Looking at the distribution block, it looks like the same size. That means the arm length will most likely be the same. Also, make sure all the arms are close to being the same length.
Cut Length = Arm Length from the Distribution Knuckle + Distribution Joint Depth
Measuring The Arm Length From The Distribution Knuckle
Use the old water distributor to measure the arm.
Measure from the knuckle to the end of the arm.
Measuring The Distribution Joint Depth
To measure the distribution joint depth, push the arm into the distribution block joint and mark the spot with your finger.
Pull the arm from the joint and measure from your finger to the end of the arm.
Cutting The Arm To Length
Take the two measurements above and add them together for the cut length. For me, my cut length is 10 ½ inches, 10 inches for the arm length and ½ inch for the distribution block joint.
Because the new arm didn’t have a sharp 90 degree angle where the water came out, I measured for the cut further down the bend.
A screwdriver helped me figure out where to mark. (All I did was place my fingers in the spot. I didn’t think I would see a Sharpie mark on the black plastic.)
Cut the arm with a hacksaw.
Test the first arm that is cut by putting it in the distribution block and measuring it to the furthest part.
For the other cuts on the arms, use the first arm on top of the other arms to measure and cut them.
Before gluing the arms to the distribution block, dry fit everything and place it in the swamp cooler to make sure they are the correct length.
To check for correct length, place one of the cooling pad holders in place. The arms should feed water into the cooling pad holder.
Glue Up And Installation
Glue it all together using the MEK glue that comes with the kit. WORK FAST!! (Sorry no pic on this one. Had to work REALLY fast and couldn’t take pictures.)
There is not much time for positioning, so make sure the arms are facing the right way when you put them in the distribution block.
Screw in the adapter for the supply hose. Make sure to check if it is going in straight. Mine started to go in crooked the first time around. This doesn’t need glue.
Time to reattach the hose to the adapter using the old clamp.
Use the screw that came with the kit to attach the new water distribution system to the swamp cooler.
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