1. Check the equipment: confirm that the fire hose, interface, water gun and other equipment are intact.
2. Clean the site: ensure that there are no obstacles around the installation location and the ground is flat and clean.

1. Connect the hose interface:

2. Fix the hose reel:

3. Connect the water gun:

4. Fix the hose:

5. Check the installation:

1. Avoid sharp objects: Avoid the hose from contacting sharp objects during installation to prevent damage.
2. Keep dry: The hose should be kept dry when not in use and avoid long-term exposure to humid environments.
3. Regular inspection: After the installation is completed, the hose and its accessories should be checked regularly to ensure that they are in good condition, and problems should be replaced or repaired in time.
4. Training and use: After the installation is completed, relevant personnel should be trained to ensure that they understand how to use the fire hose correctly.

1. Loose interface: If the interface is found to be loose, it should be reconnected immediately and the sealing ring should be checked for integrity.
2. Leaking hose: If the hose is found to be leaking, it should be replaced with a new hose immediately and checked for correct installation.
3. Hose curling or knotting: If the hose is found to be curled or knotted during use, the water should be stopped and re-unfolded to avoid affecting the fire extinguishing effect.