How do you remove the pressure hose from a RE108 Stihl cleaner ?

You will have to blank off the return to tank hose, you should really do a vacuum test then through the fuel hose taken off the carb ( make sure the tank is completely empty, and remove the fuel filter or you will fill your gauge with fuel ) you should see a steady drop due to the tank breather, its hard to say how fast the drop should be other than to say it should be a slow steady drop, obviously if there is no drop then the breather is not working correctly.

I’m happy to assist further over the phone at https://www.6ya.com/expert/rolandw_c013176d62ee17ae

I have found that replacing the carb. with a new one . Usually between 27.00 to 38.00 dollars usually saves a lot of time over installing a kit. problem is usually due to a jet problem or the ethanol in the gas has removed the coating on a plug inside the carb. which requires carb. replacement

Disconnect battery ground cable.
Remove engine Air Cleaner (ACL) .
Disconnect electrical connector in back of engine cooling fan motor.
Remove radiator fan shroud.
Disconnect constant control relay module harness from headlamp harness and place constant control relay module on top of engine to provide accessibility to power steering lines.
Remove wiring harness guide retaining screws and position guide aside.
Remove screw at power steering hose bracket.
Remove anti-rattle clip.
Remove plastic strap retaining tubes to power rack and pinion steering gear.
Remove power steering pressure hose at power steering pump.
Remove power steering pressure hose at power rack and pinion steering gear.
Remove power steering pressure hose from vehicle.
Reverse procedure to install new hose.
Fill and bleed power steering system.

I have owned 2 phantoms over 5 years. Most likely the problem is with the hose. The Phantom's hose will invariably need repairs over time. The hose swivels break and leak causing the pressure to drop. Even one leak will cause the cleaner to slow substantially.

The pressure gauge that came with the cleaner is very helpful. It will tell you if it is a pressure issue or the cleaner itself. Check your hose swivels and joints to look for leaks. Next check the filter screens (one near wall and one in the back of the cleaner). Finally, look at the hose's connection to the wall. The culprit is likely one of the above hose related issues.

my stihl re 106 k keeps cutting out just after turning it on any ideas

I consulter the owners manual for this model. This is what they suggest.

First, remove all of the air from the cleaner head and stop all air from entering the pool through the return lines. Also, if the head and hose are covered with bubbles, give the hose a good tug. This will release the air bubbles and allow the pool cleaners to settle son the bottom of the pool. Also, the cleaner head may actually be being lifted off the bottom of the pool by the hose or the pressure in the return lines. Make sure that the hose stays untangled and the pressure from the return lines is not too low (not enought pressure to power) or too high (too much pressure that cause the unit to lift off the floor).

First, remove all of the air from the cleaner head and stop all air from entering the pool through the return lines. Also, if the head and hose are covered with bubbles, give the hose a good tug. This will release the air bubbles and allow the pool cleaner to settle son the bottom of the pool. Also, the cleaner head may actually be being lifted off the bottom of the pool by the hose or the pressure in the return lines. Make sure that the hose stays untangled and the pressure from the return lines is not too low (not enought pressure to power) or too high (too much pressure that cause the unit to lift off the floor).

If it's the clear vent hose that connects to the tank on the left side, that's it. There is a brass plug inside the hose that meters outside air in the tank to regulate the pressure. The hose connects to the tank nipple, done.