Westfield Hydrus 420 Pro left hand bladder
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A replacement left hand bladder for your Hydrus 420 PRO air awning. An original replacement part for your Hydrus 420 PRO air awning, this bladder is a straight replacement for the left hand bladder in your awning. It is the bladder in the left hand tube (if you are looking straight at the awning). To fit simply follow these instructions :
On the outside of the awning, remove the valve, collar and locking ring from the tube simply by unscrewing the valve anti-clockwise, then the collar (also anti-clockwise) and then finally pulling the locking ring off.
If you have an awning with the Advanced Air System (Performance range and Travel Smart Pro range) you will also have to remove the internal valves as well. Move inside the awning and repeat the process on the internal valves . These valves only have a valve and collar, there is no locking ring.
Unzip the outer sleeve (the one sewn into the awning) and take the protective sleeve out. You may (depends upon model) find that the protective sleeve is velcroed to the awning, if it is simply detach the protective sleeve from the awning.
Undo the velcro at the bottom of the protective sleeve and snip the cable tie holding the zip in place.
Unzip the protective sleeve, please note that the zipper does not have a pull on by design.
Starting at the top, you may find (depends upon model), that the top of the bladder is held in place by a webbing strap. If this is the case, carefully remove the bladder from around the webbing strap first. Then simply remove the bladder from the protective cover. Please note you may find it tight/difficult around the valves points.
The bladder is now removed and can be replaced with a new one. Always make sure the tube is not twisted at any point during the process.
Place the new bladder inside the protective sleeve. It is best to start at the external valve point. Put the bladder into the protective sleeve and position the external valve (the one near the bottom) correctly though the cutout in the protective sleeve. Then place the rest of the bladder inside the protective sleeve. You will find that the bladder is longer than the protective sleeve. This is by design and the extra length is held in place by attaching the top of the bladder to the webbing strap simply by pushing underneath.
If you have an awning with the Advanced Air System (Performance range and Travel Smart Pro range) you will also have to ensure that the internal valve(s) line up and are pushed though the respective cutouts in the protective cover.
Zip the protective sleeve shut. You must cable tie the zip to the red webbing strap as this ensures the inner sleeve cannot come open during use. Failure to do so, could cause further issues and possible damage to your awning. Then close the protective Velcro covers over the top of the zip and cable tie.
Place protective sleeve back into the outer sleeve, starting at the bottom of the sleeve. First attach the velcro pad on the bottom of the sleeve to the one on the awning.
Push the bottom valve though to the outside of the awning and attach the valves (done on the outside of the awning) This holds the inner sleeve in place whilst you finish.
Finish by pushing the inner sleeve into the outer sleeve (ensuring it is not twisted at any point). This can be made easier by zipping the outer sleeve up as you go along.
The inner sleeve should come out of the top of the outer sleeve once fully in place.
Easy to fit
Guaranteed to fit correctly