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Old 16-06-2017, 12:40 PM   #1
Grunty
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Nilfisk C130.1 Low Pressure

I have a 3 year old Nilfisk C130.1 Last couple of uses pressure has been much lower than normal and if it is left powered with the water attached, but not being used for about 20 seconds or more it starts to pulse almost every 5 seconds.

Its never got frosted as it stays in my garage and is always rinsed through after use (20 seconds or so with no water attached).

Any ideas?
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Old 16-06-2017, 12:48 PM   #2
hardyd44
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You got any leaks from the outlet hose/gun ? sounds like it is sensing demand and trying to pressurize the hose

first thoughts only
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Old 16-06-2017, 12:51 PM   #3
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No leaks from the gun its self, but when you take the lance off the gun and squeeze for water it isn't what i would call a steady stream of water you get, its spraying quite a bit. Used to be a steady stream.
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Old 16-06-2017, 02:16 PM   #4
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see if the filter is full of limescale. unscrew the part the hosepipe clips on to and pull it out with some long nose pliers and let it sit in white vinegar over night and also check the o ring on the hose that clips in the gun
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Old 16-06-2017, 02:20 PM   #5
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Quote:
Originally Posted by OvEr_KiLL View Post
see if the filter is full of limescale. unscrew the part the hosepipe clips on to and pull it out with some long nose pliers and let it sit in white vinegar over night and also check the o ring on the hose that clips in the gun
Just to clarify this point - it needs to be white vinegar.
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Old 16-06-2017, 03:41 PM   #6
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Originally Posted by Mother-Goose View Post
Just to clarify this point - it needs to be white vinegar.
eh?? i said '' white vinegar ''
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Old 17-06-2017, 10:41 AM   #7
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I have checked all the o rings that I can see and they all look fine, I have also unscrewed where the hose attaches and there doesn't seem to be a filter there. Quite a bit of limescale build up though.

This is what I have when I unscrew the hose attachment

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Old 17-06-2017, 05:25 PM   #8
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Quote:
Originally Posted by Grunty View Post
I have checked all the o rings that I can see and they all look fine, I have also unscrewed where the hose attaches and there doesn't seem to be a filter there. Quite a bit of limescale build up though.

This is what I have when I unscrew the hose attachment

get that cleaned out best you can with a microfibre and white vinegar. dip the cloth in it push it in and twist it around and yes there should be a filter in there that will pull out with nose pliers but i cant tell with the ammount of limescale in it. thats what i did recently
and let the filter soak in white vinegar over night

heres my thread and you can see the filter.
http://www.detailingworld.co.uk/foru...d.php?t=394904

Last edited by OvEr_KiLL; 17-06-2017 at 05:27 PM.
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Old 17-06-2017, 05:40 PM   #9
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Similar issue...

Hi there, may be of help...
I have a 150-2 Nilfisk which recently started losing pressure. I contacted Nilfisk who asked me to remove the HoseLock (non return) quick connect from the water supply hose to the machine. I informed them that this had been on the machine from new (1.5 years) but they insisted this was the problem. Unconvinced I relaced it with a straight through quick conect - Hey ho problem solved. Something to do with a back pressure build up within the machine. Worth a try!!
Cheers Joe.
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Old 17-06-2017, 06:14 PM   #10
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There is definitely no filter in mine. Strange, I've had it from new.

Anyway, will try and clean what is there with white vinegar and if that fails new connection, as it is a non return that is on it.
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