///Stream suddenly stops or becomes very weak
Cutting head & stream

Stream suddenly stops or becomes very weak

A sudden change is usually a blocked orifice or nozzle filter.

Safety first: Switch off the pump, release all pressure (open the on/off valve or bleed-down valve) and lock out before you open any high-pressure part. Never put a hand or tool near a running jet.
1Check the causes, most likely first 0 of 2 checked
01Debris in the orifice Most likely

A particle blocks the jewel.

How to check: Replace or clean the orifice.

PhotoArt. no.DescriptionReplaces OEMExcl. VAT
10226 Orifice 0,10 mm, 1010
OrificeKMT
KMT A2260004 € 11.26
10227 Orifice 0,12 mm, 1012
OrificeKMT
1012 € 11.26
10228 Orifice 0,15 mm, 1015
OrificeKMT
KMT A2260006 € 11.26
10229 Orifice 0,17 mm, 1017
OrificeKMT
KMT 49863590 · KMT A2260006 € 11.26
10230 Orifice 0,20 mm, 1020
OrificeKMT
KMT 49865850 € 11.26

02Blocked nozzle filter Possible

The filter before the head is blocked.

How to check: Check the HP filter.

Related problems

General advice based on manufacturer manuals and service practice. Always follow the manual of your machine. Not sure? .