///Small holes are not round or not to size
Cut quality & parts

Small holes are not round or not to size

Small features need slow speed and good parts.

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
01Speed too high for small radius Most likely

The jet lags in tight curves.

How to check: Lower speed on small features.

PhotoArt. no.DescriptionReplaces OEMExcl. VAT
10857 Tubing, Flexible, Clear, .38, Abrasive, 49885361
TubeKMT, Flow, H2O, Intermac
H2O 606116-1 · KMT 49885361 € 15.00
11947 Abrasive feed tube, 05076989
TubeKMT
05076989 € 43.20
12350 Metering disks FLOW sandfeeder, 009931-1
Bushing & ringFlow
009931-1 € 130.80
12555 Metering Valve Rubber Stopper, A-11073
Bushing & ringFlow
Flow A-11073 € 5.00
12560 Tubing, Flexible, Clear, 1/4", Abrasive, 100100
TubeOMAX
OMAX 100100 € 7.80

02Worn focusing tube Possible

A wide jet makes holes too big.

How to check: Replace the tube.

Related problems

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