Overview - Through-Tool Air Blast

Applies to machines built from: 
September, 2014

General Information

The Through-Tool Air Blast (TAB) option supplies high-pressure/high-flow air through the tool to the cutting edge.

TAB has of a number of air fittings, some tubing, and a solenoid. TAB uses the installed Through Spindle Coolant (TSC) openings.


  • TSC-300 or TSC-1000 must be installed
  • The software must be M18.21B or higher



At this time, TAB is installed at the factory only.


Programmed Operation

M73 starts TAB and M74 stops TAB.

This sample program is a test of the TAB system.


G04 P5.;


G04 P3.;



Manual Operation

Press MDI/DNC.
Press AUX CLNT. Press the RIGHT cursor arrow.

The tool air blast starts.


The tool air blast stops.


In general, no maintenance is necessary for TAB.

Clean the air filter (2) times a year.

Be aware: Many service and repair procedures should be done only by authorized personnel. The service technicians at your Haas Factory Outlet (HFO) have the training, experience, and are certified to do these tasks safely and correctly. You should not do machine repair or service procedures unless you are qualified and knowledgeable about the processes.

Danger: Some service procedures can be dangerous or life-threatening. DO NOT attempt a procedure that you do not completely understand. Contact your Haas Factory Outlet (HFO) and schedule a service technician visit if you have any doubts about doing a procedure.