Needle cooling from below
12 Additional Instructions D867 - 01.0 - 04/2020
3 Needle cooling from below
3.1 Assembling the needle cooling
Fig. 9: Assembling the needle cooling (1) 
To assemble the needle cover:
1. Disassemble the handwheel (4).
2. Disassemble the belt cover (5).
3. If not yet present, assemble the compressed air maintenance unit to 
the stand (see  Operating Instructions).
4. Screw the blanking plug (2) at valve output 2 onto the solenoid 
valve (1).
5. Screw the throttle check valve (3) at valve output 4 onto the solenoid 
valve (1).
WARNING
Risk of injury from sharp and moving parts!
Puncture or crushing possible.
Switch off the machine before assembling the 
needle cooling.
(1) - Solenoid valve
(2) - Blanking plug
(3) - Throttle check valve
(4) - Handwheel
(5) - Belt cover