9
Type of Malfunction Possible Cause Correction
No product or too little – Product feedline not correctly connected. • Correctly connect the product feedline.
product. – Pneumatic hose not correctly connected. • Correctly connect the pneumatic
feedline.
– Curing in the product feedline and/or in • Replace the product hose and/or valve
the dispensing valve and/or in the assembly of the dispensing valve
dispensing needle, when the adjustment and/or dispensing needle.
knob 10 does not move for a start and
no product is dispensed.
– Air in the product feedline and/or in • Purge the product feedline, dispensing
the dispensing valve and/or in the valve and dispensing needle of air
dispensing needle, when the adjustment (section 5.1).
knob 10 moves for a start and no
product is dispensed.
– Controller incorrectly adjusted. • Check the controller (see operating .
instruction for the controller).
Loctite Service.
– Product reservoir not switched on, or • Check the reservoir (see operating
pressure is too low. instruction for the product reservoir).
– Valve is closed. • Increase stroke.
Air bubbles in – Air in the dispensing • Purge the product feedline,
product. valve/product feedline. dispensing valve and dispensing
needle of air (Section 5.1).
Product comes delayed – Piston stroke (suck-back effect) • Reduce the piston stroke.
after a start. too large.
Product drips. – Piston stroke (suck-back effect) • Increase the piston stroke.
too small.
Dispensing valve does – Air outlet choke 8 closed. • Open the air outlet choke 8.
not open. – Piston stroke set to O. • Turn the adjustment knob 10 counter-
clockwise (+ direction).
Dispensing valve – Air outlet choke 8 opened too wide. • Adjust the air outlet choke 8.
opens too fast.
Dispensing valve – Air outlet choke 9 closed. • Open the air outlet choke 9.
does not close. – Bayonet locking piece is not • Tighten counter nut 6 with a wrench.
tight enough.
– Tubing not properly seated. • Push tubing into fitting.
Dispensing valve – Air outlet choke 9 opened too wide. • Adjust the air outlet choke 9.
closes too fast.
6. Troubleshooting
