14
6 Maintenance
?
•
Mount the preassembled gasket/ assembly tool B
C 9 together with two shim rings E to the shut-off
assembly Y without removing the ass. tool 9.
•
Screw thread disk D with the help of a
screwdriver into the shut-off assembly.
•
In order to check the thightness of the gasket C
check the mobility of the assembly tool 9. The
gasket must keep the ass. tool in place, but the
ass. tool must be smooth running.
•
If the gasket is too tight then remove a shim ring.
Repeat this until the ass. tool is smooth running.
•
If the gasket is too loose then add a shim ring.
Repeat this until the ass. tool is smooth running.
•
Mount the actuator X to the preassembled shut-
off assembly. The ass. tool 9 will be pressed out.
•
Remove the assembly tool 9.
•
Wrap a PTFE sealing tape round the thread F of
the integrated non-return valve Z.
•
Mount the non-return valve to the shut-off
assembly.
7 Troubleshooting
Type of malfunction
Possible causes
Correction
No liquid flow or too little
flow.
– Product feedline and/or pneumatic
hose not connected correctly or
kinked.
•
Connect the product feedline
correctly. If kinked, replace it.
– Control pressure not adequate.
Control pressure must be
min. 6 bar.
•
Check and adjust the control
pressure.
– Curing in the product feedline or in
the dispensing needle.
•
Replace the product feedline and/or
the dispensing needle.
– Curing in the VoluDrop Dispenser.
•
Loctite Service
– Controller incorrectly adjusted.
•
Check the controller setting (see
operating manual of the controller).
– Product reservoir not switched on,
depressurized or pressure is too
low.
•
Check the reservoir (see operating
manual of the product reservoir).
– Piston stroke set too small or to 0.
•
Turn the adjustment knob 7 anti-
clockwise.
Product drips after
dispensing, eventually
stopping
– Air is trapped in the Dispenser
and/or in the product feedline
and/or in the dispensing needle
•
Purge the product feedline,
dispenser and dispensing needle of
air (section 5.1).
VoluDrop Dispenser does
not open.
– Actuator of the dispenser is
contaminated with product.
•
Loctite Service
Air bubbles in the product
being dispensed.
– Compressed air being dissolved
into the product.
•
Purge the product feedline,
dispenser and dispensing needle of
air (section 5.1). If possible, reduce
the product pressure.
B, C, 9
D
X
Y
Z
F
Содержание VoluDrop UV 97650
Страница 1: ...Operating Manual VoluDrop Dispenser UV 97650 ...
Страница 2: ...2 Contents English 3 16 ...
Страница 17: ...17 8964739 03 2003 ...