Chapter 5
Maintenance and Repair Notes
UFD Applicator, Manual 40-43, Rev. 6.16 Page 35
Procedure for Spin-on Filter (Filter Code C)
2. Switch the unit voltage-free and
pressureless.
3. Guard the unit against unauthorized
restarting.
4. Place a heat-resistant catchment
container/underlay under the Applicator. Hot
adhesive may come out!
5. Relieve the adhesive pressure by following
the instructions under Chapter 5.4 “Relieving
Adhesive Pressure”.
6. Unscrew and remove the filter cap.
7. Unscrew the filter from the filter cap.
8. Remove and discard the old sealing washer
and O-ring.
9. Make sure the mating surface of the filter cap
is clean.
10. Install a new sealing washer, filter and O-
ring. Torque the filter to 40-50 in-lbs
(4.5 – 5.5 Nm) on the cap.
11. Apply a coat of anti-seize to the threads of
the filter cap.
12. Re-install the filter and the filter cap. Tighten
the filter cap until it is seated firmly, taking
care not to
cut the O-ring.
13. Close the pressure bleed (purge) valve,
return the equipment to service and check
for leaks.
14. If leaking, it might be necessary to replace
the filter cap’s O-ring.
After finishing the maintenance or repair works:
Remove all materials and tools used during the repair or maintenance from the
workspace of the unit.
Connect the voltage supply and the compressed air supply. Heat the unit up. Wait until
all temperatures are within the tolerances and the adhesive in the tank is molten
completely.
Continue production.
(upper groove)
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