Maintenance
5‐1
Part 7192568-03
E
2020 Nordson Corporation
Section 5
Maintenance
WARNING:
Allow only qualified personnel to perform the following tasks.
Follow the safety instructions in this document and all other related
documentation.
This document is created as an overview of
preventive maintenance
tasks
and details of each task should be obtained from product official manuals
and data-sheets. Before performing the following tasks, turn off and
disconnect system power. Relieve system air pressure and disconnect the
system from its input air supply. Failure to observe this warning may result in
personal injury.
Table 5‐1 Preventative Maintenance Procedures
NOTE:
OP = Operator / TT = Trained Technician
Location
Maintenance Task
Resp.
Interval
(h)
Procedure
Tools/Material
Hopper
Check powder fluidisation
OP
8
Increase/Decrease the fluidising
air pressure until the powder is
gently simmering. 0-2 bar
Visual Inspection,
Fluidisation regula
tor, Fluidisation
needle valve
Prodigy High-
Capacity HDLV
Transfer Pump
Check transfer pump is
functioning
OP
8
Prodigy High-Capacity HDLV
Transfer Pump supply air 4.8 bar.
No restriction or blockage in the
powder delivery hose
Visual inspection
Pneumatic
Supply
Check incoming air
pressure gauge
OP
8
Min. 6.5 bar during operation and
colour change. (pressure drop be
low 6.5 bar can cause insufficient
cleaning of powder path)
Visual inspection
Sieve
Clean and inspect the sieve
screen
OP
24
Check powder fusion and me
chanical damages
Visual inspection,
Air blow gun
SHD II Feed
Centre Housing
Clean the interior and exte
rior of the SHD Feed Centre
OP
160
No powder residue or dirt left
Clean cloths, air
blow gun, vacuum
cleaner (ATEX)
Air Service Unit
Inspect for impurities (oil -
dirt - water) check the level
indicator
OP
160
Drain if maximum level is reached
Visual inspection
Prodigy High-
Capacity HDLV
Transfer Pump
Inspect clear block for signs
of powder leakage
OP
600
Ensure no powder is around the
pinch valves
Visual inspection
Sieve
Ensure sieve probe is tight
to sieve frame
TT
600
Lock the sieve probe with an open
jaw torque wrench to 15-20Nm
Torque wrench
(open jaw)
Air Service Unit
Replace the filter element
TT
1000
Recommended to replace after
1000 hours
Visual inspection,
Filter element