Maintenance
5-3
P/N 7105144G
2008 Nordson Corporation
VersaBlue_NW
Melter part Activity Interval Refer to
Heat exchanger, (option) Clean
Performance check
Replace fan
Depending on dust
accumulation; daily if necessary
Daily
Every 40000 hours
5-9
Power cable Inspect for damage Every time the melter is serviced −
Air hoses Inspect for damage Every time the melter is serviced −
Gear pump Tighten the gland After initial startup 5-10
Check for leakage,
tighten gland if
necessary
Dependent on hours of
operation, pump speed and
pump temperature
Recommendation: Monthly
5-10
Tighten fixing screws Every 500 hours of operation 5-10
Motor / gear box Change lubricant Every 15000 hours of operation
or every 2 to 3 years
5-11
Clean fan cover Depending on dust
accumulation; daily if necessary
−
Pressure control valve Replace outer O-rings
(service kit)
At the latest when leakage
occurs
5-12
Disassemble and clean Every six months Separate
Parts List
Filter cartridge Replace filter cartridge
Disassemble and clean
filter cartridge
Depending on degree of material
pollution
Recommendation:
Every 1000 hours of operation
5-14
Safety valve plate Replace O-rings
(service kit)
When the safety valve plate is
detached, at the latest when
leakage occurs
5-16
Tank isolation valve Replace O-ring
(service kit)
When the tank isolation valve is
detached, at the latest when
leakage occurs
5-17
Safety valve for
pneumatics
Performance check;
clean or replace if
necessary
Every six months 5-18
Pressure sensor Calibrate Once/year, more often when
conditions dictate
Section
Operation
Check separating
membrane for damage
Every time pressure sensor is
removed, more frequently if
necessary
−
Check whether
hardened or charred
material is stuck to the
membrane; clean
separating membrane if
necessary
Every time pressure sensor is
removed, more frequently if
necessary
5-19
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