Maintenance
5‐3
P/N 213828_11
2014 Nordson Corporation
VersaBlue_PPA
Melter part Activity Interval Refer to page
Gear pump
(beginning 12/2008,
model with Variseal)
Retighten gland After initial startup 5‐7
Checking for Leakage Dependent on hours of
operation, pump speed and
pump temperature.
Recommendation: Monthly
5‐7
Retighten fixing screws Every 500 hours of operation 5‐7
Motor / gear box Clean fan cover Depending on dust
accumulation; daily if necessary
-
Change lubricant Every 15 000 hours of operation
or every 4 years
5‐8
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
5‐21
Pressure control valve Replace outer O‐rings
(service kit)
At the latest when leakage
occurs
5‐10
Disassembling and
Cleaning
Every six months Separate
Parts List
Filter cartridge Replacing Filter
Cartridge
Depending on degree of material
pollution
5‐12
Disassemble and clean
filter cartridge
Recommendation: Every 1000
hours of operation
Tank Cleaning Tank by Hand When there is material residue in
tank
5‐17
Retighten fixing screws Every 500 hours of operation 5‐17
Safety valve plate Replace O‐rings (service
kit)
When the safety valve plate is
detached, at the latest when
leakage occurs
5‐18
Tank isolation valve Replace O‐ring
(service kit)
When the tank isolation valve is
detached, at the latest when
leakage occurs
5‐19
Safety valve Activate the piston Monthly 5‐20
Continued ...
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