Technical data

Maintenance
5-3
P/N 7135049A
E 2007 Nordson Corporation
VBC_Siemens
Melter part Activity Interval Refer to
Air hoses Inspect for damage Every time the melter is serviced −
Gear pump
Replace VarisealR
When material escapes from the
pump shaft
5-9
Tighten the gland bolt After initial startup 5-10
Check for leakage,
tighten gland bolt if nec-
essary
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 −
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
5-17
Tank isolation valve Replace O-ring (service
kit)
When the tank isolation valve is
detached, at the latest when
leakage occurs
5-18
Pneumatic safety valve Performance check;
clean or replace if
necessary
Every six months 5-19
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
5-20