AltaPail II Bulk Melters Product Manual.pdf - 第139页
Maintenanc e 8-2 Part 1121836_03 E 11/2014 Nordson Corporation Important when Using C leaning A gents S Use only a clea ning agent recomme nded by the hot mel t material manufacturer. Observe the Material Safety Data She…
Maintenance
8-1
Part 1121836_03
E 11/2014 Nordson Corporation
Section 8
Maintenance
WARNING! Allow only qualified personnel to perform the following tasks.
Follow the safety instructions in this document and all other related
documentation.
NOTE: Maintenance is an important preventive measure for maintaining
operating safety and extending the service life of the unit. It should not be
neglected under any circumstances.
Risk of Burns
Some maintenance work can only be done when the bulk melter is heated
up.
WARNING: Hot! Risk of burns. Wear safety goggles and heat-protective
gloves.
Relieving Pressure
WARNING: System and material pressurized. Relieve bulk melter pressure
before disconnecting pressurized components (e.g. hoses, pressure
sensors). Failure to observe can result in serious burns.
1. Switch the pump off.
2. Set selector Raise/lower platen to 0.
3. Place a container under the nozzle(s) of the applicator/assembly
handgun.
4. Applicators: Activate the solenoid valve(s) electrically or manually; or, pull
the trigger of the assembly handgun. Repeat this procedure until no more
material flows out.
5. Re-use the material or properly dispose of it according to local
regulations.
Maintenance
8-2
Part 1121836_03
E 11/2014 Nordson Corporation
Important when Using Cleaning Agents
S
Use only a cleaning agent recommended by the hot melt material
manufacturer. Observe the Material Safety Data Sheet for the cleaning
agent.
S
Properly dispose of cleaning agent according to local regulations.
Processing Materials
Before using, read the included EU safety data sheet.
Designation Order number Use
High temperature grease
To
be
applied
to
O-rings
and
threads
NOTE: The grease may not be
mixed with other lubricants.
Oily/greasy parts must be cleaned
before
application.
S
Can 10 g
P/N 394769
S
Tube 250 g
P/N 783959
S
Cartridge 400 g
P/N 402238
Grease Centoplex H0
S
1 kg
P/N 285600
Lubricating platen sealing ring
Sealing paste Stucarit 203
Applied
to
sealing
surfaces
S
Tube 100 ml
P/N 255369
Temperature-resistant
adhesive Loctite 640
Secures
screw
connections
S
50 ml
P/N 230359
Heat transfer compound
To
improve
heat
conducting
of
temperature sensors
S
500 g
P/N 257326
Maintenance
8-3
Part 1121836_03
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Preventive Maintenance
The maintenance intervals are general guidelines based on experience.
Depending on the operating environment, production conditions and hours of
operation, other scheduled maintenance tasks may prove necessary.
Interval Bulk melter part Activity Page
After initial startup
Various
Initial maintenance 8-4
Every
time
the
container
is
changed
Melting plate Check melting plate for charred
material, clean if necessary
-
Base plate Check base plate for material
residue or other impurities, clean if
necessary
-
Daily
Complete
bulk
melter
External cleaning 8-5
Inspect for external damage 8-5
Power cable
Inspect
for
damage
-
Air hoses
Daily,
if
dust
accumulation
is
severe
Electrical cabinet
ventilation
Clean fan screens, clean or replace
filter
8-7
Motor / gear box Clean fan cover
-
Depending on hours of
operation, pump speed and
pump temperature
Recommendation: Monthly
Various
Like initial maintenance 8-4
Every 15000 hours of operation
or every 2 to 3 years
Motor / gear box Change lubricant 8-8