AltaPail II Bulk Melters Product Manual - 第141页
Maintenanc e 8-4 Part 1121836_03 E 11/2014 Nordson Corporation Initial Maintena nce Heating and cooling that occur during daily operat ion can cause screwe d parts to loosen, res ulting in lea kage. Re-tighten th e follo…
Maintenance
8-3
Part 1121836_03
E 11/2014 Nordson Corporation
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
Maintenance
8-4
Part 1121836_03
E 11/2014 Nordson Corporation
Initial Maintenance
Heating and cooling that occur during daily operation can cause screwed
parts to loosen, resulting in leakage.
Re-tighten the following components with a torque wrench:
Component Torque
Note
Example Pos. Designation [Nm] [lbin]
5
4
1
2
1 Plug 20 176 A
2 Hose fitting 25 220 A
4 Pump: Fixing screws 25 220 A, B
5 Safety valve 15 133 A
NOTE A: Re-tighten while the material is still soft (approx. 70 ° C/158 ° F, depending on the material)
B: Re-tighten crosswise
Maintenance
8-5
Part 1121836_03
E 11/2014 Nordson Corporation
External Cleaning
External cleaning prevents pollution created by production from causing bulk
melter malfunctions.
CAUTION: Observe the unit’s Degree of Protection when cleaning. Refer to
page 12-3, Electrical Data.
CAUTION: Do not damage or remove safety labels. Damaged or removed
safety labels must be replaced by new ones.
Remove material residue only with a cleaning agent recommended by the
material supplier. Heat with an air heater if necessary.
Remove dust, flakes etc. with a vacuum cleaner or a soft cloth.
Visual Inspection for External Damage
WARNING! When damaged parts endanger the operating safety and/or the
safety of personnel, switch off the bulk melter and have the damaged parts
replaced by qualified personnel. Use only original Nordson spare parts.
Changing Type of Material
NOTE: Before changing the material type, determine whether the old and
new material can be mixed.
S
May be mixed: Remaining old material can be flushed out using the new
material.
S
May not be mixed: Purge thoroughly and clean melting plate with a
cleaning agent recommended by the material manufacturer. Refer to
page 8-6, Cleaning Melting Plate.
NOTE: Properly dispose of the old material according to local regulations.