FlexSeam Dispensing System Customer Product Manual.pdf - 第32页
Air pressure regulator Flexseam Dispensing System 28 Part 1127900_01 E 2019 Nordson Corporation System Pressure Relief System pressure must be relieved before you can safely proceed with many troubleshooting and service‐…
Flexseam Dispensing System
27
Part 1127900_01
E 2019 Nordson Corporation
Maintenance
This section contains a recommended maintenance schedule and
procedures. Attempting any other maintenance procedures can result in
equipment damage, improper system operation, or personal injury.
Recommended Maintenance Schedule
Table 4 provides recommended maintenance activities and a schedule for
performing those activities. Base how often you perform maintenance on
your operating conditions.
Table 4 Recommended Maintenance
Component Activity Interval Procedure
Robot and
applicator
Inspect for
external damage
Daily When damaged parts pose a risk to
the operational safety of the unit
and/or safety of personnel, switch off
the system and have the damaged
parts replaced by qualified personnel.
Use only original Nordson spare parts.
Clean the exterior Daily Remove adhesive residue only with a
cleaning agent recommended by the
adhesive supplier. Heat with an air
heater if necessary.
Remove dust, flakes, etc. with a
vacuum cleaner or a soft cloth.
Do not damage or remove warning
labels. Replace any damaged or
removed warning labels.
Replace the air
supply desiccant
tube
When all material inside
the tube has turned pink
Relieve system pressure (refer to
System Pressure Relief in this section)
and replace the used desiccant tube,
ensuring that all fittings are secure.
Refer to Parts for the replacement
desiccant tube part number.
Air pressure regulator
Flexseam Dispensing System
28
Part 1127900_01
E 2019 Nordson Corporation
System Pressure Relief
System pressure must be relieved before you can safely proceed with many
troubleshooting and service‐related activities. Follow this procedure
whenever you need to relieve system pressure.
WARNING! Risk of burns. Failure to relieve system pressure can cause hot
material to spray from a connecting point. Relieve system pressure before
loosening or removing a hose, module, or any other part of a hot melt system.
Wear heat‐protective clothing, safety goggles (ANSI Z87.1 or equivalent),
and safety gloves.
1. Shut off the main air supply or set the air pressure regulator to zero (0).
2. Momentarily activate the purge switch on the controller.
3. When the service activity is completed, restore the system to normal
operation.
Flexseam Dispensing System
29
Part 1127900_01
E 2019 Nordson Corporation
Clean the Flexseam Module
WARNING! Risk of Burns! Do not remove the module when the system is
pressurized. Removing the module when the system is pressurized will
cause hot melt to free-flow from the applicator. Relieve system pressure
before removing the module. Failure to relieve system pressure can result in
personal injury.
Disassemble and Clean the Module
See Figure 11.
1. Turn the melter off. Disconnect and lock out power to the melter.
2. Unfasten the three screws that connect the nozzle and module, and
remove.
3. Unfasten the four screws that connect the module and cartridge, and
remove.
4. Unfasten the two screws that connect the strike cap.
5. Remove the needle.
6. Clear the module and nozzle carefully.
1
2
3
4
5
6
7
8
Slot coating Flexseam module
Jetting Flexseam module
Figure 11 Disassembling the Flexseam module
1. Air cap
2. Needle
3. Seal spring
4. Module body
5. Nozzle place (slot coating)
6. Nozzle lip
7. Nozzle plate (jetting)
8. Nozzle (jetting)