Product manual

Series B900-N and B900SW-N Manifold Mounted Electric Guns
28
Part 1041221B
E 2006 Nordson Corporation
Repair
Troubleshooting activities may identify needed repairs. Use these repair procedures as
appropriate. Refer to Parts for component part numbers.
WARNING: Allow only personnel with appropriate training and
experience to operate or service the equipment. The use of
untrained or inexperienced personnel to operate or service the
equipment can result in injury, including death, to themselves and
others, and damage to the equipment.
WARNING: Read and follow all procedures as detailed in the Safety section
before engaging in any repairs. Falure to do so can result in injury, including
death, to themselves and others, and damage the equipment.
CAUTION: Always disconnect the gun electrical connector when performing
maintenance to prevent accidental triggering.
Before proceeding with any maintenance procedure:
1. Completely relieve the system hydraulic pressure.
2. Verify that the B900 gun is positioned over a waste receptacle.
3. Disable the gun by turning off or disconnecting the gun from the melter.
Replace a Module
Follow this procedure to replace a complete module. To replace a module component that
requires complete disassembly and reassembly of the module, refer to Replace a Module
Component. To replace only the coil and housing assembly, refer to Replace the Coil and
Housing Assembly. Refer to Parts for replacement module part numbers.
Remove a Module
See Figure 8.
1. De-energize the system and disable the guns. Refer to Safety.
2. Remove the nozzle (5).
3. Remove the screws (4) that secure the module to the manifold. If the module is tightly
clamped between other modules, loosen the adjacent modules.