Product manual

Series B900-N and B900SW-N Manifold Mounted Electric Guns

Part 1041221B

E 2006 Nordson Corporation

Recommended Maintenance Schedule

Table 4 provides a recommended maintenance schedule. The operating environment will

determine how often these steps should be performed.

Table 4 Recommended Maintenance Activities and Schedule

Maintenance Activity Daily Monthly As Needed*

Clean the outside surfaces of the gun X

Check for leaks X X

Check the modules for foreign material X X

Clean nozzles (refer to Cleaning

Nozzles)

Replace the filter (refer to Replacing a

Filter)

X X

*Extra maintenance may be required for continuous-duty operations.

Cleaning Nozzles

Gun nozzles may become clogged when char, a by-product of overheating the hot melt,

becomes lodged in the nozzle.

1. Heat the gun to application temperature.

2. Relieve system pressure and disable the gun. Refer to Safety.

3. See Figure 6. Remove the nozzles.

Figure 6: Removing a nozzle

WARNING: Risk of fire. Do not heat Nordson Type R fluid above 245 _C (475

_F). Use only an industrial grade, regulated, electrical heating device that is

designed to heat industrial fluids. Personal injury or property damage can result if

Type R cleaning fluid is heated with an open flame or in an unregulated heating

device.