DuraBlue II Customer Product Manual - 第138页
Troubleshooting 6-26 Part 1126931_01 2018 Nordson Corporation Material Residue in Tank Possible Cause Possible Fault / T roubleshooting Corrective Action 1. Tank setpoint temperature set too high — Correct temperature …
Troubleshooting
6-25
Part 1126931_01
2018 Nordson Corporation
Material Pressure Too High
Possible Cause Possible Fault / Troubleshooting Corrective Action
1. Pressure control
valve dirty and thus
blocked
— Disassemble and clean or replace
2. Pressure control
valve defective
— Replace
3. Pressure control
valve set incorrectly
— Set to default
Material Pressure Too Low
Possible Cause Possible Fault / Troubleshooting Corrective Action
1. Pump is worn — Replace pump
2. Pressure control
valve does not close
any more
— Replace
3. Pressure control
valve dirty and thus
clogged
— Disassemble and clean or replace
4. Pressure control
valve defective
— Replace
5. Pressure control
valve set incorrectly
— Set to default
Troubleshooting
6-26
Part 1126931_01
2018 Nordson Corporation
Material Residue in Tank
Possible Cause Possible Fault / Troubleshooting Corrective Action
1. Tank setpoint
temperature set too
high
— Correct temperature setting
Material of low quality or not
appropriate for application
(temperature resistance poor)
Consult material supplier
Material Hardens in Tank
Possible Cause Possible Fault / Troubleshooting Corrective Action
1. Tank setpoint
temperature set too
high/too low
— Correct temperature setting
Others
Problem Possible Cause Corrective Action
1. Leakage at pump
shaft seal
Pump shaft seal is worn Tighten the gland bolt
— Replace pump
2. Material pressure too
low, output quantity
too low
Pump is worn Replace pump
3. Pump blocked
Processed material too cold Correct temperature setting (observe
data sheet of material manufacturer)
Foreign material in pump Replace pump
4. Leakage at gun
during heat‐up phase
Safety valve does not open
(expansion pressure)
Replace safety valve
Parts
7-1
Part 1126931_01
2018 Nordson Corporation
Section 7
Parts
Using the Illustrated Parts List
The parts lists provided in this section are organized into the following
columns:
Item—Identifies illustrated parts that are available from Nordson
Corporation.
Part—Provides the Nordson Corporation part number for each saleable
part shown in the illustration. A series of dashes in the parts column
(‐ ‐ ‐ ‐ ‐ ‐) means the part cannot be ordered separately.
Description—Provides the part name, as well as its dimensions and
other characteristics when appropriate. Bullets in the description, indicate
the relationships between assemblies, subassemblies, and parts.
Quantity—The quantity required per unit, assembly, or subassembly.
The code AR (As Required) is used if the part number is a bulk item
ordered in quantities or if the quantity per assembly depends on the
product version or model.