Nordson 2302 - 5. Adhesive;Air Leaks from Gun Module Bleed Hole; 6. Individual Gun Module Misfires; 7. Multi-Gun Modules Do Not Fire at Same Time

Troubleshooting
5. Adhesivdair jeaks from gun
module bleed ho/e
I
Problem
I
Possible Reason
1. Material/air
Internal components worn excessively
seeping past
o-rings, seals
Corrective Action
Rebuild or replace gun module
Refer to
I
Gun
manual
6. Individual gun module
misfires
Problem
I
Possible Reason
I. Clogged nozzle
Charred material from tank or hose
lodged in nozzle
Remove and clean nozzle
2. Clogged gun
seat
See above Remove and clean gun seat
3. Malfunction-
ing module
See above; or worn out mechanical
components
Rebuild or replace module
7. Multi-gun modules do not
fire at same time
Problem
I
Possible Reason
1. Modules out of
Adjustment required
synch with
each other
1 (failed module)
Module cannot be synchronized
Corrective Action
Corrective Action
Turn loading screw at module top to
adjust bead deposit:
CW = delays deposit
CCW = advances deposit
Rebuild or replace gun module(s)
Refer to
Section 5
Section 5
(Nozzle
Cleaning)
Gun
manual
.
Refer to
‘Gun
manual
Gun
manual
PM 106 701A
41-23oOSP- 1194
0 Nordson Corporation 1994
All Rights Reserved