Chapter 6
Troubleshooting
ITW Dynatec
Apex Slot Die Applicator, Manual #40-47, Rev. 10.16
Page 53
Problem
Possible Cause
Solution
Applicator is too hot.
1. Applicator temperature
setpoint is too high.
2. Inoperative temperature
sensor.
1. Change setpoint, see ASU
manual.
2. Check/ replace sensor.
Air escapes from module.
1. Inoperative piston O-ring.
2. O-rings located between
module and service block
are inoperative.
1. Replace module.
2. Remove module from block
and replace O-rings.
Application pattern is erratic.
1. Adhesive pressure is too
low.
2. Pattern controller’s
adjustment is improper.
1.
a. For units without speed
control:
increase adhesive
pressure at ASU.
b. For units with speed control
(tach follower):
adjust pump
speed control.
2. See pattern controller manual
for proper adjustment.
