Nordson ProBlue P4 - Remove the Magnetic Actuator Assembly

SP Pump Diagnostics and Repair
D-12
Part 1024496_06
 2014 Nordson Corporation
Remove the Magnetic Actuator Assembly
See Figure D‐3.
1. Remove the two M5 screws (3), and then pull the can (2) off of the
actuator assembly (1).
See Figure D‐4.
2. Pull the actuator assembly away from the upper detent (4) to expose the
small tool hole in the shaft (3).
3. Place a
1
/
8
‐in. steel rod or similar tool into the tool hole to prevent the
actuator from rotating.
4. With the actuator assembly held in position with the
1
/
8
‐in. steel rod/tool,
remove the valve spool nut (1), and then remove the bumper assembly
(2).
See Figure D‐5.
5. While holding the valve spool by the wrench flats (1) to prevent the spool
from rotating, unscrew the actuator assembly (2).
Check/Repair
Magnetic Actuator
P/N 164606
Magnets are secured to
the actuator shaft,
undamaged, and free of
debris
Clean, tighten the
magnets, or replace as
needed
Bumper assembly
P/N 1014650
Check for wear Replace if worn