16
2. Unscrew and remove the spray nozzle threaded plug
from the spray nozzle body using a 1-1/16” wrench.
3. Remove the diaphragm spring from the body.
4. Remove the piston rod diaphragm assembly from the
body by gripping the top of the piston with pliers.
5. Remove the spray nozzle insert from the body. It may
be helpful to use the old piston rod diaphragm assembly
inserted into the center bore of the spray nozzle insert to
gently wiggle the insert to loosen it from the body.
Before starting make sure you have these tools:
1. 5/16” combination wrench
2. 1-1/16” combination wrench
3. Standard pliers
4. Dental pick or similar tool
5. Compressed air gun and/or thin piece of wire
6. Flashlight
7. Lubriplate 630-AA or equivalent grease
1. If you have the 4210 series nozzle with needle valves
you will need to use a 5/16” wrench to unscrew and
remove them from both sides of the spray nozzle body.
It is also recommended to remove the nozzle tip as this
will help you in step 8.
Rebuild Kit Instructions
4210 Series Rebuild Kit (302106)
4230 Series Rebuild Kit (303823)
Figure 37: 4210 Series rebuild kit
Figure 38: 4230 Series rebuild kit
Figure 41: Removing diaphragm spring
Figure 42: Removing piston rod diaphragm
Figure 39: Removing needle valves & nozzle tip
Figure 40: Removing threaded plug
Summary of Contents for 4210 Series
Page 1: ...Low Volume Spray Nozzles Operation Manual...
Page 6: ...Identifying Symbols Caution ISO 7000 0434B...
Page 8: ......
Page 33: ...25 Notes...