12
MEG® II Airless Spray Guns with 10 ft Cable
© 2021 Nordson Corporation
1602990-12
Repair
WARNING:
safety instructions in this document and all other related documentation.
Ball and Seat Replacement
WARNING:
performing the following procedure. Failure to do so could result in personal injury.
NOTE: The ball and seat can be replaced without removing the applicator from the spray
arm.
See .
Have the following ready:
• ball and seat service kit
•
The ball and seat service kit is shipped assembled. It consists of the:
• seat • spacer
• O-rings • armature/ball assembly
NOTE: Inspect all O-rings and replace any that are damaged. Lubricate all O-rings
with petroleum jelly before assembly. The soft goods service kit listed in Parts includes
all O-rings used in the MEG gun, or they can be ordered separately. An alternate PTFE
O-ring can be used in the seat instead of the EPR O-ring.
See Figure 4.
1. If used, remove the CleanSleeve cover from the gun module.
2.
3.
assembly snaps out.
4.
module.
5. Clean the O-ring sealing surface on the inside diameter of the gun module.
6. Lubricate the new seat O-rings with petroleum jelly.
7.
a. Fit the body pins into the pin sockets in the seat.
b. Make sure the spring tab is engaged in slot of seat holder.
c.
install the ball and seat assembly.
NOTE:
increments. Each time you install the seat, rotate it one increment to even out wear on
the face of the coil body.
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