14
MEG® II Airless Spray Guns with 10 ft Cable
© 2021 Nordson Corporation
Gun Module Replacement
WARNING:
Relieve system fluid pressure and shut off system electrical power before
performing the following procedure. Failure to do so could result in personal injury.
NOTE:
The gun module can be replaced without removing the gun from the spray
machine.
See .
Have the following ready:
• module service kit
•
petroleum jelly (do not use O-ring lubricant)
The module service kit is shipped assembled. It consists of the:
• gun module
• spacer
• gun module O-ring
• armature assembly
• seat
• nozzle nut
• seat O-rings
• seat retainer nut
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.
See Figure 5.
1. If used, remove the CleanSleeve cover from the spray gun.
2.
Remove the nozzle nut (7) and nozzle (6).
3.
Loosen the set screw (1) on the gun module nut (2).
4.
Unscrew the gun module nut. Carefully pull the gun module (4) out of the gun.
5.
Lubricate the gun module O-ring (3) with petroleum jelly.
CAUTION:
Make sure you install the new gun module so that the two pins in the gun
module fit into the pin sockets in the upper manifold. Failure to do so may damage the
gun module.
6.
Carefully install the new gun module, fitting the pins into the pin sockets in the upper
manifold. Tighten the gun module nut to 20-25 ft-lb (27-34 N●m).
7. Tighten the set screw on the gun module nut.
8.
Lubricate the O-ring (5) in the seat face with petroleum jelly.
9. Insert the nozzle into the nozzle nut. Thread the nozzle nut onto the spray gun and
tighten it securely with the optional nozzle wrench to 10-12 ft-lb (14-16 N●m). Do not
overtighten the nut.
NOTE:
Make sure you use the flats on the extended seat to tighten the nozzle nut with
the wrench on extended tip guns. Do not overtighten the nut.
10.
If desired, install a CleanSleeve cover over the spray gun following the specified
procedure as detailed in the
CleanSleeve Cover
instruction sheet (108747).
