Repair; Disassembly; O-Ring And Seal Cartridge Replacement - Nordson A16A Customer Product Manual

14
A16A Inside Stripe Gun

Repair

Disassembly

O-Ring and Seal Cartridge Replacement

Part 107907-06
WARNING: Allow only qualified personnel to perform the following tasks.
Follow the safety instructions in this document and all other related
documentation.
See Figures 5 through 8.
WARNING: Make sure all power, air and fluid pressure is removed from the
A16A gun before performing and maintenance. Failure to observe this
warning may cause serious injury to personnel and/or damage to
equipment.
1. Locally actuated guns: Disconnect the electrical connectors.
2. Loosen the end cap retainer (16 or 19) until it turns freely.
3. Loosen the set screws (12) and remove the gun from the mounting rod
(15 or 18).
WARNING: Gun body is under spring tension. To prevent serious injury to
personnel and/or damage to the equipment, use extreme care when
removing the gun body from the gun.
4. Remove the screws (1) securing the gun body (4) to the manifold (9) /
end cap.
5. Remove the spring (8) from the manifold / end cap.
6. In this order remove the seat assembly (2), piston (7) and retainer (5)
from the gun body.
7. Thread a screw (1) into the seal cartridge assembly (6) through the back
where the retainer and piston were just removed.
NOTE: Removing the seal cartridge assembly will damage the seal in the
cartridge. A new seal cartridge must be installed in the gun.
8. Pull on the screw to remove the seal cartridge assembly from the gun
body.
See Figure 5 or 6.
E 2020 Nordson Corporation