AG900 and AG900 S Applicators Customer Product Manual - 第41页

AG − 900+ and AG900+S Applicators 37  2009 Nordson Corporation Part 1098464A Regulator Spring Replacement The following paragraphs provide procedures for spring replacement of the regulator . Disassembly T o disassemble…

AG−900+ and AG900+S Applicators

Part 1098464A

 2009 Nordson Corporation

Body-Seal Replacement

To replace the body seal, perform the following procedure:

1. See Figure 24. Place a small amount of o-ring lubricant on new o-ring and install o-ring

in groove on back of module body.

2. Attach the applicator module to the regulator or applicator adapter body. Insert guide

pins into the mating holes for proper alignment.

3. Apply Never Seez lubricant to the two socket head mounting screws. Install the two

socket head mounting screws into the applicator body and tighten.

Figure 24: Applicator Body

1. Applicator module o-ring

2. Socket head mounting screws

AG−900+ and AG900+S Applicators

 2009 Nordson Corporation

Part 1098464A

Regulator Spring Replacement

The following paragraphs provide procedures for spring replacement of the regulator.

Disassembly

To disassemble the regulator, perform the following procedure:

1. For heated applicators only, disconnect and lock out input electrical power from the

system. Unplug the regulator heater cordset and the hose connection cordset.

2. Relieve pressure to the applicator See Figure 25.. Disconnect the material supply hose

from the hose connection, then remove the three M5 socket head screws. Remove the

applicator assembly from the bracket.

Figure 25: AG-900+/AG900+S Applicator

3. Remove the two M5 socket head screws from the applicator body. Carefully remove the

applicator module from the regulator module.

NOTE: Perform this step to prevent damage to the nozzle/needle service kit during

regulator assembly.

4. See Figure 26. Unscrew and remove the regulator adjustment screw (1) from the

regulator body. Remove the spring seat (2), thrust bearing (4), and spring (3) from the

regulator piston bore.

AG−900+ and AG900+S Applicators

Part 1098464A

 2009 Nordson Corporation

Assembly

To assemble the AG-900+/AG900+S regulator, perform the following procedure:

5. Lubricate O-rings with Parker lubricant.

6. Lubricate the thrust bearing (4). Replace spring, spring seat, and thrust bearing into the

regulator body.

7. Lubricate the adjusting screw (1) with Never Seez lubricant and insert into regulator body.

8. Position the applicator body against the regulator and secure it in place with the two M5

socket head screw. Apply Never Seez lubricant to the screws before installing them.

9. Secure the applicator assembly to the bracket with the three M5 socket head screws.

Apply Never Seez lubricant to the screws before installing them. Reconnect the material

supply hose to the hose connection.

10. For heated applicators, reconnect the input electrical power to the applicator. Plug

in the regulator heater cordset and the hose connection cordset and resume normal

operation.

Figure 26: AG-900+/AG900+S Applicator Regulator Assembly

1. Regulator adjustment screw

2. Spring seat

3. Spring

4. Thrust bearing