Nordson 1007839a User manual

Instruction Sheet

E2001 Nordson Corporation

Issued 5/01

Manual 27-84

P/N 1007839A

2K Swirl Nozzle Attachments

WARNING: Allow only qualified personnel to perform the

following tasks. Follow the safety instructions in this document

and all other related documentation.

See Figure 1.

The 2K swirl nozzle attachments mount to the Two Component

dispensing gun to provide a thoroughly mixed, temperature-conditioned

material stream in a swirl-type pattern. The 2K pneumatic swirl nozzle

attachments include the following assemblies:

STemperature conditioning mounting assembly (1)

SConditioning block assembly (2)

SMixer assembly (3)

2784001A

Fig. 1 Swirl Nozzle Attachments

1. Temperature conditioning mounting

assembly

2. Conditioning block assembly 3. Mixer assembly

1. Description

22K Swirl Nozzle Attachments

E2001 Nordson Corporation

1007839A

Issued 5/01

Manual 27-84

The temperature conditioning mounting assembly receives air from the

mixer assembly and water from the conditioning block. The assembly

mounts to a robot or stationary dispensing gun mounting bracket.

The conditioning block assembly mounts to the mixer tube housing. A

constant stream of water through the conditioning blocks keeps the

dispensing material at a constant temperature. A toggle latch clamps the

assembly to the mixer tube housing.

The mixer assembly mounts to the tip of the 2K dispensing gun. A

stream of air from the bores in the air nozzle adapter hits the material

stream from the static mixer nozzle, causing the steady material stream

to swirl.

Perform these steps to install the pre-assembled attachments and

tubings and fittings to your existing 2K dispensing gun.

See Figure 2.

1. Transfer the hole pattern from the insulator (1) to your robot or

stationary dispensing gun mounting bracket.

2. Drill or tap the holes according to your specific mounting

requirements.

3. Line up the insulator, manifold (3), and bracket (4).

4. Install two customer-supplied bolts and washers (5, 6). The holes will

accommodate either 1/4-in. or M6 bolts.

NOTE: Use threadlocking adhesive on the jam nut.

5. Tighten the bulkhead connector (7) to the bracket.

6. Install the quick disconnect coupling and fittings (8) to the bulkhead

connector.

7. Install the mixer assembly (14) onto the tip of the 2K dispensing gun.

8. Attach the elbow (12) to the air nozzle collar (13).

9. Open the hinged conditioning blocks on the temperature conditioning

mounting assembly (15) and attach them to the mixer tube housing.

10. Engage and close the toggle latch.

Temperature Conditioning

Mounting Assembly

Conditioning Block Assembly

Mixer Assembly

2. Installation

Pre-Assembled Attachments

2K Swirl Nozzle Attachments

E2001 Nordson Corporation

Issued 5/01

Manual 27-84

2784005A

Proportioning

Valve

Fig. 2 Installing the Pre-Assembled Attachments, Tubing, and Fittings

1. Insulator

2. Supply and return elbow fittings

3. Manifold

4. Bracket

5. Washer

6. Lockwasher

7. Bulkhead connector

8. Quick disconnect couplings and

fittings

9. Urethane tubing

10. Water hose fittings

11. Push-lock water tubing

12. Elbow

13. Air nozzle collar

14. Mixer assembly

15. Conditioning block assembly

Note: Illustration shows a typical installation. Items 1 and 3 through 6 will vary according to the applications.

42K Swirl Nozzle Attachments

E2001 Nordson Corporation

1007839A

Issued 5/01

Manual 27-84

NOTE: See Figure 3. Air for the mixer assembly is provided and

controlled by a proportional valve. For more information, refer to the

manufacturer’s proportional valve documentation in the Nordson service

package for information on setting adjustments for your specific setup.

2784006A

Blow-Off Air

Swirl Air

Proportional

Valve

Quick

Bulkhead

Connector

Disconnect

Assembly

Fig. 3 Proportional Valve Schematic

Pre-Assembled Attachments

(contd)

2K Swirl Nozzle Attachments

E2001 Nordson Corporation

Issued 5/01

Manual 27-84

See Figure 2.

1. Connect the urethane tubing (9) between

Sthe air nozzle collar (13) and the quick disconnect coupling

assembly (8).

Sthe bracket mounting assembly (4) and the proportioning valve.

2. Install the water hose fittings (10) to

Sthe conditioning block assembly (15).

Sthe temperature conditioning mounting assembly (1, 3–6).

3. Connect the push-lock water tubing (11) to the water hose fittings.

4. Install the supply and return elbow fittings (2) onto the temperature

conditioning manifold.

5. Connect the temperature conditioning tubing to the elbow fittings.

Perform these steps on a regular basis to keep your equipment in good

working condition.

1. Check the hoses and tubing for leaks.

2. See Figure 6.

Keep air ports on the mixer assembly air nozzle adapter (3) clean and

remove any overspray.

Tubings and Fittings

3. Maintenance

62K Swirl Nozzle Attachments

E2001 Nordson Corporation

1007839A

Issued 5/01

Manual 27-84

WARNING: Allow only qualified personnel to perform the

following tasks. Follow the safety instructions in this document

and all other related documentation.

This section contains troubleshooting procedures. These procedures

cover only the most common problems that you may encounter. If you

cannot solve the problem with the information given here, contact your

local Nordson representative for help.

Problem Possible Cause Corrective Action

1. No swirl action Clogged air nozzle adapter ports Disassemble and clean the mixer

assembly.

No air supply, leaking air tubing Check the proportioning valve and air

lines for leaks.

2. No material Clogged mixer tube Remove the conditioning block and

replace the mixer tube.

3. Inconsistent swirl

pattern at the beginning

of the bead

Faulty temperature conditioning block Check the water temperature and

circulation.

4. Troubleshooting

2K Swirl Nozzle Attachments

E2001 Nordson Corporation

Issued 5/01

Manual 27-84

WARNING: Allow only qualified personnel to perform the

following tasks. Follow the safety instructions in this document

and all other related documentation.

NOTE: The mixer assembly does not have to be removed when

changing the mixer tube. Just remove the mixer tube housing from the

dispensing gun with the mixer assembly in place.

See Figure 6.

Perform these steps to disassemble the mixer assembly.

1. Remove the air nozzle adapter nut (4) from the mixer tube housing.

2. Remove the retaining ring (7) from the air nozzle adapter (3).

3. Carefully remove the air nozzle collar (6).

4. Pull the air nozzle adapter out of the air nozzle adapter nut.

5. Remove O-rings (5) from the air nozzle collar.

See Figure 6.

Perform these steps to assemble the mixer assembly.

NOTE: Apply Never Seez to the shoulder of the air nozzle (3).

1. Slide the air nozzle adapter nut (4) over the air nozzle.

2. Apply Mobil SHC 634 to the O-rings (5). Install the O-rings into the

air nozzle collar (6).

3. Install the air nozzle collar.

4. Install the retaining ring (7).

5. Thread the assembly to the bottom of the mixer tube housing (1).

5. Repair

Disassembling the Mixer

Assembly

Assembling the Mixer

Assembly

82K Swirl Nozzle Attachments

E2001 Nordson Corporation

1007839A

Issued 5/01

Manual 27-84

To order parts, call the Nordson Customer Service Center or your local

Nordson representative.

See Figure 4.

Item Part Description Quantity Note

—1005731 Assembly, mounting, temperature conditioning, 2K swirl,

supply air

1 1005733 SInsulator, Haysite, 1.50 x 2.75 x 0.125 in. thick 1

2 972119 SElbow, male, 1/4tube x 1/8NPT 3

3 1005734 SManifold, temperature conditioning, pneumatic swirl 1

4 1007967 SBracket, air supply, 2K swirl 1

5 983410 SWasher, flat, M6, narrow, steel, zinc 2

6 983140 SWasher, lock, E, split, 1/4, steel, nickel 2

7 972725 SConnector, bulkhead, 1/4in. tube 1

8 973372 SBushing, pipe, hydraulic, 1/4x 1/8, steel, zinc 1

9 241041 SCoupling, quick disconnect 1

10 241042 SCoupling, quick disconnect 1

11 972659 SConnector, female, 1/4tube x 1/8NPT 1

12 282286 STubing, 1/4in. OD blue urethane, 2 ft AR

13 329829 SConnector, female, 1/4in. hose, 7/16-20 barbed 4

14 1007842 SElbow, male, 37 D, 7/16-20, 1/8NPT, brass 2

15 1007966 SHose, push-lock (801), 0.25 in. ID, 2 ft AR

NS 900481 SAdhesive, pipe/thread/hydraulic sealant AR

NS 900464 SAdhesive, threadlocking AR

AR: As Required

NS: Not Shown

6. Parts

Temperature Conditioning

Mounting Assembly

2K Swirl Nozzle Attachments

E2001 Nordson Corporation

Issued 5/01

Manual 27-84

2784004A

Fig. 4 Temperature Conditioning Mounting Assembly

Temperature Conditioning

Mounting Assembly (contd)

10 2K Swirl Nozzle Attachments

E2001 Nordson Corporation

1007839A

Issued 5/01

Manual 27-84

See Figure 5.

Item Part Description Quantity Note

—1005730 Assembly, conditioning block, pneumatic swirl 1

1 982059 SScrew, socket, M4 x 8, black 8

2 1006151 SLatch, toggle, DZUS 803 series 1

3 1005732 SBlock, temperature conditioning, pneumatic swirl 1

4 973403 SPlug, pipe, socket, flush, 1/16 in., zinc 6

5 1006164 SHinge, 2.00 x 1.50 x 0.06 in. thick 1

6 282286 STubing, 1/4in. OD blue urethane, 1 ft AR

7 972119 SElbow, male, 1/4tube x 1/8NPT 2

8 1005938 SConnector, 45D hose, 7/16-20 x 1/8NPT, brass 2

NS 900481 SAdhesive, pipe/thread hydraulic sealant AR

NS 900464 SAdhesive, threadlocking AR

AR: As Required

NS: Not Shown

2784003A

Fig. 5 Conditioning Block Assembly

Conditioning Block Assembly

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