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OBSOLETE

21-37

Issued 7/96

7

Installation 

(contd.)

Hose Connections 

 (contd.)

Perform these steps if you ordered the WM-1 spray
gun without hoses, part 176 501:

1. Loosen the captive screw (6) securing the rear

slide (8).  Remove the rear slide.

2. Remove the screws (16) securing the trigger (15).

3. Loosen the captive screws (17) securing the

extension (5).

4. Carefully insert the fluid hose (10) through the gun

body.  Apply a thin film of dielectric grease (9) onto
the fluid hose (10) as illustrated.

5. Insert the fluid hose (10) into the extension (5).

6. Tighten the captive screws (17) to secure the

extension (5).

7. Install the trigger (15) and secure using the

screw (16).

8. Insert the fluid hose strain relief lug (20) into the

pocket in the gun handle.

9. Install the rear slide (8) and tighten the captive

screw (6).

10. Connect the grounding air hose (11) to the

fitting (13).

Service Kits and Accessories

Service kits and accessories available from Nordson
are listed here.

Table 2  Service Kits and Accessories

Part

Service Kits and Accessories

176 538

Packing cartridge assembly service kit

176 542

Air valve service kit

176 541

Fluid needle service kit

176 550

Air seal service kit

176 545

Fluid seal service kit

176 546

Air hose

176 539

Fluid hose

227 583

Bag, cover, qty 1

227 584

Bag, cover, qty 12

Specifications

Weight

400 grams (14 oz)

NOTE:  Weight includes fluid tip, air cap, and retaining
ring.

Air Operating Capacity (at the spray gun)

Maximum working pressure:

7 bar (100 psi)

Average operating pressure
range:

1.70–2.8  bar
(25–40 psi)

Quality of the Air:

Particulate free, 5 
microns maximum

Fluid Operating Capacity (at the spray gun)

Maximum working pressure:

5.17 bar (75 psi)

Average operating pressure
range:

.68–1.70 bar
(10–25 psi)

Maximum temperature:

(49  C) 120  F

Flow rate (Zahn 2 cup):

up to 20 oz./min. at 
20 sec.

Nordson Technical Service Help

For technical assistance within the United States,
contact your local Nordson distributor or call Nordson
Technical Service at 1-800-275-6357.  For assistance
outside the United States, call your local Nordson
representative.

Summary of Contents for WM-1

Page 1: ...may result in serious burns WARNING Ignition hazard Do not use this handgun to spray coating materials having a fire point below 60 _C 140 _F Failure to observe this warning may result in serious inj...

Page 2: ...001B 1 2 5 3 4 6 7 8 10 9 11 12 13 15 14 16 17 18 19 20 Fig 1 WM 1 spray gun installation 1 Retaining ring 2 Cap 3 Nozzle 4 Valve seat 5 Extension 6 Captive screw 7 Thumb wheel air adjustment 8 Rear s...

Page 3: ...coating material 4 Fully trigger the WM 1 spray gun into a graduated container Use a stop watch to establish the time needed to collect the desired amount of fluid 5 Repeat steps 3 and 4 until the des...

Page 4: ...rounded metal container to drain the fluid tube 2137005A 3 Point the WM 1 spray gun downward and remove the retaining ring air cap and fluid tip 2137006A 4 Adjust the solvent supply to the lowest poss...

Page 5: ...e outer surfaces 2137011A 9 Clean the retaining ring air cap and fluid tip with a soft brush then dry 2137012A 10 Trigger the WM 1 spray gun Insert the fluid tip into the gun Place the air cap on the...

Page 6: ...t 15 Trigger Controls coating material flow from the WM 1 spray gun NOTE Always draw the trigger fully during WM 1 spray gun operation Installation Standard Nozzle Installation 1 Trigger the WM 1 spra...

Page 7: ...Nordson are listed here Table 2 Service Kits and Accessories Part Service Kits and Accessories 176 538 Packing cartridge assembly service kit 176 542 Air valve service kit 176 541 Fluid needle service...

Page 8: ...e Rotate air cap and trigger spray gun if problem exists clean air cap if problem does not exist clean fluid tip or replace air cap change coating material mixture if necessary Heavy center Increase a...

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