DeVilbiss Viper User manual

SB-E-2-CBA1 ISS.02

Operation Manual

Viper – Automatic Spray Gun

E P 1 – 12

Operation Manual

Viper- Automatic Spraygun

Important

Read and follow all instructions and Safety Precautions before using this equipment

CHARACTERISTICS

Automatic Spray gun for enamel application designed to give you the optimal production performance.

This spray gun is answering the needs of the sanitary application, table ware and decorative

application, pavement, tiles, electric domestic appliances and all others ceramic activities.

The patent pending “Quick Up” ring will give you an easy and quick dissembling of the air cap and the

tip. The patent pending bellows seal will give your needle long life.

The needle adjustment knob has 18 ratchet positions, allows fine and accurate fluid flow control.

MATERIALS OF CONSTRUCTION

Gun body Aluminium hard anodizing

Tip

With brass body

assy

Stainless steel 303. (Option only)

Stainless steel hardened HRC 58 & Nickel treated.

Carbide.

Needle

Stainless steel 303 body & needle end. (Option only)

Stainless steel body & needle end Steel hardened to HRC 58

Stainless steel body & carbide end.

Stainless steel body & special PU end (Option only)

Spray head Stainless steel

SPECIFICATIONS

Thread

Pressure

Fluid inlet & Fluid Recirculation “P” 1/4 BSP 7b max

Air inlet (Atom+Fan) “A” “F” 1/4 BSP 7b max

Cylinder/trigger “Cyl” 1/8 BSP 4b min - 7b max

Maximum temperature in use 40° C

Spray gun weight 620 gr

Air consumption E31

E63

E70

340 l/mn at 2.5 bar

450 l/mn at 3.5 bar

540 l/mn at 4 bar

AAdjusting knob

BHead gun

CBaffle

DAir Cap

EValve

FBody

PProduct inlet

SAFETY WARNINGS

Fire and explosion

Solvents and coating materials can be highly flammable or combustible when sprayed.

ALWAYS refer to the coating material supplier’s instructions and COSHH sheets

before using this equipment.

Users must comply with all local and national codes of practice and insurance company

requirements governing ventilation, fire precautions, operation and house-keeping of

working areas.

This equipment, as supplied, is NOT suitable for use with Halogenated

Hydrocarbons.

Static electricity can be generated by fluid and/or air passing through hoses, by the

spraying process and by cleaning non- conductive parts with cloths. To prevent ignition

sources from static discharges, earth continuity must be maintained to the spray gun and

other metallic equipment used. It is essential to use conductive air and/or fluid hoses.

Personal Protective Equipment

Toxic vapours – When sprayed, certain materials may be poisonous, create irritation or

are otherwise harmful to health. Always read all labels, safety data sheets and follow any

recommendations for the material before spraying. If in doubt, contact your material

supplier.

The use of respiratory protective equipment is recommended at all times. The type of

equipment must be compatible with the material being sprayed.

Always wear eye protection when spraying or cleaning the spray gun.

Gloves must be worn when spraying or cleaning the equipment.

Training – Personnel should be given adequate training in the safe use of spraying equipment.

Misuse

Never aim a spray gun at any part of the body.

Never exceed the max. Recommended safe working pressure for the equipment.

The fitting of non-recommended or non-original spares may create hazards.

Before cleaning or maintenance, all pressure must be isolated and relieved from the equipment.

The product should be cleaned using a gun-washing machine. However, this equipment should

not be left inside gun-washing machines for prolonged periods of time.

Noise Levels

The A-weighted sound level of spray guns may exceed 85 dB (A) depending on the set-

up being used. Details of actual noise levels are available on request. It is recommended

that ear protection is worn at all times when spraying.

Operating

Spray equipment using high pressures may be subject to recoil forces. Under certain

circumstances, such forces could result in repetitive strain injury to the operator.

LIST OF SPARE PARTS

For the arrangement of the parts, refer the exploded view

Rep Ref Description Qty

1 SPA-36 Retaining ring 1

2 SPA-17-K5 Gasket Polyurethane kit of 5 1

SPA-100-E63

SPA-100-E70

SPA-100-E31

“Conventional” air cap for tips Ø 1.8 & 2.0

“Conventional” air cap for tips Ø 2.2 & 2.8

“Transtech” air cap for tips Ø 1.2 to 2.0

4 SPA-16-K2 Gasket kit of 2 1

SPA-250H-XX

SPA-250-XX

SPA-254-XX

Tip assy with brass body (see chart p11 combination)

Tip inserted in Stainless steel (1,2 to 2,0) (Option)

Tip inserted steel hardened & Nickeled

(1.2 to 2.8B)

Tip inserted carbide (2,2 or 2,8)

6 S-14190-K4 Screw M4 x 25 kit of 4 Torx 20 1

7 S-28218-K5 O ring kit of 5 4

8 SPA-2 Spray head 1

9 SPA-11 Bellows (needle seal) 1

10 SPA-10 Sealing washer 1

11 S-28221-K10 Gasket kit of 10 2

12 SPA-1-VPR Gun body 1

13 AGG-403 Air valve 2

14 S-28220-K5 Gasket kit of 5 1

15 SPA-6-1-K Piston + Gaskets (14, 15a, 16) 1

15a SPA-28225-K5 Gasket kit of 5 1

16 S-28219-K10 Gasket kit of 10 2

17 SPA-13 Piston Spring 1

SPA-350-DE

SPA-351-DE

SPA-351-DEH

SPA-351-22

SPA-351-28B

SPA-352

Needle, PU point for tips 1.2 to 2.0 (Option)

Needle, hardened S Steel point, for tips 1.2 to 2.0

Needle, full 303 S. steel for tip SPA-250H-xx (Option)

Needle, hardened S Steel point, for tip 2.2

Needle, hardened S Steel point, for tip 2.8B

Needle, carbide point, for carbide tips 2.2 to 2.8

19 SPA-3 Housing 1

20 1

21 SPA-KK-1 Kit of ring and ball for ratchet 3

22 AGMD-110 Spring 1

23 AGMD-111 Spring 1

24 SPA-19 Washer 1

25 SPA-4 Adjusting knob 1

26* SPA-7-K Kit rear housing without adjustment (Option)

27* SPA-22-K2 Kit of air connector for remote control (Option)

28* AGGS-33 Shaft (Accessory)

29* SS-659-CD Nut (Accessory)

30 S-18226 Plug ¼ BSP for spray gun without fluid recirculation 1

31 S-1444-H M5 hexagon socket head cap screw, length 8 2

32 SPA-25 Plug 1

* Optional spare parts

ustin

knob

Adjusting knob

POSSIBLE COMBINATIONS

Fluid Tip Needle Air Cap

Hardener

Steel Carbide Point

Pu Point

Steel Point Carbide E63 E70 E31

SPA-250-XX SPA-254-XX SPA-350-XX SPA-351-XX SPA-352 SPA-100-XXX

1.2 12 DE DE

1.4 14 DE DE

1.6 16 DE DE

1.8 18 DE DE

X X

2.0 20 DE DE

X X

2.2 22 22 22 x X

2.8 28B 28 28B x X

Tip SPA-250H-xx (Size 12 to 2,0 mm) and needle SPA-351-DEH in stainless steel 303 will be

supplied only in option.

MODEL PART NUMBER

VPR-E70-28 C

C = Tip/Needle in carbide

Tip Ø (2.8 mm)

Air cap number (E70)

Spray gun type

OPÉRATION

Important : This spray gun is designed for water based application, solvent

is prohibited, it will damage the seal inside the spray gun. To ensure that

this equipment reaches you in first class condition, protective coatings

have been used. Flush the equipment through with water before use.

Connect the air and fluid supply, clean the fluid passage during 3 minutes

and operate trigger piston 10 time at minimum.

SETTING

1. The « ATOM » air valve control the atomizing air pressure

« FAN » reduces the spray pattern size. To increase the

pressure turn clockwise & reverse to reduce turn counter-

clockwise.

2. Fluid flow can be adjusted with the rear ratchet knob, fluid

flow is increased when you turn the knob counter-

clockwise.

STARTING-UP

1. Turn the needle adjusting knob clockwise until it.

2. Turn the “Fan” and “Atom air valves counter-clockwise to be full open.

3. Set the air pressure at the air regulator to achieve recommended pressures above.

4. Turn the adjusting knob counter clockwise to obtain the desired fluid flow.

5. Test spray. If the finish is too dry or fine, reduce airflow by reducing air inlet pressure or by the valve

(13 Atom) screwing it in clockwise, or increase fluid flow using ratchet knob rotating counter clockwise.

6. If the finish is too wet, turn the needle button (25) in clockwise to reduce the fluid flow, or reduce the

fluid pressure.

If the atomization is too coarse, increase inlet air pressure, or reduce fluid flow.

7. The pattern size can be reduced by turning adjusting valve “Fan” (13) clockwise.

8. The spray pattern will give the best results when perpendicular to the target.

9. The recommended spray distance is 150-220 mm (6’’ to 8’’).

10. Spray edges first. Overlap each stroke a minimum of 50%. Move gun at a constant speed.

11. Always turn off air and fluid supply and relieve pressure and clean down when gun is not in us.

PREVENTIVE MAINTENANCE

Turn off air and coating supply and relieve pressure in the supply lines, before any maintenance

operation.

Tip (5) & needle (18)

Remove the air cap and its retaining ring by unscrewing by ¼

turn counter- clockwise (Fig 1).

Remove the tip and its baffle (5) by unscrewing by ¼ turn

counter- clockwise (Fig 2). Unscrew the adjusting needle knob fully

in counter-clockwise rotation and pull out the needle at the back.

After refitting the needle and before refitting the nozzle, push the

bellows (with the tube supplied) back in order to put it in

contact with the needle shoulder so as to make the product

passage free.

The fluid tip and baffle are permanently fitted together. There is no

possibility to separate them. The baffle will be damage if you try to

dismantle.

Tube

FIG 1 FIG 2

PACKING

Unscrew the 4 screws to disassemble the gun head. Remove the packing bellows seal. Clean or

replace if the packing is damaged.

FAN & ATOM AIR VALVE (13)

Before assembling, check the air valve is in fully open position by

unscrewing it counter-clockwise.

Piston (15), o ring (16) & (14)

Unscrew the rear housing (19) at the back of the gun body counter

clockwise, pull out the needle (18).

Use bent nose pliers so to pull out the piston which has a 12mm

internal groove for this purpose.

It’s recommended to replace the o ring (14) into the gun body as soon

you disassemble the Piston.

When replacing the piston, slightly lubricate all the O rings before fitting

into the gun body.

PREVENTIVE MAINTENANCE

1. Turn off air and coating supply and relieve pressure in the supply lines, or disconnect from

airline and fluid line.

2. Remove air cap and clean. If any of the holes in the cap are blocked with coating material use

a toothpick to clean. Never use metal wire which could damage the cap and produce

distorted spray patterns

3. Ensure the fluid tip of the nozzle is clean and free from damage especially the outside at the

front diameter. Any build up of dried paint can distort the spray pattern.

EC Declaration of Conformity

We, ITW Finishing UK, Ringwood Rd, Bournemouth, Dorset, BH11 9LH, UK, as the manufacturer of the Spray

gun model VIPER , declare, under our sole responsibility that the equipment to which this document relates is in

conformity with the following standards or other normative documents:

BS EN 292-1 PARTS 1 & 2: 1991, BS EN 1953: 1999; and thereby conform to the protection requirements of Council

Directive 98/37/EEC relating to Machinery Safety Directive, and;

EN 13463-1:2001, council Directive 94/9/EC relating to Equipment and Protective Systems intended for use in

Potentially Explosive Atmospheres protection level II 2 G X.

B. Holt, General Manager

24th April 2007

ITW Finishing Systems and Products reserve the right to modify equipment specification without prior notice.

OPTIONS

Spray gun without needle adjustment

Part number: SPA-7-K

This kit includes the back piece and washer to replace the part items 19, 20,

21, 24, 25, on the exploded view.

Spray gun with “Atom” & “fan” remote control

Parts number: SPA-22-K2

This includes 2 connectors taking place of the two 2 air valves (13) on the

exploded view.

Spray gun shaft

Part number: AGGS-33

Nut for spray gun shaft

Part number: SS-659-CD

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