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Page 4
SB-2-548-B
SpecIfIcatIon
air supply connection:
Universal 1/4" BSP and NPS
fluid supply connection:
Universal 3/8" BSP and NPS
maximum static air inlet pressure:
P
= 12 bar (175 psi)
1
maximum static fluid inlet pressure:
P
= 15 bar (218 psi)
2
nominal gun air inlet pressure
with gun triggered:
3.5 bar (50 psi)
maximum Service temperature: 104°F
Gun Weight: 14.5 oz.
materIalS of conStructIon
Gun body: Anodized Aluminum
nozzle: Stainless Steel
needle: Stainless Steel
fluid Inlet / fluid passages:
Stainless Steel / PTFE
trigger: Nickel Plated Steel
InStallatIon
Important: to ensure that this
equipment reaches you in first
class
condition,
protective
coatings have been used. flush
the equipment through with a
suitable solvent before use.
1.
Attach air hose to connector (13).
Recommended hose size 5/16" ID.
2.
Attach fluid supply hose to Fluid
Inlet (15).
operatIon
1.
Mix coating material to manufac-
turers instructions
2.
Turn needle adjusting screw (7)
clockwise to prevent movement.
3.
Turn spreader valve (5) counter-
clockwise to fully open.
4.
Adjust inlet air pressure (For recom-
mended figures see Specifications)
at the gun inlet with the gun trig-
gered. (pressure gauge attachment
shown under Accessories is recom-
mended for this).
5.
Turn needle adjusting screw counter
clockwise until first thread shows or
full needle travel is achieved.
6.
Test spray. If the finish is too dry
reduce airflow by reducing air inlet
pressure or by the Airflow Valve (14).
Screw the Adjusting Knob (14) in to
reduce pressure.
7.
If finish is too wet reduce fluid flow
by turning needle screw (7) clock-
wise or reducing the fluid pressure.
If atomization is too coarse, increase
inlet air pressure. If too fine reduce
inlet pressure.
8.
The pattern size can be reduced by
turning spreader valve (5) clockwise.
9.
Hold gun perpendicular to surface
being sprayed. Arcing or tilting may
result in uneven coating.
10. The recommended spray distance is
150-200 mm (6"-8").
11. Spray edges first. Overlap each
stroke a minimum of 50%. Move gun
at a constant speed.
12. Always turn off air and fluid supply
and relieve pressure when gun is
not in use.
preventatIve maIntenance
1.
Turn off air and coating supply and
relieve pressure in the supply lines,
or if using QD system, disconnect
from airline and fluid line.
2.
Remove air cap (1) 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 tip of the nozzle (2) is
clean and free from damage. Build
up of dried paint can distort the
spray pattern.
4.
Lubrication – stud/screw (6), packing
(4) and air valve (11) should be oiled
each day.
replacement of partS
nozzle (2) and needle (9) – Remove parts
in the following order: 7, 8, 9, 1 and 2.
Replace any worn or damaged parts and
re-assemble
in
reverse
Recommended tightening torque for
nozzle (2) 9.5-12 Nm (80-100 lbf in).
packing – Remove parts 7, 8, 9. Unscrew
cartridge (4). Fit new cartridge finger
tight. Re-assemble parts 9, 8, and 7 and
tighten cartridge (4) with spanner suffi-
cient to seal but to allow free movement
of needle. Lubricate with gun oil.
air valve Seal Kit (16) – (Refer to photos
1 to 28 and fig 2)
Spreader valve (5) – caution: always
ensure that the valve is in the fully open
position by turning screw fully counter-
clockwise before fitting to body.
order.
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