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Idiomas disponibles
TROUBLESHOOTING
Cause
Pattern
• Uneven air pressure
from side-holes
due to clogging
• Dried material clogging
around the tip of the
fluid nozzle, reducing
air flow dynamics
and atomization
• Loose or defective
fluid nozzle
• Atomizing pressure
is too high.
• Fluid output is too high.
• Paint viscosity is too low
Problem
Parts to be checked
Air valve spring
Air valve
Air valve seat set
Air leaks
Fluid nozzle to fluid
Fluid needle set
Fluid nozzle
Fluid needle set
Paint Leaks
Needle packing set,
needle packing seat
Fluid adjusting knob
Paint does not flow
Fluid nozzle
Paint filter inside the cup
General Application Guidelines
Nozzle Size
Ideal For
Inks, Blaze, Spot Repair, Stenciling
1.0mm
Basecoat, Clear coat, Topcoat, Fine Metallic, Single-Stage, Waterborne
1.2-1.3mm
1.4mm
Basecoat, Clear coat, Topcoat, Primer, Single-Stage, Waterborne
1.5-1.6mm
Basecoat, Filler, Primer, Medium Viscosity
1.8mm
Enamels, Filler, Primer
Acrylic Lacquer, Enamels, Filler, Liquid Metal, Polyester
2.0mm up
MODEL:
MTDPGHV8
MTDPGHV1
Correction
• Use a thinner to dissolve
obstructions; blow the gun
clean afterwards. ( DO NOT
TRY TO POKE THE HOLES !!)
• Clean the nozzle tip by using a
rag wet with thinner
• Tighten up the fluid Nozzle
• Reduce air inlet pressure.
• Reduce the material flow
by turning the fluid adjustment
knob; adjust spray width
accordingly
• If appropriate, increase
viscosity by adding more
paint
Cause
Wear
Dirt or damage
Dirt or damage
Damage or deteriorated
O-Ring
Dirt or damage or wear
on seat
Loose fluid nozzle
Wear on fluid needle spring
Loose fluid adjusting knob
Dirt, damage on seat
Paint build up to the needle
Tight needle packing set
causing the needle not
return to its normal position
Loose needle packing seat
Wear on needle packing set
Insufficient opening
Clogged fluid nozzle tip
Clogged filter
Page 5
GRAVITY FREED DETAIL
0.8 mm
HVLP SPRAY GUN
1.0 mm
Cause
Pattern
• Atomizing pressure
is too low.
• Fluid output is too low
• Paint viscosity is too high
• Material in the cup running out
• Air enters the fluid
passageways due to ineffective
needle packing
• Loose nozzle or clogging
between the nozzle and
the seat
• Loose or defective swivel of
Fluttering
the cup or the material hose
• Fluid nozzle and
seated properly
• Paint built up inside the
air cap
• 1st stage of triggering
Spitting
mechanism decreases
Correction
Replace parts
Clean or replace parts
Clean or replace parts
Replace parts
Clean or replace parts
Turn the knob to its close position:
adjust accordingly
Replace parts
Tighten with the supplied tool
Clean or replace parts
Take out the needle with
care; wash off any residue
Adjust the packing seat
until the triggering
becomes smooth again
Tighten the packing seat
Replace parts
Turn the knob to allow
more paints to pass through
Clean with a wet rag
Clean or replace parts
Correction
• Increase air inlet pressure
• Increase the material flow by
turning the fluid adjustment
knob: adjust spray width
accordingly
• If appropriate, reduce
viscosity by adding more paint
• Refill paint
• Unscrew and lubricate
the needle packing seat
• Clean the fluid nozzle
and seat
• Tighten or replace the
swivel nut
• Clean or replace fluid
nozzle and needle
• Dissolve any residue and
blow clean the air cap
• Replace the fluid nozzle and
needle set
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