Troubleshooting - Earlex Super Sprayer 85 SG85 Operating Instructions Manual

sg82 amend p8.qxd 19/01/00
TROUBLE SHOOTING
PROBLEM
Spray Gun HUMS Piston Sticking.
but does not
operate.
No suction Feed.
Spray Gun motor
operates but
nothing coming
out.
Spray Gun motor
operates, but
spluttering.
Paint Dripping.
Excessive fogging. Pressure too high. Turn output knob clockwise to reduce pressure
Runs and sags in
paint.
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CAUSE ACTION REQUIRED
Remove 4 screws adjacent to paint pick up pipe
Part no. SG12. part no. SG14. Release container cover, cylinder
housing and piston assembly. Unscrew and remove
nozzle. Remove atomiser valve. Use soft punch or
shaft of 4.5mm MAXIMUM diameter inserted into the
valve housing to eject the stuck piston. Clean and
lubricate piston and cylinder. Re-assemble carefully
in reverse order. Remember to replace the
compression spring onto the piston before fitting the
piston. Ensure you have not dropped any parts into
the motor housing.
No Valve in pump. Insert atomiser valve part no. SG03.
Paint Pickup Clean filter accordingly part no. SG16.
filter blocked.
Liquid too thick. Thin liquid as recommended.
Nozzle Blocked Clean thoroughly with thinners.
part no. SG04 or
SG44.
Atomiser valve Clean thoroughly with thinners.
blocked, part no.
SG03.
Worn valve. Replace atomiser valve part no. SG03.
Worn nozzle. Replace nozzle part no. SG04 or SG44.
Container almost Refill container.
empty.
Spray gun held Hold at correct angle.
at wrong angle.
Liquid too thick. Thin liquid as recommended.
Incorrectly set Adjust regulator at back of gun.
regulation
control.
Nozzle loose. Tighten nozzle.
Operating at more Keep sprayer upright.
o
than 45 angle.
Holding sprayer Hold sprayer about 30cm (12") from work.
too far from
surface.
Arm movement See section on spraying.
too slow.
Spray gun too
close to work
surface.
Applying too
much paint in
one go.
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