KREMLIN
Page 4
Manual : 573.079.112
JET TOO THICK IN THE CENTER
This is the reverse of the above defect.
−
The paint output is too high for the selected air pressure : increase
the spraying air pressure and reduce the paint output.
−
If the paint is too thick, dilute it.
INTERMITTANT SPRAY PATTERN
An air inlet in the paint circuit creates an intermittant pattern when the paint cup is nearly empty.
When the nozzle is not tightened and is not correctly fitted on its seat, clamp it. If the problem persists,
remove the nozzle and clean it. Check that the seat and the cone are not damaged, remount the noz-
zle and clamp it.
When using a cup, air can get into the paint circuit :
- through the packing (passage seal of the needle into the gun body)
Î
tighten it.
- through various fittings between the gun and the cup if these are not correctly tightened.
Check that :
- the cup cover air hole is not blocked,
- the paint is homogeneous and fluid enough (use the viscosity cup).
PAINT LEAK
Screw on the stuffing-box, lightly to avoid clamping the needle. For this, tighten it tightly and unscrew it
by 1/4 turn.
If the attempt to stop the leak is unsuccessful, replace the packing and the needle which are probably
worn :
- Make sure that there is no more paint inside the gun.
- Completely unscrew the thrust. Remove the spring.
- Pull out the needle from the rear.
- Unscrew the packing holder and replace it.
- Screw in tightly the new packing holder.
- Insert the new needle, the lubricated spring and the thrust.
- Tighten the stuffing-box firmly and unscrew it by 1/2 turn.
- Feed paint.
If the leak persists, tighten again lightly.
AIR ADJUSTER LEAK
Change the air adjuster :
- Unscrew the needle stop. Remove the spring and the needle.
- Unscrew the sleeve.
- Remove the valve spring and the air adjuster
- Remount the new air adjuster and the other parts in the reverse order of the disassembly sequence.
PAINT LEAK IN FRONT OF THE NOZZLE WHEN THE TRIGGER IS RELEASED
The needle does not close properly ; it is worn, replace it and the nozzle. Operate 3 or 4 times the trig-
ger and release it. If the leak goes on, remove the nozzle and clean it as well as the end of the needle.
Remount all these parts.
If the needle is worn, replace both the needle and the nozzle :
- Remove the air cap and soak it in solvent.
- Unscrew the nozzle.
- Remove the needle-stop and the spring.
- Remove the needle by the rear.
- Remount the nozzle. Tighten it securely with a wrench.
- Remount the needle, spring and needle-stop.
- Repeat the tightness adjustment process.
- Remount the air cap and tighten the ring carefully.