Ransburg No. 2 Process Handgun Electric Motor - Manual (Page 43)

No. 2 Process Electric Motor Version - Maintenance
Ransburg
39 AH-13-01.1
TROUBLESHOOTING GUIDE
(Cont.)
General Problem Possible Cause Solution
MECHANICAL (Cont.)
Poor Attraction Parts not properly grounded to true
earth ground
Improper technique
Excessive flow rate
Paint too conductive
Excessive air flow around applicator
Product is not conductive
Strip workholders and ground wires of built
up paint.
Refer to “No. 2 Handgun Spray Tech-
niques” or see the “Operations” section.
Reduce the fluid volume to the applicator
or use a larger bell.
See “Solvent Section” (1.0 to .1 megohm
paint resistance range)
Reduce the air flow to below 18 m/min.
If spraying outside, wait until winds have
reduced in velocity.
Contact your Ransburg distributor
Paint Wraps Back
Onto Operator
Improper applicator technique
Applicator is too far away from target
Improper paint mix (too conductive)
Parts not properly grounded
Improper exhaust or windy conditions
The bell must be closer to the target than
the operator.
Hold applicator 10 to 18 cm from the target
See “Solvent Selection”
Strip workholders and ground wires of built
up paint.
Check and adjust. Excessive winds over-
rides electrostatic attraction.
Paint Drips Off
Bell Rim When
Applicator is
Operating
Feed tube improperly positioned
Feed tube defective
Paint delivery too high
Bell rotation too slow
Delivery too low. Paint runs back on
feed tube when applicator is in an
“elevated up” position
Position correctly see figure 10-3.
Replace.
Reduce.
Check seal. Increase air pressure to air
motor. If OK, contact your Ransburg Dis-
tributor.
Increase delivery. Re-position feed tube.
Paint Drips From
Rim After Trigger
is Released
Trigger lock nuts positioned improperly
Needle seat dislocated or needle
and/or seat worn
Dirt in needle mechanism
Re-adjust.
Reseat or replace.
Follow “Color Change “ procedures in the
“Operation” section or rebuild if required.