Ransburg 19372, Service Manual

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AH-95-02.4
4 1 4 1
4 1 4 1 4 1
General Problem General Problem
General Problem General Problem General Problem
Possible Cause Possible Cause
Possible Cause Possible Cause Possible Cause
Solution Solution
Solution Solution Solution
MECHANICAL MECHANICAL
MECHANICAL MECHANICAL
MECHANICAL
Poor Attraction Poor Attraction Poor Attraction Poor Attraction Poor Attraction
(See also "Poor Atomiza-
tion" under "Electrical
Troubleshooting") 1. Parts not properly grounded
2. Improper technique
3. Excessive flow rate
4. Paint too conductive
5. Excessive air flow around gun
6. Product is nonconductive
1. Strip workholders and ground wires of
built-up paint.
2. Refer to "No. 2 Handgun Spray Tech-
niques" (IL-211) or see the "Operations"
section.
3. Reduce fluid volume to gun or use a
larger bell.
4. See "Solvent Selection" (TL-00-02) (1.0
to 0.1 megohm).
5. Reduce air flow to below 60 ft/minute. If
spraying outside, wait until winds have
reduced in velocity.
6. Contact your Ransburg distributor.
Paint Wraps Back Paint Wraps Back
Paint Wraps Back Paint Wraps Back
Paint Wraps Back
Onto Operator
Onto Operator Onto Operator Onto Operator Onto Operator
Figure 13: Troubleshooting Guide (Continued) Figure 13: Troubleshooting Guide (Continued) Figure 13: Troubleshooting Guide (Continued) Figure 13: Troubleshooting Guide (Continued) Figure 13: Troubleshooting Guide (Continued)
1. Improper gun technique
2. Gun is too far from target
3. Improper paint mix (too conductive)
4. Parts not properly grounded
5. Improper exhaust or windy condi-
tions
1. The bell must be closer to the parts than
to operator.
2. Hold gun 4 to 7 inches from target.
3. See "Solvent Selection" (TL-00-02).
4. Strip workholders, ground wires, etc.
5. Check and adjust. Excessive wind
overrides electrostatic.
Paint Drips Off Bell Paint Drips Off Bell Paint Drips Off Bell Paint Drips Off Bell Paint Drips Off Bell
Rim When Gun Is
Rim When Gun Is
Rim When Gun Is Rim When Gun Is Rim When Gun Is
Operating
Operating Operating Operating Operating
1. Feed tube incorrectly positioned
2. Feed tube defective
3. Paint delivery too high
4. Bell rotation too slow
5. Delivery too low. Paint runs back
on feed tube when gun is in an
"elevated up" position.
1. Position correctly (see Figure 4).
2. Replace.
3. Reduce.
4. Check seal. If OK, contact your
Ransburg distributor.
5. Increase delivery. Reposition feed tube.
Paint Drips from Bell Paint Drips from Bell Paint Drips from Bell Paint Drips from Bell Paint Drips from Bell
Rim After Trigger is
Rim After Trigger is
Rim After Trigger is Rim After Trigger is Rim After Trigger is
Released
Released Released Released Released
1. Trigger locknuts positioned wrong
2. Needle seat dislocated or needle
and/or seat worn
3. Dirt in needle mechanism
1. Readjust.
2. Reseat or replace.
3. Follow "Color Change" procedures in the
"Operation" section or rebuild if needed.