Ransburg No. 2 Process Handgun Electric Motor - Manual (Page 44)

No. 2 Process Electric Motor Version - Maintenance
Ransburg
40 AH-13-01.1
General Problem Possible Cause Solution
ELECTRICAL
MECHANICAL (Cont.)
Paint Drips From
Paint Hose Con-
nection or Rear of
Applicator
Hose fittings not tight
Hose broken or worn
Fluid hose fittings are all Left Handed
threads. Insure each connection is properly
secured.
Order replacement or remove fitting, cut off
defective area and replace fitting.
Paint Leaks from
Inside Hand Grip or
trigger Mechanism
Needle packing worn Adjust packing nut or rebuild handle and
replace packing.
Paint Leaks From
Barrel and Handle
Assembly
Connections
O-ring worn or missing
Paint bushing missing
Replace O-ring
Insure paint busing is properly installed
Large Hole in the
Center of the
Pattern
Bell probe electrically dead
Spring missing in back of bell
Spring not contacting end of shaft
Ground resistor damaged or not
contacting
Spring in ground resistor missing
or not contacting
Contaminated hub leaking high
voltage to the probe
Replace.
Replace.
Clean or replace.
Replace.
Replace.
Clean or replace hub assembly.
Poor Attraction Target parts not properly grounded
to earth ground
Bell outer coating damaged
Paint too conductive
Low short circuit current
Strip workholders and ground wires of built
up paint to ensure proper earth ground or
check ground wires to parts.
Replace bell.
See “solvent Selection”.
Perform SCI tests.
Poor Atomization
(See First “Me-
chanical Trouble-
shooting”)
Perform tests: See “Electrical Testing”
Contact your Ransburg Distributor
Atomizing voltage too low
TROUBLESHOOTING GUIDE
(Cont.)