Air Gunsa AZ30 HTE, Instruction Manual

Page: 5 / 8

5
PROBLEMS AND TROUBLESHOOTING
Problem
Location Parts to check Reason Solution
Press
down Adjust Clean Replace
Air leak from head
hole
Air
valve Air valve Dirty or soiled seat X X
Air valve
seat Soiled or damaged X X
Worn out valve spring X
Valve sealing Damaged or aged X
Lacquer leaks
Nozzle Nozzle and needle Soiled or damaged -
seat wear X X
Loose needle knob X
Worn out needle spring X
Nozzle - body Insufficiently tightened X
Soiled or damaged seat X X
Needle seal Needle does not return to
closed position - seal too
tight X X
Needle does not return to
closed position - lacquer
residues on the needle X X
Needle Needle seal
needle unit Wear X X
Seal Insufficient pressing down X
Lacquer does not
flow out
Nozzle hole Needle knob Insufficient opening X
Nozzle hole Clogged X
Lacquer filter Clogged X X