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Replacement or repair of parts should be done according to the following procedures. Before
starting the work, be sure to shut off compressed air to the gun, switch off power to control unit,
relieve paint pressure from the fluid passages in the system and clean all paint passages.
(Numbers in the text indicate reference No. in the parts list and exploded drawing and parts No.)
1. Replacement of paint seat (*Paint seat and needle should be replaced together.)
(1) Remove paint seat 33 (6004 0330 48) at front end of gun barrel. Its removal and
replacement should be done with the trigger pulled.
(2) If the O-ring 40 (0669 9304 10) is damaged or swollen, replace it. If the valve seat ring 34
(6004 0330 49) is damaged, replace it.
To assemble the valve seat ring to the gun body, first replace the material seat 33 (6004 0330
48) to the barrel and install the valve seat ring, then tighten by screwing in the nozzle.
13
Parts replacement and adjustment
