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Troubleshooting
309550U 25
Theory of Operation
Gun Triggered (Fluid Spraying)
Mix chamber (19) moves back, shutting off purge air
flow. Impingement ports (IP) align with fluid ports of side
seals (18c), allowing fluid to flow through mix chamber
nozzle (N).
See page 13 to adjust cleanoff air valve (K).
Gun Detriggered (Air Purging)
Mix chamber (19) moves forward, shutting off fluid flow.
Impingement ports (IP) open to air chamber (AC), allow-
ing purge air to flow through mix chamber nozzle (N).
See page 14 for use of grease fitting (G).
TI3545a
19 18c
IP
NK
TI3547a
KEY
Purge Air
Fluid
Cleanoff Air
Grease
Flow paths are not shown to scale, for clarity.
TI3546a
19
AC
IP
N
G
TI3547a
KEY
Purge Air
Fluid
Cleanoff Air
Grease
Flow paths are not shown to scale, for clarity.