Theory Of Operation - Graco Fusion CS20F1 Instructions - Parts Manual

Theory of Operation

Theory of Operation
Gun Triggered (Fluid Spraying)
Mix chamber (14) moves back, shutting off
purge air flow. Impingement ports (IP) align
with fluid ports of side seals (42, 43), allowing
fluid to flow through mix chamber nozzle (N).
Flow paths are not shown to scale, for
clarity.
CSL is dosed into purge air.
AC N
34
IP
14
TI12123a_1
Gun Detriggered (Air Purging)
Mix chamber (14) moves forward, shutting off
fluid flow. Impingement ports (IP) open to air
chamber (AC), allowing purge air to flow
through mix chamber nozzle (N).
See Shutdown (page 16) for use of grease fit-
ting (G).
Flow paths are not shown to scale, for
clarity.
CSL is dosed into purge air.
N
IP
AC
AC
14
TI12124a
312666P