Graco SaniForce SDU Series Instructions - Parts Manual page 11

Ram packages
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Integrated Air Controls
See F
. 2. Air inlet size is 3/4 npt(f) on the Exposed Air
IG
Controls. The integrated air controls include:
Main air valve (BA): turns air on and off to the
system. When closed, the valve relieves pressure
downstream.
Ram air regulator (BB): controls ram up and down
pressure.
Ram director switch/valve (BC): controls ram
direction.
Exhaust port with muffler (BD)
Air motor regulator (BE): Controls air pressure to
motor.
3A0591ZAG
Air motor switch/slider valve (BF): turns air on
and off to the air motor. When closed, the valve
relieves air trapped between it and the air motor.
Air assist valve (BG): turns air on and off to push
the ram plate out of an empty drum. Uses line air.
Inflatable seal air regulator (BH): controls air
pressure to the inflatable seal.
Inflatable seal switch (BJ): controls the inflation
and deflation of the ram plate seal.
Air relief valve (BK): automatically relieves
excessive pressure.
Seal bleed off valve (BL): bleeds air from inflatable
seal as needed for drum tapering. For Exposed Air
Control Modules, See F
Installation
. 2.
IG
11

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