Wet Out The System - Graco ToughTek M680a Operation - Repair - Parts

Cs mortar sprayer
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Wet Out the System

To prevent material curing in the system, never load
material into a dry system. Loading material into a dry
system will cause the material to stick to internal com-
ponents and cure, causing damage and requiring
replacement of those parts.
Always wet out the system by circulating water through
the applicator back into the hopper before loading any
mixed mortar. Resin or commercially available concrete
pump priming fluids can be used depending on what
material is being sprayed.
Use the material flushing agent recommended on
the material application data sheet.
When finished, pump out the excess fluid. Then
drain out remaining fluid by loosening the bottom
cam fitting.
1. Close the bleed type master air valve (B).
F
. 15
IG
2. Remove tip from applicator.
3A5275B
NOTICE
B
A
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3. Partially fill the clean hopper with material flushing
agent, depending on the material you will be
spraying.
4. Turn air regulator adjustment knob (F)
counterclockwise until it stops and gauge (E) reads
zero.
E
F
F
. 16
IG
5. Verify pressure relief ball valve (J) is closed.
6. Place applicator outlet in grounded pail.
7. Open the air motor pilot ball valve (G) located on the
base of applicator.
F
. 17
IG
Operation
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13

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