Start Up - Air Assist
28 3A6748B
Start Up - Air Assist
Perform the start up procedure each time the
sprayer is started for the first time after it has
been cleaned or stored.
1. Perform Pressure Relief Procedure,
page 19.
2. To help prevent packout, fill material
hopper with hose lubrication. See Hose
Lubrication Mixing Instructions, page
18, then follow prime instructions. Pump
all hose lube through hose back into a
bucket then continue with the material
prime.
If spraying large aggregates, use rubber inlet
ball with spring and steel outlet ball with
spring.
NOTE: If having packout issues in the pump,
remove the outlet spring and run without it.
To prime without outlet spring, remove hose
and pour water into the outlet. Place unit in
“flow mode” and turn Pressure Control Knob
clockwise until material comes out of the
pump outlet. Turn pressure control
counterclockwise until flow stops, then
connect material hose. If applicable, connect
a prime valve to the outlet, then connect
material hose. Open prime valve and slowly
turn the pressure control knob clockwise until
material comes out the prime valve.
Close prime valve and allow the hose to fill
(prime valve sold separately).
3. Fill hopper with mixed texture material.
NOTE: While priming material, allow residual
hose lube to flow into a bucket until material
starts to comes out.
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