Flow Meter - Graco Reactor 2 Repair Parts

Troubleshooting

Flow Meter

Meter
Flow Flow Meter
Before performing any troubleshooting
procedures:
Problem
Problem Problem
The material ratio is
significantly offset from 1
: 1.
The ADM displays low inlet
pressure alarms, but the inlet
pressure reading appears
correct.
The material flow and ratio are
not displayed on the ADM.
The flow meter repeatedly
disables itself.
48
1. Relieve pressure.
See
2. Turn the main power switch OFF.
3. Allow equipment to cool.
Try the recommended solutions in the order
given for each problem, to avoid unnecessary
repairs.
Cause
Cause Cause
The k-factor entered in the
ADM is incorrect.
Cavitation is reducing the
pump performance.
Air is trapped in the system,
between the feed pumps and
the heated hose.
While spraying, the inlet
pressure drops below 30 psi.
The flow meter is disabled.
The inlet sensors are disabled.
Pressure Relief Procedure, page
Solution
Solution Solution
Update the k-factor. See
Replace Flow Meter, page 62
Increase the feed pump
pressure.
Install a larger feed pump.
Clean the y-strainer filter.
Install a smaller mix chamber
in the spray gun.
Condition the material
in the drums to the
ambient temperature of
the proportioner.
Re-route the feed hoses to a
lower height.
Purge air from the system.
Refer to your ratio monitor
manual for instructions.
Place the heated hose on flat
ground. Spray material into a
waste container until all air has
left the system.
Increase the feed pump
pressure.
Install a larger feed pump.
Install a smaller mix chamber
in the spray gun.
Enable the flow meter on
System Screen 1.
Enable the inlet sensors. Inlet
sensors must be enabled for
the flow meter to function.
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