Air Flow Sensor Replacement - Graco RTX 1500 Repair And Parts Manual

Air Flow Sensor Replacement

Air Flow Sensor Replacement
For 120 V sprayer use Sensor Replacement Kit 287326.
For 230 V sprayer use Sensor Replacement Kit 287345.
If you are just replacing the sensor, you do not
have to remove the motor first.
Disassembly
First read and follow instructions in the Before perform-
ing any service on sprayer section, page 9.
Then remove hopper, front and back covers, page 9.
Remove hose extension and RotoFlex HD Pump
assembly from frame, page 11.
1. Disconnect all
wire connec-
tions.
26
ti4481a
WHITE WIRE
2. Rotate counter-clockwise
to remove sensor from
manifold.
Reassembly
1. Rotate new sensor
from kit clockwise, all
the way into opening in
Relief Valve housing.
Lightly tighten nut.
2. Reconnect all wires.
3. Replace RotoFlex HD
Pump and hose
extension, page 12.
4. Replace back and
front covers and hop-
per. See Removing
and Replacing Hop-
ti4482a
per, Front and Back
Cover, page 9.
ti4480a
ti4486a
ti4487a
ti4488a
WHITE WIRE
310645L