Park Fluid Pump Rods; Shutdown Entire System - Graco XM Series Operation

Park Fluid Pump Rods

Park Fluid Pump Rods
NOTICE
If fluid is allowed to dry on the exposed
displacement rod, damage to the throat packings
may occur. To prevent damage, always stop the
feed pump at the bottom of the stroke.
1. Relieve pressure. Follow Pressure Relief
Procedure, page 43.
2. Press .
3. Turn recirculation valves (AC, AD) counter
clockwise to open them. Each pump will run through
recirculation until they reach the bottom stroke, and
then stop.
AC
4. When each blue pump LED turns off, close the
corresponding circulation valve.
AC
5. Shut off main pump air valve (CA) and air supply to
entire system.
CA
CB
50

Shutdown Entire System

Follow this procedure prior to servicing equipment or
shutdown.
1. Follow Flush Mixed Manifold, Hose, and Spray
Gun, page 44.
2. Engage trigger lock, turn off air regulator, and close
main air shutoff valve. Remove spray tip.
3. If the unit will be shut down for more than 24 hours:
AD
- Follow Park Fluid Pump Rods on page 50.
- Cap fluid outlets to keep solvent in the lines.
- Fill pump A and B packing nuts with throat seal
liquid (TSL).
4. If the unit will be shut down for more than one week,
follow Empty and Flush Entire System (new
sprayer or end of job) on page 48.
AD
312359R