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Operation/Maintenance
Shutdown and Care of the Pump
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 8.
Always flush the pump before the fluid dries on the
displacement rod. See Flushing below.
Preventive Maintenance Schedule
The operating conditions of your particular system
determine how often maintenance is required. Estab-
lish a preventive maintenance schedule by recording
when and what kind of maintenance is needed, and
then determine a regular schedule for checking your
system.
Flushing
WARNING
FIRE AND EXPLOSION HAZARD
Before flushing, read the section FIRE
AND EXPLOSION HAZARD on page
4. Be sure the entire system and flush-
ing pails are properly grounded. Refer to
Grounding on page 5.
Flush the pump:
D Before first use
D When changing colors or fluids
D Before fluid drys or settles out in a dormant pump
(check the pot life of catalyzed fluids)
D Before storing the pump.
Flush with a fluid that is compatible with the fluid you
are pumping and with the wetted parts in your system.
Check with your fluid manufacturer or supplier for
recommended flushing fluids and flushing frequency.
Always flush the pump before fluid dries on the dis-
placement rod.
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 8.
1. Relieve the pressure.
2. Remove spray tip from gun.
3. Place suction hose in a container of solvent.
4. Hold metal part of gun firmly to side of grounded
metal pail.
5. Start pump. Always use lowest possible fluid
pressure when flushing.
6. Trigger gun.
7. Flush system until clear solvent flows from gun.
8. Stop pump with displacement rod at bottom of its
stroke.
9. Relieve the pressure.
10. Clean tip guard, spray tip, and fluid filter element
separately, then reinstall them.
11. Clean inside and outside of suction hose.