Maintenance
3A0732U 13
Maintenance
Tighten Threaded Connections
Before each use, check all hoses for wear or damage.
Replace as necessary. Check that all threaded
connections are tight and leak-free.
Flush the Pump
Flush the pump:
• Before first use
• When changing colors or fluids
• Before repairing equipment
• Before fluid dries or settles out in a dormant pump
(check the pot life of catalyzed fluids)
• At the end of the day
• Before storing the pump.
Flush at the lowest pressure possible. 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.
1. Follow Pressure Relief Procedure, page 10.
2. Remove tip guard and spray tip from gun. Refer to
separate gun manual.
3. Place suction tube in grounded metal pail
containing cleaning fluid.
4. Set pump to lowest possible fluid pressure, and
start pump.
5. Hold a metal part of the gun firmly to a grounded
metal pail.
6. Trigger gun. Flush system until clear solvent flows
from gun.
7. Follow Pressure Relief Procedure, page 10.
8. Clean the tip guard, spray tip, and fluid filter
element separately, then reinstall them.
9. Clean inside and outside of suction tube and
suction hose.
Wet Cup
Fill wet cup one-half full with Graco Throat Seal Liquid
(TSL). Maintain TSL level daily.
Read all Warnings. Follow all Grounding
instructions. See page 8.
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