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18 333309E
7. When you have a large enough sample, move both
hoses back into the waste containers, at exactly the
same time. Then shut off the air to all the pumps.
8. Compare part A volume to part B volume. If the ratio
is not correct, refer to the Troubleshooting Chart
on page 31 for further information on how to correct
the ratio.
9. Connect the fluid hoses back to the mix manifold
inlet.
Flush the Pump Before First Use
The pump is tested with lightweight oil, which is left in to
protect the pump parts. To avoid contaminating your
fluid with oil, flush the equipment with a compatible sol-
vent before using. See Flush the Pump on page 29.
Wet Cup
Check the wet cup (T) daily before starting the pump.
1. To access the wet cups (T) remove the pinch guard
(Q) using a Phillips head screwdriver.
2. Fill the wet cup (T) one-half full with Graco Throat
Seal Liquid (TSL) or compatible solvent. ISO oil may
be used on the “B” side of the proportioner.
3. Re-install the pinch guard (Q) and screw using a
Phillips head screwdriver.
NOTICE
Be sure to connect the hoses back to the same valves
they had originally been connected to. The mix mani-
fold could be damaged by reversing them. See F
IG. 5.
FIG. 5 Checking Mix Ratio
MOVE HOSES AT THE SAME TIME
Fluid
Supply
Hoses
FIG. 6. Wet Cup
T
T
Q
Q