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11. Fill the pump throat packing nut/wet
cup (K).
Keep the pump throat packing nut/wet cup (K)
filled with Graco throat seal liquid (TSL) to help
prevent fluid from drying on the displacement rod
and damaging the pump packings. See Fig. 11.
Refer to the procedure to fill the wet-cup on page
77.
Verify compatibility of the TSL with the fluids being
used in the pumps. During operation, very small
amounts of the TSL are dragged past the seals
and into the pump.
KEY
K
Pump Throat Packing Nut/W et Cup
Fig. 11
12. Fill the air lubricator (20–Fig. 1, page
8) with Graco motor oil, part no.
202659. Refer to Manual 308169.
Installation
K
04373
13. Place the solvent pump siphon hose
(610) into the solvent container.
KEY
610 Solvent Pump Siphon Hose
Fig. 12
610
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