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Setup
Supply Wet Cup
s With Throat Seal
Liquid (TSL)
Pump rod and connecting rod move during
operation. Moving parts can cause serious injury
such as pinching or amputation. Keep hands and
fingers away from wet-cup during operation.
To prevent the pump from moving, turn the main
power switch OFF.
• Component A (ISO) Pump: Keep reservoir (R) filled
with Graco Throat Seal Liquid (TSL), Part 206995.
Wet-cup piston circulates TSL through wet-cup, to
carry away isocyanate film on displacement rod.
R
Component A Pump
Figure 34
• Component B (Resin) Pump: Check felt washers
in packing nut/wet-cup (S) daily. Keep saturated
with Graco Throat Seal Liquid (TSL), Part No.
206995, to prevent material from hardening on
displacement rod. Replace felt washers when worn
or contaminated with hardened material.
S
Component B Pump
Figure 35
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2
3A1705J