Setup
333586E
35
Wet Cup
Before starting, fill the Wet Cup (AN) 1/3 full with Graco
Throat Seal Liquid (TSL) or a compatible solvent.
Torque the Wet Cup
The Wet Cup (AN) is torqued at the factory; however,
throat packing seals on Severe Duty pumps may relax
over time. Check Wet Cup torque frequently after initial
start-up and periodically after the first week of produc-
tion. Maintaining proper Wet Cup torque is important to
extending seal life.
NOTE:
MaxLife pumps use a special u-cup throat seal
that is non-adjustable and does not require periodic
torquing.
1. Follow the
2. Torque the Wet Cup (AN) 95-115 ft-lbs (128-155
N•m) using the packing nut wrench (supplied)
whenever necessary. Do not overtighten the Wet
Cup.
F
IG
. 34: Wet Cup
AN
Summary of Contents for 333586E
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