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Setup
312376L 11
Setup
Wet Cup
Before starting, fill the wet cup (R) 1/3 full with Graco
Throat Seal Liquid (TSL) or compatible solvent.
Torque Wet Cup
The wet cup 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.
To torque the wet cup, use the following steps.
1. Follow Pressure Relief Procedure on page 12.
2. Use the packing nut wrench (supplied) to torque the
wet cup; see the following table for torque values.
Do this whenever necessary. Do not overtighten the
wet cup.
The enclosed wet cup has a fill port in the cover.
MaxLife pumps use a special u-cup throat seal that
is non-adjustable and does not require periodic
torquing.
Displacement Pump Torque
100cc, 60cc 28-44 ft-lbs (38-59 N•m)
200c, 250cc, 500cc 95-115 ft-lbs (128-155 N•m)
F
IG. 5
R
ti10514a