General Pump VS - Manual (Page 13)

GENERAL PUMP
A member of the Interpump Group
VS SERIES
Each pressure packing set component should fit tight in
the cylinders. A pin of adequate dimension (1, Fig. 28)
helps in guiding each component straight and aligned all
the way down the cylinder.
Page 13
Reassemble packing support and cylinder, Screws 1,
Fig 26 should be tightened with a torque wrench set for
4 lbs. Fit each new component of the pressure packing
set in the cylinder making sure of the correct order as
shown in Fig. 26 and Fig. 27:
2. Packing bushing
3. Packing ring
4. Back packing
5. Pressure Packings
6. Pressure packing retaining bushing
Reassemble the pump by following the
disassembling steps in the opposite sequence
and use a torque wrench for the screws listed
below:
-Plunger screws: 72.3 ft. lbs.
-Head screws: 339.9 ft. lbs.
-Valve cover screws: 133.8 ft. lbs.
Insert a pin of adequate dimensions and smartly tap until
the complete pressure packing set is out (Fig. 25).
Replace pressure packing set at every inspection.
The new rear seal should be mounted with the larger
diameter side first in, as shown in Fig. 29.
Ref 300509 Rev.C
03-12