General Pump SH - Manual (Page 13)

GENERAL PUMP
A member of the Interpump Group
SH SERIES
Each pressure packing set component should fit tight in
the cylinders. A pin of adequate dimension (1, Fig. 27)
helps in guiding each component straight and aligned all
the way down the cylinder.
Page 13
Fit each new component of the pressure packing set in
the cylinder making sure of the correct order as shown
in Fig 26:
1. Packing bushing
2. Packing ring
3. Back packing
4. Pressure Packings
5. Pressure packing retaining bushing
The new rear seal should be mounted with the larger
diameter side first in, as shown in Fig. 28.
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: 397.8 ft. lbs.
-Valve cover screws: 144.6 ft. lbs.