General Pump LH - Manual (Page 14)

GENERAL PUMP
A member of the Interpump Group
LH SERIES
Page 14
Set up the complete package without tightening the
packing support (1, Fig. 24) but making sure that the
pressure packings snap in place.
For the correct load of the pressure packings proceed
as follows:
- Fit the plunger in the pumping unit (1, Fig. 25)
- Mark the position of any one of the 8 holes of the
packing support referring at the cylinder (see arrows
(Fig. 25).
- Tighten the packing support 1/8 of a complete turn
(45 degrees) or of the distance of one hole (see
arrows Fig. 26).
Fit the pumping units back in the pump crankcase
(1, Fig. 26).
Tighten the plunger screws with a torque
wrench set for 72 ft. lbs. Mount the head
back in place and tighten the eight head
screws with a torque wrench set for 260 ft.
lbs.