Outside pump control set screw is factory set and non-adjustable at any level of
Adjustment of outside pump control set screw could result in damage to truck hydraulic
system and components. Adjust inside pump control set screw only.
Loosen nut (8) on inside pump control set screw (9).
Turning inside pump control set screw to the right will increase pump output pressure and
turning to the left will decrease pump output pressure. Each full turn will change the output
pressure about 330 psi (2,275 kPa).
Hold nut (8) and turn set screw (9) to adjust main hydraulic pump (10) output pressure to 3,675 psi +75
50 psi (25,339 kPa +517, 345 kPa).
Tighten nut (8) on set screw (9).
Start engine (TM 9-2320-364-10).
Verify pressure and make necessary adjustments. Refer to Steps (15) through (19).
Shut OFF engine (TM 9-2320-364-10).