Specifications
GOLDCUP CONTROLS SERIES 600
2.0 gpm (7.6 l/m)
Minimum leakage with control on center:
1.0 gpm (3.8 l/m)
Maximum leakage with control off center:
35 cu. in/min or .15 gpm (574 cm3/min. or 0.57 l/m)
9. Unload and stroke pump. Control should operate smoothly. Brake pressure should
drop to case pressure each time control is on center, and it should indicate servo pres-
sure as soon as input shaft is rotated on stroke.
10. Release control signal when pump is off center. Pump should return to center.
Repeat several times at different pressures from 200 to 5000 psi (13.8 to 345 bar)
11. Remove needle valve from bypass exhaust port and install exhaust line.
64
FIGURE 6C
HYDRAULIC STROKER
WITH BRAKE AND BYPASS VALVE,
ADJUSTABLE STOPS