Specifications

GOLDCUP CONTROLS SERIES 200
TEST
8. Install the servo shaft assembly in the control cover (11), engaging the pins in the
slots, with the arm centered between the spring pins.
9. Install retaining ring (4) into the groove of the servo shaft extending through the
control cover.
10. Install spools (18) into the bores in the body adjacent to the trimmer screw. Note
that reduced down diameters must be to the outside, and spools must freely slip into
the bores.
11. Install springs (20). Install O-rings (21) over plugs (22) and install plugs.
12. Install spools (27) in the remaining bores. Note that reduced down diameters
must be to the outside, and spools must freely slip into the bores.
13. Install O-rings (21) on plugs (29). Install plugs in body.
14. Install adjusting screws (2), nuts (3) O-rings (30), plugs (34) and O-rings (33) into
plugs (29).
15. Place two spring washers (24), nested with the bent sections matching each other,
into the large hole in the servo link,
16. Place washer (11) against the spring washers.
17. Install O-ring into groove in the remaining shear seal (25). Note: This shear seal
does not contain the two .094” (2.4 mm) radius scallops in the face. Place on top of
washer (32). Position shear seal to match the lip on the servo link.
18. Install control over dowels, with gasket, (26), washers (6) and screws (17). Torque
to 30 lbs-ft. (40.8 Nm).
1. Connect lever to input shaft. With unit running, manually stroke the shaft. Do not
exceed 100 lbs-in. (11.3 Nm) torque on shaft. Pump shall follow the motion of the
input shaft.
Input shaft and cam shall return to center when the lever is released.
2. Set the maximum stop screws for full displacement.
3. Remove plug from trimmer adjustment. Loosen locknut and adjust center position
with a screwdriver. Lock on zero stroke position. Stroke pump and release handle,
both sides of center. Pump shall return to zero consistently.
4. Apply 300 to 600 psi (20.5 to 41 bar) servo supply to one control port . The remain-
ing control port shall be connected to tank. Control shaft shall rotate and pump shall
follow stroke of input shaft.
5. Drop signal pressure to minimum. Control shall return to center.
6. Repeat procedure with signal applied to the other control port.
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