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Summary of Contents for Eaton Vickers FCGT-02-A-11 Series
- Page 1 ® Vickers Overhaul Manual Flow Controls Remote Flow Control Valves FCGT-02-A/B-***-11-(S30) ® Reprinted 6/1/96 I-3419-S...
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Page 2: Table Of Contents
Table of Contents Section Page Introduction ..................A. -
Page 3: Introduction
Section I – Introduction A. Purpose Of Manual 2. Model Codes – Variations within each basic model series are covered in the model code. Table 2 is a complete This manual describes the basic operational characteristics breakdown of the model codes covering these units. Service and provides service, overhaul and parts information for the inquiries should always include the complete unit model Vickers FCGT–02 Electrically Modulated Flow Control. -
Page 4: Description
Section II – Description A. General Torque Hydrostat Motor Assembly of a typical FCGT flow control is shown in Figure Check 1. In general, the flow control consists of an electrical torque Valve motor coupled to a metering spool. The metering spool and a compensated hydrostat stabilizes flow in the forward direction. -
Page 5: Installation And Operating Instructions
The total pressure drop across the valves two series orifices If the work load were to decrease, (output PSI lower), a “A” and “B” must equal 1000 PSI, (the difference between similar set of events will begin, except in the opposite inlet and outlet pressures). -
Page 6: Service And Maintenance
Section V – Service and Maintenance A. Inspection C. Adjustments Periodic inspection of the fluid condition and tube or piping See Test Procedure – Section VII. connections can save time-consuming breakdowns and un- necessary parts replacement. The following should be D. -
Page 7: Overhaul
Section VI – Overhaul A. General 2. Remove and discard “O” rings (1) and (2). 3. Remove four screws (3) from the electrical connector (4) and allow the connector to hang down on its wires. CAUTION 4. Symbolize each wire with a piece of tape to allow reassembly to the same pin of the connector. - Page 8 Included in 920211 seal kit. Figure 3. Exploded View –S30 Equivalent seal kit 920235 Source Description code FCGT–02–A–004–11–(S30) NOTE FCGT–02–A–028–11–(S30) When Usable On Code is blank, the part is FCGT–02–A–220–11–(S30) used on all models tabulated in source code. FCGT–02–A–530–11–(S30) When Usable On Codes are listed, use with FCGT–02–B–004–11–(S30) indicated models only.
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Page 9: Assembly
3. Inspect metering spool (12) and hydrostat (20) for F. Assembly excessive wear, galling, erosion, and burrs. Remove burrs Replace the gaskets and “O” rings removed from the unit with an India stone. If either of the spools are defective, with those supplied in the seal kit. - Page 10 Color Code Versus Coil resistance, Series Parallel Differential Torque Motor Coil Connector Pin ohms/wire code aiding Location Location Coded 40 / Yellow 150 ma 300 ma Coil “A” 280 / White 50 ma 100 ma 100 ma Coil “B” 2200 / Blue 20 ma 40 ma 40 ma...
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Page 11: Test Procedure
Section VII – Test Procedure A. Test Conditions 2. Refer to sample test circuit Figure 6 during the follow- ing steps: Hydraulic a. Close globe valves (6) and (15). Fluid Medium: Oil viscosity grades: 150–315 SUS b. Open globe valves (1) and (12). (Vent to facilitate (32–68 cSt) @100_ F (38_C) priming and load relief valve (11). - Page 12 0-500mA Meter Gage 0–3500 117 VAC 60 Power Source Gage 0–3000 Vent System Relief Pump Valve Beaker Globe valve 8. Ammeter (0–500 mA) 12. Globe valve Test stand relief valve 9. Power supply Vickers 631995 or 13. Flow meter Inlet filter equivalent.
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