Vickers Overhaul Manual Directional Controls - Eaton

1 I-3618-SRevised 11/1/86 Directional ControlsOverhaul ManualVickers Directional Controls23 Table of ContentsSectionPageI. Introduction4.. A. Purpose of Manual4.. B. General Information4.. II. Description10.. A. General10.. B. Basic Four-Way Sliding Spool Directional Valve Construction10.. C. Two Stage Directional Valve Construction10.. III. Valve Operation11.. A. General11.. B. Spool Types - Main Stage Section11.. C. Methods of Spool control , Main Stage12.. D. Main Stage Spool Position12.. E. Optional Features (Main Stage)16.

2 IV. Pilot Valve Section18.. A. Spool Type - Pilot Valve Section18.. B. Spool Positioning - Pilot Valve Section18.. C. Methods of control - Pilot Valve19.. V. Internal Valve Functions23.. A. General23.. B. Pilot Pressure23.. C. Pilot Valve Drains23.. D. Internal Check Valves23.. VI. Installation24.. A. Installation Drawings24.. B. Fluids and Seals24.. C. Piping and Tubing24.. D. Hydraulic Fluid Recommendations24.. E. Cleanliness24.. F. Overload Protection24.. , Inspection & Maintenance25.. A. Service Tools25.. B. Inspection25.

3 C. Adding Fluid to the System25.. D. Adjustments25.. E. Replacement Parts25.. F. Product Life25.. G. Troubleshooting25.. A. Unit Removal26.. B. Disassembly28.. C. Pilot Valve Removal28.. D. Main Stage Disassembly28.. E. Pilot Valve Disassembly28.. F. Cleaning34.. G. Inspection, Repair and Replacement34.. H. Assembly35.. IX. Internal Body Passages and Plug Locations37.. X. Start-up and Test38.. A. Start-Up38.. B. Test38.. 4 Section I Introduction A. Purpose Of Manual This Manual describes operational characteristics,maintenance requirements and Overhaul information forVickers DG3S4, DG4S4, DG4V, DG18V, DG19S and DF5 Sseries single stage and two stage Directional valves.

4 Theinformation contained herein pertains to the latest designseries as listed in Table General Information 1. Related Publications - Service parts informationand installation dimensions are not contained in thismanual. The parts catalogs and installation drawingslisted in Table 1 are available from your local sales orengineering Model Codes - Variations within each basic modelseries are covered in the model code. Table 2 shows acomplete breakdown of the model codes covering theseunits. Service inquiries should always include the completemodel code number as stamped on the 1.

5 Related PublicationsModel Description50 DesignDF3S4-16*ADF3S4-16*ADF3S4-16*CDF3S 4-16*CDF3S4-16*DF3S4-16*DF5S4-16*A-W(3)D F5S4-16*A-*ACDF5S4-16*A-*DCDF5S4-16*A-HD F5S4-16*DF5S4-16*B-W(3)DF5S4-16*C-W(3)DF 5S4-16*C-*ACDF5S4-16*C-*DCDF5S4-16*C-HDF 5S4-16*C-*DF5S4-16*N-W(3)DF5S4-16*N-*ACD F5S4-16*N-*DCDF5S4-16*N-HDF5S4-16*N-*XDF 5S4-16*AXDF5S4-16*CXDF5S4-16*NI-3539-SI- 3539-SI-3539-S51 DesignI-3482-S53/54 DesignI-3555-SI-3561-SI-3561-SI-3623-SI- 3622-SI-3623-SI-3623-SI-3622-SI-3623-SI- 3622-SI-3486-SI-3482-SI-3486-SI-3482-SI- 3482-SAdditional DrawingI-3499-SI-3498-SI-3499-SI-3498-SI -3499-SI-3498-SI-3501-SInstallation Drawing517100518100DF3S4-16**/DF5S4-16** /XDF5S4-16** SERIES5 Table 1.

6 Related Publications (cont d)Model Description10/11 DesignDG3S-H8-*ADG3S-H8-*CDG3S-H8-**DG3S -8-*ADG3S-8*CDG3S-8*DDG3S-8**DG3S4-04**D G3S4-06*ADG3S4-06*CDG3S4-06*DDG3S4-06*DG 3S4-10*ADG3S4-10*CDG3S4-10*DI-3437-SI-34 38-SI-3436-SI-3438-S20/21 Design40 DesignI-3443-SI-3444-SI-3444-SInstallati on DrawingI-3549-SDG3S-H8/DG3S-8/DG3S4-04** /DG3S4-06**/DG3S4-10** SERIES51 DesignI-3553-SI-3452-SI-3457-SI-3452-SI- 3455-SI-3454-SI-3456-S53/54 DesignI-3563-SI-3626-SI-3569-S5163205163 00516710516800517000 Model Description10/11 DesignDG17S4-012DG17S4-012

7 ADG17S4-01*C/NDG17S4-06A/C/NDG17S4-10A/C /NDG17S4-10A/C/NDG17/20V-3-*A*DG17/20V-3 -*C*DG17/20V-3-*N*DG17S-8-*CDG17S-8-*N50 DesignI-3546-SI-3546-SI-3546-SI-3567-SI- 3568-SI-3551-SI-3551-SI-3632-SInstallati on Drawing514500514500514500514705514705514 381514701514701DG17S/DG17S8/DG17/20V-3 SERIES53 DesignI-3564-S40 DesignI-3872-SModel Description10/11 DesignDG18S-8-*ADG18S-8-*CDG18S-8-*DG18S 2-012 NDG18S2-012 NDG18S4-01*ADG18S4-01*CDG18S4-01*CDG18S4 -01*NDG18S4-01*NDG18S4-01*NDG18S4-06*ADG 18S4-06*CDG18S4-06*DG18V3-A/B/C/F/N50 DesignI-3588-SI-3588-SI-3589-SI-3442-SIn stallation Drawing516050516650516061DG18S-8/DG18S2- **/DG18S4-**/DG18V-3 SERIES52 DesignI-3554-SI-3592-SI-3554-SI-3587-SI- 3587-SI-3587-S40 DesignI-3616-S51 DesignI-3590-SI-3590-SModel Description50 DesignDG19S4-H06**DG19S4-06*CDG19S4-06** DG19S4-10**DG19S4-04DG19S8DG19S-H8DG19SS 4-1070 DesignI-3588-SI-3537-SInstallation Drawing517905518005517906518005DG19S4 SERIES52 DesignI-3574-SI-3574-SI-3574-S6 Table 1.

8 Related Pulications (cont d)Model Description10 DesignDG4V-3-*A(P)/B(P)/CDG4V-3-*A(P)DG4 V-3-*B(P)DG4V-3-*CDG4V-3-*F(P)DG4V-3-*ND G4V-3-*NI-3529-S11 Design12 DesignI-3529-SInstallation DrawingDG4V SERIES40 Design517350(10-12 Design)517351(-40 Design)I-3629-SI-3630-SI-3630-SI-3619-SI -3631-SI-3861-SI-3862-SI-3863-SI-3864-SI -3865-SModel Description50 DesignDG4S2-012A-*ACDG4S2-012A-*DCDG4S2- 012A-HDG4S2-012C-*ACDG4S2-012N-*ACDG4S2- 012N-*DCDG4S2-012N-HDG4S2-01*A-W(3)DG4S2 -01*N-W(3)DG4S4-01*A-*ACDG4S4-01*A-*DCDG 4S4-01*A-HDG4S4-01*A-W(3)DG4S4-01*B-W(3) DG4S4-01*C-*ACDG4S4-01*C-*DCDG4S4-01*C-H DG4S4-01*C-W(3)DG4S4-01*N-*ACDG4S4-01*N- *DCDG4S4-01*N-HDG4S4-01*N-W(3)I-3478-SI- 3507-SI-3485-SI-3477-SI-3557-SI-3478-SI- 3507-SI-3485-SI-3557-SI-3558-SI-3477-SI- 3506-SI-3483-SI-3558-S51 DesignI-3471-SI-3522-SI-3472-SI-3559-SI- 3471-SI-3522-SI-3472-SI-3559-SInstallati on DrawingDG4S2/DG4S4 SERIES5174015174105174105174105174105174 0151740151740175178505180005181005180005 18100518000518100 Table 1.

9 Related Publications (cont d)Model Description10/11 DesignDG5S-H8-*A/B/C/NDG5S-8-*A/B/C/NDG5 S-8-*DDG5S4-H06*A-MDG5S4-H06*A-*ACDG5S4- H06*C-MDG5S4-H06*C-*ACDG5S4-H06*DDG5S4-H 06*N-MDG5S4-H06*N-*ACDG5S4-04*A/B/C/NDG5 S4-06*ADG5S4-06*A-MDG5S4-06*A-*ACDG5S4-0 6*A-*DCDG5S4-06*A-HDG5S4-06*CDG5S4-06*C- MDG5S4-06*C-*ACDG5S4-06*C-*DCDG5S4-06*C- HDG5S4-06*DDG5S4-06*D-*ACDG5S4-06*D-*DCD G5S4-06*D-HDG5S4-06*NDG5S4-06*N-MDG5S4-0 6*N-*AC/DCDG5S4-10*N-HDG5S4-10*ADG5S4-10 *A-MDG5S4-10*A-W(3)DG5S4-10*A-*ACDG5S4-1 0*A-*DCDG5S4-10*A-HDG5S4-10*A-*DG5S4-10* B-MDG5S4-10*B-W(3)DG5S4-10*B-*DG5S4-10*C DG5S4-10*C-MDG5S4-10*C-W(3)DG5S4-10*C-*A CDG5S4-10*C-*DCDG5S4-10*C-HDG5S4-10*C-*D G5S4-10*DDG5S4-10*D-W(3)

10 DG5S4-10*D-*ACDG5S4-10*D-*DCDG5S4-10*D-H DG5S4-10*D-*DG5S4-10*NDG5S4-10*N-MI-3439 -SI-3440-SInstallationDrawingDG5S-H8/DG5 S-8/DG5S4-H06**/DG5S4-06**/DG5S4-10**/XD G5S4-06**/XDG5S4-10** SERIES20/21 DesignI-3445-SI-3869-SI-3873-S40 DesignI-3548-S50 DesignI-3492-SI-3490-SI-3493-SI-3491-SI- 3496-SI-3494-SI-3497-SI-3495-S51 DesignI-3446-SI-3459-SI-3447-SI-3458-SI- 3460-SI-3448-SI-3461-SI-3468-SI-3502-SI- 3469-SI-3473-SI-3473-SI-3473-SI-3504-SI- 3470-SI-3474-SI-3474-SI-3449-SI-3513-SI- 3450-SI-3509-SI-3514-SI-3451-S53/54 DesignI-3621-SI-3627-SI-3624-SI-3621-SI- 3627-SI-3624-SI-3621-SI-3627-SI-3624-SI- 3628-SI-3625-SI-3621-S70 1.