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Eaton DG17/20V-3 Series, Руководство по капитальному ремонту

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Table 1. Related Publications (cont’d)

Model Description

10/11 Design

DG3S-H8-*A
DG3S-H8-*C
DG3S-H8-**
DG3S-8-*A
DG3S-8*C
DG3S-8*D
DG3S-8**
DG3S4-04**
DG3S4-06*A
DG3S4-06*C
DG3S4-06*D
DG3S4-06*
DG3S4-10*A
DG3S4-10*C
DG3S4-10*D

I-3437-S
I-3438-S
I-3436-S
I-3438-S

20/21 Design

40 Design

I-3443-S
I-3444-S
I-3444-S

Installation Drawing

I-3549-S

DG3S-H8/DG3S-8/DG3S4-04**/DG3S4-06**/DG3S4-10**  SERIES

51 Design

I-3553-S
I-3452-S
I-3457-S
I-3452-S
I-3455-S
I-3454-S
I-3456-S

53/54 Design

I-3563-S
I-3626-S
I-3569-S

516320

516300

516710

516800

517000

Model Description

10/11 Design

DG17S4-012
DG17S4-012A
DG17S4-01*C/N
DG17S4-06A/C/N
DG17S4-10A/C/N
DG17S4-10A/C/N
DG17/20V-3-*A*
DG17/20V-3-*C*
DG17/20V-3-*N*
DG17S-8-*C
DG17S-8-*N

50 Design

I-3546-S
I-3546-S
I-3546-S
I-3567-S
I-3568-S

I-3551-S
I-3551-S
I-3632-S

Installation Drawing

514500
514500
514500
514705
514705

514381

514701
514701

DG17S/DG17S8/DG17/20V-3 SERIES

53 Design

I-3564-S

40 Design

I-3872-S

Model Description

10/11 Design

DG18S-8-*A
DG18S-8-*C
DG18S-8-*
DG18S2-012N
DG18S2-012N
DG18S4-01*A
DG18S4-01*C
DG18S4-01*C
DG18S4-01*N
DG18S4-01*N
DG18S4-01*N
DG18S4-06*A
DG18S4-06*C
DG18S4-06*
DG18V3-A/B/C/F/N

50 Design

I-3588-S
I-3588-S

I-3589-S

I-3442-S

Installation Drawing

516050

516650

516061

DG18S-8/DG18S2-**/DG18S4-**/DG18V-3  SERIES

52 Design

I-3554-S

I-3592-S

I-3554-S
I-3587-S
I-3587-S
I-3587-S

40 Design

I-3616-S

51 Design

I-3590-S

I-3590-S

Model Description

50 Design

DG19S4-H06**
DG19S4-06*C
DG19S4-06**
DG19S4-10**
DG19S4-04
DG19S8
DG19S-H8
DG19SS4-10

70 Design

I-3588-S

I-3537-S

Installation Drawing

517905

518005

517906

518005

DG19S4 SERIES

52 Design

I-3574-S

I-3574-S
I-3574-S

Содержание DG17/20V-3 Series

Страница 1: ...I 3618 S Revised 11 1 86 Directional Controls Overhaul Manual Vickers Directional Controls...

Страница 2: ...2...

Страница 3: ...nternal Valve Functions 23 A General 23 B Pilot Pressure 23 C Pilot Valve Drains 23 D Internal Check Valves 23 VI Installation 24 A Installation Drawings 24 B Fluids and Seals 24 C Piping and Tubing 2...

Страница 4: ...2 shows a complete breakdown of the model codes covering these units Service inquiries should always include the complete model code number as stamped on the nameplate Table 1 Related Publications Mo...

Страница 5: ...Design I 3546 S I 3546 S I 3546 S I 3567 S I 3568 S I 3551 S I 3551 S I 3632 S Installation Drawing 514500 514500 514500 514705 514705 514381 514701 514701 DG17S DG17S8 DG17 20V 3 SERIES 53 Design I 3...

Страница 6: ...S2 012A DC DG4S2 012A H DG4S2 012C AC DG4S2 012N AC DG4S2 012N DC DG4S2 012N H DG4S2 01 A W 3 DG4S2 01 N W 3 DG4S4 01 A AC DG4S4 01 A DC DG4S4 01 A H DG4S4 01 A W 3 DG4S4 01 B W 3 DG4S4 01 C AC DG4S4...

Страница 7: ...0 D W 3 DG5S4 10 D AC DG5S4 10 D DC DG5S4 10 D H DG5S4 10 D DG5S4 10 N DG5S4 10 N M I 3439 S I 3440 S Installation Drawing DG5S H8 DG5S 8 DG5S4 H06 DG5S4 06 DG5S4 10 XDG5S4 06 XDG5S4 10 SERIES 20 21 D...

Страница 8: ...C XDG5S4 10 D XDG5S4 10 N DG5S H8 DG5S 8 DG5S4 H06 DG5S4 06 DG5S4 10 XDG5S4 06 XDG5S4 10 SERIES Model Description 10 11 Design Installation Drawing 20 21 Design 40 Design 50 Design 51 Design 53 54 De...

Страница 9: ...4 Four way omit for DG5S 8 DG5S H8 models 14 Pilot Pressure Range pressure centered D models only A 200 1000 psi B 1000 2000 psi omit 2000 3000 psi 15 Valve Type A Spring offset one solenoid B Spring...

Страница 10: ...valves are pilot pressure operated A two stage valve is constructed by combining a pilot valve and a larger main stage valve into one assembly The pilot valve usually a DG4S4 01 DG4V 3 or DG18V 3 is...

Страница 11: ...ion b Type 1 spool is designed with ports P A and T interconnected Port B is blocked in center position c Type 9 spool is similar to type 0 spool except all ports are partially open in center position...

Страница 12: ...considerable force to move the spool when it is under pressure For this reason the two inch valve size is not available with a manual lever control Examples of valves with the manual lever control are...

Страница 13: ...can be obtained a type B and a type C If one solenoid is used on a spring centered pilot valve the model code is identified with the letter B When two solenoids are used the model code is identified w...

Страница 14: ...left end of the spool Since the spool land area at the right side is greater than the piston area the spool will be forced to the left until the piston shoulder butts against the sleeve center positi...

Страница 15: ...pressure enters piston area causing the main stage spool to shift to the right Main stage flow from P B and A T is obtained A Sleeve Tank Detent Figure 8 Detented N Model Main Stage 1 Solenoid A is e...

Страница 16: ...ilot choke details 3 Fast Response Option Some applications require the main stage spool to shift at a faster than normal rate For such applications the fast response option is used This option requir...

Страница 17: ...ure 10a Pilot Choke DGFN 01 20 Use with DG4S4 01 Series DGMFN 3 21 5 6 7 8 11 3 2 1 10 4 9 Part No Part Name Qty 1 Retaining Ring 2 2 Plug 2 3 O Ring 2 4 Spring 2 5 Check Valve 2 6 Stop 2 7 O Ring 2 8...

Страница 18: ...most cases a number 6 type pilot spool is used When a type 4 or 8 main stage spool is used the number 6 pilot spool is identified as number 68 This spool com bination requires the pilot valve to be as...

Страница 19: ...itioning of the pilot valve spool within the body In some valves a roller is used instead of a lever to actuate the pilot spool 2 Remote Pilot Pilot valves such as a DG3V 3 40 are available for use wi...

Страница 20: ...Air gap solenoids are isolated from system fluid and can be removed and replaced without disturbing the system A push pin and sliding seal arrangement couple the solenoid to the valve spool see Figur...

Страница 21: ...ngements The monitor switch is a single pole double throw contact arrangement with A normally closed and B normally open Switch ratings are noted on installation drawing Table 1 The monitor switch hou...

Страница 22: ...Pin Terminal Box Body End Cover A B or F Models Manual Override Plunger Wet Armature Solenoid Pilot Spool Solenoid Coil Core Tube C Models Solenoid A Missing Figure 13b DG4S4 W 50 Pilot Valve Sectiona...

Страница 23: ...pilot pressure vs tank pressure Refer to the unit installation drawing for minimum pressure ratings Internal pilot drain models have the letter T stamped on the unit nameplate i e DG5S4 062 t 51 NOTE...

Страница 24: ...1 S for pickling instructions 2 To minimize flow resistance and the possibility of external leakage use only the necessary fittings and con nections required for proper installation 3 The number of be...

Страница 25: ...s are required other than normal system maintenance E Replacement Parts Reliable operation throughout the specified operating range is assured only if genuine Vickers parts are used Sophisti cated des...

Страница 26: ...slotted screws and unplug the electrical wiring from the pilot section b If the valve has an air operated pilot section turn off air supply and disconnect the pressure lines from the connection plate...

Страница 27: ...2 Screw 4 13 Cover 1 14 O Ring 1 15 Spring 1 16 Washer 1 17 Spool 1 18 O Ring 3 19 O Ring 2 20 O Ring 1 21 Seat 1 22 Poppet 1 23 Spring 1 24 Sleeve 1 25 Rest Pin 2 26 48 Plug 13 Consecutive even s 27...

Страница 28: ...ates a check valve problem If check valve removal is necessary perform step 7 7 Select the correct screw listed in Table 6 Obtain a piece of pipe or tubing with an inside diameter that is slightly lar...

Страница 29: ...1 11 Spring 1 12 Sleeve 1 13 Piston 1 14 Spool 1 15 Screw 4 16 Cover 1 17 O Ring 1 18 Spring 1 19 Washer 1 20 45 Plugs O Rings 13 each 46 O Ring 4 47 O Ring 1 48 O Ring 1 49 O Ring 1 50 Rest Pin 2 25...

Страница 30: ...8 39 DG4S4 01 W3 51 15 a 19a 18a 17a 15a Detent S A 1 N 16 Washer 1 B C 17 Screw 4 C N 17a Screw 4 A B 18 Coil S A 1 C N 18a Cover 1 A B 19 Gasket 1 C N 19a O Ring 1 A B 20 Screw 2 C N 21 O Ring 1 C N...

Страница 31: ...Snap Ring 1 9 Guide 1 10 O Rings Guide 1 11 Limiter 2 12 Spring 1 13 Snap Ring 1 14 Guide 1 15 O Ring 1 16 O Ring 1 17 Washer Seal Retainer 1 18 Spring 1 19 Spacer 1 20 Washer Spring Centering 1 21 S...

Страница 32: ...F N 13 O Ring 1 A B C F N 14 Core Tube S A 1 A B C F N 15 O Ring 1 A B C F N 16 Push Pin 1 A B C F N 17 Spring 1 A B C N 18 Washer 1 C F Item Nomenclature Quantity Model Source Code 19 Detent S A 1 N...

Страница 33: ...DG18V 3 C 40 11 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 1 Screw 4 2 End Cover 2 3 Manual Plunger 2 4 O Ring 2 5 Plunger 2 6 Seal 2 7 Guide 2 8 O Ring 2 9 Pin 2 10 O Ring 2 11 Retainer 2 12 Spring 2 13...

Страница 34: ...faces washers and manual plungers for burrs cracks or mushrooming Replace all parts that show evidence of wear 5 Visually inspect the internal coring bore of each body for heavy scratches or erosion a...

Страница 35: ...g 15 on end of spool 17 NOTE Spring 15 and washer 16 do not exist on spring offset A or floating type models h Install O Ring 14 into cover 13 as shown i Fasten cover 13 to end of body 6 with four scr...

Страница 36: ...model code If left hand LH assembly is required reverse all pilot parts except body and spool 1 Install O Rings 35 and 37 on plugs 34 and 36 Lubricate plug threads and install into body 38 as shown To...

Страница 37: ...40 DG5S4 04 X K R S 40 DG5S4 04 X E K R S 40 DG5S4 04 T 40 DG5S4 06 51 DG5S4 06 X 51 DG5S4 06 E 51 DG5S4 06 X E 51 DG5S4 06 K R 51 DG5S4 06 E K R 51 DG5S4 06 X K R 51 DG5S4 06 X E K R 51 DG5S4 06 T 5...

Страница 38: ...pecial fixtures is required to fully test the performance of the rebuilt unit Because of this only the functional test shown in the start up paragraph is given If such a test stand is available test t...

Страница 39: ...E K R S 40 DG5S4 04 X E K R S 40 In In In In Out Out In Out Denotes Orifice Plug B P T A P Port B Plug C Plug X Port In Out In In NOTE Open Center Spools 0 4 8 9 cannot function unless External Pilot...

Страница 40: ...6 X E 51 In In Out In Out In Out Denotes Orifice Plug B P T A B Plug C Plug X Port Out T Figure 24b DG5S4 06 K R 51 Internal Pressure Passages Plug Locations Plug Installation Table Model C Plug B Plu...

Страница 41: ...s Y Port T Drain Port Internal Coring Figure 25a DG5S4 H06 51 Internal Pressure Passages Plug Locations Plug Installation Table Model C Plug B Plug A Plug DG5S4 H06 C 51 DG5S4 H06 C E 51 DG5S4 H06 C X...

Страница 42: ...5S4 H06 C E KRS 51 DG5S4 H06 C X KRS 51 DG5S4 H06 C X E KRS 51 In In Out In Out In Denotes Orifice Plug B P T A T A Plug Check Valve Pressure Pickup Line In Out B Plug C Plug Gauge Connection Figure 2...

Страница 43: ...n Out In Denotes Orifice Plug B P T A T C Plug Does not Exist Out B Plug X Port Figure 26b DG5S4 10 K R S 53 Internal Pressure Passages Plug Locations Plug Installation Table Model C Plug B Plug A Plu...

Страница 44: ...Models T Drain Port Internal Coring Y Port Figure 27a DG5S 8 10 or DG5S H8 20 Internal Pressure Passages Plug Locations B P A T P Port Plug Installation Table Model C Plug B Plug A Plug DG5S 8 10 DG5S...

Страница 45: ...G5S 8 E KRS 10 DG5S 8 X KRS 10 DG5S 8 X E KRS 10 In In Out In Out In Denotes Orifice Plug Does not Exist Out C Plug Check Valve A Plug Figure 27c DG5S8 10 or DG5S H8 20 Internal Drain Passages Plug Lo...

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