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3

Section I – Introduction

A. Purpose Of Manual

This manual describes operational characteristics, mainte-
nance requirements, and overhaul information for Vickers
balance piston relief valves. The information contained here-
in pertains to the latest design series as listed in Table 1.

Model

CT/CS-10-**-30
CT/CS/CG-H10-**-30
CT/CS/CG-06-**-50
CT/CS/CG-H06-**-50
CS-03-**-50
CS5-03-***-***-90
CT5/CG5-*06/*10-***-***-90

Table 1

B. Related Publications

Service parts and installation dimensions are not contained
in this manual. The parts and installation drawings listed in
Table 2 is available from any Vickers application engineering
office.

510900

510500

511005

511006

511005

511006

Model

Parts &
Service

Drawing

CG-06-**-20
CG-06-**-40
CG-06-**-50
CG-H06-*V-50
CG-H10-*V-30
CG-10-**-20
CG-10-**-30
CS-03-**-20
CS-03-**-40
CS-03-**-50
CS-06-**-20
CS-H06-*V-50
CS-H10-*V-30
CS-10-**-20
CS-10-**-30
CT-06-**-20
CT-06-**-40
CT-06-**-50
CT-H06-*V-50
CT-H10-*V-30
CT-10-**-20
CT-10-**-30
CS5-*03-***-***-70  *-***-70
CS5-*03-***-***-80  *-***-80
CS5-*03-***-***-81  *-***-81
CS5-*03-***-***-90  *-***-90
CG5/CS5/CT5-*06-***-***-70
CG5/CS5/CT5-*06-***-***-80
CG5/CS5/CT5-*06-***-***-81
CG5/CS5/CT5-*10-***-***-70
CG5/CS5/CT5-*10-***-***-80/81
CG5/CS5/CT5-*10-***-***-90

Table 2

Installation

Drawing

I-3302-S
I-3306-S
I-3368-S
I-3366-S
I-3399-S
I-3301-S
I-3697-S
I-3301-S
I-3305-S
I-3369-S
I-3304-S
I-3367-S
I-3699-S
I-3304-S
I-3698-S
I-3301-S
I-3305-S
I-3369-S
I-3367-S
I-3699-S
I-3301-S
I-3698-S
I-3364-S
I-3679-S
I-3691-S

I-3364-S
I-3679-S
I-3691-S
I-3365-S
I-3680-S

C. Model Codes

Variations within each basic model series are covered in the
model code. Table 3 is a complete breakdown of the model
codes covering these units. Service inquiries should always
include the complete unit model code as noted on the
nameplate.

Summary of Contents for Vickers CG-03 Series

Page 1: ...I 3300 S Revised 1 1 85 Balanced Piston Relief Valves CG CS CS5 03 06 10 Series CT CT5 CG5 06 10 Series Vickers Relief Valves Overhaul Manual...

Page 2: ...4 C Piping and Tubing 4 D Fluids and Seals 4 V Inspection and Maintenance 4 A Inspection 4 B Cleanliness 4 C Adding Fluid to the System 4 D Hydraulic Fluid Recommendations 5 E Overload Protection 5 F...

Page 3: ...H06 V 50 CG H10 V 30 CG 10 20 CG 10 30 CS 03 20 CS 03 40 CS 03 50 CS 06 20 CS H06 V 50 CS H10 V 30 CS 10 20 CS 10 30 CT 06 20 CT 06 40 CT 06 50 CT H06 V 50 CT H10 V 30 CT 10 20 CT 10 30 CS5 03 70 70 C...

Page 4: ...A General Relief valves are devices used to limit maximum pressure in hydraulic systems When system pressure starts to exceed the pressure setting of the relief valve a controlled amount of hydraulic...

Page 5: ...ed against its seat all flow through orifice C stops B Venting The High Vent option V in the model code is used when it is necessary to maintain pilot pressure for other valves in the system This opti...

Page 6: ...ust not be bent too sharply The recommended radius for bends is three times the inside diameter of the tube D Fluids and Seals Standard seals Nitrile can be used with petroleum water glycols and water...

Page 7: ...e these parameters vary from application to application the ultimate user must determine and establish the periodic maintenance required to maximize life and detect potential component failure G Troub...

Page 8: ...clean work bench that is equipped with a vise 9 Shop air 90 psi Special Tools 1 A piece of drill rod or roll steel to remove the seat within the valve body See Figure 3 Figure 3 Disassembly Tool to Re...

Page 9: ...from valve cover f 3 Discard seals g 4 Disassemble the relief valve per Section VI C and follow Figure 5 NOTE This manual does not cover the repair and or over haul of solenoid operated directional va...

Page 10: ...17 18 19 20 11 13 12 7 8 9 10 12 Seat 13 Screw 14 Cover 15 Seal 16 Spring Omitted on C H06 50 model 17 Spring High vent V models 18 Piston 19 Seat 20 Sleeve High flow H models 21 Body 22 Plug 23 Seal...

Page 11: ...to body 21 Cross tighten four screws 13 evenly Torque the screws to 14 9 20 3 Nm 133 178 lb in 7 Secure valve body in vise to a horizontal position Place screwdriver or similar tool in tank port again...

Page 12: ...All rights reserved Printed in U S A Eaton Hydraulics 15151 Highway 5 Eden Prairie MN 55344 Telephone 612 937 7254 Fax 612 937 7130 www eatonhydraulics com 46 New Lane Havant Hampshire PO9 2NB Englan...

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