Walvoil DPC130X Скачать руководство пользователя страница 14

D1WWTD02E

14

Service Manual

DPC130X

Disassembly and assembly procedures

 ____________________________________________________________

Second phase: valve and plug assembly

• Mount valves according to the BOM and scheme;
• mount plugs according to the BOM and scheme;
• screw valves and plugs to the required torque;
• if required, punch elements according to the scheme.

Third phase: control valve assembly

• Collect tie rods kit according to the BOM;
• collect inlet section, working sections and outlet section according to the BOM;
• collect OR kits according to the BOM;
• clean carefully grinded planes; 
• starting from the inlet section, screw by hand the tie rods (from the side of shorter thread) on the inlet section;
• mount the working sections according to the scheme;
• mount the outlet section;
• put on the spring-washers on the tie rods and screw the nuts by hands;

• settle the control valve sections on a rigid plane and finally screw the nuts to the torque of 30 Nm - 

22 lbft

.

• All the disassembly and assembly operations must strictly observe the procedures listed in this disassembly/assembly instruc-
tion;
• Walvoil is not responsible for any damage due to disassembly and assembly procedures not in compliance with our prescriptions;
• please remember that all these operations have to be carried out in a non potential explosive atmosphere at the environmental 
conditions required;
• for any doubt, please contact our After-sales Department.

WARNING

Содержание DPC130X

Страница 1: ...DPC130X Pre compensated Load Sensing Sectional Valve ATEX version...

Страница 2: ...FOR ANY RESULTING INJURY OR DAMAGE TO PERSONS OR PROPERTY Whenever the symbols shown below appear follow the instructions that are given Be sure to perform all operations and maintenance in complete...

Страница 3: ...DPC130X _________________________________________________________________________________________ Table of contents Introduction page 4 Valve description page 5 General specifications page 9 Storage p...

Страница 4: ...e product you must read this Service Manual carefully and understand its contents in order to prevent accidents or damages Do not carry out assembly disassembly and or maintenance activities before co...

Страница 5: ..._____________________ Valve description Operating principle of Pre Compensated Load Sensing technology The main feature of this principle is that the flow rate to the user is proportional to the spool...

Страница 6: ...to which Group the product belong and determine the category inside the Group Areas Gas Air type explosive mixture G Dust Air type explosive mixture D With the Atex Directive 2014 34 UE for the safety...

Страница 7: ...tions for breakdown in case of explosion These products have to work in compliance with operative parameters established by the Manufacturer in environments with a high probabi lity of frequent or lon...

Страница 8: ...0 60 C T fluid 20 80 C Via Adige 13 D 42124 Reggio E Italy CE mark DATAMATRIX ATEX mark manufacturer reference ATEX category environmental temperature fluid temperature E F 230 9 06 54 5 2 15 5 0 197...

Страница 9: ...ng range from 15 to 75 mm2 s from 15 to 75 cSt min 12 mm2 s 12 cSt max 400 mm2 s 400 cSt Contamination level max 18 15 ISO 4406 NAS 1638 class 9 Environmental temperature for working conditions from 2...

Страница 10: ...WARNING WARNING Cast iron O ring seals Parback Spring steel Other steel Other Cast iron EN GJl 250 NBR 70 Sh AISI 302 11SMnPb37 Sint A50 Cast iron EN GJL 300 VITON 75 Sh VDSiCr EN10270 2 16CrNi4Pb Ca...

Страница 11: ...on of the hydraulic schema especially in case of electrohydraulic control be sure that drain line is directly connected to tank avoid any back pressure in case of variable displacement system be sure...

Страница 12: ...case of the presence of electrohydraulic controls or unloading valve please cover these electronic parts as well as the cables before painting avoid painting the marking label for the electric parts...

Страница 13: ...device before removing the hoses attach suitable indications on them so to be able to locate their positions later on It is also advisable to label dismounted parts and to write down their original l...

Страница 14: ...ction screw by hand the tie rods from the side of shorter thread on the inlet section mount the working sections according to the scheme mount the outlet section put on the spring washers on the tie r...

Страница 15: ...ces Periodically check the tightening of Tie rods Lever box Control kit screws Unloading screw Electrohydraulic valve screws Hydraulic fittings Constantly check oil contamination status and plant filt...

Страница 16: ...WWW WALVOIL COM 1st edition September 2018 D1WWTD02E...

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