MAINTENANCE NOTICE 1 MANAGEMENT OF EVOLUTIONS CHANGES INDEX DATE PAGES INITIALS New edition April 2020 G. BEGAUD Add of actuator shim for DN104 June 2020 23/31 G. BEGAUD NM-277 index 02 Page 3/37 June 2020...
MAINTENANCE NOTICE 2 SAFETY IMPORTANT INFORMATION Always read the maintenance notice before manipulating the valve Failure to observe these instructions can result in serious bodily injury or loss of life. DANGER! This can result in less serious injuries or damage to the equipment. CAUTION! Electricity can result in serious bodily injury or loss of life DANGER!
(WARNING: pre-tensioned spring) CAUTION! N.B.: After any maintenance work on DEFINOX products, it is imperative to check the proper functioning of the equipment concerned: Sealing, pressure, etc. ATTENTION: NEVER BLOCK or REDUCE the flow of the LEAKAGE CHAMBER in NOTE! the lower part of the valve.
MAINTENANCE NOTICE 4 VALVE DISASSEMBLING If the valve is fitted with a signalling unit, it may be necessary for disassembly, to first separate the signalling assembly from the actuator. DISASSEMBLING THE SIGNALING BLOCK Disassembling without disconnection IMPORTANT! Before starting any work on the box, it is important to ensure that the air supply is closed and that the circuit is purged.
• Disassemble the upper clamp collar [53]. • Cut the air to the air cylinder (the valve returns to the closed position). • Remove the isolation (air cylinder) assembly [A] from the bodies of VEOX SP 3 BODY [50] and [52].
MAINTENANCE NOTICE DISASSEMBLY OF VEOX BREAKAWAY CYLINDER (For changing seals and segments if necessary) • Disassemble the screws [6] fastening the breakaway actuator body [1]. • Unscrew the breakaway piston lower valve pin [3]. • Remove the breakaway piston rod [4]. •...
MAINTENANCE NOTICE DISASSEMBLY OF THE LOWER VALVES OF THE VEOX SP 3 BODY • Screw the protection screw [86] in the cylinder rod [11] to protect the tapped hole. • Using the plug valve wrench [82] on the lower valve side [71] and the holding wrench [84] on the flats on the cylinder rod side [11], unscrew the lower valve assembly [B] from the pneumatic cylinder [40].
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MAINTENANCE NOTICE • Using the plug valve wrench [82] on the cylinder rod lower side and the plates of the lower valve axis [68]. (In a vice with protective jaws or with an open-ended wrench). • Unscrew the intermediate valve [70] from the lower valve axle [68]. (See drawing below). •...
MAINTENANCE NOTICE DISASSEMBLY OF THE PPJ AND THE VEOX SP UPPER VALVES • Unscrew the 2 fixing screws [42] to be able to remove the lantern protection plate [41]. • Unscrew the indexing screw [60]. • Unscrew the two fastening screws [58]. •...
MAINTENANCE NOTICE DISASSEMBLING THE PRINCIPAL AIR CYLINDER • Disconnect the air connections [23] and [24] for the upper breakaway valve supply. • Position the cylinder sub-assembly [40] on the press. (See drawing below) • Make sure the press stroke is right for sides [A] and [B]. •...
MAINTENANCE NOTICE DISASSEMBLING THE LANTERN SUB-ASSEMBLY • Hold the clamp rod [18] with the clamp rod guide [85] held in a vice. • Loosen the breakaway piston nut [16] using the plug valve wrench [83]. • Release the nut [16] the breakaway piston [17] and the clamp rod [18] from the lantern assembly [19].
MAINTENANCE NOTICE DISASSEMBLING THE AXLE / PISTON SUB-ASSEMBLY • Screw the protection screw [86] in the cylinder rod [11] to protect the tapped hole. • Loosen the pressure screw [14] of the nut [13]. • Unscrew the nut [13] of the main piston [15] using the plug valve wrench [83] and the holding wrench [84].
5 REASSEMBLING OF VEOX SP VALVE CHANGING DEFECTIVE COMPONENTS OR SEALS ON THE VALVES 5.1.1 CHANGING THE SEALS ON VEOX SP 3 BODY VALVES IMPORTANT! It is required to disassemble the lower valve to change the seals located on the upper valve.
MAINTENANCE NOTICE 5.1.2 CHANGING THE PFA SEAL ON THE PFA UPPER VALVE IMPORTANT! It is required to disassemble the lower valve to change the PFA seal located on the upper valve. CAUTION! • Cut the damaged PFA joint using a cutter, taking care not to mark the support surface of the valve.
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MAINTENANCE NOTICE • Before changing the defective seals between the lower valve and the intermediate valve (See reference for seals or pockets at the end of the notice). • Mount the seal [72] on the dry insert [73] and mount the slightly greased assembly between the marks [70] and [71], pay attention to its concentricity on the valve.
MAINTENANCE NOTICE 5.1.3 REASSEMBLING VEOX SP AXLE/PISTON • Remove the O-rings [29] and [31] (If changing is necessary, consult the parts reference at the end of the notice), grease these with grease. (Type 4025 H1 QUINPLEX from Lubrication Engineers, see § 6.9.9) •...
MAINTENANCE NOTICE 5.1.4 REASSEMBLING VEOX SP LANTERN ASSEMBLY • Remove the O-rings [21] [26] [27] [37] (If changing is necessary, consult the parts reference at the end of the notice), grease these with grease. (Type 4025 H1 QUINPLEX from Lubrication Engineers, see § 6.9.9) •...
MAINTENANCE NOTICE 5.1.5 REASSEMBLING VEOX SP ACTUATOR ASSEMBLY • Screw the guides [81] and [79] to the axel [11]. (See drawing below) • Position the spring [33] in the barrel [12] reassemble the axle/piston assembly on the spring [33] position the spring [30] in the assembly and thread the lantern assembly on the guide [81].
MAINTENANCE NOTICE 5.1.6 REASSEMBLY OF THE VALVE ASSEMBLY ON THE BODY OF VEOX SP 3 BODY Check that the old seals [55] and [51] have been removed. Grease the new seal [51] and the inside diameter of the new seal [55] with edible silicone grease (Type Kluber Paraliq GTE 703).
MAINTENANCE NOTICE VEOX SP BREAKAWAY VALVE DETECTION OPTION SPARE PARTS • Installation with SORIO box. • First, cut the metal tab with wire cutters and deburr it to remove the sharp edges. Deburr Tab to be removed NM-277 index 02 Page 27/37 June 2020...
MAINTENANCE NOTICE ADJUSTING THE DETECTOR IN THE LANTERN 1 Position the detector support [75] at the bottom of the lantern and tighten the 2 fixing screws [76]. (this operation is essential for a good adjustment of the M12 detector). 2 Screw on the M12 detector [77] until contact is made with the face of the detection target [60].
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