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Maintenance
DYNACTAIR 200 to 800 - - MAINTENANCE
8519.83/3--EN
INSTALLATION
MAINTENANCE
1 - - General overview
2 - - Recommended tools
3 - - Installation / Safety / Exhaust ports of springs cartridges
4 - - Adjustment of adjustable end stops
5 - - Actuator disassembly
6 - - Actuator re- -assembly
7 - - Actuator / Valve coupling and protection
8 - - Trouble shooting
AMRI is ISO 9001 approved
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Summary of Contents for KSB DYNACTAIR 200
- Page 1 Maintenance DYNACTAIR 200 to 800 - - MAINTENANCE 8519.83/3--EN INSTALLATION MAINTENANCE 1 - - General overview 2 - - Recommended tools 3 - - Installation / Safety / Exhaust ports of springs cartridges 4 - - Adjustment of adjustable end stops...
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Page 2: General Overview
The purpose of this manual is to describe the installation / maintenance procedures and actions to be carried out in case of breakdowns or faulty operations of DYNACTAIR 200 to 800 type pneumatic actuators. DYNACTAIR 200 – Closure function by lack of control fluid Section A--A DYNACTAIR 400 and 800 –... - Page 3 DYNACTAIR 200 to 800 - - MAINTENANCE Item Designation Item Designation 52--8 Protection sleeve 553.1 Thrust insert 59--40 Mandrel 553.2 Thrust insert 81--68 Pressure pad 554.1 Washer 88--5 Silencer 3/8” G 554.2 Washer Housing 554.3 Washer Cylinder 554.4 Washer Cover 574.2...
- Page 4 DYNACTAIR 200 to 800 - - MAINTENANCE Closure and opening functions by lack of control fluid of these actuators are defined following drawings thereafter: DYNACTAIR 200 Closure function by lack of control fluid Opening operation under fluid pressure Closing function under springs action...
- Page 5 - - The device retrieval system stores mechanical energy (Cartridge springs 598.1 / 598.2), the dismantling of this cartridge springs is strictly PROHIBITED. - - If the maintenance of the spring cartridge (598.1 / 598.2) is necessary, it must be carried out by KSB Service.
- Page 6 DYNACTAIR 200 to 800 - - MAINTENANCE 3.4 - - Adaptation onto the valve In case of thick paint on the valve, put washers to avoid the nut to damage the paint The adaptation onto the valves is achieved either directly or through adaptors parts:...
- Page 7 DYNACTAIR 200 to 800 - - MAINTENANCE 3.6 - - transformation Arrangement N Arrangement M -- Drop the air pressure to put the valve in safety position. In case of offset disc valve, drop the pressure in the pipe, -- Disconnect the actuator from the valve, -- Remove the pointer 629, -- Remove the ball 486 out of the groove using a screwdriver, pin punch, .
- Page 8 DYNACTAIR 200 to 800 - - MAINTENANCE 4 - - ADJUSTMENT OF STANDARD ADJUSTABLE END STOPS (±2° ) REMINDER : These actuators are equipped with adjustable end stops only in the close position. Adjustable end stops in open position are fixed and not adjustable.
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Page 9: Actuator Disassembly
DYNACTAIR 200 to 800 - - MAINTENANCE 5 - - ACTUATOR DISASSEMBLY -- Identify both the pointer and the mounting position of the actuator onto the valve. -- Drop the air pressure to put the valve in safety position. In case of offset disc valve, drop the pressure in the pipe. - Page 10 DYNACTAIR 200 to 800 - - MAINTENANCE -- Unscrew alternatively and in a staggered way, the adjustable end stops 553 until contact with the screw heads is obtained = release the pressure of the spring cartridge REMINDER : The spring cartridge is made safe and reaches in auto--stop after a few turns of adjustable end stops 553 The sub- -unit cylinder head + spring cartridge (598.1 / 598.2)
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Page 11: Actuator Reassembly
DYNACTAIR 200 to 800 - - MAINTENANCE 6 - - ACTUATOR REASSEMBLY 6.1 - - Preparation of parts All constitutive parts of the spare kits must be used. O--rings and guiding strips must be lubricated with grease as defined in paragraph “consumables”, before being put in place. - Page 12 DYNACTAIR 200 to 800 - - MAINTENANCE 6.3 - - Cover re- -assembly -- Ensure that cover is clean -- Grease the housing of the guiding strip 310.2 and set in place -- Insert the greased O--ring 412.5 in the cover 142 -- Reinsert the greased O--ring 412.7.
- Page 13 DYNACTAIR 200 to 800 - - MAINTENANCE 6.4 - - Cylinder re- -assembly Special care : Greasing O--rings before and after mounting is strongly recommended. Do not use tools for the insertion of the O--rings in their groove. -- Clean the piston and fit the piston O--ring 412.14 and the guiding strip 593 -- Clean the side plate of the spring cartridge and put in place the O--ring 412.14...
- Page 14 DYNACTAIR 200 to 800 - - MAINTENANCE -- Place the actuator in horizontal position -- Remove the nuts 920.4, washers 554.1 and O--rings 412.4, from the end adjustable stops 553 -- Fit again the cylinder head 176, push it using the capstan screws and insert the retaining ring 932.1...
- Page 15 DYNACTAIR 200 to 800 - - MAINTENANCE 7 - - ACTUATOR/VALVE COUPLING AND PROTECTION It is Customer responsability to take care of the paint and to prevent rust 7.1 - - Protection -- Outside space in front of the spring retaining rings 932--1: It is compulsory to clean with a dry rag and to fill this gap with Sikaflex 227 for standard application, or with Iamsub Spalmatura mastic (Veneziani) for application in corrosive ambiant.
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Page 16: Troubleshooting
AMTRONIC technical leaflet Nr 2316 Control and remote indication non compatible Check accessories technical leaflet concerned KSB S.A.S. 4, allée des Barbanniers 92635 Gennevilliers Cedex (France) Tel.: +33 1 41 47 75 00 Fax: +33 1 41 47 75 10 www.ksb.com...
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