Related Manuals for Emerson Q Series
Summary of Contents for Emerson Q Series
- Page 1 Repair Instruction Manual DOC.SAFM.Q4.E Rev. 0 March 2018 Q-Series Switch Adjustment and Feedback Mechanism replacement...
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Page 3: Table Of Contents
Repair Instruction Manual Table of Contents DOC.SAFM.Q4.E Rev. 0 March 2018 Contents Before you start ....................4 Scope ..............................4 General safety messages ......................... 4 Required tools ............................5 Disassembly procedure ..................6 Reassembly procedure ..................9 Adjusting the switch points .................11 Table of Contents... -
Page 4: Before You Start
Substitution of electronics cartridge, switch cartridge, pilot valve cartridge, pneumatic cartridge, enclosure and seals must be with parts from Emerson else the suitability for Division 1 or 2 will be impaired. Always use proper component replacement techniques, as presented in this manual. Improper techniques or component selection may invalidate the approvals and the product specifications, as indicated in applicable Control module Installation Guides and may also impair operations and the intended function of the device. -
Page 5: Required Tools
Repair Instruction Manual DOC.SAFM.Q4.E Rev. 0 March 2018 IMPORTANT When replacing any of the components of the Control Module, the maintenance should be performed in an instrument shop whenever possible. Make sure that the electrical wiring and pneumatic tubing is disconnected prior to disassembling the instrument. -
Page 6: Disassembly Procedure
Repair Instruction Manual March 2018 DOC.SAFM.Q4.E Rev. 0 Disassembly procedure IMPORTANT In order to replace the adjustment screws, first the feedback mechanism needs to be disassembled. 1. Remove the cover screws on the back side of the control module. Check if the O-ring seals are in good shape. Replace if neccesary. Figure 3 Remove the cover screws 3 mm Allen key Pay attention to the two bound seal washers... - Page 7 Repair Instruction Manual DOC.SAFM.Q4.E Rev. 0 March 2018 WARNING - WEAR SAFETY GLASSES Watch out for the spring when release the screw driver after remove the e-clip. 3. Remove the E-clips from groove using the slot screw driver. Figure 5 Remove E-Clips 4.
- Page 8 Repair Instruction Manual March 2018 DOC.SAFM.Q4.E Rev. 0 5. Punch the plastic screws from bottom untill they are free to be removed from the top. Figure 7 Remove the adjustment screws Adjustment screws...
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Page 9: Reassembly Procedure
Repair Instruction Manual DOC.SAFM.Q4.E Rev. 0 March 2018 Reassembly procedure IMPORTANT Check before replacing that both plastic adjustment screws have two O-rings in the top and bottom groove. 1. Mount the new adjustment screws and press them down until they are flush with the body. Figure 8 Mount the new adjustment screws O-ring seals 2. Adjust the orientation of the heads of setting screws of the feedback mechanism to match the direction of new adjustment screws. - Page 10 Repair Instruction Manual March 2018 DOC.SAFM.Q4.E Rev. 0 WARNING - WEAR SAFETY GLASSES Wear safety glasses when compressing the spring. Release your fingers slowly after mounting the e-clip. Try a different angle if you fail to compress the spring and washer. 5. Press the spring with spring washer down untill the groove and the switch operating rod is visible. 6.
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Page 11: Adjusting The Switch Points
Repair Instruction Manual DOC.SAFM.Q4.E Rev. 0 March 2018 Adjusting the switch points In order to prevent damage again to the adjustment screws or feed back mecahanism, we strongly recom- mend to follow the instruction for switch point adjustment as per section 5 of the installation guides as shipped with each Control Module. - Page 13 Holland Fasor 6 ©2018 Emerson. All rights reserved. P. R. China Székesfehérvár 8000 The Emerson logo is a trademark and service mark of Emerson Electric Co. T +86 22 8212 3300 Hungary Bettis is a mark of one of the Emerson family of companies.