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Liste de résultats
- * Check all valve bank ports are either c … * Check all valve bank ports are either connected or blanked off * Check all mains feed pipes are connected or isolated * Check all regulators are regulated to minimum setting * Check all air flow control valves on cylinders and blow lines are set to mid range adjustment blow lines are set to mid range adjustment +
- Connect air feed to mains 12mm feed pipe using pcl coupling and 12mmm push fit adapter +
- Each valve on the Valve bank can be manually overridden to activate the output. When each valve is fired, attention should be paid to identify any air leaks that occur when the active side of the system becomes live +
- In this process pneumatic outputs will be … In this process pneumatic outputs will be tested in a non emergency stop environment Ensure safe working practice is followed * Ensure Machine test area is clear from personnel and all staff are aware of testing procedure commencing * Ensure all Air connection lines are connected * Ensure all walkways are not impeded by trailing pipes/leads * Ensure all mechanical assemblies are at a sufficient stage for testinglies are at a sufficient stage for testing +
- Investigate any air leaks and resolve +
- Manually fire Y131 With valve held in the … Manually fire Y131 With valve held in the over ridden state, adjust regulator next to gripper to increase pressure to 0.4 MPA and then reduce pressure to zero. This is to confirm regulator is fitted to the system correctly . If regulation is not possible, check piping as fault is evident . Once happy with operation, set regulator pressure to 0.15 MPAration, set regulator pressure to 0.15 MPA +
- Manually over ride Y146 and all roller bed … Manually over ride Y146 and all roller beds should drop down from the lifted position. Investigate any air leaks in the activated position Movement should be smooth , and even across all roller beds operating. If movement is violent, check that process has been followed and all flow regs are set to 2 1/2 turns open from the fully closed position. Report through ncr if this is the casen. Report through ncr if this is the case +
- Manually over riding Y147 valve should make All pop up cylinders fire the piston into the active position Check for air leaks in active position +
- With no valves active ( no over rides pres … With no valves active ( no over rides pressed ) the following home positions of pneumatic assemblies should be 1 Y239 material load sensor blowers should be switched OFF 2 Y147 Pop up Eshould be retracted 3 Y146 Roller beds should be lifted 4 Y221 Channel bar should be closest to Hepco beam (retracted) 5 Y220 Channel lock should be turned on (no movement possible ) 6 Y241 Rack blower should be switched OFF 7 Y131 Gripper height should be raised up Any discrepancies on these should be investigated to correcton these should be investigated to correct +
- Y221 and Y220 need to be tested in paralle … Y221 and Y220 need to be tested in parallel Set Y220 regulator to 0.1 MPA Manually fire and hold Y221 . Adjust regulator to increase pressure to 0.1 MPA If regulator doesn't increase in pressure check pipework for faults . With Y221 held, Activate Y220. Channel bar should move as the lock is now released. Release Y220 , then release Y221. Channel bar should not move. Activate Y221 and then the channel bar should retract. Doing these tests ensures the lock function as well as channel movement is correction as well as channel movement is correct +
- manually fire Y239 . Check that flow regu … manually fire Y239 . Check that flow regulator is fitted in the correct orientation . Check this by holding the valve on over ride then adjusti the thumb wheel fully clockwise until the air flow stops , then turn fully anti clockwise and air flow should reach maximum It no adjustment is possible from thumb wheel, this means the flow regulator is fitted back to frontthe flow regulator is fitted back to front +
- manually fire Y241. Check that flow regul … manually fire Y241. Check that flow regulator is fitted in the correct orientation . Check this by holding the valve on over ride then adjusti the thumb wheel fully clockwise until the air flow stops , then turn fully anti clockwise and air flow should reach maximum It no adjustment is possible from thumb wheel, this means the flow regulator is fitted back to frontthe flow regulator is fitted back to front +
- once testing is complete remove air coupling and associated cable/pipe management installed for testing +
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