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Page 12

5. Remove the valve seat by inserting the valve extraction tool through the middle of the seat valve, resting the narrow        

end of the tool on the dome point of the check valve.

6. Rotate the thread of the tool, moving the plate attached to it and forcing the check vale out of the valve orifice 

within the outlet manifold.

7. Once the valve seat is removed, remove the check valve by hand.

8. Remove the DU bush and replace it from the NVK-CHK service kit.

9. Replace the check valve firstly from the service kit, then secondly replace valve seat.

 

10. Replace the circlip from the service kit.

                                                                                                                                         

11. Replace he seal between the dryer column and top manifold.
12. Place the manifold back on top of the dryer column and insert the 8x M12 cap head screws and 8x washers and 

tighten at a torque setting of 80Nm. 
 

 

NOTE:

 Refer to 

CH. 14. MANIFOLD TIGHTENING SEQUENCES

 and follow the correct tightening sequence.

 

13. Replace the top cover and insert the 4x M5 screws to secure it in place. Hand tighten these screws only or tighten 

to a torque setting of less than 1Nm

.

When service B is complete reset the dryer, Refer to:

1

2

3

4

Figure 2.

CH. 13. RESETTING DRYER CONTROLLER

Summary of Contents for 2 Series

Page 1: ...MAINTENANCE SERVICE MANUAL www n psi com BREATHING AIR PURIFIER SERIES 2...

Page 2: ...Document Issued Created Checked Revision 17 110 0491 05 11 2015 N McFall B Austin 0...

Page 3: ...Maintenance Guidelines 9 7 Service A Desiccant cartridge replacement 10 8 Service B Outlet valve replacement 11 12 9 Service B Inlet exhaust valve replacement 13 14 10 Service B Exhaust valve replacem...

Page 4: ...ocument Introduction This manual provides factory prescribed installation and maintenance procedures for a nano purification solutions Series 2 Breathing air dryer The procedures illustrated in this d...

Page 5: ...amage has occurred to the external packaging and if the damage extends to the product inside If there is damage to a product contact the relevant supplier immediately In no circumstances must a damage...

Page 6: ...EL REQUIRED SERVICE KITS Service B Service C Service D NBA 070 NBK 060 NVK 090 EVK 130 CVK 130 IVK 090 NBA 090 NBK 080 NVK 090 EVK 130 CVK 130 IVK 090 NBA 110 NBK 110 NVK 130 EVK 130 CVK 130 PVK 130 N...

Page 7: ...CT ASSEMBLY TOP COVER INLET OUTLET TOP MANIFOLD ASSEMBLY DESICCANT CARTRIDGES DRYER CONTROLLER DRYER SHROUD DRYER COLUMN BOTTOM MANIFOLD ASSEMBLY DRYER LEGS SILENCER BOX EXHAUST VALVE INLET VALVE MODE...

Page 8: ...SEMBLY MODELS NBA 110 120 TOP COVER OUTLET TOP MANIFOLD ASSEMBLY DESICCANT CARTRIDGES DRYER CONTROLLER DRYER COLUMN INLET BOTTOM MANIFOLD ASSEMBLY DRYER LEGS SILENCER BOX DRYER SHROUD EXHAUST VALVE VA...

Page 9: ...es will be heard but no air exhausted When the dryer is fully depressurized isolate from the power supply TERMINAL SCREW DRIVER ALLEN KEY 3mm ALLEN KEY 4mm ALLEN KEY 6mm ALLEN KEY 8mm TORQUE WRENCH 8...

Page 10: ...it into the gasket groove in the top manifold ensuring it is fully retained 10 Ensure both handles are folded flat 11 Replace the top manifold and secure with the 8x M12 cap head screws tightening to...

Page 11: ...efore attempting any maintenance work Refer to CH 6 MAINTENANCE GUIDELINES 2 Remove the 4x M5 screws to remove the dryer top cover 3 Remove the 8x M12 cap head screws and 8x washers to remove the top...

Page 12: ...k valve firstly from the service kit then secondly replace valve seat 10 Replace the circlip from the service kit 11 Replace he seal between the dryer column and top manifold 12 Place the manifold bac...

Page 13: ...Remove the solenoid coils by unclipping and sliding the coils from the valve stems See figures 2 3 Figure 2 RETAINING CLIP SOLENOIDS COILS VALVE STEM 1 Ensure the dryer is shutdown and fully depressu...

Page 14: ...agms from the bottom manifold See figure 4 6 Replace the 4x diaphragms and 4x valves from the service kit and replace the 16x M5 socket head screws and spring washers from the service kit and tighten...

Page 15: ...place the 8x M5 socket head screws and spring washers and tighten at a torque setting of 6Nm Reattach the 2x solenoid valves and 2x plugs See Figure 2 10 SERVICE B INSTRUCTIONS MODELS NBA 110 120 CVK...

Page 16: ...ng the 2x plug screws and releasing plugs See figure 1 1 Ensure dryer is shutdown and fully depressurized before maintenance work Refer to CH 6 MAINTENANCE GUIDELINES 3 Detach inlet valve tubes 1 2 3...

Page 17: ...o dryer 6 Attach inlet valve tubes to block 7 Attach solenoid plugs to solenoid coils 8 Re fit Silencer box refer to 10 2 6 Remove 2x elbows 1x tee 2x blanking plugs from valves See figure 5 Assemble...

Page 18: ...the dew point sensor assembly See Figure 3 4 SENSOR PLUG SCREW SENSOR PLUG CONTROLLER CHASSIS PLATE 1 Ensure the dryer is shutdown and fully depressurized before attempting any maintenance work Refer...

Page 19: ...e the sensor assembly See Figure 3 4 9 Close the shroud and ensure the latches are in position 10 Replace the top cover and insert the 4x M5 screws These screws should be hand tightened only See Figur...

Page 20: ...on and running Refer to CH 15 DRYER START UP PROCEDURE 2 Place a magnet over the controller reset area shown in Figure 1 for 8 10 seconds until the dryer re sets See Figure 1 3 Once re set the hours...

Page 21: ...Page 21 14 MANIFOLD TIGHTENING SEQUENCES 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Top manifold Bottom manifold...

Page 22: ...nect all pipe work ensure inlet outlet valves closed Ensure the inlet operating pressure parameters are between 4 16 barg Ensure the inlet air temperature is between 1 5 C 50 C 35 F 122 F Turn on elec...

Page 23: ...cable If the dew point is not achieved the dewpoint reading on the display will alternate with dewpoint alarm every 5 seconds The no volt alarm will also activate Contact the service department and re...

Page 24: ...t panel is illuminated check the dryer is cycling correctly 3 Moist or contaminated desiccant 3 Eliminate the cause of contamination Replace cartridges do not re use 4 Too high air consumption 4 Ensur...

Page 25: ...e following table allows the customer to document the service history of the product and to make notes related to each service DRYER SERVICE RECORD PRODUCT CODE P PRODUCT SERIAL NO SERVICE TYPE A B C...

Page 26: ...Page 26 NOTES...

Page 27: ......

Page 28: ...nano purification solutions 11330 Vanstory Drive Huntersville NC 28078 USA Telephone 704 897 2182 Fax 704 897 2183 Internet www n psi com E mail support n psi com...

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