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Service Schematic W/ Pneumatically Controlled  

Represents one dryer within the dryer system 

 

 

 

 

Optional Manifold kits for Pneumatically Controlled 

#619780 – 4 canister dryer systems 
#619785 – 6 canister dryer systems 

D, I, J 

External to air dryer .01 
filtration w/oil coalescer 
 

Internal to air dryer 

22 

 

Summary of Contents for SFD

Page 1: ...SFD Air Dryer Owner s Manual 10 09 2014...

Page 2: ...3 MLT PLC and Pneumatically Controlled Operation Cycle Problem Scenarios 23 SERVICE REPLACEMENT PROCEDURES SFD AIR DRYING SYSTEM 27 Desiccant Cartridge Kit Options 27 Adapter Plate Cartridge Stud 27 M...

Page 3: ...ld result in minor or moderate injury REMINDER Indicates suggestions for proper use Warning labels are attached to the air dryer They look something like those below Be sure that these labels are visi...

Page 4: ...desiccant cartridges and replace service components in a matter of minutes Designed for outdoors complies with NEMA 4 Standard when equipped with thermostatically controlled heater package keeps dryer...

Page 5: ...10 75 4 desiccant w 4 pound cartridges H 23 00 L 36 00 W 10 75 6 desiccant w 4 pound cartridges H 23 00 L 51 00 W 10 75 8 desiccant w 4 pound cartridges H 56 00 L 36 00 W 10 75 2 rows 12 desiccant w...

Page 6: ...1 2 36 0 120 60 80 15 20 640497 01 Prefilter PC None Wall 1 2 36 0 120 70 15 640902 3 0 MLT 110 Wall 1 1 13 5 53 70 15 640905 3 0 MLT 110 Wall 1 1 13 5 53 120 30 640690 3 0 PC None Wall 1 2 36 0 120 1...

Page 7: ...above cartridges for cartridge removal Air line routing and connections may be modified to accommodate space and application All air line connections require thread sealant Aluminum threads require a...

Page 8: ...2 Power source 120 Volt AC grounded surge protected recommended electric receptacle required for MLT and PLC dryer systems 3 Mount SFD down stream of air compressor reservoir 4 Mount SFD dryer with su...

Page 9: ...er bolt Inlet and outlet ports may be installed on right or left side of dryer to accommodate hose routing 5 Connect air lines to inlet and outlet ports of manifolds using appropriate thread sealant o...

Page 10: ...dryer units 6 cartridges 1 PLC c 240 cfm 2 rows with 4 dryer units 8 cartridges 1 PLC d 400 cfm 2 rows with 6 dryer units 12 cartridges 1 PLC e 600 cfm 3 rows with 9 dryer units 18 cartridges 1 PLC f...

Page 11: ...es Mounting 1 Determine proper location for SFD as described in General Mounting Instructions pg 7 2 Install wall strut with small slots next to wall and on top 3 Mount SFD base assemblies as follows...

Page 12: ...ated on spool valve If dryer cycles manually return brass screw back to original vertical position and reference Troubleshooting SFD Air Dryer Systems PLC Programmable Logic Control Dryers Operational...

Page 13: ...ence 240 sec Cartridge 1 receives wet air for 120 sec while cartridge 2 regenerates for 120 for sec MLT switches Cartridge 2 receives wet air for 120 sec while cartridge 1 regenerates for 120 for sec...

Page 14: ...Sequence 240 sec Cartridge 1 receives wet air for 120 sec while cartridge 2 regenerates for 120 for sec MLT switches Cartridge 2 receives wet air for 120 sec while cartridge 1 regenerates for 120 for...

Page 15: ...y within all dryer systems including Programmable Logic PLC and Pneumatically Controlled PC systems Wet Air Transition Air Dry air Internal Flows Total Cycle Sequence 120 sec Cartridge 1 3 receives we...

Page 16: ...systems including Programmable Logic PLC and Pneumatically Controlled PC systems Wet Air Transition Air Dry air Internal Flows PLC Total Cycle Sequence 180 sec Cartridge 1 regenerates for 45 sec Cartr...

Page 17: ...rol Valve Three air lines E 619925 1 Air Control Valve Two air lines 619020 1 Max20 cfm prefilter coalescer complete assembly 619081 1 1 Max80 cfm prefilter coalescer complete assembly 619160 1 Max120...

Page 18: ...nts one dryer within MLT dryer system A B C E G D I J K L M H External to air dryer 01 filtration w oil coalescer F Internal filtration Optional Manifold kits for MLT 619780 4 canister dryer systems 6...

Page 19: ...n Valve Kit includes 2 060 619731 12 18 24 Regeneration Valve Kit includes 2 090 I J 619702 2 3 4 6 9 12 Valve Service Kit includes 2 inlet check valves 2 purge valves 1 outlet check valve 619160 1 2...

Page 20: ...sents one dryer within the dryer system A B C I J H K L M Q Optional Manifold kits for PLC 619780 4 canister dryer systems 619785 6 canister dryer systems O P External to air dryer 01 filtration w oil...

Page 21: ...3 Valve Service Kit includes 2 inlet check valves 2 purge valves 1 outlet check valve E 619985 1 Pneumatic Control Valve E 619987 1 Pneumatic Control Valve E 619989 1 Pneumatic Control Valve 619081 1...

Page 22: ...s one dryer within the dryer system Optional Manifold kits for Pneumatically Controlled 619780 4 canister dryer systems 619785 6 canister dryer systems O P A B C D I J H K M E External to air dryer 01...

Page 23: ...g one from each dryer unit e g cartridges 1 3 charge cycle cartridges 2 4 regeneration cycle Programmable Control Box PLC controls regeneration cycles by energizing and de energizing air control valve...

Page 24: ...closing Clean cavities and replace regeneration valve assemblies within service kit C NOTE Light air flowof 1 6 cfm from either exhaust port muffler is normal as this represents the regeneration cycl...

Page 25: ...KF Customer Service 1 888 SKF FIRST Possible Cause Remedy Ensure air pressure though pilot signal line Disconnect one air line at a time fromPLC checking for steady air flow during a regeneration cycl...

Page 26: ...nifold damaged or missing Worn stuck or clogged purge valve Purge Valves incorrectly serviced Compressed air usage exceeds drying capacity of dryer system Possible Cause Water in air dryer inlet purge...

Page 27: ...r plate tighten cartridge 1 2 to 3 4 turn REMINDER DO NOT OVER TIGHTEN as it will result in damage to dryer and make it difficult to remove desiccant cartridge Adapter Plate Cartridge Stud B 619734 61...

Page 28: ...remaining gasket material from valve housing and clean sump of valve house 9 Position gasket and or O ring onto valve body 10 Align adapter plate with holes onto valve body 11 Reattach the 6 bolts th...

Page 29: ...and tighten only 6 Reconnect MLT to electrical or VDC power source timer will cycles Air Control Valve MLT Dryer Systems E 619925 two air lines 619755 three air lines 1 Disconnect power from MLT 1 1 W...

Page 30: ...lts that attach the purge valve retainer and remove from housing 3 Remove the purge valve assembly and O ring from the purge cavity trash screen and discard 4 Clean the cavity thoroughly 5 Remove the...

Page 31: ...spring pocket facing up into cavity 8 Place spring into spring pocket of spindle 9 Apply a light coating of grease onto O ring and place onto check valve nut 10 Apply light coating of grease to nut t...

Page 32: ...sting 3 Remove heater thermostat assembly and discard 4 Slide new O ring over heater and thermostat into position around connector flange 5 Apply a light coating of anti seize to the heater element an...

Page 33: ...lot signal from air dryer received Valve at Rest 3 When pilot signal is relieved 6 piston returns to relaxed position 7 ball check closes 8 preventing zero pressure loss in system drain port 9 opens a...

Page 34: ...rding to local ordinances Reinstall outer tube by rotating onto filter head 7 Reinstall pilot signal line 8 and drain tube 9 from filter assembly Remove outer tube 3 fromfilter head by holding filter...

Page 35: ...njury death and property damage Locate bottom cap on 20 series oil coalescing filter Remove bottom cap from outer tube by rotating counter clockwise Rotate stem of float drain clockwise to remove floa...

Page 36: ...tion Cartridges 15 cfm 619705 Regeneration Valves included in kits 619708 619715 619730 619731 Desiccant Cartridges included in Kit 619667 Inlet check valves included in kits 619700 619702 Outlet chec...

Page 37: ...ning Bolt 619917 Manifold System 619785 Manifold System 444444 619780 Purge valves included in kits 619700 619702 619734 RH adapter plate 619735 LH adapter plate Pressure Relief Valve 619740 200 6 psi...

Page 38: ...trations cont d Oil coalescing prefilter element 619245 619246 Integrated filter kit 619860 Programable Logic Control PLC 619812 4 8 cart 619820 6 24 cart MLT Micro Logic Timer 110 Volt 619790 12 VDC...

Page 39: ...ice Valves 619785 Heaters 110 VDC 619750 12 VDC 619782 24 VDC 619784 Pneumatic Control Service Valves 619789 Wall Mount Bracket 619990 12 24 vd MLT Heater wire harness connector 619935 Pneumatic Contr...

Page 40: ...27 01 external 34 00 13 62 13 75 640300 40 3 0 internal 23 00 13 62 10 75 640316 27 3 0 internal 23 00 13 62 10 75 SFD Dryer System Max CFM Micron Filtration With Pre filter Oil Coalescer Without pre...

Page 41: ...120 3 0 internal 23 00 32 50 10 75 Allow at least an additional 2 above desiccant cartridge for service removal SFD Dryer System Max CFM Micron Filtration With Pre filter Oil Coalescer Without pre fil...

Page 42: ...Micron Filtration With Pre filter Oil Coalescer Without pre filter Oil Coalescer H L W H L W 640820 240 01 external 56 00 36 00 10 75 640825 240 3 0 internal 46 00 32 50 10 75 Allow at least an addit...

Page 43: ...Micron Filtration With Pre filter Oil Coalescer Without pre filter Oil Coalescer H L W H L W 640832 400 01 external 56 00 51 00 10 75 640835 400 3 0 internal 46 00 45 50 10 75 Allow at least an addit...

Page 44: ...Micron Filtration With Pre filter Oil Coalescer Without pre filter Oil Coalescer H L W H L W 640842 600 01 external 78 00 51 00 10 75 640845 600 3 0 internal 68 00 45 50 10 75 Allow at least an addit...

Page 45: ...Micron Filtration With Pre filter Oil Coalescer Without pre filter Oil Coalescer H L W H L W 640852 800 01 external 102 00 51 00 10 75 640855 800 3 0 internal 92 00 45 50 10 75 Allow at least an addit...

Page 46: ...40 3 0 internal 22 00 13 62 11 75 Allow at least an additional 2 above desiccant cartridge for service removal SFD Dryer System Max CFM Micron Filtration With Pre filter Oil Coalescer Without pre filt...

Page 47: ...690 120 3 0 internal 21 00 30 40 11 75 Allow at least an additional 2 above desiccant cartridge for service removal SFD Dryer System Max CFM Micron Filtration With Pre filter Oil Coalescer Without pre...

Page 48: ...A Can use with synthetic oils Saves money How it Works When dryer regenerates pilot signal is relieved piston returns to home position 5 and check ball closes 6 preventing zero pressure loss fromsyst...

Page 49: ...ve Connect open power lead to appropriate 120 Volt AC power source controlling compressor motor low pressure On and high pressure Off cycles Re connect air line to dryer outlet port Check all connects...

Page 50: ...air control valve RCS andAir Control valve test procedures Dryer does not cycle every two minutes when compressor is on RCS Regeneration Cutoff Solenoid Refer to Micro Logic Timer MLT section Dryer w...

Page 51: ...eration Valve Kit 060 orifice includes 2 white valves 619731 Regeneration Valve Kit 090 orifice includes 2 blue valves 619734 Right hand adaptor plate with stud 619735 Left hand adaptor plate with stu...

Page 52: ...olt MLT design with six cartridges 6 mufflers manifold not included 640690 120 CFM PC design with four 4 lb cartridges 4 mufflers Class I DivII 640697 120 CFM PC design with four 4 lb cartridges 4 muf...

Page 53: ...breathing air requirements Bubble In spray painting applications air trapped in a paint film caused by poor atomization during spraying Capacity Capacity of a compressor is the full rated volume of f...

Page 54: ...of a substance passing a point per unit time e g meters per second gallons per hour etc Flow control valve A valve controlling flow of air that passes through the valve used often for retardation or t...

Page 55: ...e measured by micron size and count Micron rating A measurement applied to filters or filter media to indicate removal of particle size at which suspended solids above that size Micro Logic Timer An e...

Page 56: ...e presence of flammable gases or vapors in the air such as natural gas or gasoline vapor When these materials are found in the atmosphere a potential for explosion exists which could be ignited if an...

Page 57: ...tomation of many different processes such as controlling machines or factory assembly lines accomplished with small computers called a programmable logic controller PLC s This is actually a control de...

Page 58: ...rature corresponding to its partial pressure as a gas never becomes saturated with a vapor However the space occupied jointly by the gas and vapor may be saturated SCFM Standard cubic feet per minute...

Page 59: ...operating in an unloaded condition Venturi A tube with a narrow throat a constriction increasing velocity and lowering pressure of liquid passing through it that creates a partial vacuum immediately...

Page 60: ...t is returned f o b to SKF s designated warehouse promptly thereafter but in any case not later than twelve 12 months from the date of original shipment of the product to purchaser by SKF In no event...

Page 61: ...IONS ON RETURNS Any product that is not in conformance with purchaser s description given in its order is returnable for credit or replacement by SKF provided that SKF is advised in writing within 30...

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