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SECTION 2 Air Dryers INDEX Page 2 All Makes Air Dryers and Components Air Dryer Quick Reference...2-14 AD-2 Series...2-15 AD-4 Series...2-18 AD-9 Series...2-22 AD-IP Series...2-26 AD-IS Series...2-31 AD-SP Series...2-28 Meritor WABCO Single Air Dryers and Components Air Dryers...2-1 Bypass Valve Kit...2-4 Desiccant Cartridge...2-2 Diaphragm...2-3 Econ Valve...2-5 Heater Power Harness...2-5 Heater Repair Kits - Single...2-2 Outlet Check Valve Kit...2-4 Pressure Relief Valve...2-5 Pressure-Controlled Check Valve...2-5 Purge Silencer...2-5 Purge Valve Kit...2-4 Regeneration Valve Kits...2-3 Turbo Cut-Off Valve Kits...2-3 Meritor WABCO System Saver Twin Air Dryers and Components Back Pressure Control Valve...2-13 Charging Valve Kit...2-11 Check Valve Assembly...2-9 Compressor Kit...2-8 Desiccant Cartridge...2-7 Dryer Replacements...2-7 Econ Valve...2-10 Heater Repair Kits - Twin...2-8 Meritor WABCO System Saver Twin Air Dryer Exploded View...2-6 Orifice Kits...2-9 Outlet Check Valve Kit...2-12 Piston Components...2-10 Pressure Relief Valve...2-11 Purge Silencer...2-13 Purge Valve Kit...2-12 Replacement Kits...2-7 Solenoid & Armature Kits...2-12 Solenoid Valve...2-10 Wiring Harnesses...2-8 2-i
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MERITOR WABCO SYSTEM SAVER 1200 & 1800 REPLACEMENTS REPL. KIT SERVICE EXCH. CORE CORE PORT SIZES/ DESCRIPTION OF AIR PART NO. PART NO. NO. GROUP DETAILS DRYER AIR DRYER CARTRIDGE R955205 SRWABK118NX XC3200 AD001 Port 1 (supply): 50"-14 NPTF Port 21 (delivery): 12-volt System Saver 1000/1200. Production number 432 413 001 0 or 432 413 003 0. SRWABK118 R950011 R955206 SRWABK119NX.50"-14 NPTF Port 4 (control): 24-volt System Saver 1200. SRWABK119 Prod number 432 413 002 0 or 432 413 004 0. R955207 S432 413 010 7.25"-18 NPTF 12-volt System Saver 1200E. Production number 432 413 006 0. S432 413 010 0 R955208 24-volt System Saver 1200E. Production number 432 413 009 0. R955210 S432 413 017 7 XC3202 AD001 12-volt System Saver 1200U. Production number 432 413 007 0. R955211 24-volt System Saver 1200U. Production number Not Available S432 421 015 7 432 413 021 0. 12-volt System Saver 1200UP. Production number 432 421 011 0. R955079 S432 421 048 7 Coalescing Version of 12- volt System Saver 1200P. R955300 S432 413 024 7 12-volt System Saver 1200P. Production number 432 421 009 0. R955315 S432 413 025 7 24-volt System Saver 1200P. Production number 432 421 010 0. R955082 S432 421 033 7 XC3202 AD001 S432 413 011 0 S432 413 017 0 S432 413 020 0 S432 421 015 0 S432 421 048 0 S432 413 024 0 S432 413 025 0 Coalescing Version of 12- S432 421 033 0 volt System Saver 1200UP. S432 413 039 0 R955301 12-volt System Saver 1800. Production number 432 413 030 0. R955302 24-volt System Saver 1800. Production number 432 413 031 0. R955303 Port 22 (purge tank):.25"-18 NPTF 12-volt System Saver 1800U. Production number 432 413 032 0. S432 413 041 0 S432 413 043 0 R955304 24-volt System Saver S432 413 045 0 1800U. Production number 432 413 033 0. R955311 12-volt System Saver S432 413 059 0 1800UP. Production number 432 421 019 0. R955312 24-volt System Saver S432 413 061 0 1800UP. Production number 432 421 020 0. R955313 12-volt System Saver S432 413 063 0 1800P. Production number 432 421 021 0. R955314 24-volt System Saver 1800P. Production number 432 421 022 0. S432 413 065 0 R955080 S432 421 052 7 XC3208 AD001 Coalescing Version of 12- S432 421 052 0 volt System Saver 1800UP. R955081 S432 421 054 7 Coalescing Version of 12- S432 421 054 0 volt System Saver 1800P. R950068 R950011 R950068 R950048 R950069 2 Replacement Kits contain: Air Dryer Base, Cartridge, Label, Heater Power Harness, Mounting Hardware and Pressure Controlled Check Valve. Alphabetical designations of Air Dryers: P - External purge tank is used for desiccant regernation U - Discharge line is used for unloading compressor E - Holset style compressor function. Dryer has external econ line UP - Discharge line for unloading compressor and and external purge tank 2-1
R950011 DESICCANT CARTRIDGES For use on System Saver 1000 and 1200 Series and TWIN air dryers. R950048 For use on System Saver 1800 Series air dryers. Can be retrofitted to an existing SS1200 air dryer to increase drying capacity. R950068 Coalescing version of System Saver 1200 and TWIN air dryer and other spin-on dryer applications. Improved oil separation verses conventional cartridges. Requires more frequent service intervals. R950069 Coalescing version of System Saver 1800 air dryer and other spin-on dryer applications. Improved oil separation verses conventional cartridges. Requires more frequent service intervals. R950015 SS1200/SS1800 AIR DRYER REPAIR KITS HEATER REPAIR KIT 1 2 Mounting Screw 12-volt heater kit for dryers with date code 0994 and later. 2 1 Wiring Connector For all System Saver Series Air Dryers. 3 1 O-Ring 4 1 Wire - Heater 5 1 Heater 6 1 Thermostat 7 1 Plastic Retainer 8 1 Retainer Screw R950016 HEATER REPAIR KIT 1 2 Mounting Screw For all 24-volt System Saver Series Air Dryers. 2 1 Wiring Connector 3 1 O-Ring 4 1 Wire - Heater 5 1 Heater 6 1 Thermostat 7 1 Plastic Retainer 8 1 Retainer Screw 2-2
R950012 SS1200/SS1800 AIR DRYER REPAIR KITS REGENERATION VALVE KIT 1 1 Diaphragm Old style regeneration valve housing is no longer in 2 1 Cap production. Replaced by new valve housing with o-ring and 3 1 Compression Spring filter. For dryers with date codes earlier than 2295. For 4 1 Regeneration valve housing with o-ring and filter SS1200 and SS1800 models. 5 4 Capscrew 6 1 Filter 2 R950044 REGENERATION VALVE KIT 1 1 Diaphragm Old style regeneration valve housing is no longer in 2 1 Cap production. Replaced by new valve housing with o-ring and 3 1 Compression Spring filter. For dryers with date codes 2295 and later. For use with 4 1 Regeneration valve housing with o-ring and filter all System Saver Series Air Dryers. 5 4 Capscrew 6 1 Filter DIAPHRAGM R950045 For use with all System Saver series air dryers. R950013 TURBO CUT-OFF VALVE KIT 1 1 Plug If you are replacing the turbo cut-off valve on a 2 1 Retainer Ring System Saver 1200E air dryer, please contact 3 1 Cover Meritor WABCO at 800-535-5560 for part number information. 5 1 Compression Spring (Not used in SS1200U Air Dryers 6 1 Piston (valve) 7 1 Lip Seal 8 1 Grease Pak R950047 TURBO CUT-OFF VALVE KIT 1 1 Plug For use with 1200E air dryer with Econ Valve Kit. 2 1 Retainer Ring 3 1 Cover 5 1 Compression Spring (Not used in SS1200U Air Dryers 6 1 Piston (valve) 7 1 Lip Seal 8 1 Grease Pak 2-3
R950014 PURGE VALVE KIT SS1200/SS1800 AIR DRYER REPAIR KITS Note: Install washer with lip facing piston seat. Note: Shims 2 1 Washer may not be included in this kit. If not included, they are not 3 1 Piston O-Ring required. If included, they must be installed above and below 4 1 Piston Seat the spring. Kit is for use on all single cartridge dryers with U.S. 5 1 Piston (NPTF) ports. 6 1 Shim 7 1 Compression Spring 8 1 O-Ring 9 1 Valve Head 10 1 Retainer Ring 11 1 Grease Pak R955047 PURGE VALVE KIT Note: Shim (Item 5) may not be included with this kit. If not 2 1 Piston Assembly included, it is not required. If included, install below 3 1 Spring compression spring. For use with all System Saver Series Air Dryers. 5 1 Shim 6 1 Valve Body 7 1 Retainer Ring 8 1 Grease Pak R950017 OUTLET CHECK VALVE KIT Kit is for use on SS1200 and SS1800 air dryers with U.S. 3 1 Compression Spring (NPTF) ports. 4 1 Washer 5 1 Retainer Ring 6 1 Grease Pak R950018 BYPASS VALVE KIT Use on dryers with date code 0894 or earlier. Check date 3 1 Compression Spring code on dryer before ordering this kit. The date code appears on the i.d. tag on the face of the dryer. For use on SS1200 5 1 Cover and SS1800 Models. 6 1 Retainer Ring 7 1 Grease Pak 2-4
SRWABK085 SS1200/SS1800 AIR DRYER REPAIR KITS PRESSURE RELIEF VALVE KIT 1 1 Pressure Relief Valve Use on all System Saver Series dryers without integral relief 2 1 Street Tee Fitting valve. 2 PRESSURE RELIEF VALVE THREAD DIMENSIONS S2206-D-1226 Port: 3/8"-18 NPTF Valve sold separately or as part of kit SRWABK085. R950046 ECON VALVE KIT 1 1 Metal Washer Use on System Saver Series 1200E single cartridge air 2 1 Banjo Fitting dryers. 3 1 O-Ring 4 1 Metal Washer 5 1 Econ Valve 6 1 Nut 7 1 Compression Spring 8 1 Tube 9 1 Grease Pak ECON VALVE R955037 For use with Holset E-Type compressor on System Saver 1000 and 1200 air dryers. Not required on System Saver 1200E air dryers. PRESSURE-CONTROLLED CHECK VALVE (PC CHECK VALVE) LENGTH PORT THREAD S434 100 310 0 3-1/4".50"-14 NPTF Acts as a one-way check valve when pressue drops below 90 psi. PURGE SILENCER R950035 Optional part for all System Saver Series air dryers. Snaps to bottom of air dryer purge valve housing. Reduces noise level of air dryer purge. HEATER POWER HARNESS GAGE LENGTH SRWABC002 14-gage wire 12" Metri-Pack plug provides electrical connection to air dryer heating unit. 2-5
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MERITOR WABCO SYSTEM SAVER TWIN AIR DRYER REPLACEMENTS 2 REPLACEMENT KIT PART NO. (1) SERVICE EXCHANGE PART NO. CORE NO. CORE GROUP COMPRESSOR RATING ORIFICE SIZE DRYER VOLTAGE THREAD SIZES AIR DRYER PART NO. R955065 R955065NX XC3206 AD001 Less than 21 CFM 0.8mm 12-volt Supply Port: 1/2"-14 NPTF; S432 431 016 0 R955066 R955066NX 24-volt Delivery Port: 1/2"-14 NPTF; S432 431 017 0 R955010 R955010NX XC3205 21-35 CFM 1.0mm 12-volt Control Port: 1/4"-18 NPTF; S432 431 012 0 R955029 24-volt Mounting Holes: S432 431 014 0 R955083 Greater than 35 1.3mm 12-volt (3) 1/2"-13 UNC-2B S432 431 021 0 R955084 CFM S432 431 028 0 R955028 S432 431 013 0 R955030 24-volt S432 431 015 0 CARTRIDGE R950011 R950068 R950011 AIR DRYER PART NO. SERVICE EXCHANGE PART NO. CORE NO. CORE GROUP COMPRESSOR RATING ORIFICE SIZE DRYER VOLTAGE THREAD SIZES KIT PART NO. COMMENTS S432 431 016 0 S432 431 016 7 XC3206 AD001 Less than 21 CFM 0.8 mm 12-volt Supply Port: 1/2"-14 NPTF; R955065 Harness not included S432 431 017 0 S432 431 017 7 24-volt Delivery Port: 1/2"-14 NPTF; R955066 S432 431 012 0 S432 431 012 7 XC3205 21-35 CFM 1.0 mm 12-volt Control Port: 1/4"-18 NPTF; R955010 S432 431 014 0 24-volt Mounting Holes: R955029 S432 431 013 0 Greater than 35 1.3 mm 12-volt (3) 1/2"-13 UNC-2B R955028 S432 431 015 0 CFM 24-volt R955030 DESICCANT CARTRIDGE R950011 For use on System Saver 1000 and 1200 Series and TWIN air dryers. 1 Replacement Kit includes TWIN Air Dryer, Power Harness, Capscrews (Qty. 3) (1-3/8" Long), Lockwashers (Qty. 3), Standard TWIN Harness and TP-94104, TWIN Installation Guide (Not Shown). 2-7
MERITOR WABCO SYSTEM SAVER TWIN AIR DRYER REPLACEMENTS DESICCANT CARTRIDGE R950068 Coalescing version of System Saver 1200 and TWIN air dryer and other spin-on dryer applications. Improved oil separation verses conventional cartridges. Requires more frequent service intervals. WIRING HARNESSES SYSTEM SAVER TWIN AIR DRYER REPAIR KITS SRWABK072 3-Circuit wiring harness for heater, solenoid valve, and timer/solenoid. Use with Holset E-Type compressor systems only. For System Saver TWIN Models. R950041 2-Circuit wiring harness for heater and timer/solenoid. Use with standard (non E- Type) compressor systems. For System Saver TWIN Models. R955035 HOLSET E-TYPE COMPRESSOR KIT ITEM QTY DESCRIPTION 1 1 SRWABK072 Holeset E-Type Wiring Harness Use with Holset E-Type 2 1 R955037 Econ Valve compressor systems. For all 3 1 SRWABC015 Check Valve Assembly System Saver Series Air Dryers. 4 1 R955036 Solenoid Valve R950015 HEATER REPAIR KIT 1 2 Mounting Screw 12-volt heater kit for dryers with date code 0994 and later. 2 1 Wiring Connector For all System Saver Series Air Dryers. 3 1 O-Ring 4 1 Wire - Heater 5 1 Heater 6 1 Thermostat 7 1 Plastic Retainer 8 1 Retainer Screw 2-8
R950016 SYSTEM SAVER TWIN AIR DRYER REPAIR KITS HEATER REPAIR KIT 1 2 Mounting Screw For all 24-volt System Saver Series Air Dryers. 2 1 Wiring Connector 3 1 O-Ring 4 1 Wire - Heater 5 1 Heater 6 1 Thermostat 7 1 Plastic Retainer 8 1 Retainer Screw 2 R955067 R955050 R955049 ORIFICE KIT ORIFICE KIT ORIFICE KIT 1 1 Perforated Washer 0.8 mm Orifice. For System Saver TWIN Models. 2 1 Spring 3 1 Check Valve 5 1 O-Ring 6 1 Orifice 7 1 Snap Ring 8 1 O-Ring 9 1 Grease Pak 1 1 Perforated Washer 1.0 mm Orifice. For System Saver TWIN Models. 2 1 Spring 3 1 Check Valve 5 1 O-Ring 6 1 Orifice 7 1 Snap Ring 8 1 O-Ring 9 1 Grease Pak 1 1 Perforated Washer 1.3 mm Orifice. For System Saver TWIN Models. 2 1 Spring 3 1 Check Valve 5 1 O-Ring 6 1 Orifice 7 1 Snap Ring 8 1 O-Ring 9 1 Grease Pak CHECK VALVE ASSEMBLY SRWABC015 Assembly consists of check valve and pipe nipple. Use with Holset E-Type compressor systems. For System Saver TWIN Models. 2-9
ECON VALVE SYSTEM SAVER TWIN AIR DRYER REPAIR KITS R955037 Use with Holset E-Type compressor. May also be used as turbo cut-off or isolation valve. For System Saver TWIN Models. SOLENOID VALVE R955036 Use with Holset E-Type compressor. For System Saver TWIN Models. R955051 LEFT PISTON COVER KIT 1 1 Cover Does not include O-Rings which are part of the Seals and 2 4 Mounting Bolt Springs Kit, Part R955041. For System Saver TWIN Models. R955041 SEAL AND SPRING KIT - LEFT PISTON For System Saver TWIN Models. 2 1 O-Ring 3 1 Snap Ring 5 1 Snap Ring 6 1 O-Ring 7 1 Spring 8 2 O-Ring 9 1 O-Ring 10 1 Grease Pak R955042 PISTON KIT - LEFT 1 1 Piston For System Saver TWIN Models. 2 1 Spool 3 1 Lip Seal 4 1 Grease Pak 2-10
RIGHT PISTON COVER SYSTEM SAVER TWIN AIR DRYER REPAIR KITS DESCRIPTION R955054 Right Piston Cover Kit - Solenoid Cover Use with 12- or 14-volt solenoid and armature assy. Mounting hardware for cover included in Solenoid and Armature Kit (R955058 or R955045). For System Saver TWIN Models. 2 R955043 SEAL AND SPRING KIT - RIGHT PISTON For System Saver TWIN Models. 2 1 Spring 3 1 Snap Ring 5 1 Snap Ring 6 1 O-Ring 7 2 O-Ring 8 1 Grease Pak R955044 PISTON KIT - RIGHT 1 1 Piston For System Saver TWIN Models. 2 1 Lip Seal 3 1 Spool 4 1 Grease Pak SRWABK085 PRESSURE RELIEF VALVE KIT 1 1 Pressure Relief Valve Use on all System Saver Series dryers without integral relief 2 1 Street Tee Fitting valve. PRESSURE RELIEF VALVE THREAD DIMENSIONS S2206-D-1226 Port: 3/8"-18 NPTF Valve sold separately or as part of kit SRWABK085. R955053 CHARGING VALVE KIT 1 1 Piston Charging Valve Kit for System Saver TWIN Models. 2 1 Spring 3 1 Washer 5 1 Nut (Special) 6 1 Plug 7 1 Grease Pak 2-11
R955048 SYSTEM SAVER TWIN AIR DRYER REPAIR KITS OUTLET CHECK VALVE KIT Outlet Check Valve Kit for System Saver TWIN Models. 2 1 Check Valve 3 1 Conical Spring 4 1 Perforated Washer 5 1 Snap Ring 6 1 Grease Pak R950014 R955047 PURGE VALVE KIT PURGE VALVE KIT Note: Install washer with lip facing piston seat. Note: Shims 2 1 Washer may not be included in this kit. If not included, they are not 3 1 Piston O-Ring required. If included, they must be installed above and below 4 1 Piston Seat the spring. Kit is for use on all single cartridge dryers with 5 1 Piston U.S. (NPTF) ports. 6 1 Shim 7 1 Compression Spring 8 1 O-Ring 9 1 Valve Head 10 1 Retainer Ring 11 1 Grease Pak Note: Shim (Item 5) may not be included with this kit. If not 2 1 Piston Assembly included, it is not required. If included, install below 3 1 Spring compression spring. For use with all System Saver Series Air Dryers. 5 1 Shim 6 1 Valve Body 7 1 Retainer Ring 8 1 Grease Pak R955046 R955058 SOLENOID HARDWARE KIT 12 VOLT SOLENOID AND MOUNTING SLEEVE KIT 1 1 Armature & Spring Assy. System Saver TWIN Models hardware kit for Solenoid 2 1 O-Ring 3 1 Nut 4 1 Mounting Plate 5 1 O-Ring 6 1 Breather 7 1 O-Ring 8 4 Solenoid Cover Mtg Bolt 9 1 Grease Pak 1 1 Solenoid Sleeve Solenoid and Mounting Sleeve Kit for 12-Volt System Saver 2 1 Solenoid TWIN Models. 3 1 Grease Pak 2-12
R955045 SYSTEM SAVER TWIN AIR DRYER REPAIR KITS 24 VOLT SOLENOID AND MOUNTING SLEEVE KIT 1 1 Solenoid Sleeve Solenoid and Mounting Sleeve Kit for 24-Volt System Saver 2 1 Solenoid TWIN Models. 3 1 Grease Pak 2 BACK PRESSURE CONTROL VALVE R955039 Maintains adequate pressure at outlet of dryer to ensure proper dryer operation in high air usage appl. such as: Bulk Unloading Applications and Central Tire Inflation (CTI) Systems. For System Saver TWIN Models. PURGE SILENCER R950035 Optional part for all System Saver Series air dryers. Snaps to bottom of air dryer purge valve housing. Reduces noise level of air dryer purge. XpresswayPlus.ArvinMeritor.com Don't forget about using XpresswayPlus for: Ordering parts online Order status Reference Library Price and availability The Company Store Invoice Lookup Literature Parts Catalog Dealer/Distributor locator Online e-mail or phone numbers for Customer Service, Information Services, Marketing, Catalog, and esupport XpresswayPlus is easy to use, can reduce phone calls, and save you valuable time. 2-13