ZEESE336A Rev. A - Snap
Contents
1. Close both hose valves and disconnect hoses from adapters Reverse connection of hoses on adapters and Continue Drain and Fill process Continuous Flush The Snap on Coolant Exchange unit has the capability to perform a continuous flush with minimal connection changes Follow this procedure to perform a more thorough cleaning than typically achieved with a simple drain and fill operation such as when servicing contaminated or extremely dirty systems removing chemical cleaners etc 1 Follow steps 1 10 of Drain and Fill on page 12 to remove contaminated coolant from the vehicle s system 2 Turn Valve A counterclockwise to FLUSH position when stream of old coolant stops A Cooling system hoses will collapse 3 When vacuum gauge reading reaches 13 17 in Hg close recovery hose red valve Gauge should not deviate from 13 17 in Hg If gauge reading drops check system for leaks In some instances the vacuum gauge reading will not reach 13 17 in Hg due to the upper or lower radiator hose collapsing If this occurs continue to step 4 4 Disconnect recovery hose red from vehicle and connect Flush Drain Hose to vehicle at the same point Position other end of hose to desired container to collect flush water 5 Connect the fresh flush water to the Flush Water Inlet Hose on the rear of the Snap on Coolant Exchange unit This connection uses a standard garden hose fitting SK Proper2. OPEN CLOSED pesos red Valve CLOSED i CLOSED i CLOSED i CLOSED i CLOSED i Installation and Operation Tank Scale and Capacity Figure 5 Recovery and Supply Tank Sight Tube Level Indicators Tank Capacity 32 quarts Do not overfill the Supply Recovery Tanks If Recovery Tank becomes full an internal check valve will close and shut off vacuum to recovery tank and hose to prevent spillage Example of Use Vehicle cooling system capacity 8 quarts New coolant supply tank level indicator reading is 20 quarts Add fresh coolant to the vehicle until the level indicator shows 12 quarts remaining J The amount of coolant that goes into the vehicle equals the amount of coolant that goes into the recovery tank Verify that the recovery tank is not full and that there is enough room to complete a Drain and Fill process Always refer to manufacturer s capacity specifications to properly fill systems 10 Installation and Operation Preparing Vehicle for Service Engine cooling systems run at high temperatures and pressures Allow coolant system to cool before attempting service A w Pressurized engine coolant may be 1 hot and cause injury Remove radiator or surge tank cap after coolant system has cooled Pressure Test Perform a pressure test on vehicle cooling system before draining or refilling the system Follow this procedure to pressure test t
3. connection Hose end valves not all closed Recovery tank full The check valve on recovery tank has closed shutting off vacuum to recovery tank and hose Recovery and supply hose connections reversed Recovery hose strainer is blocked with debris Supply tank level too low before starting drain and fill process Manual valve on optional recycler kit not in BYPASS position pressure 30 90 PSI 206 8 620 5 kPa Check all hoses connected to surge tank and or overflow are pinched off and sealed Check shop air hose connections and fittings Close all unused hose end valves such as recovery tank drain hose valve Drain recovery tank refer to Power Drain Recovery Tank Reverse recovery and supply hose connections refer to Drain and Fill Clean strainer refer to Cleaning Recovery Hose Strainer Add coolant to supply tank and repeat drain and fill cycle Place valve in BYPASS position 18 One 1 Year Warranty Professional Use The Snap on company distributing the equipment identified in this Operator s Manual Snap on provides the following warranty to customers who purchased the equipment from an authorized Snap on distribution channel for use in their profession Buyer Snap on warrants that the equipment will be free from defects in workmanship and materials for a duration of one 1 year from the original invoice date Consumable products are warranted at the time of sale o
4. expelling fuel oil vapors hot steam hot Risk of fire toxic exhaust gases and other debris e Wear safety goggles and protective gloves user and bystander Everyday eyeglasses only have impact resistant lenses they are NOT safety glasses Do not position head directly over or in front of carburetor or throttle body Engine backfire can occur when air cleaner is out of normal position e Keep a dry chemical Class B fire extinguisher rated for gasoline chemical electrical fires in the work area Fire can cause death or serious injury WARNING A Risk of entanglement Do not place test equipment or tools on fenders or other places in engine compartment e Keep yourself clothing and tester leads clear of moving parts such as fan blades pulleys hood and doors e Barriers are recommended to help identify danger zones in test area e Prevent personnel from walking through immediate test area Contact with moving parts can cause injury WARNING Risk of burns Do not remove radiator cap unless engine is cold Pressurized engine coolant may be hot Burns can cause injury Fuel oil vapors hot steam hot toxic exhaust gases and other debris can cause serious injury WARNING Risk of burns Do not touch hot exhaust systems manifolds engines radiators etc e Wear gloves when handling hot engine components Hot components can cause injury A WARNING Risk of unexpecte
5. the old coolant recovery tank is empty close the valve on the recovery tank drain hose and return the manual valve on the optional recycling kit to the BYPASS position Maintenance Use this chapter to maintain the Snap on Coolant Exchange unit 4 Troubleshooting information and a list of parts and accessories are also included 15 Maintenance Recovery Hose Strainer The Snap on Coolant Exchange unit is equipped with an inline filter strainer on the recovery hose red This reduces the amount of debris entering the equipment Excess sludge debris or chemical stop leak will result in slow operation or malfunction of the Snap on Coolant Exchange unit The recovery hose red strainer screen needs to be inspected after every Drain and FIII operation It should be cleaned as soon as visible sludge or debris is present on the screen refer to Cleaning Recovery Hose Strainer 4 Failure to clean the screen will result in debris buildup on the screen which will allow little or no coolant to pass through and slow down or stop the drain cycle from working A WARNING DO NOT OPERATE THE UNIT WITH THE STRAINER SCREEN REMOVED Operation of the unit without the filter strainer screen in place will allow sludge debris or chemical stop leak to enter the unit and possibly cause clogging of the unit internally Cleaning Recovery Hose Strainer The recovery hose red strainer screen needs to be
6. R A PARTICULAR PURPOSE Snap on and its affiliated companies shall not be liable for any incidental special or consequential losses costs or damages incurred by Buyer or others directly or indirectly arising from the sale handling or use of the products or from any other cause with respect to the products or this warranty whether such claim is based upon breach of contract breach of warranty Strict liability in tort negligence or any other legal theory including without limitation lost profits revenues anticipated sales business opportunities goodwill or interruption of business or other injury or damage To the extent allowed by applicable law this warranty and all rights and obligations hereunder including matters of construction validity and performance shall be governed by the substantive laws of the State of Wisconsin without giving effect to the principles of conflicts of law thereof The Snap on Warranty Information Center 2801 80th Street Kenosha Wisconsin 53143 ZEESES336A Rev A 2003 SNAP ON TOOLS COMPANY Printed in U S A
7. SNAIL USER S MANUAL SAI Coolant Exchange Drain and Fill with Continuous Flush Snap on Coolant Exchange User s Manual Table of Contents SAIC ETT erates Ald E AE ures 2 Introduction ciiciiesiccatveisenrienersearensesnnes 5 Functional Description cece 5 Front Panel iiti aaaea aa 5 Back Panel sceeeeeeeeeeeeeeeeeeaeeees 6 Control Panel ccccseeeeeeeeeeeeeeeeeees 6 ACCESSOSIES ccceeeeeeeeeeeeeeeeeeeeeeneees 6 Control Panel Key Terms 0008 7 Specifications ceeeeeeceeeeeeeteeeeeeeeeeeeeeees 7 Installation and Operation 00 7 Testing TIPS Caraipa 7 Valve Position Chart cccccseceeeneeeeeeees 8 Tank Scale and Capacity ceeeee 10 Preparing Vehicle for Service 0 11 Pressure Test menirroina egita 10 Drain and Fill cccceeeeeeeeeeeeeeeeeeeeeees 12 Continuous FIUSN cccceeeeeeeeeeeeeeeeees 14 Power Drain Recovery Tank sss 15 Recycle Used Coolant from Recovery Tank ceeceeeeeseeeeeeeeeeaeeeeeneees 15 Maintenance 2 c1sceseeeceeeeneensensenees 15 Recovery Hose Strainer 16 Cleaning Recovery Hose Strainer 16 Cleaning New Coolant Supply Filler Neck Screen cccccseeeeeeeeeeeeeees 16 Changing Filter Cartridges on Optional Recycler Hit ece 17 Replacement Parts ecce 17 Optional Accessories 0ccceeeee 17 Troubleshooting eeeeee
8. cess Power Drain Recovery Tank The recovery tank needs to be drained when full Shop air is diverted to the recovery tank to assist the draining process Follow these steps to drain the recovery tank 1 Close all hose valves on Snap on Coolant Exchange unit 2 Turn Valve A to DRAIN position 3 Turn Valve B to RECYCLE position J Always keep manual valve on optional recycler kit in the BYPASS position except when recycling coolant 4 Turn the air regulator valve counterclockwise until it stops 5 Connect shop air to the rear of the Snap on Coolant Exchange unit and adjust air regulator valve to achieve 8 12 PSI 6 Turn drain hose valve on the rear of the unit ON and drain used coolant S Properly dispose or recycle used coolant Recycle Used Coolant from Recovery Tank Used coolant in the recovery tank can be filtered using the optional Drain and Fill Add on Recycler Option Kit see Optional Accessories on page 17 If the optional recycler kit is installed follow these steps to recycle coolant 1 Follow steps 1 5 in Power Drain Recovery Tank 2 Turn manual valve on recycler kit to RECYCLE position 3 Position the end of drain hose to direct filtered coolant into the new coolant supply tank or other coolant collection container 4 Open drain hose valve and drain filtered coolant S Add proper inhibitor additives to the filtered coolant per manufacturer s recommendation 5 When
9. d vehicle movement e Block drive wheels before performing a test with engine running e Unless instructed otherwise set parking brake and put gear selector in neutral for standard transmissions or park for automatic transmissions e If vehicle has an automatic parking brake release disconnect release mechanism for testing and reconnect when testing is completed e Do not leave a running engine unattended A moving vehicle can cause injury Safety Information WARNING Misdiagnosis may lead to incorrect or improper repair and or adjustment Do not rely on erratic questionable or obviously erroneous test information or results If test information or results are erratic questionable or obviously erroneous make sure that all connections and data entry information are correct and that the test procedure was performed correctly If test information or results are still suspicious do not use them for diagnosis Contact Snap on customer services Improper repair and or adjustment may cause vehicle or equipment damage or unsafe operation WARNING Risk of flying particles e Wear safety goggles user and bystander Rotating engine parts can cause flying particles e Make sure gauge reads zero before connecting or disconnecting hose connections to adapters e Make sure cooling system pressure has been relieved before connecting or disconnecting hose connections and adapters e Make sure gauge reads zero be
10. duct subjected to abnormal use Abnormal use includes misuse accident modification alteration unreasonable or improper use abuse neglect lack of maintenance use in product related service or use after the equipment is significantly worn Further this warranty does NOT cover any damage to or inoperability or improper operation of the product caused by resulting from or attributable to 1 installation or maintenance 2 fire water wind lightning or other natural causes 3 damage caused by adverse environmental conditions including without limitation excessive heat moisture corrosive elements dust or other air contaminants radio frequency interference electric power failure power line voltages beyond those specified for the equipment unusual physical electrical or electromagnetic stress and or any other condition outside of Snap on s environmental specifications 4 use of the product in combination or connection with other equipment attachments supplies or consumables not manufactured or distributed by Snap on or 5 failure to comply with any applicable federal state of local regulation requirement or specification governing emission analyzers and related supplies or consumables THE FOREGOING WARRANTY IS IN LIEU OF AND EXCLUDES ALL OTHER WARRANTIES NOT EXPRESSLY SET FORTH HEREIN WHETHER EXPRESS OR IMPLIED BY OPERATION OF LAW OR OTHERWISE INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FO
11. eecceseeeee Radiator Adapter J See chemical manufacturers Assembly 28mm 1 1 8 instructions for adding conditioners EAAO195L26AR Radiator Adapter to recycled coolant Assembly 1 1 4 to 1 3 8 EAAO195L27AR 00 Radiator Adapter 1 PEUEUE pressure in Recovery Tank as Assembly 1 1 2 to 1 3 4 oe 8 850 Hose Pinch Pliers L Turn Air Inlet Valve to OFF B50 ean ose Pinch Pliers Large 8 950 anaana Hose Pinch Pliers Medium Turn Valve A to DRAIN i 8 1150 eee Hose Pinch Pliers Small Turn Valve B to NORMAL 5 06235A 030 Rubber Coolant H Close both the red and blue vehicle i b ieee 1 18 LD hose valves j ie Place recovery hose into a suitable 5 4835 030 Rubber cre container to catch fluid s is Slowly open the recovery hose red 5 4935 030 Rubber saan Bie valve to relieve pressure at the filters i fae Allow pressure to completely vent 5 5035 030 Rubber ae inen close fecovery Nose a vave B 5195 030 sescessseenese Rubber Coolant Hose 2 Carefully remove filter housing housing 1 3 4 I D will be full of fluid Use the supplied EAK0239L05A 0688 Strainer and Filter filter wrench to loosen if necessary 3 Discard used filter cartridges Rinse out filter housings 4 Clean o ring on housing if necessary and Bowl Kit for Recovery Hose Includes Gaskets Optional Accessories make sure it is pro
12. eeeeeeneeeeeeeeeenees 18 Table of Illustrations Introduction Figure 1 Front Panel seenen 5 Figure 2 Back Panel eerren 6 Figure 3 Control Panel asce 6 Figure 4 Snap on Coolant Exchange Accessories noriai Metal ied erate 6 Installation and Operation Figure 5 Recovery and Supply Tank Sight Tube Level Indicators eeeeeeeee 10 Figure 6 Recovery Hose and Adapter Attached to Radiator eec 11 Table 1 Cooling System Pressure Ranges Seran cattnectuel av E a aas 12 Maintenance Figure 7 Pinched Off Overflow Hose 13 Figure 8 Strainer Assembly ec 16 Figure 9 Filler Neck and Screen 16 Trademark Acknowledgements Snap on is a registered trademark of Snap on Technologies Inc USA and Canada EquiServ is a registered trademark of Snap on Tools Company USA EquiServ is a registered trademark of Snap on Technologies Inc Canada Snap on Coolant Exchange is a trademark of Snap on Technologies Inc USA and Canada Copyright Information Snap on Coolant Exchange User s Manual 2003 Snap on Technologies Inc The information specifications and illustrations in this manual are based on the latest information available at the time of printing Snap on Technologies Inc reserves the right to make changes at any time without notice Safety Information Safety Information Safety Notice For your safety read this manual thoroughly before operating your Snap on Coo
13. eplace radiator or surge tank cap 14 Open air inlet valve and supply hose blue valve Make sure recovery hose red valve remains closed 15 SLOWLY turn the air regulator knob clockwise until gauge pressure reaches the cooling system pressure rating Cooling system pressure rating can be found on radiator cap or verify rating in owner s manual or factory repair manual 4 Never exceed manufacturer s rated pressure 16 Turn Valve A to VACUUM TEST position when gauge reads the specified pressure and inspect cooling system for leaks If Leak is Found 1 Close air inlet valve on rear of unit NORMAL 2 Turn Valve A to DRAIN position DRAIN lt S 3 Close supply hose blue valve when gauge reads zero 11 Installation and Operation 4 Drain coolant from vehicle cooling system using the Snap on Coolant Exchange unit and refer to Drain and Fill in this section S DO NOT refill the system skip fill instructions 5 Disconnect Snap on Coolant Exchange unit from vehicle and repair leak 6 After leaks are repaired repeat Pressure Test If No Leaks are Found but Pressure Gauge Drops 1 Observe pressure gauge 2 Pressure should not drop below pressure indicated in Table 1 after 1 minute No pressure drop proceed to Drain and Fill in this section 3 If pressure drops check radiator and or surge tank cap s for inadequate holding capacity If a
14. ery red hose valves and observe old coolant flowing through the recovery hose into the recovery tank S A pulsating recovery hose red is a normal condition while draining 12 13 14 15 16 17 18 19 20 21 22 23 Turn Valve A clockwise to VACUUM TEST position when stream of old coolant stops A Cooling system hoses will collapse When vacuum gauge reading reaches 13 17 in Hg close recovery hose red valve Gauge should not deviate from 13 17 in Hg If gauge reading drops check system for leaks In some instances the vacuum gauge reading will not reach 13 17 in Hg due to the upper or lower radiator hose collapsing If this occurs continue to step 14 Turn Valve A clockwise to FILL position A rush of new coolant will pass through the supply hose and into vehicle s cooling system When gauge reads 8 12 PSI open recovery hose red valve to allow more old coolant to flow out of vehicle cooling system Close recovery hose red valve when coolant flow through recovery hose turns from old to new coolant Close supply hose blue valve Remove recovery hose red and supply hose blue quick couplers from adapters Open recovery hose red valve for about 2 seconds to bring coolant level low enough to remove adapters with minimal spillage Reinstall upper radiator hose to the engine radiator Remove radiator or surge tank cap Remove all hose pinch
15. fore removing supply tank cap Flying particles can cause eye injury SAVE THESE INSTRUCTIONS Using this Manual This manual contains instructions for use and setup of your Snap on Coolant Exchange unit A table of contents and table of illustrations are provided to make this manual easy to use Some of the information shown in text or illustrations is obtained using optional equipment Conventions This section contains a list of conventions used in text Check Note A check note provides additional information about the subject in the preceding paragraph Example 4 A pulsating recovery hose is a normal condition while draining Equipment Tips Equipment tips provide information that applies to specific equipment Each tip is introduced by this icon O for easy identification Example O When servicing coolant systems the coolant in the overflow bottle should also be removed Use the suction wand to remove the coolant Safety Information Introduction Safety Messages Safety messages are provided to help prevent personal injury and equipment damage All safety messages are introduced by a signal word indicating the hazard level The types of safety messages are A DANGER Indicates an imminently hazardous situation which if not avoided will result in death or serious injury to the operator or to bystanders A WARNING Indicates a potentially hazardous situation which if not avoided co
16. he cooling system Refer to Valve Position Chart in this section for proper valve positioning during operations 1 Turn Valve A to Turn Valve B to Follow the steps in Preparing Vehicle for Service Close all hose valves and air inlet valve on Snap on Coolant Exchange unit NORMAL DRAIN position DRAIN lt S NORMAL position J Always keep manual valve on optional recycler kit in the BYPASS position except when recycling coolant Pull to unlock air regulator knob and turn counterclockwise until it stops Connect shop air to Snap on Coolant Exchange unit J Maximum input air pressure should not exceed 90 PSI 620 5 kPa Attach suction wand to the recovery hose red Open air inlet valve and recovery hose valve See page 6 Figure 2 Use suction wand to extract coolant from radiator or surge tank until coolant level is below upper radiator hose port Close recovery hose valve Close air inlet valve if desired to reduce noise 10 Disconnect upper radiator hose from radiator thermostat housing or intake manifold 11 Connect recovery hose red and adapter to radiator side of disconnected radiator or hose See Figure 6 Figure 6 Recovery Hose and Adapter Attached to Radiator A Recovery Hose red B Supply Hose blue 12 Connect supply hose blue and adapter to engine side of disconnected radiator hose See Figure 6 13 R
17. inspected after every Drain and Fill operation It should be cleaned as soon as visible sludge or debris is present on the screen Follow this procedure to clean the strainer screen 1 Unscrew strainer bowl from housing J Be careful not to lose rubber bowl gasket 2 Remove strainer screen and clean with running water and or wipe clean with a shop towel J Be careful not to deform strainer screen 3 Clean rubber gasket if necessary 4 Reinstall strainer screen rubber gasket and strainer bowl Strainer bowl should be installed onto housing finger tight Do not overtighten strainer bowl Figure 8 Strainer Assembly Cleaning New Coolant Supply Filler Neck Screen Used to protect against debris or other foreign objects that may fall into the new coolant supply tank Foreign objects should be removed as soon as visible Follow this procedure to clean the filler neck screen if necessary ci SEE Figure 9 Filler Neck and Screen 1 Lift screen from filler neck Clean with running water and or wipe clean with a shop towel W Be careful not to deform filler neck screen 2 Reinstall filler neck screen into filler neck 4 Make sure screen falls flat in place 16 Maintenance Changing Filter Cartridges on Optional Recycler Kit Replacement Parts Part Number Description Change filter elements when coolant flow EAAO196L47AR 000000 a eee pecomesitesnicied EAAO195L31AR e
18. ional recycler kit Specifications Dimensions Height Width Depth 41 5 33 25 75 Weight 123 Ibs tanks empty Power Compressed shop air 90 PSI Maximum Input Pressure Operating Temperature 35 to 120 F 1 7 to 48 9 C Storage Temperature Tanks Empty 4 to 150 F 20 to 65 5 C Installation and Operation Testing Tips O When servicing coolant systems the coolant in the overflow bottle should also be removed and the bottle flushed with clean water Use the suction wand to remove the coolant O When performing a Pressure Test if coolant seeps into the overflow bottle before the system is at the pressure specified on the radiator cap the pressure relief valve is bad and the radiator cap needs to be replaced O Always remove and inspect the underside of the radiator cap for cracked seal damaged spring or excessive rust or contamination O DO NOT OVER FILL THE SYSTEM O Always refer to manufacturer s capacity specifications to properly fill systems O Normal expansion rate for coolant is 4 7 Fill overflow bottle after the engine reaches normal operating temperature to assure system will not be overfilled An overfilled system will seep any additional coolant during normal system expansion O When looking for coolant leaks Check all hose connections prior to in operation and after all tests are performed Check heater core water pump thermostat housing freeze plugs and
19. ir or coolant is venting into overflow reservoir or out of the surge tank at pressures below those specified in Table 1 replace the radiator or surge tank cap 4 If pressure drops and radiator or surge tank cap is okay a leaky head gasket or other internal engine problem may exist Consult factory service and diagnosis procedures for vehicle cooling system 5 Disconnect Snap on Coolant Exchange unit from vehicle and repair leak 6 After leaks are repaired repeat Pressure Test If No Leaks are Found and Pressure Gauge is Stable 1 Pressure test is complete 2 Close air inlet valve on rear of unit 3 Turn Valve A to DRAIN position 4 Perform Drain and Fill if desired Radiator or Surge Cap Pressure Ranges Minimum Pressure 3 Ibs 6 Ibs 9 Ibs 12 Ibs 14 Ibs 16 lbs 18 lbs 28 Ibs Cap Rating 4 PSI Cap 7 PSI Cap 10 PSI Cap 13 or 14 PSI Cap 15 or 16 PSI Cap 18 PSI Cap 20 PSI Cap 30 PSI Cap Subtract one Ib from Ibs reading for used caps e g 15 or 16 PSI Cap would be 13 Ibs Table 1 Cooling System Pressure Ranges Drain and Fill Conventional Thermostat Location Follow this procedure to drain and fill the cooling system S Check filter screen on recovery hose red to make sure it is free of debris or other contaminants refer to Maintenance section 1 Turn the air regulator valve counterclockwise until it stops 2 Verify recovery tank of Snap on Coolant Exchange
20. lant Exchange unit Your Snap on Coolant Exchange unit is intended for use by properly trained skilled professional automotive technicians The safety messages presented below and throughout this user s manual are reminders to the operator to exercise care when using this unit There are many variations in procedures techniques tools and parts for servicing vehicles as well as in the skill of the individual doing the work Because of the vast number of test applications and variations in the products that can be serviced with this instrument Snap on cannot possibly anticipate or provide advice or safety messages to cover every situation It is the automotive technicians responsibility to be knowledgeable of the system that is to be tested It is essential to use proper service methods and test procedures and to perform tests in an appropriate and acceptable manner that does not endanger your safety the safety of others in the work area the vehicle or equipment being tested It is assumed that the operator has a thorough understanding of vehicle cooling systems before using the Snap on Coolant Exchange unit This understanding of principles and operating theories is necessary for competent safe and accurate use of this instrument Before using your Snap on Coolant Exchange unit always refer to and follow the safety messages and applicable test procedures provided by the manufacturer of the vehicle or equipmen
21. ly dispose of used flush water S Do not use hot water 6 Open valve on Flush Water Inlet Hose on the rear of the unit 7 Allow flush operation to proceed until water runs clear Vehicles with heater hoses attached to engine Continuous flush will flush both the engine and the heater core at the same time Be sure to set the vehicle temperature controls to heat so that any water control valves between the engine and the heater are open Vehicles with heater hoses attached to the radiator Heater hose attached to the radiator must remain pinched off until engine flush is done then remove the pinch pliers to flush the heater core Reattach the pinch pliers to this hose in step 10 8 When finished flushing close valve on Flush Water Inlet Hose rear of unit 14 Installation and Operation Maintenance 9 Disconnect Flush Drain Hose from vehicle and reconnect the recovery hose red at the same point 10 Open recovery hose red valve and turn Valve A to DRAIN position to resume the drain and fill process Observe flush water flowing through the recovery hose red into the recovery tank S Reattach the pinch pliers to the heater hose that is attached to the radiator Continue the Drain cycle until all flush water is removed S A pulsating recovery hose red is a normal condition while draining 11 Complete steps 12 26 of Drain and Fill operation to complete the drain and fill pro
22. nly against defects in workmanship and materials that prevent their use Consumable products are goods reasonably expected to be used up or damaged during use including but not limited to drill bits saw blades grinding discs sanding discs knife blades leads probes external hoses adapters files O2 sensors and batteries Snap on does not provide a warranty for accessories used with the equipment that are not manufactured or distributed by Snap on This warranty only extends to the original Buyer and cannot be transferred or assigned No warranty is provided with filter elements During the stated warranty period at its option Snap on will repair or replace the product which fails to give satisfactory service due to defective workmanship or materials or provide a refund by repaying or crediting Buyer with an amount equal to the purchase price of the product Repair replacement or refund shall be at the sole election and expense of Snap on and is Buyer s exclusive remedy in place of all other rights and remedies To obtain warranty service contact Snap on or a Snap on representative or dealer All requests for warranty service must be made during the stated warranty period and proof of purchase must be provided with all warranty service requests By repairing or replacing the product or providing a refund Snap on does not waive a claim that the product nevertheless has been subject to abnormal use Snap on does NOT provide any warranty for pro
23. perly seated in the EAKO239L01B Drain and Fill Add on groove Recycler Option Kit 5 Insert the new filter cartridges making eee a eee se ee Eoi sure the 20 micron filter is on the left and 1W12681 ae tera leron EEA Ler the 5 micron filter is on the right when 2 Soo o oomunn O pes ance Mewed rom NEAT 8 750 seco earen paani Filter Wrench 6 Screw filter housings onto caps and EAK0239L02A Extended Adapter Kit hand tighten DO NOT OVERTIGHTEN for 2 2 1 4 and 2 1 2 hose I D For service or to order replacement parts contact EquiServ or call 1 800 225 5786 17 Maintenance Troubleshooting Symptom Possible Cause Remedy Check shop air pressure 30 90 PSI 206 8 620 5 kPa Connect shop air hose to air inlet valve Machine does not work works very slow or gauge pressure does not reach desired reading e Low or no shop air pressure e Shop air not connected to machine e Leaky hose or connection Check shop air and Coolant Exchange hose connections and fittings e Supply tank fill cap off or not Install or tighten filler tight cap check gasket in cap Gauge does not reach e Low shop air pressure Check shop air desired vacuum during evacuation cycle Machine drains very little or no coolant during drain cycle Machine does not completely fill cooling system with new coolant Hose s not pinched off on surge tank or overflow tank Leaky hose or
24. pliers from hoses Fill overflow reservoir or surge tank with new coolant to proper level Top off radiator with new coolant if applicable The supply hose blue can be used with the suction wand to top off the cooling system To fill Connect suction wand to end of supply hose blue Turn Valve A to FILL position Open air supply and supply hose valves 13 Installation and Operation 24 Reinstall radiator or surge tank cap S If cooling system contains a bleed screw or cap follow manufacturers instructions to ensure the system is properly purged of air 25 Start vehicle engine and allow it to run until it reaches normal operating temperature and the thermostat has opened Verify vehicle s heat is operating properly while engine is running 26 After coolant has cycled through the engine let the engine cool down and recheck the freeze point of the coolant S Pressurized engine coolant may be hot and cause injury Alternate Thermostat Location On some vehicles the thermostat is located at the point where the lower radiator hose is connected to the engine 1 These applications may require connecting the recovery hose red to the engine side and the supply hose blue to the radiator side of the upper radiator hose 2 If insufficient coolant flow is observed in the recovery hose red during drain cycle Close air inlet valve Wait for gauge to read zero
25. pters Used to connect recovery red and supply blue hoses to the vehicle cooling system Adapters sizes are 1 1 4 1 3 8 1 1 2 1 3 4 and 28mm 1 1 8 D Flush Water Drain Hose not shown Use to drain water from the vehicle during the continuous flush operation Introduction Installation and Operation Control Panel Key Terms Use the following definitions for a description of control panel figures Mm REGULATOR Changes the air pressure setting higher or lower Pull knob out to unlock position Push knob in to lock position Control Valve A DRAIN Air pressure is applied to the supply hose blue to assist in cooling system draining or to apply pressure for the pressure test VACUUM TEST The supply hose blue is closed to allow a vacuum to evacuate the remainder of the coolant in the cooling system during the drain process or to isolate the cooling system during the pressure test FILL New coolant from the supply tank is directed through the supply hose to fill the cooling system FLUSH The unit is in the Continuous Flush mode A flush operation can be conducted with an external water supply for an unlimited amount of time Control Valve B NORMAL The unit is in the mode for all drain and fill operations including suction wand pressure test and flush RECYCLE The unit is in the mode for draining the recovery tank or directing its contents through the opt
26. radiator for any visible leaks Water pumps are sometimes located under timing belt covers If leaks are evident but no visible leaks are found check the internal engine The leak may be from a cracked head head gasket intake etc Installation and Operation Valve Position Chart SUCTION WAND DRAIN EVACUATE HOLD VACUUM FILL Refer to this quick reference for correct valve positions during operations Valve A Valve B Supply Hose Recovery Hose blue Valve red Valve CLOSED OPEN NORMAL DRAIN lt S OPEN OPEN NORMAL DRAIN lt i OPEN OPEN VACUUM TEST NORMAL OPEN CLOSED VACUUM TEST NORMAL a he i OPEN CLOSED NORMAL gt F a he Installation and Operation Valve A Valve B TOP OFF COOLING SYSTEM NORMAL gt F PRESSURE TEST APPLY PRESSURE NORMAL DRAIN lt a PRESSURE TEST HOLD PRESSURE VACUUM TEST NORMAL 4 Flush water inlet hose valve must be closed during all of the preceding operations CONTINUOUS WATER FLUSH NORMAL FLUSH 4 Recovery tank drain hose valve must be closed during all the preceding operations DRAINING THE RECOVERY TANK or RECYCLING USED COOLANT If equipped with optional recycler kit DRAIN lt D RECYCLE 4 Recovery tank drain hose valve must be open and Valve B must be in the RECYCLE down position during this operation Supply Hose Recovery Hose blue Valve N Dom m OPEN OPEN
27. t Recovery Tank Sight Tube Sight tube used to determine level of used coolant in recovery tank D Control Panel Houses air regulator valve pressure gauge and control valves A and B E Tray Use for tool and adapter storage Introduction Back Panel Figure 2 Back Panel A Supply Tank Hose blue and Valve B Recovery Tank Hose red and Valve C Recovery Hose Strainer Strainer used to filter large contaminants from recovered coolant D Power Drain Hose and Valve Used for draining of recovery tank E Air Inlet Valve Switches shop air supply ON or OFF F Flush Water Inlet Hose and Valve Used to connect water supply hose to Snap on Coolant Exchange unit Control Panel Figure 3 Control Panel A Control Valve A Switches Snap on Coolant Exchange unit between DRAIN VACUUM TEST FLUSH and FILL operations B Control Valve B Switches Snap on Coolant Exchange unit between NORMAL and RECYCLE operations C Air Regulator Valve Used to regulate air pressure applied to cooling system D Air Pressure Vacuum Gauge Used to monitor pressure and vacuum applied to cooling system Accessories Figure 4 Snap on Coolant Exchange Accessories A Suction Wand Used to extract coolant from radiator or surge tank to lower coolant level B Hose Pinch Pliers Small medium and large pliers Used to pinch off hoses C Multi size Hoses and Ada
28. t being tested Read All Instructions Read understand and follow all safety messages and instructions in this manual Safety messages in this section of the manual contain a signal word with a three part message and in some instances an icon The signal word indicates the level of the hazard in a situation A DANGER Indicates an imminently hazardous situation which if not avoided will result in death or serious injury to the operator or bystanders A WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury to the operator or bystanders AcauTIon Indicates a potentially hazardous situation which if not avoided may result in moderate or minor injury to the operator or bystanders IMPORTANT Indicates a situation which if not avoided may result in damage to the equipment or vehicle Safety messages in this section contain three different type styles e Normal type states the hazard e Bold type states how to avoid the hazard e Italic type states the possible consequences of not avoiding the hazard An icon when present gives a graphical description of the potential hazard Safety Information IMPORTANT SAFETY A WARNING INSTRUCTIONS i General Risk of expelling fuel oil vapors hot steam hot toxic exhaust gases and other debris A WARNING e Wear safety goggles and protective clothing user and bystander A e Engine systems can malfunction
29. uld result in death or serious injury to the operator or to bystanders CAUTION Indicates a potentially hazardous situation which if not avoided may result in moderate or minor injury to the operator or to bystanders Some safety messages also contain visual symbols with signal words Example WARNING OA Engine systems can malfunction expelling fuel oil vapors hot steam hot toxic exhaust gases acid refrigerant and other debris Wear safety goggles and protective gloves user and bystander Everyday eyeglasses only have impact resistant lenses they are NOT safety glasses Engine systems that malfunction can cause injury Introduction The Snap on Coolant Exchange unit part number EESE336A is a device that removes and refills engine coolant and also pressure tests the cooling system Coolant is extracted and refilled through the upper radiator hose connection without the vehicle engine running Before coolant refill a vacuum is applied to the cooling system to eliminate any air in the system This coolant unit also has the capability to flush the cooling system for an extended amount of time using water from an external source Functional Description Front Panel Figure 1 Front Panel A New Coolant Supply Tank Fill Port Filler neck for supply tank reservoir B New Coolant Supply Tank Sight Tube Sight tube used to determine level of fresh coolant in supply tank C Old Coolan
30. unit is not full and there is enough room left to complete a Drain and Fill process 3 Verify supply tank level of Snap on Coolant Exchange unit is adequate enough to complete a Drain and Fill process S Add the proper mixture of antifreeze coolant and water to new coolant supply tank fill port S Check vehicle owner s manual for cooling system capacity 12 Installation and Operation 4 Pinch off overflow hose between radiator neck and overflow reservoir with supplied hose pinch pliers 5 Turn Valve A to Turn Valve B to Figure 7 Pinched Off Heater Return Hose S On vehicles with a heater return hose connected to the radiator pinch off heater hose also This is required to ensure that the drain and fill process does not bypass the engine block by going through the heater core Use two or three hose pinch pliers to pinch off hoses connected to surge tank including the overflow hose connected to the surge tank neck if applicable Make sure all tester hose valves are closed Make sure adapters and hoses are connected to vehicle as described in Pressure Test on page 11 NORMAL DRAIN position DRAIN lt S NORMAL position J Always keep manual valve on optional recycler kit in the BYPASS position except when recycling coolant Open air inlet valve on rear of unit Adjust air regulator to 8 12 PSI See Figure 3 C Open supply blue and recov
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