PNEUMATIC / SNUFF BACK
Contents
1. offers standard and high wide ratio manifolds to reduce this problem The selection of the correct manifold depends on both the volume and viscosity ratio of A and B Consult Technical Services for details at 800 LOCTITE 2 Adjust snuff back screw for minimum snuff back Too much snuff back may draw product into the mixer and cause curing Remote Dispense Valve MAINTENANCE Two component adhesives are messy and difficult to handle It is important to note that Routine Maintenance must be observed If one delays maintenance until the valve stops clean up is very time consuming ROUTINE MAINTENANCE 1 Release pressures in A and B fluid hoses Remove manifold and clean We recommend overnight soaking in a suitable solvent 2 Atthe end of each shift lubricate the back seals Pump grease through the grease fitting 4 and out the plug 11 Using extra grease will extend seal life 3 To clean the spool valves 75 first release the pressure on the A and B fluid hose Then remove the manifold and advance the snuff back adjustment until the spool valves are protruding from the seat plate 8 With a toothbrush or rag soaked in solvent brush the spool valves clean Protective eyeglasses should be used Note With moisture sensitive urethanes or epoxies the spool valves must be cleaned After cleaning coat the spool valves with grease Reference Loctite 997569 4 The O Rings 6 and Lip Seals 3 are in a ve2. generally a temporary condition SWALLOWING Due to the nature of this material it is difficult to swallow however single dose toxicity for each component is considered to be low Small amounts swallowed incidental to normal handling and use are unlikely to cause harmful effects although swallowing large amounts may be harmful The petroleum based component in this product is considered an aspiration hazard During swallowing or vomiting this material can enter the lungs and cause inflammation and or damage The liquid may also be absorbed through the lungs and result in injury to other body systems FIRST AID EYES If symptoms develop move individual away from exposure and into fresh air Flush eyes for at least 15 minutes while holding eyelids apart SKIN Remove any contaminated clothing Wash exposed area with soap and water If symptoms persist seek medical attention Wash any contaminated clothing before reusing BREATHING If affected remove individual to fresh air If breathing is difficult administer oxygen if you have been trained in its use If breathing has stopped give artificial respiration Keep person warm quiet and get medical attention SWALLOWING Do not induce vomiting Keep person warm quiet and get medical attention If possible do not leave person unattended Aspiration of material into the lungs due to vomiting can cause chemical pneumonitis which can be fatal Primary Route s of Entry Inhalation and skin conta
3. GH RATIO MANIFOLD HAS A THREADED PORT TO INSERT 1 OF 3 NOZZLES THESE NOZZLES REDUCE THE PRODUCT OUTLET SIZE CAUSING A RESTRICTION AND THUS INCREASING THE OUTPUT PRESSURE OF THE PRODUCT AS IT EXITS THE VALVE THIS HIGHER PRESSURE PREVENTS THE HIGHER VISCOSITY PRODUCT FROM FORCING ITSELF INTO THE LOWER VISCOSITY PORT Remote Dispense Valve HENKEL Corp GRIP OPTIONAL ITEM 1051661 Hand Held Pneumatic Switch Remote Dispense Valve HENKEL Corp CONNECTING A MACHINE MOUNTED VALVE TO THE DURAPUMP ZS Ensure that inlet air and product inlet pressure is OFF T 2 3 Remove the mix block assembly from the machine Attach the required product feed hoses to the valve Remove the valve OPEN and valve CLOSED port plugs on the front of the machine Connect a 5 32 air line from the closed remote valve port to the closed pneumatic port on the valve Do the same for the open port The remote valve will cycle when the footswitch is actuated 6 To pneumatically cycle the machine place an air pulse on the Trigger Return port at the Dispense Valve Connections Remote Dispense Valve HENKEL Corp CONNECTING A HAND HELD DISPENSE VALVE TO THE DURAPUMP ZS Ensure that inlet air and product inlet pressure is OFF 1 Connect an air line from the Trigger Supply port on the front of the machine to the dispense valve s pilot or constant air supply single port sid
4. HENKEL Corp ALL PURPOSE GREASE APG 2 This Material Safety Data Sheet complies with 29 CFR 1910 1200 OSHA Hazard Communication Standard SECTION I PRODUCT IDENTIFICATION General of Generic ID Aliphatic Hydrocarbon Gel DOT Hazard Classification None SECTION II COMPONENTS If present IARC NTP and OSHA Carcinogens and chemicals subject to the reporting requirements of SARA Title III Section 313 are identified in this section INGREDIENTS EXPOSURE LIMITS PERCENT FOOTNOTE White mineral oil PEL TWA5 mg M3 84 1 CAS 8042 47 5 TLV TWA 5 mg M3 Amorphous fumed silica PEL TWA 6 mg M3 12 CAS 67762 90 7 TLV TWA 2 mg M3 PTFE Not established 4 2 CAS 9002 84 0 1 OSHA Short Term Exposure Limit STEL for mineral oil mist is 5 mg M3 ACGIII STEL for mineral oil mist is 10 mg M3 2 PTFE polytetrafluoroethylene fillers and corrosion inhibitors SECTION III PROPERTY MEASUREMENT PROPERTY MEASUREMENT Boiling Point 650 F component 760 mmHg Specific Gravity 0 8275 component 77 F Percent Volatiles Approximately 84 Vapor Pressure gt 1 mmHg component 70 F Evaporation Rate Slower than ether Vapor Density Not Available Appearance White paste slight odor SECTION IV FIRE AND EXPLOSION INFORMATION Flash Point 445 F component by TCC Explosive Limit Not available Extinguishing media Dry chemical carbon dioxide water spray fog regular foam Hazardous Decomposition Products May form toxic mat
5. II a NIOSH MSHA approved air supplied respirator is advised in absence of proper environmental control OSHA regulations also permit other NIOSH MSHA respirators under specified conditions see 29 CFR 1910 134 or your safety equipment supplier Engineering and or administrative controls should be implemented to reduce exposure Ventilation Provide sufficient mechanical general and or local exhaust ventilation to maintain exposure below PEL TLVs Protective Gloves Wear chemical resistant gloves Contact your safety equipment supplier Eye Protection Chemical splash goggles in compliance with OSHA regulations are advised Consult your safety equipment supplier Other protective equipment To prevent repeated or prolonged skin contact wear impervious clothing and boots SECTION IX SPECIAL PRECAUTIONS OR OTHER COMMENTS Other Regulatory Information CERCLA Not regulated RCRA Not regulated SARA Section 302 Not regulated SARA Section 311 312 Immediate health hazard SARA Section 313 None known to meet the reporting requirements DOT Proper shipping name Not applicable Hazard Class Not applicable Containers of this material may be hazardous when emptied Since emptied containers retaining product residues vapors liquids and or solids may pose a hazard Containers identified as empty should be handled carefully Observe all hazard precautions presented on the MSDS The information accumulated herein is believed to
6. LOGTITE REMOTE VALVE PNEUMATIC SNUFF BACK INSTRUCTIONS PARTS LIST Items 1051664 1051662 1079254 1079256 THIS MANUAL CONTAINS IMPORTANT WARNINGS AND INSTRUCTIONS AND RETAIN FOR REFERENCE Remote Dispense Valve OPERATION INSTALLATION OPERATION The ON OFF operation of the valve is controlled by movement of the piston inside the air cylinder In the OFF position the piston retracts and the dual spool valves 75 seat into the front lip seals 3 which are located inside the seat plate 8 In the ON position the piston and the spool valves move forward 75 which allow A amp B fluids to pass through the manifold To eliminate drooling or stringing of the adhesive out of the mix tube the spool valves 75 can be retracted through the front lip seals 3 This snuff back action is controlled by the adjustment screw on the back of the air cylinder The snuff back should be adjusted so the fluid just stops at the end of the mixing tube Excessive snuff back will cause premature plugging of the valve Disposable static mixers can be attached to the manifold Your REMOTE VALVE in general e Designed to dispense two component adhesives and sealants e Dispenses low or high viscosity urethanes epoxies and silicones e Can be mounted for beads or timed shots optional handle is available for hand held applications e Provides an ON OFF function The metering of the adhesives in the proper ratio of A B is c
7. QUENTIAL DAMAGES WHETHER CAUSED BY NEGLIGENCE FROM HENKEL OR OTHERWISE Remote Dispense Valve LOCTITE Henkel Corporation 1001 Trout Brook Crossing Rocky Hill CT 06067 3910 Loctite is a registered trademark of Henkel Corporation U S A Copyright 2003 Henkel Corporation All rights reserved Data in this operation manual is subject to change without notice Manual P N 8901601 Rev A Date 02 2009 HENKEL Corp 17
8. be accurate but is not warranted to be whether originating with the company or not Recipients are advised to confirm in advance of need that the information is current applicable and suitable to their circumstances 15 Remote Dispense Valve HENKEL Corp WARRANTY Henkel expressly warrants that all products referred to in this Instruction Manual for Henkel Remote Dispense Valve hereafter called Products shall be free from defects in materials and workmanship Liability for Henkel shall be limited as its option to replacing those Products which are shown to be defective in either materials or workmanship or to credit the purchaser the amount of the purchase price thereof plus freight and insurance charges paid therefor by the user The purchaser s sole and exclusive remedy for breach of warranty shall be such replacement or credit A claim of defect in materials or workmanship in any Products shall be allowed only when it is submitted in writing within one month after discovery of the defect or after the time the defect should reasonably have been discovered and in any event within 12 months after the delivery of the Products to the purchaser This warranty does not apply to perishable items such as seals o rings etc No such claim shall be allowed in respect of products which have been neglected or improperly stored transported handled installed connected operated used or maintained In the e
9. ct Effects of Chronic Overexposure No data was found on chronic overexposures to this product or its components Medical Conditions Aggravated by Exposure Skin contact may aggravate existing dermatitis or other significant skin conditions 14 Remote Dispense Valve HENKEL Corp ALL PURPOSE GREASE APG 2 SECTION VI REACTIVITY D ATA Hazardous Polymerization Cannot occur Stability Stable Incompatibility Avoid contact with strong oxidizing agents sodium potassium alloy Avoid conditions such as open flame temperature above 1000 F SECTION VII SPILL OR LEAK PROCEDURES SMALL SPILL Vacuum shovel or sweep up material LARGE SPILL Persons not wearing protective equipment should be excluded from spill area until clean up has been completed Only personnel trained in spill clean up under 29 CFR 1910 120 should be involved with spill clean up procedures Stop spill at source Prevent material from entering drains sewers streams or other bodies of water Prevent from spreading If run occurs notify appropriate authorities as required Vacuum shovel or sweep spilled product to clean containers for recovery Transfer contaminated soil and other materials to container for disposal Waste disposal Dispose of in accordance with all local state and federal regulations SECTION VIII PROTECTIVE EQUIPMENT TO BE USED Respiratory Protection If workplace exposure limit s or product or any component is exceeded See Section
10. e on grip handle 2 Install a line to the OPEN A side of the gun handle Run the line back to the Trigger Return port on the machine Plug the CLOSED port on the handle 3 Runa line for each the open and closed ports on the machine to the open and closed ports on the dispense valve as illustrated in 5 6 4 The machine will be cycled by the gun trigger This arrangement will permit remote valve operation controlled by the machine cycling Plug this port Remote Dispense Valve AIR CYLINDERS REMOTE VALVE WITH SNUFF BACK Snuff Back Adjustment Advancing clockwise turn the snuff back adjustment screw reduces snuff back retracting counter clockwise it increases the snuff back Since excessive snuff back action can cause plugging of the valve adjust for minimum snuff back as follows with the pumps on and valve in the closed position advance the adjustment screw until material begins to drool out of the static mixer acting as if the valve is open Then retract the screw until fluid just stops at the minimum snuff back position If material drools or drips during operation slightly increase the snuff back until the desired action is achieved to close Connect Air to open HENKEL Corp Remote Dispense Valve SPARE PARTS KITS Remote Valve Repair Kits Each Kit contains a complete set of Lip Seals and O Rings Item No 1053257 Teflon O Rings Polytuff U Cups amp SS Springs Orif
11. een seat plate 8 and spool valve 75 Refer to Figure 2 when spool valves are in open position Check front lip seals by pressurizing the valve body 7 and applying soapy water into the front seals The valve body can be pressurized by connecting air into the A and B inlet ports on the valve body Seat Plate 8 Cylinder Figure 1 Valve Body REBUILDING REMOTE VALVE 1 After cleaning inspect the following components a Spool valves 75 for wear b Lip Seals both outside and inside lip c Manually retract and extend spool valves from air cylinder d If the optional grip handle is used connect air into the inlet and check 4 way action of cartridge valve Lubricate lip seals and shafts 75 with grease Insert four back lip seals two into tie plate and two into the valve body The lip seals are two pieces an O Ring and U Cup They should always be installed with the O Ring facing the front of the valve facing the manifold 4 Insert two front lip seals 3 that are located in the seat plate 8 They should be installed with the O Ring facing Spool Valve 75 Seat Plate 8 Figure 2 Open position Remote Dispense Valve HENKEL Corp MAINTENANCE TROUBLESHOOTING Problem Cause Solution No Flow Manifold clogged Remove manifold and clean Air pressure too low Require 80 psi inlet pressure Air valve damaged See Note 1 below Spool valves stuck See Note 2 below Valve fou
12. erials including but not limited to carbon monoxide carbon dioxide various hydrocarbons and trace amounts of COF2 and CF4 at temperatures above 12000F Fire Fighting Procedures no special requirements Wear self contained breathing apparatus with a full face piece operated in the positive pressure demand mode Cool fire exposed containers with water spray Special Fire amp Explosion hazards No special requirements SECTION V HEALTH HAZARD DATA Permissible Exposure Limits Not established for product See Section II for PEL TLVs Effects of Acute Overexposure EYES May cause mild irritation Symptoms may include stinging tearing redness and swelling SKIN May cause mild irritation Repeated or prolonged contact can dry the skin Symptoms may include redness burning drying cracking and skin burns BREATHING Exposure to vapors or mists is possible Short term inhalation toxicity is low Breathing small amounts incidental to normal handling and use is not likely to cause adverse effects however large amounts may be harmful Symptoms are associated with exposure that occurs above the recommended exposure limits Symptoms may include Central Nervous Systems CNS effects such as drowsiness weakness fatigue nausea headache unconsciousness coma and death Exposure to thermal decomposition products generated by temperatures above 10000F can cause polymer fume fever with symptoms of fever chill cough and general malaise This is
13. ess trigger to retract spool valve Remote Dispense Valve HENKEL Corp I ef Qty Description Single Air Cylinder 5 16 stroke with Hardened SS Valve Shafts SHCS 10 24 x 2 long Lip Seal Polytuff U Cup and Stainless Steel Spring Grease Fitting 10 32 Aluminum Tie Plate Teflon Encapsulated O Ring AlumBody 9 16 18 Inlet Ports SS Body 9 16 18 Inlet Ports Stainless Steel Seat Plate for Stainless Steel SHSS 1 4 Dia x 1 1 2 long Assembled Air Tube and Fitting 10 32 Thread Plugs Brass 10 32 with Fiber Washer OMNNOORWON D gt oO MPNMNNHHHOHANAODN i Included in Item 1053257 Valve Repair Kit Viton is a registered trademark of DuPont Dow Elastomers Teflon is a registered trademark of E l DuPont De Nemours Remote Dispense Valve HENKEL Corp MANIFOLDS The Standard Manifold is part of the complete The High wide Ratio Manifold is part of the valve assembly complete valve assembly 1051664 Aluminum w Snuff back 1079254 Aluminum w Snuff back 1051662 Stainless w Snuff back 1079256 Stainless w Snuff back Threaded Nozzle 8 sizes Item 1079255 Low viscosity port High wide Ratio Manifold THIS MANIFOLD TYPE IS USED WHEN THE PRODUCTS VISCOSITIES VARY GREATLY FROM EACH OTHER IF PRODUCT A VISCOSITIY IS 7 TIMES OR GREATER FROM PRODUCT B OR VICE VERSA THEN A HIGH RATIO MANIFOLD SHOULD BE USED THE LOW VISCOSITY PRODUCT IS FED TO THE THREADED PORT SIDE OF THE MANIFOLD THE HI
14. ice Kit for High Ratio Valves Item No 1079255 contains Description Polypropylene Fitting 09 Orifice Polypropylene Fitting 06 Orifice Polypropylene Fitting 04 Orifice HENKEL Corp Remote Dispense Valve Hose Kit includes elbow fittings to valve and straight adapters to machine to 2 250 PSI Item No Description 1051692 3 8 x 24 General Purpose 1051691 3 8 x 96 General Purpose 1051693 3 8 x 144 General Purpose 1051670 3 8 x 24 For MMA 1051669 3 8 x 96 For MMA 1051664 3 8 x 144 For MMA 316 Stainless Steel 37 Degree JIC Adapters Item No Description 989130 90 degree Elbow with 3 8 Male JIC 989127 989128 Straight Adapter with 1 2 Male JIC Straight Adapter with 3 8 Male JIC HENKEL Corp ADDITIONAL ACCESSORIES Ratio Check Cap In order to ensure correct A B ratio ratio checks should be performed regularly with our new Ratio Check Cap Night Cap MANIFOLD MANIFOLD RATIO CHECK NIGHT CAP A B At night or on weekends it is a good idea to seal your system After the static mixer is removed a night cap can be installed A little grease on the night cap against the manifold is also recommended to enhance the sealing especially over the weekends Item No Description 1053261 Ratio Check Cap with retaining nut 1053260 Night Cap with retaining nut Hand Held Grip Pneumatic Item No Description 1051661 Pistol Grip for Dispense Valve 13 Remote Dispense Valve
15. led Disassemble see Maintenance Valve Leaks Snuff back Retract snuff back screw Spool valve 75 clogged See Note 3 below Seals 3 worn Replace seals see Maintenance Spool valve 75 worn Inspect and replace if required Valve Drools Air trapped in valve Review Start Up Procedure Seals 3 worn Replace Seals see Maintenance Off Ratio A B Metering pumps Check pumps A amp B backs up into Tie Plate Seals damaged Replace Back Lip Seals page 4 Material not mixing Fouled Mixer Replace Mixer Off Ratio A B Take Ratio Check Mixer Leaks Manifold Fouled Clean nose of manifold Lip Seals Deteriorate Chemical Attack See Maintenance page 3 Note 1 Inspect air cartridge valve in handle The On Off function of the valve is controlled by this cartridge valve in the handle The air cylinder requires air in the front to close and air in the back to open To inspect the cartridge valve disconnect the two air lines on the air cylinder When the trigger is depressed air should be flowing only through the back air line and not through the front air line When the trigger is released the air should reverse Note 2 Advance the snuff back screw and pulse air into the air cylinder Repeat 3 or 4 times Note 3 First release the pressure on the A and B hoses Remove the manifold and advance the snuff back screw until the spool valves are protruding from the seat plate With a toothbrush or rag soaked in solvent brush the valves clean After cleaning depr
16. ontrolled by the metering pumps HENKEL Corp INSTALLATION Connect Supply Lines The A amp B fluid hoses are connected to the side of the valve body 7 between the valve and the pumps and should be as short as possible For stationary mount the air lines will be connected to the side of the air cylinder The valve requires air to the front of the cylinder to close and air to the back to open If the optional handle is used air is connected to the barbed fitting on the side of the handle The air line should have minimum pressure of 80 psi Start Up With the hand held model start metering pumps and purge the air out of the A amp B hoses and Remote Valve After the A and B fluids come out of the manifold attach a mixer to the manifold and hold the valve upside down with the mixer pointing up Dispensing A amp B will purge the last pockets of air in the valve body A stationary mount or gantry installation may require removal from its mount in order to purge To complete purging turn the valve with the mixer pointing up and dispense A amp B 1 Take a ratio check by weight of A B after the manifold The Remote Valve does No Metering The Volume Ratio of A B is controlled by the metering pumps However between the metering pumps and the Remote Valve are hoses These hoses will expand under pressure and cause lead lag problems Lead lag refers to the uneven starting of the A fluid before the B fluid Henkel Corp
17. ry harsh environment In addition to resisting the adhesives they must be inert to the strong solvents used in cleaning the valve HENKEL Corp Remote Dispense Valve MAINTENANCE DISASSEMBLY AND CLEANING 1 Remove the manifold and seat plate 8 Pry bar slots are provided 2 Remove the air cylinder bolts 2 and wiggle the air 6 cylinder apart If the assembly is frozen use the pry bar slots on the valve body 7 to separate the valve body 7 from the tie plate 5 Insert flat pieces of metal between the valve body and the tie plate as per Figure 1 Thread the manifold screws into the back of the tie plate and push the valve body apart Apply uniform pressure to valves 75 3 Once apart the parts should be cleaned We recommend 5 overnight soaking in suitable solvent All parts can be soaked except the handle and air cylinder Manifold Screws aN HENKEL Corp the back of the valve facing the air cylinder Optional Installation With O Ring facing manifold Used when minimum snuff back is required However reduced seal life can be expected Insert O Rings and assemble air cylinder and valve body Push seat plate 8 through spool valves 75 and tighten bolts FINAL QC CHECK Before the manifold is assembled we recommend the following procedure prevent the body from cocking and bending the spool 1 Check the open and close movement of the spool valves 75 Check gap betw
18. vent of unauthorized modification of the Products including where products parts or attachments for use in connection with the Products are available from Henkel the use of products parts or attachments which are not manufactured by Henkel no claim shall be allowed No Products shall be returned to Henkel for any reason without prior written approval from Henkel Products shall be returned freight prepaid in accordance with instructions from Henkel NO WARRANTY IS EXTENDED TO ANY EQUIPMENT WHICH HAS BEEN ALTERED MISUSED NEGLECTED OR DAMAGED BY ACCIDENT EXCEPT FOR THE EXPRESS WARRANTY CONTAINED IN THIS SECTION HENKEL MAKES NO WARRANTY OF ANY KIND WHATSOEVER EXPRESS OR IMPLIED WITH RESPECT TO THE PRODUCTS ALL WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND OTHER WARRANTIES OF WHATEVER KIND INCLUDING AGAINST PATENT OR TRADEMARK INFRINGEMENT ARE HEREBY DISCLAIMED BY HENKEL AND WAIVED BY THE PURCHASER THIS SECTION SETS FORTH EXCLUSIVELY ALL OF LIABILITY FOR HENKEL TO THE PURCHASER IN CONTRACT IN TORT OR OTHERWISE IN THE EVENT OF DEFECTIVE PRODUCTS WITHOUT LIMITATION OF THE FOREGOING TO THE FULLEST EXTENT POSSIBLE UNDER APPLICABLE LAWS HENKEL EXPRESSLY DISCLAIMS ANY LIABILITY WHATSOEVER FOR ANY DAMAGES INCURRED DIRECTLY OR INDIRECTLY IN CONNECTION WITH THE SALE OR USE OF OR OTHERWISE IN CONNECTION WITH THE PRODUCTS INCLUDING WITHOUT LIMITATION LOSS OF PROFITS AND SPECIAL INDIRECT OR CONSE
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