Graco 308345P User's Manual
Contents
1. Tighten after you align pulleys 12 and 13 Torque setscrew to 45 to 55 in lbs 5 1 to 6 2 Nem Drive belt must not be tight after it is installed Bend washer tab up to lock Apply PTFE spray lubricant to inside lip of bearing nut before you install it Torque oppositely and evenly to 80 to 100 in Ibs 9 to 11 3 Nem Torque oppositely and evenly to 60 to 70 in Ibs 6 8 to 7 9 Nem Apply PTFE spray lubricant to siphon tube 4 inlet end and to top 6 in 150 mm of helix tube 7 before you install them Install flush with top of nut 8 and torque to 40 to 45 in Ib 4 5 to 5 1 Nem Install with outer lips facing up See Fig 8 on page 12 Parts List Model 236629 Standard Mixer Includes items 1 to 16 and 18 to 50 57 58 Model 236760 Oil less Reversible Mixer Includes items 1 to 15 and 17 to 58 Ref No OANDOOARWND 12a 13 14 14a 15 16 16a 17 18 18a 18b 18c 18d 18e 18f 20 21t 22 24 25 Part No 236720 189648 189649 189651 189653 189654 236719 189655 189656 189657 112548 112549 112550 112551 112552 101140 113779 112723 206264 166529 166532 164698 157628 165722 166531 112553 112555 195045 112556 108050 Description BRACKET COVER belt drive HOUSING mixer TUBE siphon FITTING siphon COVER siphon TUBE helix NUT bearing acetal AF SPACER bearing SPACER pulley BEARING ball PULLEY small drive belt2. Do not use 1 1 1 trichloroethane methylene chloride other halogenated hydrocarbon solvents or fluids containing such solvents in aluminum pumps Such use could result in a serious chemical reaction with the possibility of explosion Do not use kerosene or other flammable solvents or combustible gases to flush the unit Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid being dispensed Keep the dispensing area free of debris including solvent rags and gasoline Do not smoke in the dispensing area Keep a fire extinguisher in the work area MOVING PARTS HAZARD Moving parts such as the rotating blades of the agitator can pinch or amputate your fingers or other body parts and can cause splashing in the eyes or on the skin Keep clear of all moving parts when starting or operating the agitator e Always shut off the agitator and disconnect the air line before you remove the agitator from the drum or check or repair any part of the agitator HAZARDOUS VAPORS Hazardous fluids or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin swallowed or inhaled When flushing the air motor keep your face away from the exhaust port 308345 3 Application The Twistork Helix Mixer is intended to mix and maintain paints and similar fluids in closed head 55 gallon 200 li ter drums with 2 in npt bung connections The Twistork Helix Mixer provides
3. 189660 is available Check your material data sheet and or supplier for compatibility To avoid damaging the mixer do not mount the pump G directly to the mixer outlet fitting 41 Make sure the pump is properly supported and install a flexible suction hose E between the mixer outlet fitting and the pump as shown in Fig 4 8 NL UA 03428B Fig 4 308345 5 Installation Air Line Accessories The following air line accessories help to increase motor life and ease of operation Air Line Filter Air line filters remove harmful dirt and moisture from the air supply Order one of the following Part No 106148 3 8 npt f air line filter Part No 106149 1 2 npt f air line filter Air Line Lubricator for Model 236629 only A CAUTION Not lubricating the air motor will cause air motor failure 6 308345 Downstream from the filter install an air line lubricator for automatic air motor lubrication Set the lubricator feed rate at 1 drop of oil per minute for high speed or continuous duty usage Do not overfeed oil or exhaust air may become contaminated To manually lubricate the air motor see Lubricating the Air Motor on page 11 Order one of the following Part No 214847 3 8 npt f air line lubricator Part No 214848 1 2 npt f air line lubricator Air Line Quick Disconnect Install an air line quick disconnect F or ball valve at the air inlet D See Fig 5 Order one of the follo
4. Includes item 12a SETSCREW pulley 1 4 x 20 x 3 16 in not a replacement part PULLEY large drive belt BUSHING QD taper lock includes items 14a Qty N a mn 1 1 1 e SCREW hex head 10 24 x 1 in not a replacement part BELT drive ESD rated marked AIR MOTOR standard 0 75 HP Model 236629 only Includes item 16a MUFFLER exhaust 1 4 npt AIR MOTOR reversible oil less 0 75 HP Model 236760 only Includes item 16a VALVE needle Includes items 18a to 18f VALVE needle NUT packing KNOB adjusting O RING packing BODY valve WASHER O RING PTFE 3 1 Ref No Part No 26 112557 27 106084 28 104029 29 104582 30 105332 31 100718 32 100839 33 189659 34 105691 35 189662 39A 189527 41 112572 44 178575 45 178576 467 106537 50 189650 51 159841 56 110980 574 15A722 58A 16A614 Description SCREW set M6 SCREW pan head M5 x 10 LUG grounding WASHER tab LOCK NUT hex LOCKWASHER 10 ELBOW street 1 8 npt SEAT check valve BALL 1 4 in diameter SST WASHER thrust LABEL warning UNION swivel 90 ADAPTER bung RETAINER o ring GASKET polyethylene TUBE housing ADAPTER 3 8 npt m x 1 4 npt f Model 236760 only CLAMP hose Model 236760 only LABEL warning LABEL warning Qty os nnn o02 1 1 1 Arepair kit is available Order Repair Kit 207335 for standard air motor Part No 101140 A repair
5. kit is available Order Repair Kit 236996 for reversible oil less air motor Part No 112723 You must also order two adapters Part No 159841 to adapt the needle valve and muffler T This part is included in Repair Kit 236762 which may be purchased separately The kit also includes an installation tool which is needed to insert the helix tube through the shaft seal without damaging the seal lip t An optional Rulon bearing nut is available Order Part No 189660 Keep these spare parts on hand to reduce down SEAL shaft graphite filled PTFE RING seal tube support Nylon SCREW socket head M6 x 16 LOCKWASHER spring M6 0o 0O O nna time Replacement Danger and Warning labels tags and cards are available at no cost 308345 17 Technical Data Maximum working pressure ssssssssssseee hr 100 psi 0 7 MPa 7 bar Maximum recommended helix speed ssssssssssesseseseeeeeee m 800 rpm Maximum siphon flow rate with 100 centipoise material 0 0 cece I approximately 12 gpm 45 Ipm with 1000 centipoise material 0 eects approximately 1 2 gpm 4 5 Ipm Air consumption UA QO T o1 PRU EE 2 5 scfm 0 071 m3 min at SOOM acero a act tco e E E don itai a Da ds eminere ia at bad ee ie Secu 5 7 scfm 0 162 m min Noise level at 400 to 800 rpm tested to CAGI PNEUROP 1969 0 0 cece eee ee ees 70 dBA IS nM 24 Ib 11 kg Wetted parts llsslussls
6. parties reconnais sent avoir convenu que la r daction du pr sente document sera en Anglais ainsi que tous documents avis et proc dures judiciaires ex cut s donn s ou intent s la suite de ou en rapport directement ou indirectement avec les procedures concern es Graco Information For the latest information about Graco products visit www graco com For patent information see www graco com patents TO PLACE AN ORDER contact your Graco distributor or call to identify the nearest distributor Phone 612 623 6921 or Toll Free 1 800 328 0211 Fax 612 378 3505 All written and visual data contained in this document reflect the latest product information available at the time of publication Graco reserves the right to make changes at any time without notice Original instructions This manual contains English MM 308345 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES P O BOX 1441 MINNEAPOLIS MN 55440 1441 USA Copyright 1994 Graco Inc All Graco manufacturing locations are registered to ISO 9001 WWW graco com Revision P December 2012 20 308345
7. suction porting through its siphon tube which allows you to siphon fluid to a pump while mixing it Standard Mixer Model 236629 The standard mixer operates in a center lift fluid rota tion mode which is preferred in most applications because it minimizes fluid aeration The helix rotates counterclockwise and mixes fluid by lifting it up from the bottom of the drum See Fig 1 Standard mixer Model 236629 cannot reverse its helix rotation AR 03401B Model 236629 Standard counterclockwise Rotation 03401B Fig 1 4 308345 Oil less Reversible Mixer Model 236760 The oil less reversible mixer operates the same as the standard mixer but it uses a non lubricated air supply and the helix rotation can be reversed NOTE Although the air motor can operate without oil motor life is increased when lubrication is provided To reverse the helix rotation on reversible mixer Model 236760 remove the air motor muffler 16a and needle valve 18 and switch the ports they are installed into See Fig 2 When the helix rotation is reversed the mixer operates in a pull down fluid rotation mode which can be better for agitating fluids that are difficult to put into suspen sion The helix rotates clockwise and mixes fluid by pulling it down from the surface See Fig 2 With clockwise pull down fluid rotation care must be used at high speeds to prevent cavitation which could be caused by air being drawn
8. you can connect a lift hook to raise and lower the mixer or hang the mixer to store it CAUTION Keep the mixer upright Do not lay it on its side or upside down because fluid might flow into the belt drive area If you use the accessory mixer handle make sure the mixer is loosened from the drum before you raise it with a lift The handle will not support the weight of the drum 03400B Do not let fluid from dry in the fluid tubes See Clean Fig 6 masss ing the Fluid Tubes on page 10 308345 9 Maintenance Prolonging the Life of the Bearing Nut A CAUTION Use a compatible solvent to clean parts The bearing nut 8 is made of acetal which is not compatible with acidic fluids Check your material data sheet and or supplier for compatibility Avoid getting any solvent on the air motor belt e Replace the bearing nut 8 if it is damaged or worn e Do not allow fluids to dry out in the fluid section Dry fluid will adhere to the bearing nut 8 and could destroy it the next time you start the mixer Flush the fluid section before you change colors or coat ings or store the mixer e Do not operate the mixer without fluid in the drum as this can cause excessive bearing nut 8 wear Cleaning the Fluid Tubes To prevent fluid from drying on the tubes and interfer ing with helix rotation clean the siphon tube 4 and helix tube 7 when you change colors or coatings and when the mixe
9. 0 in in place inside the lock ring 45 then tighten the lock ring 45 A CAUTION To keep the helix tube pointed straight down make sure the bung adapter 44 and lock ring 45 are tight 4 Position the air motor so the air line C can be attached to the inlet D on the needle valve with out obstructing any other system components 5 When using the mixer suction feature connect a suction hose E between the mixer fluid outlet fitting 41 and the pump See Fig 5 The hose connector must have a 30 bevel to match the fluid outlet fitting with an airtight seal See Maxi mum Siphon Flow Rate on page 8 When not using the siphon feature plug the fluid outlet fitting 41 to prevent excess fluid evaporation The air motor exhaust can be piped out as follows Remove the air motor muffler 16a and connect an exhaust line to the exhaust port NOTE Model 236629 has a1 4 npt f exhaust port Model 236760 has a 3 8 npt f exhaust port Model 236629 shown 03025B Fig 5 308345 7 Operation A WARNING MOVING PARTS HAZARD To reduce the risk of serious injury including cuts amputation of fingers and splashing in the eyes or on the skin Always shut off the mixer and disconnect the air line before you check or repair the mixer Maximum Siphon Flow Rate The volume of fluid that can be siphoned through the mixer inlet is determined by the viscosity of the fluid e The maximum
10. 4a oppositely and evenly to 55 to 60 in Ibs 6 2 to 6 8 Nem See Fig 10 Install the thrust washer 35 flush to the bushing 14 as shown in Detail B of Fig 9 Secure the drive belt cover 2 with the eight screws 27 Apply PTFE spray lubricant to the siphon tube 4 inlet end only Install the siphon tube through the top of the mixer housing 3 See Fig 9 Install the two socket head screws 24 and lock washers 25 into the top of the siphon cover 6 Torque the screws oppositely and evenly to 60 to 70 in Ibs 6 8 to 7 9 Nem NOTE The helix tube 7 should move up and down about 0 05 inch 1 3 mm If it does not the bearings 11 are not fully seated Push the bear ings in until they are fully seated See the Parts Drawing on page 16 for the location of the bear ings Apply PTFE spray lubricant to the inside lip of the bearing nut 8 and tighten it onto the helix tube 7 308345 15 N EN 1A 5 E 9 a gt ee N O1 A i oe 16 308345 Parts Drawing er o 34 50 A e 45 Hl 20 18A Co See Detail A _ 4 T10301B ee Pe gt 32 N PAS A 33 N Ads LN Ad AX Press into place lips face down Apply high strength thread sealant to threads Apply anaerobic PTFE pipe sealant to threads With helix tube 7 flush with top of bushing 14 torque oppositely and evenly to 55 to 60 in lbs 6 2 to 6 8 Nem
11. Instructions Parts List GRACO BELT DRIVEN STAINLESS STEEL PNEUMATIC Twistork Helix Mixer with Suction Feature a For use in closed head bung type 55 gallon drums 100 psi 0 7 MPa 7 bar Maximum Working Pressure Model 236629 Series C Standard Mixer 0 75 HP 0 55 kW Model 236760 Series C Oil less Reversible Mixer 0 75 HP 0 55 kW Important Safety Instructions S Read all warnings and instructions in this manual Save these instructions Table of Contents Warnings 00 cece eee III 2 eu Application o eibniireTesstes9versdeeeewvis 4 ae Installation 0 0 0 cc eee eee 5 Operation ssa cc dae Pewee ee hee hve bearer ieee do 8 Maintenance ice r acts OS eds Qe ea 10 SEVICE saison cata rte tidal aa aloe nda d EN See 13 Parts DraWwing 2 cee eee eee 16 PArtS Esto nodo st eee sie er rd 17 Technical Data 0 0 ccc eee eee eee 18 Dimensions 0000 cee eee eee eee 19 Graco Standard Warranty 20020005 20 LW Graco Information 0 0 00 cece ee eee 20 ITSOSATEX11226 PROVEN QUALITY LEADING TECHNOLOGY Symbols Warning Symbol Caution Symbol This symbol alerts you to the possibility of serious This symbol alerts you to the possibility of damage to injury or death if you do not follow the instructions or destruction of equipment if you do not follow the instructions A WARNING EQUIPMENT MISUSE HAZARD e EA Equi
12. OVING PARTS HAZARD To reduce the risk of serious injury including cuts amputation of fingers and splashing in the eyes or on the skin e Always shut off the mixer and disconnect the air line before you check or repair the mixer e Wear eye protection A WARNING FIRE AND EXPLOSION HAZARD To prevent an explosive hazard in which injury and or property damage can result Do not operate the air motor with combustible gases Do not use kerosene or other flammable solvents for flushing A WARNING HAZARDOUS FLUIDS Keep your face away from the exhaust port Foreign material exiting the air motor can be hazardous Flushing Instructions If the motor is sluggish or inefficient flush it with non flammable solvent in a well ventilated area The recommended solvent for air motors and lubri cated pumps is Gast flushing solvent Part No AH255 or AH255A or Inhibisol Safety Solvent 1 Disconnect the air line and muffler 2 Dump or spray several teaspoons of solvent directly into the motor 3 Rotate the shaft by hand in both directions for a few minutes 4 Reconnect the air line and slowly increase air pressure until there is no trace of solvent in the exhaust air 5 Re lubricate the motor with a squirt of light weight oil in the chamber Servicing Guidelines NOTE If the motor does not operate properly after flushing order and install the repair kit for your air motor The instructions for ser
13. ail able to help prevent thick sediment from being forced into the siphon inlet A CAUTION Do not operate the mixer at a high speed for a long period of time Excessive mixer speed can cause the fluid to foam and can cause vibration and increased wear on parts and damage to the drum bung Only agitate the fluid fast enough to maintain even mixing You can view fluid movement through the 0 75 in port on the drum cover NOTE If you install an air shut off valve the same mixer speed is set each time it is turned on without requiring repeated needle valve adjustments Order one of the following air shut off valves Part No 208390 1 4 npt m x 1 4 npt m Part No 208391 3 8 npt m x 3 8 npt f Part No 208392 3 8 npt f x 1 4 npt m Part No 208393 3 8 npt m x 3 8 npt m You can also use an air line quick disconnect F as a shut off See Fig 5 See Air Line Quick Disconnect on page 6 Operation Turn on the air supply to start the mixer Regulate Shutting Down the helix speed with the needle valve 18 2 Operate the mixer continuously when supplying 1 To stop the mixer close the needle valve 18 or paints or other fluids to the system disconnect the quick disconnect F or close the air valve in the air supply line 2 If you remove the mixer from the drum remove the bearing nut 8 and hang or tilt the mixer upright over a container to allow it to drain Acces sory handle Part No 189658 is available so
14. down to the siphon inlet 16a v T 03402B Model 236760 Reversed clockwise Rotation 03402B Fig 2 Installation A WARNING FIRE AND EXPLOSION HAZARD Always maintain a minimum of 1 in clearance between rotating agitator parts and container to prevent sparks from contact Typical Installation air line lubricator agitator motor r3 WTI air line filter mix tank reference only air regulator and gauge Grounding Instructions Proper grounding is an essential part of maintaining a safe system To reduce the risk of static sparking all electrically conductive objects or devices in the spray area must be properly grounded Check your local electrical code for detailed grounding instructions for your area and type of equipment To ground the helix mixer connect the ground wire H to the grounding lug J on the collar Connect the grounding wire clamp to a true earth ground See Fig 3 To order a ground wire and clamp order Part No 222011 03024 The bearing nut 8 is made of acetal which is not compatible with some of the solvents used in paints or coatings and is not compatible with acidic fluids Optional Rulon bearing nut Part No
15. flow rate is approximately 12 gpm 45 Ipm with 100 centipoise fluid e The maximum flow rate is approximately 1 2 gpm 4 5 Ipm with much heavier 1000 centipoise fluid To prevent pump cavitation avoid flow rates higher than these Check the fluid periodically for signs of cavitation Air Requirements For continuous use the 0 75 HP air motor typically requires 2 5 scfm 0 071 m3 min of air at 400 rpm or 5 7 scfm 0 162 m min of air at 800 rpm Nitrogen Charging the Drum A CAUTION If you are using nitrogen to charge the drum use a maximum of 0 25 psi 1 7 kPa 0 02 bar Such low pressure requires special regulation equipment Use a passive non pressurized system when possible Higher pressure could push fluid through the shaft seal 21 and into the top bearings 11 damaging them See the Parts Drawing on page 16 8 308345 Operating the Mixer See Fig 6 CAUTION The bearing nut 8 helps prevent excessive fluid flow between the siphon tube 4 and helix tube 7 but it is not intended to be a complete seal Fluids can pass through the bearing nut into the gap be tween the two tubes Before you change colors or coatings or store the mixer clean the tubes as instructed on page 10 NOTE Thoroughly agitate the fluid before you use the suction feature Agitating maximizes fluid quality and helps avoid solids getting drawn into the siphon tube and clogging it A Strainer Inlet Kit 236984 is av
16. ide on the drive belt housing so the inlet is lower than the outlet This orientation prevents fluid from running into the bearing and drive belt area b Pull up on the fluid outlet fitting 41 to remove the siphon tube 4 4 Remove the three hex head screws 14a from the bushing 14 and install the screws into the bush ing s threaded holes as shown in Detail A of Fig 9 Tighten the screws evenly to loosen the bushing from the helix tube 7 5 Pull the helix tube 7 through the bottom of the mixer housing 3 Removing the Drive Belt NOTE Replace the drive belt 15 if it is cracked or worn A WARNING To avoid static electricity buildup and possible sparking which could cause fire and explosion replace the drive belt with a genuine ESD rated and marked belt only Graco Part No 112552 1 Remove the siphon tube 4 and helix tube 7 as instructed above 2 Remove the eight screws 27 and the drive belt cover 2 See Fig 10 3 Remove the three hex head screws 14a and the bushing 14 4 Slide the drive belt 15 over the smaller pulley 12 Then remove the larger pulley 13 and the drive belt 15 as shown in Fig 10 Service Model 236629 shown With helix tube 7 flush with top of bushing 14 torque the screws oppositely and evenly to 55 to 60 in lbs 6 2 to 6 8 Nem A Replace with a genuine ESD rated and marked belt only Fig 10 03027B Assembling the Mixer 1 Ma
17. in accordance with Graco s written recommendations This warranty does not cover and Graco shall not be liable for general wear and tear or any malfunction damage or wear caused by faulty installation misapplication abrasion corrosion inadequate or improper maintenance negligence accident tampering or sub stitution of non Graco component parts Nor shall Graco be liable for malfunction damage or wear caused by the incompatibility of Graco equipment with structures accessories equipment or materials not supplied by Graco or the improper design manufacture installation operation or maintenance of structures accessories equipment or materials not supplied by Graco This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed defect If the claimed defect is verified Graco will repair or replace free of charge any defective parts The equipment will be returned to the original purchaser transportation prepaid If inspection of the equipment does not disclose any defect in material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation and buyer s
18. ke sure the spacer 10 is in place see Parts Drawing on page 16 With its larger I D taper facing up install the larger pulley 13 and the drive belt 15 through the mixer housing See Fig 10 Slide the other end of the drive belt over the smaller pulley 12 The drive belt should not be tight after it is installed Make sure the pulleys are aligned then secure the small pulley 12 by tightening its setscrew Torque setscrew to 45 to 55 in lbs 5 1 to 6 2 Nem Place the bushing 14 into the larger pulley 13 Install the screws 14a in the non threaded holes in the bushing 14 do not tighten the screws yet 5 Place the installation tool B on the end of the helix tube See Fig 9 NOTE The installation tool B is included with Shaft Seal Kit 236762 A CAUTION Use the installation tool B to insert the helix tube 7 through the shaft seal 21 without damaging the seal lip See Fig 9 See the Parts Drawing on page 16 for the location of the seal 6 10 11 12 Apply PTFE spray lubricant to the top 6 in 150 mm of the helix tube 7 While holding the pulley 13 down push the helix tube and tool B up through the bottom of the mixer housing 3 until the tube is flush with the top of the bushing 14 Then remove the installation tool Wedge a screwdriver blade into the gap of the bushing 14 to spread the bushing while inserting tube 7 Torque the three hex head screws 1
19. pment misuse can cause the equipment to rupture or malfunction and result in serious injury INSTRUCTIONS This equipment is for professional use only Read all instruction manuals tags and labels before operating the equipment Use the equipment only for its intended purpose If you are not sure call your Graco distributor Do not alter or modify this equipment Check equipment daily Repair or replace worn or damaged parts immediately Do not exceed the maximum working pressure of the lowest rated component in your system This equipment has a 100 psi 7 bar maximum working pressure Use fluids and solvents that are compatible with the equipment wetted parts Refer to the Technical Data section of all equipment manuals Read the fluid and solvent manufacturer s warnings Always wear protective eyewear gloves clothing and respirator as recommended by the fluid and solvent manufacturer Comply with all applicable local state and national fire electrical and safety regulations 2 308345 A WARNING FIRE AND EXPLOSION HAZARD Improper grounding poor ventilation open flames or sparks can cause a hazardous condition and result in a fire or explosion and serious injury Ground all equipment Refer to Grounding on page 5 If there is any static sparking or you feel an electric shock while using this equipment shut off the agitator immediately Do not use the equipment until you identify and correct the problem
20. r is removed from the drum long enough for the fluid to dry Also clean the fluid tubes for peri odic maintenance as follows 1 Remove the bearing nut 8 See Fig 7 2 Remove the two diagonal socket head screws 24 and lockwashers 25 protruding from the top of the siphon cover 6 3 Remove the siphon tube 4 as follows a Restthe mixer on its side on the drive belt housing so the inlet is lower than the outlet This orientation prevents fluid from running into the bearing and drive belt area b Pull up on the fluid outlet fitting 41 to remove the siphon tube 4 4 Clean the siphon tube 4 helix tube 7 and bearing nut 8 The inside diameter of the tubes can be cleaned by pulling a solvent soaked rag through them NOTE Always after you mix or pump catalyzed mate rials that could set up between the tubes without air remove the siphon tube and clean both tubes 10 308345 5 Apply PTFE spray lubricant to the siphon tube 4 inlet end only Install the siphon tube through the top of the mixer housing 3 6 Install the two socket head screws 24 and lock washers 25 into the top of the siphon cover 6 Torque the screws oppositely and evenly to 60 to 70 in lbs 6 8 to 7 9 Nem 7 Apply PTFE spray lubricant to the inside lip of the bearing nut 8 and tighten it onto the helix tube 7 Model 236629 shown 03403B AN Torque oppositely and evenly to 60 to 70 in Ibs 6 8
21. slssuus 304 and 316 stainless steel graphite filled PTFE acetal AF Rulon LR External parts that may come in contact with fluid Bung adapter Ref No 44 ssi geste eden eee el send eie Rick ie Peeled etRX RRWRRPAi eps carbon steel Air check valve elbow Ref No 32 2 0 00 cee cee eee er carbon steel Housing Ret NO 93 uc eh eor Re rey Xen Ep welts Go I eee yarn ead RUP t aluminum Rulon is a registered trademark of Dixon a division of Furon Gast is a registered trademark of Gast Manufacturing Inhibisol amp is a registered trademark of Penetone Corp 18 308345 Dimensions 3 4 14 npt f fluid outlet Pa 1 8 npt f air inlet 48 6 in NOTE The bung adapter 123 4 cm adjusts the depth of the mixer to a minimum of 32 in 81 3 cm and a maximum of 35 1 8 in 89 2 cm 2 npt bung adapter Qu X3 32 in 81 3 cm minimum 35 1 8 in 89 2 cm maximum Ly 308345 19 Graco Standard Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use With the exception of any special extended or limited warranty published by Graco Graco will for a period of twelve months from the date of sale repair or replace any part of the equipment determined by Graco to be defective This warranty applies only when the equipment is installed operated and maintained
22. sole remedy for any breach of warranty shall be as set forth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale Graco makes no warranty and disclaims all implied warranties of merchantability and fitness for a particular purpose in connection with accessories equipment materials or components sold but not manufactured by Graco These items sold but not manufactured by Graco such as electric motors switches hose etc are subject to the warranty if any of their manufacturer Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties In no event will Graco be liable for indirect incidental special or consequential damages resulting from Graco supplying equipment hereunder or the furnishing performance or use of any products or other goods sold hereto whether due to a breach of contract breach of warranty the negligence of Graco or otherwise FOR GRACO CANADA CUSTOMERS The parties acknowledge that they have required that the present document as well as all documents notices and legal proceedings entered into given or instituted pursuant hereto or relating directly or indirectly hereto be drawn up in English Les
23. to 7 9 Nem AN Torque oppositely and evenly to 80 to 100 in Ibs 9 to 11 3 Nem Apply PTFE spray lubricant to inside lip of bearing nut before you install it Apply PTFE spray lubricant to the siphon tube 4 inlet end before you install it Fig 7 03403B Maintenance Lubricating the Air Motor Model 236629 Only A CAUTION Not lubricating the air motor will cause air motor failure If an air line lubricator is not installed the air motor must be manually lubricated every 8 hours Lubricate the agitator air motor by placing 10 20 drops of SAE 10 light oil in the motor s air inlet Run the agitator for about 30 seconds Cleaning the Air Intake Check Valve The air intake check valve 33 allows make up air to enter the closed drum as fluid is drawn out through the mixer outlet port See Fig 7 The air intake check valve should be inspected and cleaned every 2000 operating hours or when there are any signs of the drum beginning to collapse as fluid is drawn out Pump priming problems can indicate a plugged air intake check valve Paint overspray in the air can be drawn into the valve and cause the ball to stick in the closed position To clean the air intake check valve 1 Remove the seat 33 and ball 34 See the Parts Drawing on page 16 2 Clean the parts with compatible solvent and reassemble the valve 3 Insert the ball 34 and tighten seat 33 un til just snug NOTE The seat should not be flush
24. vicing the air motor are included with the kit See page 17 to order the kit e Ifthe mixer requires more than installation of a service kit it is usually quickest and easiest to send it to the Graco distributor for repair or replacement e I fthe vanes need replacing or foreign material is present in the motor chamber an experienced mechanic may remove the end plate opposite the drive shaft end Do not pry with a screwdriver It will dent the surface of the plate and body and cause leaks Use a puller tool which will remove the end plate while maintaining the position of the shaft e New vanes should have the edges with cut corners or the notched edges if the vanes are reversible pointing toward the bottom of the vane slot 308345 13 Service Detail A wK a 7 Ref Hf Detail B 4 sA Model 236629 shown 06240C AN Torque oppositely and evenly to 60 to 70 in Ib 6 8 to 7 9 Nem LN Apply PTFE spray lubricant to inside lip of bearing nut before you install it AN Apply PTFE spray lubricant to siphon tube 4 inlet end and to top 6 in 150 mm of helix tube before you install them Fig 9 14 308345 Removing the Siphon and Helix Tubes 1 Remove the bearing nut 8 See Fig 9 2 Remove the two diagonal socket head screws 24 and lockwashers 25 protruding from the top of the siphon cover 6 3 Remove the siphon tube 4 as follows a Rest the mixer on its s
25. wing Part No 169969 1 8 npt m air line quick disconnect Part No 208536 1 4 npt f air line quick disconnect Flush the Mixer Before Using It To prevent fluid contamination flush the mixer with solvent that is compatible with the fluid to be mixed See Flushing Instructions on page 13 Installation Installing the Mixer The mixer weighs 24 Ib 11 kg To manually lift it in and out of the drum grasp the housing 3 and guide the helix tube 7 through the drum bung See Fig 5 Accessory handle Part No 189658 is available so you can connect a lift hook to raise and lower the mixer or hang the mixer to store it A CAUTION To avoid damaging the siphon tube lower the mixer to the drum bottom do not drop it Do not install the mixer without the bearing nut 8 in place See Fig 6 on page 9 If the bearing nut is not installed the siphon tube 4 and helix tube 7 will rub against each other during operation and cause damage Replace the bearing nut if damaged or worn 1 Hold the mixer by the housing 3 or by the acces sory handle and lower the helix tube 7 through the bung until the siphon tube rests on the bottom of the drum NOTE The tube must rest on the bottom to evac uate the maximum amount of material from the drum and to stabilize the mixer 2 Make sure the gasket 46 is in place screw the bung adapter 44 into the bung and tighten the bung adapter See Fig 5 3 Make sure the o ring 2
26. with the elbow 32 Installing the seat too tightly could jam the ball against the seat Correcting a Bad Suction Line Seal Air getting pulled into the suction line makes the pump inefficient This can happen for the following reasons e Cavitation is occurring because the pump or helix is going too fast e Siphon hose connection is leaking e Nylon rings 22 are not sealing See Fig 8 To correct the problem see Fig 8 1 Torque the four socket head screws 24 in the siphon fitting 5 oppositely and evenly to 80 to 100 in Ibs 9 0 to 11 3 Nem NOTE If Step 1 does not correct the problem do Steps 2 through 5 2 Replace the rings 22 Make sure the outer lips face up as shown in Fig 8 3 Insert the inlet tube 4 into the bottom of the siphon fitting 5 4 Tap the bottom of the inlet tube 4 to make sure the tube passes through the rings 22 and seats on the siphon fitting 5 5 Torque the four socket head screws 24 in the siphon fitting 5 oppositely and evenly to 80 to 100 in Ibs 9 0 to 11 3 Nem 308345 11 Maintenance A MX oT Torque screws oppositely and evenly to a L Lx 80 to 100 in Ibs 9 0 to 11 3 Nem A Install with outer lips facing up Fig 8 12 308345 Service A WARNING M
Download Pdf Manuals
Related Search