Graco 312793H User's Manual
Contents
1. Fic 6 Replace bellows 10 10 11 12 seal 106 on the connecting rod 14 Hold connect ing rod with 19 mm 3 4 in wrench Install and tighten the retaining nut 105 Torque to 100 120 in Ib 11 14 Nem Do not overtighten Install a new foot cap o ring 41 Grease and install the foot cap 42 Torque to 54 66 ft lb 73 89 Nem Push up on the motor shaft Slide on the coupling nut 55 Install the coupling collars 56 Hold connecting rod with 19 mm 3 4 in wrench Install and tighten the coupling nut Torque to 75 80 ft lb 138 146 Nem If Replacing Overflow Chamber Insert the o ring 102 into the lid 101 Tighten the new bottle 103 with lid 101 attached to the fitting 104 Turn connecting rod 14 to align holes in top cap 8 with holes on bellows chamber 1 so the D flat in the top cap faces the front of the pump Reattach the top cap 8 and shield mount spacer 9 Torque screws 10 to 100 120 in lb 11 14 Nem ti14533a 312793H Complete Pump Repair Disassembly 1 2 10 11 Follow all steps under Preparation page 8 Use a socket to remove the foot cap 42 Remove and discard the o ring 41 Use a 5 mm hex wrench to loosen the three screws 10 on the top cap Lift the air motor shaft to remove the top cap 8 and the shield mount spacer 9 from the bellows chamber Hold the hex on the connecting rod 14 with a 19 mm 3 4 in wrench so it canno2. V PACKING PTFE GLAND female 312793H Ref Description 27 CYLINDER KIT includes 2 12 19 21 32 41 and 48 LBO50A LB100A 24A829 LB150A 24A830 8 ADAPTER pump q JAM NUT LBO50A LB100A LB150A DISPLACEMENT ROD KIT includes 2 12 21 32 and 41 LBO50A LB100A 24F296 LB150A 24F295 O RING piston SEAT tungsten carbide ES CHECK BALL stainless steel 101947 107203 EM SPRING ball stop fe 7 V PACKING UHMWPE o GLAND female ee a a EE 24A828 24A635 24A637 24A639 CO _ A I BR O GO u C2 NIN N O A N cO 24F492 oo O1 SPRING O LBO50A LB100A and LB150A 9 V PACKING PTFE GLAND male O RING foot cap FOOT CAP KIT includes 41 LBO50A 24A831 LB100A 24A832 LB150A 24A833 44 FLOW THROUGH NUT 5 PISTON KIT includes 2 12 21 32 and 41 LBO50A LB100A LB150A 46 7 CHECK BALL stainless steel LBO50A 101947 LB100A and LB150A 101859 48 O RING outlet fitting not shown ES NUT coupling 157311 56 COLLARS coupling see page 20 for 184128 2 pack of 10 NOTE Replacement Danger and Warning labels tags and cards are available at no cost 24F488 24F489 24F490 Parts not sold separately See pages 20 21for available kits 17 Parts Models with U Cup Packings OG N 31 7 CS re N12 E 32 N 45 N 47 ELA 44 NAN 54A 53 U cup faces up Nue o me o lt es o o ame o ee ee
3. top cap and the D shaped seal do not turn the coupling nut 8 Lower the coupling nut and remove the cou pling collars ti15365a FIG 2 Remove coupling collars 9 Push up the motor shaft Remove the coupling nut 10 Cart Mount Tilt the cart onto its back to service the displacement pump ti15253a FIG 3 Tilt pump for repair 312793H Repair Replace the Bellows 5 Use a socket to remove the foot cap 42 Remove and discard the o ring 41 Disassemble Bellows and Chamber 6 Hold the hex on the connecting rod 14 with a 19 mm 3 4 in wrench Brace against tie rod or NOTICE bench so it cannot turn Use a socket to loosen the To avoid damage to the top cap and D shaped seal piston rod assembly never apply torque to the connecting rod A ig 1 Follow all steps under Preparation page 8 2 Usea5mm hex wrench to remove the three screws 10 then remove the shield mount spacer 9 and the top cap 8 Remove and discard the bellows chamber o ring 12 3 Leave the overflow chamber attached to the top cap unless it needs to be replaced 6152522 FiG 5 Hold connecting rod steady 4 freplacing overflow chamber Unscrew the bottle 103 if not already removed then remove the lid 7 See FIG 6 Pull the connecting rod 14 and bellows 101 from the fitting 104 Discard the cup and lid 7 out of the top of the bellows chamber 1 Leave Use a socket to remove the re
4. Nem 312793H Models with V Packings Parts NOTE Many parts are available in one or more Service Repair kits See page 20 o BELLOWS CHAMBER KIT includes 2 12 15 17 18 21 32 and 41 LBO50A LB100A and LB150A 24E759 O RING packing nut top 113082 2 O RING packing nut top 113082 3 BUSHING snap RING 110135 24E758 I 7 O RING snap bushing 110135 O RING snap bushing C20182 6 BUSHING bellows EE BELLOWS KIT includes 2 4 5 12 21 32 and 41 LBO50A 24A267 LB100A and LB150A 24E764 8 TOP CAP KIT includes 9 10 and 12 24A271 9 SPACER shield mount ES SCREW M6 x 40 see Hardware Kit page 20 O RING bellows chamber 116377 14 CONNECTING ROD KIT includes 4 5 24E762 12 32 and 41 15 INLET FITTING KIT LBO50A and LB100A 24A842 3 4 14 npt x 1 3 16 16 un 24E711 LB150A 1 11 5 npt x 1 3 16 16 un 17 SCREW bellows chamber M6 x 25 see Hardware Kit page 20 18 WASHER bellows chamber 117018 o 2e Harduare kit page 19 OUTLET FITTING KIT includes 48 LBO50A and LB100A 24A840 24A842 3 8 18 npt x 3 4 16 un LB150A 3 4 14 npt x 1 3 16 16 un 20 PACKING NUT KIT includes 2 12 21 24F837 24F223 24F224 117030 1 32 and 41 LBO50A LB100A LB150A 21 O RING packing nut bottom LBO50A LB100A LB150A SPRING ee 23 GLAND male 24 V PACKING UHMWPE e ES EN 107078 104537 110492 2 1
5. Wetted parts 312793H Technical Data 4500 psi 33 1 MPa 310 bar 3600 psi 24 8 MPa 248 bar 2400 psi 16 5 MPa 165 bar 15 psi 0 1 MPa 1 0 bar 160 F 71 C 35 120 F 2 49 C 2 5 in PEEK PTFE stainless steel tungsten carbide UHMWPE 23 Graco Standard Warranty Graco warrants all equipment referenced in this document which is 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 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 substitution 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 mainte
6. co O n san 16 Hepall KIS ilia seeds ose 20 Optional Kits 21 Accessories 21 DIMENSIONS errer uy usuyku UIS wee 22 Technical Dalal 55 5x css as su D CS 23 Graco Standard Warranty 24 Graco Information 24 312793H Warnings Warnings The following warnings are for the setup use grounding maintenance and repair of this equipment The exclama tion point symbol alerts you to a general warning and the hazard symbols refer to procedure specific risks When these symbols appear in the body of this manual refer back to these Warnings Product specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable FIRE AND EXPLOSION HAZARD Flammable fumes such as solvent and paint fumes in work area can ignite or explode To help prevent fire and explosion e Use equipment only in well ventilated area Eliminate all ignition sources such as pilot lights cigarettes portable electric lamps and plastic drop cloths potential static arc Keep work area free of debris including solvent rags and gasoline Do not plug or unplug power cords or turn power or light switches on or off when flammable fumes are present Ground all equipment in the work area See Grounding instructions Use only grounded hoses Hold gun firmly to side of grounded pail when triggering into
7. the cylinder 12 U Cup Models Lubricate and install the washer 54 u cup 53 and bearing 52 U cup must face toward the cylinder N Apply lubricant A Lips face toward cylinder 53 N 54 N 52 N ti15260a FiG 13 U Cup piston seal Repair N Apply grease A Apply thread lubricant A Torque to 100 120 in lb 11 14 Nem A Torque to 91 109 ft lb 123 148 Nem A Lips face toward cylinder Fic 14 Piston v packings 13 Grease the outside of the displacement rod shaft and the piston near the hexes Push the rod and the piston into the cylinder 27 14 If Replacing Bellows Follow steps 1 and 2 under Reassemble Bellows and Chamber page 10 to put new bellows on connecting rod 15 See FIG 6 page 10 Put the bellows o ring 12 loosely around the bellows 7 Push the connecting rod 14 with fully assembled bellows 7 into the bellows chamber 1 Hand tighten the connecting rod 16 Hold the hex on the connecting rod 14 and use a torque wrench to turn the piston 45 Torque to 74 86 ft lb 100 117 Nem 17 Set top cap 8 on the connecting rod 14 Do not tighten 18 If Replacing Overflow Chamber Order Kit 24E298 See page 21 Install the new D shaped seal 106 on the connecting rod 14 Hold connect ing rod with 19 mm 3 4 in wrench Install and tighten the retaining nut 105 Torque to 100 120 in Ib 11 14 Nem Do not overtighten 19 Install a new foot cap
8. 631 24E632 24E766 24E766 24A662 24A662 Includes throat u cup 50 bearing 49 and spring clip 51 piston 24E716 u cup 53 bearing 52 and washer 54 Also includes o rings 2 12 21 32 and 41 Bushing Kit Includes bellows bushing 6 snap bushing 3 and o rings 2 4 5 24A268 12 16 21 32 and 41 440 Stainless Steel Check Ball Kit Includes Check balls 34 47 ball stop spring 36 and o rings 2 12 24A661 21 32 and 41 Tungsten Carbide Seats and 440 Stainless Steel Balls Repair Kit Includes seats 33 46 check balls 34 47 flow through nut 44 and 244787 o rings 2 12 21 32 and 41 Displacement Rod Connecting Rod Piston Kit Includes displacement rod 31 piston 45 nylon extrusions not in parts list connecting rod 14 bellows 7 snap bushing 3 bellows 24A649 bushing 6 seats 33 46 check balls 34 47 spring 36 flow through nut 44 coupling nut 55 coupling collars 56 and o rings 2 4 5 12 21 32 and 41 Piston Kits Includes piston 45 nylon extrusions not in parts list and o rings 2 24F488 12 21 32 and 41 Hardware Kit Includes three top cap screws 10 three bellows chamber screws 24E712 17 and three washers 18 Coupling Collars Kit Includes 10 pack of coupling collars 24A619 24A788 24A788 24A650 24A651 24F489 24F490 24E712 24E712 24A619 24A619 20 312793H Optional Kits Optional Kits L
9. ACO 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 parties reconnaissent 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 proc dures 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 vis
10. BO50A LB100A LB150A Kit Description LB050B LB100B LB150B Reinforced PTFE V Packing Kit Reinforced PTFE throat packings and glands reinforced PTFE 24J858 24J859 24J860 piston packings and glands o rings and springs PTFE Bellows Kit Includes PTFE bellows and o rings s FUN 316 Stainless Steel Check Ball Kit Includes Check balls 34 47 ball stop spring 36 and o rings 2 24T257 24T258 24T258 12 21 32 and 41 316 Stainless Steel Seat and Ball Kit Includes Seats 33 46 check balls 34 47 flow through nut 44 24A800 24A801 24A801 and o rings 2 12 21 32 and 41 Use with materials that cause chemical compatibility concerns with UHMWPE such as acid catalyst materials Replaces standard kits for high corrosive applications Accessories Overflow Chamber Kit 24E298 Ref Description Qty 101 LID 102 O RING 103 BOTTLE 104 FITTING 2 x 1 4 18 npt 105 NUT retaining 106 D SHAPED SEAL bellows I Il 312798H 21 Dimensions Dimensions Displacement Pump Dimensions Displacement Pump LBOSOA LB050B 26 1 LB100A LB100B 20 3 LB150A LB150B 24 15 Height measured at midstroke ti14532a 22 312793H Technical Data Maximum fluid working pressure LBO50A and LB050B LB100A and LB100B LB150A and LBT50B 3 dore Ed Maximum fluid inlet pressure Maximum fluid temperature Ambient temperature range SOKS lengit CP cee ida gave Rae GW ess
11. FiG 1 Component Identification Key A c TO TIIIO O Connecting Rod Top Cap Pump Fluid Inlet Bellows Chamber Packing Nut Cylinder Pump Fluid Outlet Pump Adapter Foot Cap 312793H Component Identification Repair Repair General Information NOTE Reference numbers and letters in parentheses in the text refer to the callouts in the figures Always use Genuine Graco Parts and Accessories available from your Graco distributor If you supply your own accessories be sure they are adequately sized and pressure rated for your system Preparation AA we Follow all warnings and instructions in your pump man ual for the following preliminary steps 1 Flush the equipment 2 Stop the pump close to the middle of the stroke 3 Relieve the pressure 4 Disconnect the air and fluid hoses and the ground wire 5 Remove the shield NOTE If the overflow chamber optional accessory contains fluid unscrew the bottle 103 and discard See FiG 4 If it has not been used the bottle can remain attached to the cap us 1 To avoid the buildup of electrostatic charge do not rub the plastic bottle with a dry cloth while it is attached to the pump Remove the bottle to clean if needed 6 Use a 5 mm hex wrench to loosen the screws 10 on the top cap Hold the coupling nut with a wrench Use another wrench to turn the motor shaft To avoid damage to the
12. KIT includes 2 12 19 21 32 41 and 48 N N N co O1 NO O 24F837 24F223 24F224 107078 104537 110492 24A828 24A829 24A830 LB050B LB100B LB150B 28 ADAPTER pump 312793H Part Description Number Qty 29 JAM NUT I LB050B 24A635 LB100B 24A637 LB150B 24A639 DISPLACEMENT ROD KIT includes 2 12 21 32 and 41 LB050B LB100B 24F296 LB150B 24F295 32 O RING piston 107203 106259 24A832 FOOT CAP KIT includes 41 LBO50B LB100B LB150B 24A833 44 FLOW THROUGH NUT PISTON KIT includes 2 12 21 32 and 41 LBO50B LB100B LB150B 48 O RING outlet fiting not shown 49 BEARING thot 50 U CUP Packing roat 51 SPRING CLIP throat ES ES EE 24F492 24A831 24F488 24F489 24F490 NUT coupling 56 COLLARS coupling see page 20 for k pack of 10 184128 NOTE Replacement Danger and Warning labels tags and cards are available at no cost Parts not sold separately See pages 20 21 for avail able kits 19 Repair Kits Repair Kits LB050A LB100A LB150A IUCSSCIIDBOD LB050B LB100B LB150B O Ring Kit Includes o rings 2 4 5 12 16 21 32 41 and 48 24E713 24E714 24E715 V Packing Seal Kit 24A656 24A657 Includes springs 22 35 glands 23 26 38 40 v packings 24 25 24A655 37 39 and o rings 2 12 21 32 and 41 U Cup Seal Kit 24E
13. Repair Parts G GRACO TM Merkur Bellows Displacement Pump WIKSA For pumping isocyanates UV coatings and other moisture sensitive materials For professional use only See page 6 for model information including maximum working pressures Read all warnings and instructions in this manual For complete warnings and instructions see your pump or package manual Hazard symbols refer to specific procedure risks Save these instructions e Important Safety Instructions ti14532a PROVEN QUALITY LEADING TECHNOLOGY Related Manuals Contents Related Manuals 2 WaIDIDOS saem Ts Eur erac HEU a RE 3 Important Two Component Material Information 5 Isocyanate Conditions 5 Material Self ignition 5 Keep Components A and B Separate 5 Moisture Sensitivity of Isocyanates 5 Changing Materials 5 MOUBIS q in ds DCN ahaa eae cgi dolar cumin 6 Component Identification 7 Related Manuals Mama pes 312795 Merkur Bellows Pump Assembly 312796 NXT Air Motor 312799 Merkur Bellows Spray Packages AA and Airless 312798 Merkur Electrostatic Spray Packages a of sara ae a q ee a ree aeeg 8 General Information 8 Preparation assess ieee SS SA kuyu S 8 Replace the Bellows 9 Complete Pump Repair 11 Paris 294 dx a acer
14. and 23 in the packing nut Lips must face up so they will face toward the cylinder when the packing nut is installed Push packings all the way in m gt A N 25 N Apply lubricant A Lips face up toward cylinder when installed ti15255a Fic 10 Throat v packings U Cup Models Lubricate and install the bearing 49 the u cup packing 50 and the spring clip 51 U cup must face up so it will face toward the cylinder when the packing nut is installed 312793H N Apply grease A U cup faces up toward cylinder when installed ti15259a FiG 11 U Cup throat seal 7 Install the top o ring 2 and the bottom o ring 21 on the packing nut 20 8 V Packing Models Install the spring 22 in the top of the cylinder 27 9 Grease and reattach the packing nut 20 Torque to 54 66 ft Ib 73 89 Nem 10 Use screws 17 and washers 18 to reattach the bellows chamber 1 Align the screws so the inlet fitting does not interfere with the tie rods Torque screws 17 to 100 120 in Ib 11 14 Nem N Apply grease A Apply thread lubricant A Torque to 100 120 in lb 11 14 Nem A Torque to 54 66 ft lb 73 89 Nem ti14534a Fic 12 Bellows chamber and packing nut 312793H Repair 11 V Packing Models Install new piston spring 35 Lubricate and install male gland 40 new piston packings 37 39 and female gland 38 on the dis placement rod 31 Lips must face toward
15. e information about your material request MSDS from distributor or retailer Do not leave the work area while equipment is energized or under pressure Turn off all equipment and follow the Pressure Relief Procedure when equipment is not in use Check equipment daily Repair or replace worn or damaged parts immediately with genuine manufac turer s replacement parts only Do not alter or modify equipment Use equipment only for its intended purpose Call your distributor for information Route hoses and cables away from traffic areas sharp edges moving parts and hot surfaces Do not kink or over bend hoses or use hoses to pull equipment Keep children and animals away from work area Comply with all applicable safety regulations MOVING PARTS HAZARD Moving parts can pinch cut or amputate fingers and other body parts e Keep clear of moving parts Do not operate equipment with protective guards or covers removed e Pressurized equipment can start without warning Before checking moving or servicing equipment follow the Pressure Relief Procedure and disconnect all power sources SUCTION HAZARD Powerful suction could cause serious injury e Never place hands near the pump fluid inlet when pump is operating or pressurized TOXIC FLUID OR FUMES HAZARD Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin inhaled or swal lowed e Read MSDSs to know the specific hazards of the fluids y
16. nance 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 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 GR
17. ners closed when not in use e Never use solvent on one side if it has been con taminated from the other side Always lubricate threaded parts with ISO pump oil or grease when reassembling Changing Materials e When changing materials flush the equipment mul tiple times to ensure it is thoroughly clean e Always clean the fluid inlet strainers after flushing Check with your material manufacturer for chemical compatibility Most materials use ISO on the A side but some use ISO on the B side Models Models Check your displacement pump s identification marking ID for the 6 digit part number Use the following matrix to define the construction of your displace ment pump based on the six digits For example displacement pump Part No LB100A represents a 303 stainless steel bellows style displacement pump ID 100 cc with 3 UHMWPE and 2 PTFE v packings To order replacement parts see Parts section starting on page 16 The digits in the matrix do not correspond to the reference numbers in the Parts drawings and lists Third Fourth and Fifth Digits Displacement Pump Second Digit Volume Per Cycle in Sixth Digit Material cc Packings Seals Lower RR U Cup Sea Maximum Working Pressure Part Number psi MPa bar LB050A LB050B a 4500 33 1 310 3 4 in npt 3 8 in npt LB100A LB100B 3600 24 8 248 3 4 in npt 3 8 in npt LB150A 6 312793H Component Identification A ti14532a
18. o ring 41 Grease and install the foot cap 42 Torque to 54 66 ft lb 73 89 Nem 14 39 AA A A 42 ti14535a 20 Push up on the motor shaft Slide on the coupling nut 55 Install the coupling collars 56 21 Hold air motor shaft Install and tighten the coupling nut Torque to 75 80 ft lb 138 146 Nem 22 If Replacing Overflow Chamber Insert the o ring 102 into the lid 101 Tighten the new bottle 103 with lid 101 attached to the fitting 104 23 Turn connecting rod 14 to align holes in top cap 8 with holes on bellows chamber 1 Reattach the top cap 8 and shield mount spacer 9 Torque screws 10 to 100 120 in lb 11 14 Nem NOTE The overflow chamber fits best if the D flat is aligned to the front of the pump Inlet or Outlet Fitting Repair Remove and replace the inlet or outlet fitting only if dam aged Replace one or both o rings if a leak or seepage is present and every time a fitting is removed To reas semble grease the o ring and apply high strength thread locker to the fitting Torque to 54 66 ft lb 73 89 Nem 312793H Repair 312793H 15 Parts Parts Models with V Packings ti15222a N Apply grease A Apply thread lubricant A Torque to 54 66 ft lb 73 89 Nem A Torque to 91 109 ft lb 123 148 Nem A Torque to 100 120 in lb 11 14 Nem A Torque to 74 86 ft lb 100 117
19. oo mo ee a I E ok 3 ti15261a N Apply grease A Apply thread lubricant A Torque to 54 66 ft lb 73 89 Nem A Torque to 91 109 ft lb 123 148 Nem A Torque to 100 120 in lb 11 14 Nem A Torque to 74 86 ft lb 100 117 Nem 18 312793H Models with U Cup Packings Parts NOTE Many parts are available in one or more Service Repair kits See page 20 Part Description Number BELLOWS CHAMBER KIT includes 2 12 15 17 18 21 32 and 41 LBO50B 24E758 LB100B and LB150B 24E759 2 3 BUSHING snap mm BUSHING bellows fu BELLOWS KIT includes 2 4 5 12 21 32 and 41 LBO50B LB100B and LB150B TOP CAP KIT includes 9 10 and 12 24A271 y 1 1 9 SPACER shield mount 10 SCREW M6 x 40 see Hardware Kit 117030 page 20 2 O RING bellows chamber 116377 4 CONNECTING ROD KIT includes 4 5 24E762 1 12 32 and 41 INLET FITTING KIT LBO50B and LB100B 24A842 3 4 14 npt x 1 3 16 16 un LB150B 1 11 5 npt x 1 3 16 16 un 24E711 17 SCREW bellows chamber M6 x 25 117029 3 see Hardware Kit page 20 8 WASHER bellows chamber see Hard 117018 ware Kit page 20 OUTLET FITTING KIT includes 48 LB050B and LB100B 24A840 3 8 18 npt x 3 4 16 un LB150B 3 4 14 npt x 1 3 16 16 un 24A842 PACKING NUT KIT includes 2 12 21 32 and 41 LBO50B LB100B LB150B O RING packing nut bottom LBO50B LB100B LB150B CYLINDER
20. ou are using e Store hazardous fluid in approved containers and dispose of it according to applicable guidelines e Always wear chemically impermeable gloves when spraying dispensing or cleaning equipment PERSONAL PROTECTIVE EQUIPMENT You must wear appropriate protective equipment when operating servicing or when in the operating area of the equipment to help protect you from serious injury including eye injury hearing loss inhalation of toxic fumes and burns This equipment includes but is not limited to e Protective eyewear and hearing protection e Respirators protective clothing and gloves as recommended by the fluid and solvent manufacturer 312793H Important Two Component Material Information Important Two Component Material Information Isocyanate Conditions Spraying or dispensing materials containing isocya nates creates potentially harmful mists vapors and atomized particulates Read material manufacturer s warnings and material MSDS to know specific hazards and precautions related to isocyanates Prevent inhalation of isocyanate mists vapors and atomized particulates by providing sufficient ventila tion in the work area If sufficient ventilation is not available a supplied air respirator is required for everyone in the work area To prevent contact with isocyanates appropriate per sonal protective equipment including chemically impermeable gloves boots aprons and goggles is also requi
21. pail If there is static sparking or you feel a shock stop operation immediately Do not use equipment until you identify and correct the problem Keep a working fire extinguisher in the work area SKIN INJECTION HAZARD High pressure fluid from gun hose leaks or ruptured components will pierce skin This may look like just a cut but it is a serious injury that can result in amputation Get immediate surgical treatment Do not spray without tip guard and trigger guard installed Engage trigger lock when not spraying Do not point gun at anyone or at any part of the body Do not put your hand over the spray tip Do not stop or deflect leaks with your hand body glove or rag Follow the Pressure Relief Procedure when you stop spraying and before cleaning checking or servicing equipment Tighten all fluid connections before operating the equipment Check hoses and couplings daily Replace worn or damaged parts immediately 312793H 3 Warnings EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury Do not operate the unit when fatigued or under the influence of drugs or alcohol e Do not exceed the maximum working pressure or temperature rating of the lowest rated system com ponent See Technical Data in all equipment manuals Use fluids and solvents that are compatible with equipment wetted parts See Technical Data in all equipment manuals Read fluid and solvent manufacturer s warnings For complet
22. red for everyone in the work area Material Self ignition wol Some materials may become self igniting if applied too thickly Read material manufacturer s warnings and material MSDS Keep Components A and B Separate TC NN Cross contamination can result in cured material in fluid lines which could cause serious injury or dam age equipment To prevent cross contamination of the equipment s wetted parts never interchange component A isocyanate and component B resin parts 312793H Moisture Sensitivity of Isocyanates Isocyanates ISO are catalysts used in two component coatings ISO will react with moisture such as humidity to form small hard abrasive crystals which become suspended in the fluid Eventually a film will form on the surface and the ISO will begin to gel increasing in vis cosity If used this partially cured ISO will reduce perfor mance and the life of all wetted parts NOTE The amount of film formation and rate of crystal lization varies depending on the blend of ISO the humidity and the temperature To prevent exposing ISO to moisture e Always use a sealed container with a desiccant dryer in the vent or a nitrogen atmosphere Never store ISO in an open container e Use moisture proof hoses specifically designed for ISO such as those supplied with your system e Never use reclaimed solvents which may contain moisture Always keep solvent contai
23. ricant N Torque to 74 86 ft lb 45 100 117 Nem 31 ti15410a NN Fic 7 Outlet check Repair 17 Put the hex of the piston 45 in a vise then use a 23 mm socket to remove the piston rod 31 18 Remove the piston o ring 32 and seat 33 Remove from vise and tip out the check ball 34 and spring 36 N Apply grease A Apply thread lubricant A Torque to 91 109 ft lb 31 123 148 Nem AA A 34 45 gt ti14536a FIG 8 Piston check 19 If the bellows is damaged see Replace the Bel lows page 9 If not leave the bellows attached to the connecting rod Reassembly 1 Clamp the hex of the piston 45 in a vise Install new spring 36 on the ball stop ti15496a Fic 9 Ball stop spring 12 Install check ball 84 and seat 33 in the top of the piston Grease and install new o ring 32 With hex of piston 45 still in vise apply thread lubricant and then use a socket to reattach the dis placement rod 31 Torque to 91 109 ft lb 123 148 Nem Clamp the hex of piston rod in vise Install new check ball 47 and seat 46 in the bottom of the piston Grease and install new o ring 32 Grease and reinstall the flow through nut 44 Torque to 74 86 ft lb 100 117 Nem Place the packing nut 20 upside down on the bench so packings will align properly V Packing Models Lubricate and install the female gland 26 new v packings 24 25 and the male gl
24. t turn Use a socket to loosen the piston rod assembly See FIG 5 Pull the piston rod assembly out of the bottom of the cylinder 27 V Packing Models Remove the piston packings 37 39 glands 38 40 and spring 35 See FIG 14 page 14 U Cup Models Remove the bearing 52 u cup 53 and washer 54 See FIG 13 page 13 Models with overflow chamber If overflow cham ber needs to be replaced see Replace the Bel lows page 9 If overflow chamber is fine leave it attached to the top cap Remove the connecting rod 14 and bellows 7 Use a5 mm allen wrench to remove the three screws 17 and washers 18 then remove the bel lows chamber 1 Remove and discard the bellows chamber o ring 12 Use a 54 mm 2 1 8 in socket wrench to remove the packing nut 20 312793H 14 15 16 Repair V Packing Models Remove the glands 23 26 throat packings 24 25 and spring 22 See FIG 10 page 12 U Cup Models Use an o ring pick or pliers to remove the spring clip 51 the u cup 50 and the bearing 49 FIG 11 page 13 Remove and discard the packing nut top o ring 2 and bottom o ring 21 Put the hex of the piston rod 31 in a vise Use a 1 2 in hex wrench to remove the flow through nut 44 from the bottom of the piston 45 Remove the o ring 82 and seat 46 Remove from vise and tip out the check ball 47 1 2 in hex rau gue 32 N E a N Apply lub
25. taining nut 105 in the bellows chamber 1 attached to the packing the top cap 8 Remove and discard the D shaped nut seal 106 Leave the fitting 104 attached to the top cap 8 unless it needs to be replaced Remove the bellows bushing 6 and the damaged bellows 7 9 Remove the snap bushing 3 Remove and discard the o rings 4 5 ti15254a Fic 4 Overflow chamber 312793H 9 Repair Reassemble Bellows and Chamber 1 Slide the bellows bushing 6 and new bellows 7 on the connecting rod 14 Install new o rings 4 and 5 into snap bushing Grease and install snap bushing 3 on end of bel lows and snap into place Put the bellows o ring 12 loosely around the bel lows 7 Push the connecting rod 14 with fully assembled bellows 7 into the bellows chamber 1 Hand tighten the connecting rod Hold the hex on the connecting rod 14 and use a torque wrench to turn the piston 45 Torque to 74 86 ft lb 100 117 Nem Make sure the o ring 12 is against the top of the bellows Push the connecting rod 14 and bellows 7 snugly into the bellows chamber 1 Set top cap 8 on the connecting rod 14 Do not tighten If Replacing Overflow Chamber Order Kit 24E298 See page 21 Install the new D shaped A Apply grease A Apply thread lubricant A Torque to 100 120 in lb 11 14 Nem A Torque to 54 66 ft lb 73 89 Nem A Torque to 74 86 ft lb 100 117 Nem wA P 8
26. ual data contained in this document reflects 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 312793 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES e P O BOX 1441 MINNEAPOLIS MN 55440 1441 USA Copyright 2010 Graco Inc All Graco manufacturing locations are registered to ISO 9001 www graco com Revision H April 2014
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