GC-1021B Fiberglass Choppers OPeartions
Contents
1. GLASCRAFT COMPOSITES EQUIPMENT BY GRACO Fiberglass Choppers cc io21e Fiberglass Roving Choppers For use with Polyester Resin and Gel Coat Maximum air pressure 100 psi 0 7 MPa 7 bar Important Safety Instructions Read all warnings and instructions in this manual Save these instructions CEO Contents 3 Important Safety Information 5 FOUN t 6 Se UD 7 Pressure Relief Procedure 12 Star EUD TES 13 ouod cO ERI Cond cU disc ua 15 Assembly Drawings 16 Sub Assembly Drawings 20 Maintenaliee 22 ACCOSSOLIGS ione 26 Technical Data 27 Graco Ohio Standard Warranty 28 Graco Ohio Information 28 2 GC 1021B Warnings The following warnings are for the setup use grounding maintenance and repair of this equipment The exclamation point symbol alerts you to a general warning and the hazard symbol refers to procedure specific risk Refer back to these warnings Additional product specific warnings may be found throughout the body of this manual where applicable See Important Safety Information MEKP Polyester Resins and Gel Coats and Spraying and Lamination Operations section of this manual FIRE AND EXPLOSION HA2. Lamination Operations Remove all of overspray FRP sand ings etc from the building as they occur If this waste is allowed to build up spillage of catalyst is more likely to start a fire If cleaning solvents are required read material manufacture s warnings and material MSDS to know specific hazards and precautions GlasCraft recom mends that clean up solvents be nonflammable GlasCraft recommends that you consult Sections 1910 94 1910 106 1910 107 and NFPA No 33 Chapter 16 17 and NFPA No 91 for further guidance Grounding PNW This equipment needs to be grounded Ground the dispense gun through connection to a GlasCraft approved grounded fluid supply hose Check your local electrical code and related manuals for detailed grounding instructions of all equipment in the work area A grounding wire and clamp are provided assembly p n 17440 00 with all FRP equipment 6 GC 1021B Set Up Mounting Instructions B 410 LPA 2 Gun The following Mounting Instructions pertain to mounting a Model B 410 onto a Model LPA Model LPA II Spray Gun 1 Remove Set Screw P N D 145 08C from the Gun body located where the Chopper is mounted and re place at the top of the handle see Fig 1 2 Attach the Chopper assembly into the mounting hold and tighten with the Chopper snout pointing down into the resin spray pattern The correct adjust ments for glass entering the pattern will b
3. adjustment is set without running glass roving through the chopper It is also important to re member that the chopper head is the drive mechanism of the assembly adjustments are being made to the Rubber Roller P N B 510 08 and Idler Bearing P N B 510 11 After feeding in the strands of roving In Process adjust ments may be required This adjustment is dependent on the type of glass roving being used and the number of strands Adjust as follows 1 Shut off air supply to chopper 2 Loosen Lock Screw P N 9944 16C for the Rubber Roll er P N B 510 08 3 Loosen Adjustment Knob P N B 510 03 for the P N B 510 08 This action will allow the glass in between the Cutter Head and Roller to relax and move roller away from Cutter Head slightly 4 Retighten Lock Screw P N 9944 16C 5 Loosen Lock Screw P N 9944 16C for the Idler Bearing P N B 510 11 6 The Idler Bearing should now find its setting with the spring pressure applied to it T Retighten Lock Screw P N 9944 16C 8 Turn air supply on to chopper and operate verify glass is consistently cut to length Chopper Air Motor Notice The clearances in this Motor range are from 0 0015 to 0 002 and are extremely critical For this reason it 1 advisable that the Motor NEVER be disassembled in the shop GC 1021B Maintenance Model B 410 B 510 The Air Motor on your Chopper is precision built and under normal operation will last hundreds of hours of c
4. be adjusted by moving the chute PIN B 510 22 The Snout P N 23543 00 is standard with the Indy System The end of the Snout is adjustable Optional snouts are available for the B 410 only which include the B 210 91 and B 210 92 Test spraying should be done on a clean piece of paper or cardboard and disposed of properly Mounting Instructions B 410 B 510 Indy X Gun 23575 00 The B 410 B 510 Chopper Assembly mounts to Cutter Pivot Tube P N 21491 00 on Chopper Valve P N 23569 00 Once Chopper is set tighten Cutter Clip P N B 310 4 with Screws GC 1021B 2 Air Hose P N 17798 XX attaches to fitting P N 1880 00 on back of gun OX EM 4 2 GN 3 K c S 4 TREES AN NN oe g Q AS Y 3 The Cutter Valve Lever P N B 310 11 controls air flow to the chopper Perpendicular to the Chopper Valve Air On Inline with Valve Air OFF This is a positive ON OFF valve It does not regulate Air Flow Set Up 10 4 The Catalyst Atomizing Air Line connects to Connec tor Fitting P N 20796 00 When the gun is triggered Line Air will run the Chopper Motor and regulated air Will flow thru to the atomized circuit For B 510 A general position can be found Fine tuning of the Glass angle can be adjusted by moving the Chute PIN B 510 22 Centering Adjust Loosen Bar Screws P N 8212 16F and Twist Chopper left or right to desired location then retight
5. instructed regarding the proper action to be taken in the storage use and disposal of MEKP and other hazardous materials used in the laminating operation MEKP is flammable and potentially explosive as well as potentially damaging to the eyes and skin Read material manufacturer s warnings and material MSDS to know specific hazards and precautions related to MEKP Contaminated MEKP can become explosive Prevent contamination of MEKP with other materi als which includes but is not limited to polyester overspray polymerization accelerators and promot ers and non stainless metals Even small amounts of contaminates can make MEKP explosive This re action may start slowly and gradually build up heat which can accelerate until fire or an explosion result This process can take from seconds to days Heat applied to MEKP or heat build up from con tamination reactions can cause it to reach what is called its Self Accelerating Decompisition Tempera ture SADT which can cause fire or explosion Spills should be promptly removed so no residues remain Spillage can heat up to the point of self ignition Dispose in accordance with manufacture s recommendation Store MEKP in a cool dry and well ventilated area in the original containers away from direct sunlight and away from other chemicals It is strongly recom mended that the storage temperature remain below 86 F 30 C Heat will increase the potential for ex plosive deco
6. 1 Remove Retaining Ring P N 5133 62MD with a screwdriver Care must be taken not to spring the Retaining Ring excessively 2 Slide or pry off the old anvil roller and install a re placement by pressing it in place To prevent the blades from making deep cuts in roller surface be sure to rotate the roller as it is pressed on Notice Do not use a hammer when installing a new sleeve as permanent damage may result 3 Replace the Retaining ring with ordinary pliers 24 4 Operate the Chopper for a minute or so with the cover in place to run the new anvil roller The Chop per should now start and run freely Chopper Adjustments Should adjustments be necessary they may be accom plished by simply loosening either the Cutting Head or the Idler Bearing rotating the Eccentric Nut in the back and retightening B 410 Adjustments 1 Cutting head should have sufficient squeeze to cut properly Excessive Anvil Squeeze or roll interfer ence will overload the motor or create starting prob lems Insufficient Squeeze will result in incomplete cutting 2 Idler Bearing should be adjusted so there is only slight contact with the Anvil Roller Excessive pres sure will create motor drag and cause starting prob lems Insufficient squeeze will allow the roving not to feed or drop out of the chopper when it is stopped B 510 Adjustments The B 510 adjustments are set at the factory during final in spection of the unit This
7. 16B with a screwdriver or needle nose pliers Use extreme caution when replacing cutter blades to avoid severe injury or amputation B 510 1 Using a 1 8 Allen Wrench loosen and remove P N B 410 B 510 23 screw This will allow removal of P N B 510 15 wedge insert 1 Using a small slotted blade screwdriver carefully pry out the Blade Retainer Bar P N B 210 16A Retainer Bar Spring P N B 210 16B and the Blade P N 2 Remove old blade 210 17 Be careful not to lose these small parts as they come free of the slot Clean slots before re placing Blades 3 Clean slot on P N B 510 14 as necessary 4 Install new blade Set insert in properly 5 Reinstall P N B 510 23 screw and snug tightly 22 GC 1021B Maintenance CORRECT BLADE ASSEMBLY LARGE RECTANGULAR NOTCH VISIBLE THIS MUST BE VISIBLE WHEN GUARD ASSEM BLY IS REMOVED BLADE RETAINER BAR RETAINER BAR SPRING BLADE BLADE RETAINER BAR e J INSTALL BLADE FROM THIS POSITION ONL Y INCORRECT BLADE ASSEMBLY RETAINER BAR SPRING SMALL NOTCH THIS SIDE OF ASSEM BLY MUST FACE CUTTER PLATE N 73 re B 210 16A B 210 16B B 210 17 BLADE RETAINER RETAINER BAR BLADE N BAR SPRING CORRECT BLADE ASSEMBLY _ Fig 7 GC 1021B 23 Maintenance Anvil Sleeve Replacement If the Chopper fails to cut properly with new blades the anvil roller needs replaced
8. 20086 01 controls air to the Chopper Air Requirements Gun for the Chopper Sliding it forward turns the air on while sliding it back turns the air off 100 PSI 8 CFM Adjusting Speed amp Blower Air 1 The Blower Air is adjusted by the Thumb Screw P N B 210 32A2 Only a small amount of air is required to a Cool Chopper Head b Assist in Dispersing chop Speed Control Muffler 1 The Muffler Assembly controls the Amount and Speed of air exhausting the Air Motor 2 As the Speed Knob P N 21563 01 and Machine Screw P N 21567 24F is turned out the Air Motor speed in creases 3 Once it is set Lock the Knob Screw down with the Body P N 21561 00 3 The Gun Trigger is staged pull on the trigger will actuate material only Full back on the trigger actu Adjusting Chopper Mount tes the Chopper and Material The Stager can be adjusted by adjusting the Set screw P N 23532 01 in the Gun Trigger p n 23503 00 1 Loosen Screw P N 8212 16F to twist the Chopper side to side on the Pivot Tube P N 21491 00 Retighten once it is set Loosen screws lt 2 XU f Ce X Y g mE C du 7 8 H 77 amp down on the Chopper Bracket P N 23512 00 Retigh ten once it is set 8 GC 1021B Set Up 3 N For B 510 Loosen Lock Nut PIN 7729 04 Pivot Chopper Mount to desired angle Retighten PIN 7729 04 Once general position can be found fine tuning can
9. 828 01 746 y T B 510 03 ASSY T B 310 8212 16 P E 210 14 Li co gt NI ceo 8160 12C REVISION D GC 1021B Assembly Drawings B 510 Chopper Description Number P 37 GC 1021B Co Part Description Number Part EN REVISION D 19 Sub Assembly Drawings AM 100 Air Motor Used with B 410 Chopper AM 109 AM 109 Gasket Gasket M 114 AM 115 quit Cap Rear Cap 5133 62MD AM 113 Snap Ring Seal N A AM 112 Bearing B 210 23 Tire Shaft v Er n Not Shown UR 225 Aga B 210 23A Roll Pin AM 110 R oll Pin AM 103 Rotor Vane REVISED 2 98 REPAIR KIT AM 120 20 GC 1021B Sub Assembly Drawings AM 100 2 Air Motor Used with the B 510 Chopper AM 109 AM 109 Gasket Gasket M 114 AM 115 mn Cap Rear Cap AM 113 Seal End Cap Not Shown R oll Pin AM 103 Rotor Vane REPAIR KIT AM 120 GC 1021B 21 Maintenance Blade Replacement 2 To re insert Blades place in slot sharp edge out Refer to Figure 7 illustration during the following It is very important that the Blade be held against the Blade Replacement instructions side of the slot which will contact the Anvil Roller first 3 Next place in the Blade Retainer Bar P N B 210 16A and install Spring P N B 210
10. ASHER SNAP RING O RING U LOCK WASHER MACHINE SCREW SET SCREW MACHINE SCREW MACHINE SCREW MUFFLER ASSEMBLY AIR MOTOR ASSEMBLY AIR MOTOR SPACER NUT GUARD SNAP RING GUARD LINER CHOPPER GUARD FEED BAR BUSHING CUTTING BLADE BAR RET BAR SPRING CUTTER HEAD CUTTING HEAD BOLT SNAP RING CUTTING HEAD BLADE THUMB SCREW CONTROL BLOCK NUT CHOPPER PARTS KIT CUTTER GUARD SNOUT ECCENTRIC NUT CHOPPER BLOWER TUBE CUTTER CLIP AIR MOTOR TUBE NUT CAP TEE SWAGE PIPE FITTING CUTTER BACK PLATE USER MANUAL 13076 10 13076 11 17390 02 0133 62MD 7606 05 7733 13 7734 06 7958 48 8160 12 8212 16F 9944 16C 21568 00 AM 100 1 B 210 10A B 210 14A B 210 14B B 210 14C B 210 14 B 210 15 1 B 210 15 2 B 210 16A B 210 16B B 210 16C B 210 16E B 210 16F B 210 17 B 210 32A2 B 210 32B B 210 71 B 210 91 B 310 24 2 B 310 30 B 310 4 B 410 01 B 410 02 3 B 410 07 B 410 13 GC 1021 Z GC 1021B SPEED KNOB 7486 23 Part Description Number 210 17 CUTTING HEAD BLADE B 210 21W SMALL WHITE RUBBER WHEEL 0133 62MD SNAP RING 100 Qty 1 2 REVISION R Assembly Drawings B 510 Chopper 21 02 8160 12C ASSY D 50945 510 01 9944 12 B 210 10A 18 gt gt Ye 7 ial Ma 210 192 INSTALL SPACER FROM INSIDE COVER 9944 36 B 310 08 9 BL A 5 Q lt D 919 8160 12C 8160 08C 16
11. LUDING BUT NOT LIM ITED 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 PAR TICULAR PURPOSE IN CONNECTION WITH ACCESSORIES EQUIPMENT MATERIALS OR COMPONENTS SOLD BUT NOT MANUFAC TURED 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 no
12. ZARD Flammable fumes such as solvent and paint fumes in work area can ignite or explode To help prevent fire and explosion 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 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 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 inhalation of toxic fumes burns and hearing loss This equipment includes but is not limited to e Protective eyewear e Clothing and respirator as recommended by the fluid and solvent manufacturer e Gloves e Hearing protection MOVING PARTS HAZARD Moving parts can pinch or amputate fingers and other body parts Keep clear of moving parts Do not operate equipment with protective guards or covers remove
13. blends of lengths The most popular length in use today is 1 which may be achieved with four equally spaced blades The chopper is delivered to you set in this matter Relieve all air pressure from the system before attempting any repair or maintenance procedures on this equipment Do not operate the Chopper with the cover or guard removed The blades may fly free if improperly installed GC 1021B Parts Fiberglass Roving Choppers B 410 amp B 510 Standard Equipment Part Description Number 410 Fiberglass Chopper GC 1021 USER MANUAL Standard Equipment Part Description Number 510 Fiberglass Chopper GC 1021 USER MANUAL GC 1021B 981 012 8 291 012 8 0 017 8 e 781 014 8 191 012 8 r o 8 eat i _ riu Hoch ITE y 08 015 4 971 012 8 ut N 81 012 9 201 0918 X 881 012 8 987 8961 90 7811 291 766 N 2 51 012 8 1 X A d s erm Se 1S ee ee ee es oe ee 000 2 11725 91 012 j 7 S g91 012 8 Iy o LI 012 8 Zz e Valence 891 012 8 Troes En I ed B 410 Chopper 11 12 901 Q3AON3S SLYVd 305 V WT REVISION R 2941504698 r vel 0 6 8 GC 1021B 16 Assembly Drawings B 410 Chopper Part Number Description N Co FELT OILER O RING O RING SPRING W
14. d Pressurized equipment can start without warning Before checking moving or servicing equipment follow the Pressure Relief Procedure in this manual Disconnect power or air supply 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 swallowed e Read 505 to know the specific hazards of the fluids you are using e Store hazardous fluid in approved containers and dispose of it according to applicable guidelines Always wear impervious gloves when spraying or cleaning equipment GC 1021B Warnings 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 point gun at anyone or at any part of the body Do not put your hand over the dispense outlet Do not stop or deflect leaks with your hand body glove or rag Engage trigger lock when not spraying Follow Pressure Relief Procedure in this manual when you stop spraying and before cleaning checking or servicing equipment 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 Do not exceed the maximum working pressure or temperature rating of the lowest rated system component See Technical Data in all equipment manuals Use
15. e done when the spray test is completed 3 Chopper On Off Lever P N 310 11 located on the base of the Chopper mount should be in the OFF position see Fig 2 4 Thread roving from box through the Roving Guidance system and into the back of the Chopper Feed Bar P N B 210 15 It is suggested that the top feed hole be used if only one strand of glass is being used 5 After all components have been securely installed turn on main air supply slowly until fully on D 145 08C op gy Fig 1 6 Activate the Chopper On Off Lever to the posi tion see Fig 2 T Depressing the Gun Trigger fully a spray pattern of resin and catalyst with chopped glass should now be present GC 1021B 8 Adjust Chopper mount until chopped glass enters spray pattern at desired entry location Chopped glass should be uniformly entering the spray pattern resulting in an evenly distributed resin spray and chopped glass pat tern on the test substrate Test spraying should be done on a clean piece of paper or cardboard and disposed of properly 310 11 ON Mounting Instructions B 410 amp B 510 Indy Gun 23550 00 1 The 410 510 Chopper Assy Mounts to Cutter Pivot Tube P N 21491 00 on Chopper Rotating Mount P N 23513 00 Tighten down Bar P N B 310 4 with Screws P N 8212 16F P N 17798 XX Hose attaches to fitting P N 1880 00 in back of gun Set Up 2 The Slide Valve P N
16. en P N 8212 16F Shoulder Screw Chopper Air Requirements as ON Cie 100 PSI 8 CFM Adjusting Speed amp Blower Air Mounting Instructions B 410 B 510 Formula Gun 23750 00 1 The blower air is adjusted by the Thumb Screw P N B 210 32A2 a small amount of air is required to 1 The B 410 B 510 Chopper Assembly mounts to Cutter Pivot Tube P N 21491 00 Once the Chopper a Cool Chopper Head is set tighten Cutter Clip P N B 310 4 with Screws b Assist in Dispersing chop Adjusting Chopper Mount Angle Adjust 1 Loosen Lock Nut P N 7729 04 Pivot Chopper Mount to desired Angle Retighten P N 7729 04 Hex Nut GC 1021B Set Up 2 Air Hose P N 17798 XX attaches to fitting P N Chopper Air Requirements 1880 00 on back of gun 100 PSI 8 Adjusting Speed amp Blower Air 1 The Blower Air is adjusted by the Thumb Screw P N B 210 32A2 Only a small amount of air is required to a Cool Chopper Head b Assist in Dispersing chop Speed Control Muffler 1 The Muffler Assembly controls the Amount and Speed of air exhausting the Air Motor 2 As the Speed Knob P N 21563 01 and Machine Screw P N 21567 24F is turned out the Air Motor speed in creases 3 Once it is set Lock the Knob Screw down with the Body P N 21561 00 Adjusting Chopper Mount 1 Loosen Screw P N 8212 16F to twist the Chopper side 3 The Cutter Valve P N 23776 00 co
17. 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 complete information about your material request MSDS forms from distributor or retailer Check equipment daily Repair or replace worn or damaged parts immediately with genuine manufacturer 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 4 GC 1021B Important Safety Informatio Methyl Ethyl Ketone Peroxide MEKP MEKP is among the more hazardous materials found in commercial channels Proper handling of the unstable reactive chemicals presents a definite challenge to the plastics industry The highly reactive property which makes MEKP valuable to the plastics industry in producing the curing reaction of polyester resins and gel coats also produces the hazards which require great care and caution in its storage transportation handling processing and disposal Workers must be thoroughly informed of the hazards that may result from improper handling of MEKP especially in regards to contamination and heat They must be thoroughly
18. mposition Refer to NFPA 432 Keep MEKP away from heat sparks and open flames GC 1021B Current catalysts are premixed and do not require any diluents GlasCraft strongly recommends that dilu ents not be used Diluants add to the possibility of con taminates entering the catalyst system Never dilute MEKP with acetone or any solvent since this can pro duce an extremely shock sensitive compound which can explode Use only original equipment or equivalent parts from GlasCraft in the catalyst system i e hoses fit tings etc because a hazardous chemical reaction may result between substituted parts and MEKP To prevent contact with MEKP appropriate personal protective equipment including chemically imperme able gloves boots aprons and goggles are required for everyone in the work area Polyester Resins and Gel Coats Sw Spraying materials containing polyester resin and gel coats creates potentially harmful mist vapors and atomized particulates Prevent inhalation by providing sufficient ventilation and the use of respirators in the work area Read the material manufacturer s warnings and ma terial MSDS to know specific hazards and precautions related to polyester resins and gel coats To prevent contact with polyester resins and gel coats appropriate personal protective equipment including chemically impermeable gloves boots aprons and goggles are required for everyone in the work area Spraying and
19. ntrols the air to side on the Pivot Tube P N 21491 00 Retighten once flow to the chopper itis set This is a positive ON OFF valve It does not regulate Air Flow 2 Loosen Screw P N 7958 16C to pivot the Chopper up amp down on the Chopper Bracket P N 23512 00 Retigh ten once it is set GC 1021B 11 Pressure Relief Procedure To relieve fluid and air pressures 1 Push down Yellow slide valve P N 21402 00 to bleed off air to system 2 Open P N 21228 00 on catalyst pump to recirculation position GC 1021B Start Up Air Requirements Notice Do not wet the roving or attempt to feed frayed roving into the Chopper as this may cause it to wrap around the feed roller and jam All GlasCraft Choppers require 8 CFM cubic feet per minute 100 PSI of dry filtered compressed air The air supply hose to the Chopper must be new and have 2 at least 5 16 inside diameter The Motor Oiler is located on the forward port of the Air Motor It is recommended that the Oiler Felt P N 378 be lubricated with Air Motor Oil P N 562 Depending Notice oa use it is generally recommended that two or three drops Do not attempt to use lower air pressures or a smaller of oil be placed on the Felt every other day hose as erratic operation may result Chopper Operation Models B 410 B 510 1 To introduce roving to the Chopper cut the free end of the roving cleanly and double it over appro
20. ontinuous use with proper care It is recommended that the Oiler Felt P N 378 be lubricated with Air Motor Oil P N 562 Depending on use it is generally recommend ed that two or three drops of oil be placed on the Felt every other day S 31 9 i 4 4 MPa bar PSI Before cutting glass 1 RELIEVE AIR PRESSURE TO CHOPPER 2 Remove Chopper Guard and carefully wipe clean excess oil on Guard Anvil Sleeve etc 3 Replace Guard GC 1021B 25 Accessories B 510 71 Repair Kit Part Number Description BLADES 510 08 LARGE WHITE RUBBER WHEEL B 210 71 Repair Kit Part Description Number 210 17 BLADES B 210 21W SMALL WHITE RUBBER WHEEL 0133 62MD SNAP RING 9 lt AM 120 Repair Kit Part Description Number BEARING SEAL O RING Chopper Snout Options Part Description Number P OPEN SNOUT CLOSED SNOUT OPEN SNOUT CLOSED SNOUT NARROW CLOSED SNOUT WIDE 26 GC 1021B Technical Data Category O GC 1021B 27 Graco Ohio 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
21. 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 instal lation 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 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 INC
22. tices 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 Ohio Information TO PLACE AN ORDER contact your Graco distributor or call to identify the nearest distributor Toll Free 1 800 746 1334 or Fax 330 966 3006 All written and visual 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 This manual contains English MM GC 1021 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO OHIO INC 8400 PORT JACKSON AVE NW NORTH CANTON OH 44720 Copyright 2008 Graco Ohio Inc is registered to I S EN ISO 9001 WWW graco com Revised 11 2008
23. xi mately one inch from the end Feed into one of the three holes provided in the back of the cutter while running at moderate speed FEED ROVING HERE GC 1021B 13 Start Up 3 The Muffler Speed Control is located on the rear port of the Air Motor Adjustment of Knob P N 21563 01 controls the Air Motor speed and deter mines the cutting rate Adjust this valve until the de sired glass content is achieved B 510 4 The Chopper Blower Control Valve is located on the rear of the Back Plate Adjustment of Thumb Screw P N B 210 32A2 controls the amount of by pass air which serves to vary the dispersion of the cut roving as it leaves the Chopper EN This Valve should be at least slightly open at all times or the Chopper may tend to fill and jam 5 Adjust this valve until a good glass resin fan results with a minimum of drop off If an excessive amount of bypass air is used the roving may filamentize or cotton causing various wet out problems 6 When desired adjustment has been made lock Thumb Screw P N 210 32 2 in place by tightening Lock Nut P N 210 32 1 Do not over tighten Roving Cut Length Adjustment The cut length of the roving fibers may vary from 1 2 to 4 depending upon the number of blades in the cutting head The cutting head has a circumference of 4 and is divided by eight slots at 1 2 intervals Any number of blades may be omitted to achieve cut lengths greater than 1 2 or
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