Graco 332101A User's Manual
Contents
1. 6 Optional Cycle Detection Spool 6 Model 1095 General Illustration 7 Operating Procedures eee eee 8 Dry RUN seen de cet Sate He S285 Gab eh Get ha Sete ha GeO he See hn Olt taal 8 Loading amp Priming 8 COUT UL VS RIFIGCAHON 9 Daily Operation and Maintenance 9 Operation Adjustments 10 Periodic Maintenance denscesadnaicenacee Sinaacesasnandenieeaaces evens 10 Refilling the Hydraulic Oil 10 Changing the Reclassifier Filter 10 Disassemby Metering 11 Model 1095 Metering Unit Illustration 12 Assembly Metering Unit eneee 13 Troubleshooun 15 Model 1095 Recommended Spare Parts 16 General Guidelines for O rings and U cup 17 on cate a i NO a in Rd ns bee nd aid 18 GENERAL INFORMATION The Model 1095 Series Metering Rod Positive Displacement Dispense Valve is designed for applications that require precise metering and volumetric consistency at a wide2. At the top of the valve remove the two Screws 1 and remove the Top Cap 2 Remove the Metering Rod 8 if it was not previously removed Remove the Posipak Seal 7 from the Top Cap 2 Remove the O ring 21 Remove the four Screws 14 and the End Cap 5 on each side of the valve Remove the two Spool Shift Pistons 16 from the End Caps 5 They should come out easily but if not use low pressure less than 2 psi or 1 bar air at the Push In Connector 13 to move them Remove the U cup seals 17 from the Spool Shift Pistons 16 Remove the Dispense Sleeve 3 from the Main Body 4 If the sleeve is plastic and does not slide out readily then you can thread an appropriately sized tap into it a turn or two and pull it out A few turns of threads in the plastic will do no harm but wear or cracking will mean that you must replace it Keep track of which end of the sleeve you tapped into as you will want it at the top again upon reassembly Remove the Screws 19 that hold the Oil Cup Seal Plates 9 to each side of the Main Body 4 The Seal Retainer Washers 11 and the Posipak Seals 10 and 7 will come off with the Oil Cup Seal Plates Remove those seals and the O rings 20 Push the Spool Sleeve Assembly 6 out with a finger If it does not slide out tap it gently using a wood or plastic dowel A worn spool and sleeve assembly must be replaced with a new matched assembly If you are rebuilding multiple valves be sure
3. of Krytox 203GPL lubricant item 84 0200 K3 11 to the entire surface of the o ring before installation Avoid excessive lubrication If installing O rings over threads on a shaft or across sharp edges roll or push the O ring carefully into place being careful to avoid cutting or nicking it Avoid stretching the O ring too much as it may not return to the proper size Do not use any sharp tools or objects to install O rings U cup Seal Guidelines Always replace a U cup seal with the identical one in size durometer hardness type and material of construction Always be alert to the location and size of each U cup seal as many look alike and be careful not to mix them Often similar sizes may be used in various locations on the equipment and if replaced incorrectly the equipment may not function properly Refer to the Machine Operation and Service Manual for the correct part number of all U cups used throughout the equipment and replace them with factory approved parts only Always apply a very thin film of Krytox 203GPL lubricant item 84 0200 K3 11 to the inner and outer lips of the seal before installation Re use of U cup seals is not recommended Only re use U cups as a last resort If you must re use them be sure that they are clean have no cuts or flat spots and contain NO foreign material Also be sure not to soak them in solvent for extended periods as this can cause deterioration of the seal Always replace U cups that are cut have
4. to keep the spools and sleeves matched Remove the O rings 18 from the Spool Sleeve Assembly 6 Check the contents of the seal kit versus what you removed then discard the old items Page 11 MODEL 1095 METERING UNIT ILLUSTRATION 7722 7 2222222 SN 2222222222222 KhMiiilidiiiidiliililiiiidiilidlilidiilillililiila Ne S GA 1 SCREW SHC 10 32 X 7 8 11 SEAL RETAINER WASHER 2 TOP CAP 12 POSIPAK SEAL 3 DISPENSE SLEEVE 13 PUSH INCONNECTOR 4 MAIN BODY 14 SCREW RHM 10 32 X 2 1 2 5 END CAP 15 PLUG SOCKET 1 8 NPT 6 SPOOL SLEEVE ASSEMBLY 16 SPOOL SHIFT PISTON 7 POSIPAK SEAL 17 U CUP SEAL 8 METERING ROD 18 O RING 9 OIL CUP SEAL PLATE 19 SCREW SHC 10 32 X 1 1 4 10 POSIPAK SEAL 20 O RING 21 O RING Page 12 PERIODIC MAINTENANCE ASSEMBLY METERING UNIT Refer to the Metering Unit Illustration on page 12 and the drawings in the back of this manual for your exact model 1 Install four lubricated O rings 18 onto the Spool Sleeve Assembly 6 Lubricate the Spool O D and Sleeve O D too 2 Insert the Spool Sleeve Assembly 6 carefully into the Main Body 4 rocking it to ease it into place Align the bottom holes of the Sleeve piece of the Spool Sleeve 6 with the inlet outlet holes of the Main Body 4 Top Hole 73 of po
5. ACCESSORIES Liquid Control offers a full line of standard and custom accessories for your dispensing needs including Valve Controllers Cartridge Retainers and Pressure Reservoirs Titan 200 High Pressure Cartridge Feed Systems e e e e Transfer Pump Feed Systems for 1 5 and 55 gallon containers Consult your Dispensit dealer or the factory for details SEQUENCE OF OPERATION The 1095 series Dispense Valve is a positive displacement valve The sequence of operation of the system is as follows 1 Material enters the valve through the material inlet port located on the adapter block and fills the spool and dispense cavities This is the normal ready state 2 The controller activates the dispense cycle 3 The spool shifts to the dispense position internally blocking the material inlet port and opening the dispense outlet 4 The metering rod cycles pushing material from the dispense cavity 5 After the time delay set by the air controller the spool shifts again blocking the material outlet port and opening the material inlet port to refill the dispense cavity At the same time the metering rod rises and the cavity fills The system is again in the normal ready state Page 4 OPERATION ILLUSTRATION 1 Fill Cycle 2 Dispense Shuttle 3 Dispense Cycle 4 Refill Shuttle Page 5 SETUP PROCEDURE PRIMING THE AIR OIL DRIVE OIL The reservoir on the Air Oil cylinder is not shipped wetted
6. EMBLY see assembly drawing for part number 1 RECLASSIFIER FILTER ELEMENT 82 0021 11 A R KRYTOX 203GPL ASSEMBLY LUBRICANT 84 0200 K3 11 Page 16 GENERAL GUIDELINES FOR O RINGS AND U CUP SEALS Sizes and materials of construction for O rings and U cup seals are selected by Liquid Control based on compatibility with the chemicals to which they will be exposed Solvents that may remove residual chemicals often have negative effects on the mechanical properties of O rings and seals O Ring Guidelines Always replace an O ring with the identical one in size durometer hardness type and material of construction Always be alert to the location and size of each O ring as many look alike and be careful not to mix them Often similar sizes may be used in various locations on the equipment and if replaced incorrectly the equipment may not function properly Refer to the Machine Operation and Service Manual for the correct part number of all O rings used throughout the equipment and replace them with factory approved parts only Re use of O rings is not recommended Only re use O rings as a last resort If you must re use them be sure that they are clean have no cuts or flat spots and contain NO foreign material Also be sure not to soak them in solvent for extended periods as this can cause deterioration of the O ring Always replace O rings that are cut nicked or distorted in shape or cross section Always apply a very thin film
7. Instructions GRACO 332101A Dispensit 1095 Air Oil Drive EN Dispense Valve PA Important Safety Instructions Read all warnings and instructions in this manual Save these instructions PROVEN QUALITY LEADING TECHNOLOGY Quick Start Up Initial Start up Install the Air Oil unit in the normal upright position It is not required to install material to the dispense valve in the initial startup Metering rod up Air Oil reservoir filed to line 70 psi dry non lubricated air supply Set the flow control knob set to A scale Adjust pneumatic flow control to almost closed want slow travel during purge Never over fill oil Never tip air oil cylinder when oil is in reservoir otherwise every time the solenoid cycles oil will be atomized by the exhaust mufflers Wet The System Connect the material feed and dispense valve Activate pneumatic solenoid on top of Air Oil unit either by using override control or using control circuit Lower metering rod to almost dead head position no more than 4 inches of travel Release solenoid control to allow metering rod to raise Check oil lever in reservoir Repeat lower raise cycle until air is purged from Air Oil cylinder Once most air is purged from system adjust oil flow control to approximate speed of dispense Adjust pneumatic flow control to achieve fill rate adjust for slowest refill possible so as to prevent metering rod cavitation reintroducing air Adjust the control
8. R MUFFLER 15 ADAPTER SWIVEL 35 SCREW SHC 16 TUBING 47 OD BRAIDED 36 BACKING PLATE 17_ ADAPTER HOSE 37 SLUG PTFE 18 ADAPTER HEX 38 WASHER 19 NIPPLE ADAPTER Page 7 OPERATING PROCEDURES A Dry Run demonstrates the valve s controls and dispensing steps It also verifies that the valve is working correctly before you load materials DRY RUN 1 Attach the pneumatic supply lines from the air line fittings on the valve to the air supply outlets on the air controller Factory supplied air lines and fittings are color coded yellow for the air supply to initiate the dispense cycle and green for the refill shuttle and match the color coding on Dispensit 4100 series air controllers Turn on the electric and air supply Set the air pressure to 70 psi 4 8 bar on the system pressure gauge Momentarily activate the controller s Dispense Valve cycling control switch The 1095 valve should go through a complete cycle and cause a slight fluctuation in the system pressure gauge If the valve is equipped with optional cycle detection the illumination of the LED s on the spool reed sensors verifies spool shifting 5 When this happens the system installation is correct wh LOADING amp PRIMING 1 Fill the oil cups with a compatible lubricant suitable for use with material Use them when dispensing a material that air cures easily They are designed to act as reservoirs for compatible material to help prevent
9. When filling be sure the unit is mounted firmly to the machine frame or other suitable surface Remove the plug on the top of the unit and be sure that the metering rod is in the full down position rod coupler is full down Use new hydraulic oil with a viscosity of 100 SSU or lower Pour the oil slowly into the port Reinstall the plug and set the air pressure to approximately 20 psi Open the oil flow control fully and cycle the unit through the full range of travel until the air is entirely out of the lines 20 or 30 times Check the oil level If needed release the air pressure remove the plug and add oil Reinstall the plug and increase air pressure to 70 psi MOUNTING DISPENSE VALVE Mount the 1095 in a vertical position only using the Mounting Bracket 25 ON OFF DISPENSE VALVE Most applications require connection of the 1095 metering unit outlet to a high pressure On Off dispense valve such as the Dispensit Model 710 using a flexible hose that has a very low volumetric expansion ratio within the specified pressure ranges We recommend stainless steel overbraided PTFE line AIR CONTROLLER Operation of the 1095 requires a controller that provides the following e Aminimum of 0 5 SCFM 2 3 5 of dry unlubricated air at a minimum pressure of 70 psi 4 8 bar e Time delay capability to allow the valve to cycle e Independent air pressure regulators for material reservoir and valve operation e Logic and controls necessary to
10. al Illustration on page 7 1 The 1095 is equipped with an Oil Reclassifier 34 to collect hydraulic oil mist that may exhaust from the solenoid valve during operation If oil mist begins to emerge the filter is full Remove it and change the filter element 2 The Oil Reclassifier 34 has a drain outlet on the bottom If your application generates an undue amount of oil mist you may run a drain line from this outlet Page 10 PERIODIC MAINTENANCE DISASSEMBLY METERING UNIT Refer to the 1095 General Illustration on page 7 to remove the metering unit from the 1095 1 Note This step is only for models with cycle detection sensors Disconnect the electrical power from the cycle detection sensors Note the position of the sensors then remove them by loosening the set screws and sliding them out carefully Turn off the material inlet pressure to the 1095 Cycle the valve a few times to remove residual material pressure Turn off the air pressure to the 1095 Disconnect the air line Tubing 10 from the lower Push In Connectors 5 Remove the material inlet and outlet lines Remove any fluid from the oil cups Remove the two Screws 30 that extend through the Backing Plates 36 and Metering Unit 12 Carefully slide the metering rod head out of the T Block 11 to remove the Metering Unit 12 Refer to the 1095 Metering Unit Illustration on the next page for the remaining steps 14 15 16 17
11. being dispensed and or the cycle time may be too fast Cycle time is a function of 1 adequate air supply pressure 2 the duration of supply signal and 3 the stroke speed To adjust follow the directions found in the Operation Adjustments section of this manual SLOW OR SLUGGISH CYCLE This may be due to inadequate lubrication of the piston walls Apply a very thin film of a compatible lubricant to the outside diameter surfaces of the pistons and the U seals and reassemble This should restore smooth and consistent operation Another cause may be misalignment between the Metering Rod and the Metering Body Loosen the two Screws 30 that hold the Metering Unit 12 to the Mounting Bracket 25 Power the metering rod to its full down position and tighten the Retaining Nuts The unit is now realigned ON OFF DISPENSE VALVE DROOLS OR OOZES This can result from air trapped in the material being dispensed wear on the valve seat of the On Off valve or a worn seal in the 1095 as well as the On Off valve or the On Off Valve is out of sequence Check the sequence and refer to the On Off Dispense Valve Manual Page 15 MODEL 1095 RECOMMENDED SPARE PARTS Note These parts are routine supply items or wear parts not covered by warranty for normal wear 1 SEAL KIT 1095 see assembly drawing for part number 1 DISPENSE SLEEVE see assembly drawing for part number 1 METERING ROD see assembly drawing for part number 1 SPOOL SLEEVE ASS
12. ction sensors into the slots on the end caps and secure with the set screws Do not overtighten the set screws as the sensors may be damaged Connect the material inlet and outlet lines Perform the Dry Run Loading amp Priming and Output Verification procedures Perform Operation Adjustment procedures if required Page 14 TROUBLESHOOTING Review the symptoms below for operating difficulties With each problem there are one or more possible causes to investigate NOTHING HAPPENS If absolutely nothing happens when trying to cycle the 1095 check the electric and pneumatic power VALVE CYCLES NOTHING DISPENSED First if there is an On Off valve downstrean of the 1095 make sure the On Off Dispense Valve is sequencing properly with the metering unit Try to purge the metering unit this should fix most situations Then if nothing dispenses check to see that there is enough air pressure to the reservoir Perhaps material has set up in the reservoir or supply hoses examine and clear or replace as necessary Refer to the Operation and Periodic Maintenance Procedures in the appropriate manuals IRREGULAR VOLUME DISPENSED Faulty material will cause irregular dispensing The material must be a smooth homogeneous mixture without any air trapped in it A second cause could possibly be that the material is not filling the metering rod chamber fully and in time Check the reservoir pressure as it may be too low for the type of material
13. cycle the 110 volt Solenoid Valve AIR LINES Install pneumatic supply lines to the Solenoid Valve e Minimum air pressure required is 70 psi 4 8 bar e Maximum air pressure is 100 psi 6 9 bar OPTIONAL CYCLE DETECTION SPOOL SENSORS The spool sensors are magnetic reed switches and must be connected to an electrical control An LED on the switch illuminates to indicate the shifting of the spool Page 6 MODEL 1095 GENERAL ILLUSTRATION 28 7 2 sail 7 eal zs A 1_ MUFFLER AIR 1 4NPT11 20 AIRFLOW CONTROL VALVE 2 SOLENOID VALVE 21 RETRACT OIL LINE 3 TEE STREET 22 RETRACT OIL PORT ELBOW 4 ELBOW STREET 23 NIPPLE 5 PUSH IN CONNECTOR 24 ELBOW STREET 6 OIL FLOW CONTROL VALVE SUBPLATE 25 MOUNTING BRACKET 7 OIL FLOW CONTROL VALVE 26 ADAPTER SWIVEL 8 BOLTKIT 27 BUSHING 9 AIR OIL CYLINDER 28 ELBOW 10_ TUBING 1 4 OD GREEN 29 SCREW SHS 8 32 X 3 16 10 TUBING 1 4 OD YELLOW 30 SCREW SHC 1 4 20 X 3 3 4 11_ T BLOCK 31 SCREW HHC 12 METERING UNIT 32 ADAPTER 13 AIR OIL CYLINDER FILL PORT PLUG 33 NIPPLE HEX 14_ ADAPTER HEX 34 OIL RECLASSIFIE
14. eps 7 and 8 for the right side Install the Dispense Sleeve Top Cap and Metering Rod Lubricate the dispense sleeve bore in the Main Body 4 Insert the Dispense Sleeve 3 into the Main Body 4 Check for threads that may be in the inside of the sleeve due to tapping during removal and make sure these are at the top Install the lubricated O ring 21 around the Dispense Sleeve 3 Install the lubricated Posipak Seal 12 into the Top Cap 2 Be sure to tuck the lip of the Posipak into its cavity to avoid tearing it Insert the Metering Rod 8 through the Top Cap 2 and Posipak Seal 12 carefully Using the projecting Metering Rod 8 as a guide into the Dispense Sleeve 3 position the Top Cap 2 on the Main Body 4 Install the two Screws 1 through the Top Cap 2 and into the Main Body 4 Tighten the screws in a cross pattern gradually to prevent binding due to misalignment like you would tighten lug nuts on a car tire Install the Metering Unit on the 1095 Valve Refer to the 1095 General Illustration on Page 7 for these steps 17 18 19 20 21 22 Insert the head of the metering rod fully into the T Block 11 and slide the Metering Unit 12 into position Position the Backing Plates 36 and install the two screws 30 to secure the Metering Unit 12 to the 1095 Mounting Bracket 25 Connect the air line Tubing 10 to the Push In Connectors 5 If your valve has cycle detection slide the cycle dete
15. flat spots are distorted in shape or are damaged in any manner Always be alert to the proper orientation of the sealing lips and re install them in the same direction as shown on the specific equipment assembly drawing The U cup seals are intended to seal in only one direction and if installed incorrectly chemical leakage through the U cup can occur Whenever possible push the back side of the seal over the shaft to protect the inner and outer lips If this is not possible carefully tuck the lip in to avoid rolling it back or cutting it If installing over sharp edges slide the seal carefully into place to avoid cutting it Do not use any sharp tools or objects to install U cups Page 17 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 misa
16. having material cure on movable shafts Cured material can cause premature wear of the seals Oil Cup A TTT cs ll Ame NO en UNO OU 2 If not removed remove the material line from the inlet port of the valve 3 Prime the material line 4 Extend the valve to the Dispense Cycle refer to Sequence of Operation 5 Install the material line to the inlet port of the valve 6 Increase the material inlet pressure for loading Recommended Material Supply Pressure Minimum 20 psi 1 4 bar For Plastic Spools Maximum 400 psi 27 6 bar For Steel Spools Maximum 1200 psi 82 7 bar The above settings depend on the cycle rate and viscosity of the material 7 Perform the loading sequence of the valve until air free material is visible OPERATING PROCEDURES Output verification is a simple procedure where individual samples of material are collected weighed and compared for desired output We recommend that you perform output verification at least once a day and if the machine is used in production for more than one shift then once a shift OUTPUT VERIFICATION 1 Position a clean container under the valve outlet 2 Set the stroke of the metering rod to desired shot size 3 Weigh three small empty cups and label 4 Take a purge shot into an unweighed empty cup 5 Dispense ten shots into the first labeled cup 6 Proceed in the same manner with
17. metrical deposit shape 6 Weigh or measure a sample of the dispensed material to see if the volume is correct 7 Continue to observe the cycling of the unit to see if the material has caused any change in the dispense and reload strokes If necessary make minor adjustments to the flow controllers to restore smooth operation 8 To adjust the volume use the logic controller to regulate how long air pressure is supplied to the dispensing unit and adjust the rate of flow using the Oil Flow Control Valve 7 9 Repeat the above steps until you obtain the correct stroke and volume 10 Adjust the operation timing so that the 1095 Valve is able to finish its dispense before the Dispense Head needle moves away from the part PERIODIC MAINTENANCE REFILLING THE HYDRAULIC OIL RESERVOIR Refer to the 1095 General Illustration on page 7 Ov an oxatan rbd WARNING Do pot use sree wih yee 1 When the hydraulic oil falls below the minimum level indicated on the Air Oil Cylinder with the cylinder rod fully extended it requires refilling 2 When refilling the hydraulic reservoir place the Air Oil cylinder in the retracted position cylinder rod inside the the Air Oil Cylinder disconnect the air supply remove the Air Oil fill port plug 13 and slowly fill the Air Oil cylinder to the maximum fluid level Install and tighten Air Oil fill port plug 13 securely CHANGING THE RECLASSIFIER FILTER ELEMENT Refer to the 1095 Gener
18. ort directement ou indirectement avec les proc dures concern es Graco Information For the latest information about Graco products visit www graco com TO PLACE AN ORDER contact your Graco distributor or call to identify the nearest distributor Phone 612 623 6921 or Toll Free 1 800 746 1334 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 For patent information see www graco com patents Original Instructions This manual contains English MM 332101 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES 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
19. pplication 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 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
20. range of material inlet pressures The 1095 operates with material supply pressures up to 1 200 psi 82 7 bar or 400 psi 27 6 bar for plastic spool models Material viscosity dispensing capabilities range from very thin material to high viscosity pastes with viscosities in excess of 1 000 000 cps 1000 Pas The Model 1095 series ships complete with the following Model 1095 Dispense Valve Solenoid Valve 110 VAC Air Oil Drive Cylinder Oil Flow Control Metering Unit Mounting Bracket Seal Kit Optional Cycle Detection Sensors comes with cycle detection option Operating and Maintenance Manual SAFETY INFORMATION Only properly trained employees with a knowledge of the operations and safety warnings as set forth in this manual should use this product Read all applicable manuals completely before operating Toxicity and flammability hazards depend upon the product being dispensed by this unit and the user should take appropriate safety precautions as indicated on the MSDS of the product Always wear safety glasses ILLUSTRATION REFERENCES Throughout this manual you will find references by illustration item number to the illustrations in the manual The references are indicated by parentheses around a number such as 7 Illustrations represent typical valve configurations The drawings for your exact model are inserted at the back of the manual and include the part numbers for ordering replacement parts Page 3 GENERAL
21. re eee ene ee ee outlet inlet Page 13 PERIODIC MAINTENANCE ASSEMBLY METERING UNIT 11 12 13 14 15 16 Install the Seal Plate Cups on the Main Body Install a lubricated O ring 20 on the left side of the Main Body 4 next to the sleeve part of the Spool Sleeve Assembly 6 Install lubricated Posipak Seals 7 and 10 in the left Seal Plate Cup 9 so that the O ring side of both Posipaks will be facing the Main Body 4 Be sure to tuck the lip of the Posipak into its cavity to avoid tearing it Position the left Seal Cup Plate 9 with the oil cup upwards and slide it over the Spool part of the Spool Sleeve Assembly 6 with the counterbore for the Seal Retainer Washer 11 facing out Slide the Seal Retainer Washer 11 over the Spool and install two Screws 19 Repeat steps 3 4 and 5 for the right side Seal Plate Cups Mount the Valve End Caps to the Seal Plate Cups Install a lubricated U cup Seal 17 onto the left Spool Shift Piston 16 with lip side out as shown Lubricate the bore in the End Cap 5 Slide the piston into the left End Cap 5 tucking the lip of the seal into the End Cap carefully Install the Piston End Cap onto the left Oil Cup Seal Plate 9 using four Screws 14 Tighten the screws cross pattern gradually to prevent binding due to misalignment like you would tighten lug nuts on a car tire Push the Spool into the left side until it contacts the piston Repeat st
22. ss the adjustable orifice in the flow control and back into the upper reservoir chamber To refill the solenoid shifts and pressurized air is forced into the upper reservoir chamber and oil is directed into the flow control and free flows around the orifice into the cylinder rod raising the metering rod The exhausting cap end air is passed thru a pneumatic flow control to control the refill speed To adjust the rate of dispense the knurl knob of the hydraulic flow control is rotated to achieve the desired speed To adjust the refill rate the pneumatic flow control is similarly adjusted DISPENSIT MODEL 1095 DISPENSE VALVE OPERATING AND MAINTENANCE MANUAL General Information iss stint csssestctveveseedcecentsteevestwecetessedeusessrtieeeteeess 3 Safety Information eee eee 3 IIlustration 3 General Accessories 4 Sequence Of Operation 4 Operation Illustration cccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeaes 5 SELUP Procedure chscatiiahncauet cketetaeateiaseiaceas 6 Priming the Drive 6 Mounting Dispense Valve 6 On Off Dispense Valve ccccccecceeeeeeeseeeeeeeeeeeeeeeesseseeeeeees 6 Air COmmoller eaaa 6
23. system timer to control the Air Oil solenoid valve The higher the timer resolution the more accurate the dispense volume For minor bead adjustments use the hydraulic flow control to achieve precise bead control Usually the control system is used to start and stop the bead The on off dispensing flow valve is tied into the starting and stopping of the Air Oil Occasionally it will be necessary to change the sequencing of the on off valve to compensate for the uniqueness of the material handling characteristics Quick Start Up con t Cycle to purge air from system Activate pneumatic solenoid on top of Air Oil unit either by using override control or using control circuit Lower metering rod to almost dead head position no more than 4 inches of travel Release solenoid control to allow metering rod to raise Check oil lever in reservoir Repeat lower raise cycle until air is purged from Air Oil cylinder Once most air is purged from system adjust oil flow control to approximate speed of dispense Adjust pneumatic flow control to achieve fill rate adjust for slowest refill possible so as to prevent metering rod cavitation reintroducing air Sequence of Operation Metering rod in the home position up The oil reservoir is at its low level lower black mark on the side of the upper chamber To dispense the solenoid is activated air is directed into the cap end of the cylinder forcing the oil residing in the cylinder s rod end acro
24. the other labeled cups 7 Reweigh all three cups and record results results will be ten times desired shot size OOO DAILY OPERATION amp MAINTENANCE Before operating perform all Daily maintenance listed below Also complete all loading priming and output verification procedures MATERIAL RESERVOIR Check material levels and refill as necessary OIL CUPS Fill with lubrication suitable for use with material EXTERIOR Check and clean the exterior of the valve Page 9 OPERATION ADJUSTMENTS Adjust the 1095 Valve for proper operation as follows refer to the 1095 General Illustration on page 7 1 Make sure that all the connections are in place 2 Dry cycle the 1095 Valve through its complete cycle and make these adjustments as needed 3 The Air Flow Control Valve 20 controls how fast the refill stroke moves Adjust it so that the stroke is smooth and slow enough to refill completely without cavitating 4 The Oil Flow Control Valve 7 the Vickers knob with key lock on the front controls how fast the dispense stroke moves Adjust it so that this stroke is smooth and does not cause the material to dispense in an uncontrolled manner The dispense flow should be adjusted to match the speed of the dispensing tip 5 Connect the material for dispensing Position a container to catch the dispensed material Cycle the unit until you are getting consistent dispensing no inconsistencies or air in the dispensed material sym
25. 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 FORA 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 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 a la suite de ou en rapp
Download Pdf Manuals
Related Search