Air Purge Gun AP-1
Contents
1. KT 04002 oues 900402340 OR 00002A O ing 4 TN 04093 Snap Ring 1 OR 00029A O ring 1 Trigger Valve Kit KT 04003 OR 00043A_ O ring 1 OR 00026A_ O ring 1 OR 00002A OR 00042A 2 OR 00027A Seal 1 O ring 2 OR 00037A O ring 4 SP 04002 Spring 1 Coupling Block Gasket Kit Manual Valve Kit KT 02020 00 KT 04012 Includes 6 Coupling Block Includes 4 Manual Valves GU 02020 00 Gaskets GU 04012 Check Valve Kit KT 04033 Includes 8 Check Valves GU 04033 Page 22 of 27 24 POLYURETHANE E gt MACHINERY p conroration AP 1 Service Manual Made in the USA REPLACEMENT KITS cont Side Seal Kit TOOLS Pin Vise GU 00101 04008 00 03 Includes 6 Side T Handle Hex Key Wrench Seals GU 04031 02 6 O rings OR TL 04004 00434 3 Springs SP 04005 Grease Gun TL 00002 04009 04 05 Includes 6 Side Seals GU 04031 03 6 O rings OR 0043A 3 Springs SP 04005 AIR PASSAGES Grease TL 00003 8 32 UNC TAP 136 DRILL 18 DRILL DRILL _ 8 32 UNC ASMA NRHN 159 DRILL 3 10 32 TAP 2 159 DRILL 159 DRILL 10 32 TAP gt 5 159 DRILL b 3 _ DRILL 159 2 10 32 de X 8 32 TAP 2159 DRILL 10 32 TAP 5 159 DRILL 3 PLACES 5 5142. POLYURETHANE MACHINERY CORPORATION PMC wy Air Purge Gun AP 1 Service Manual Ref MN 04002 June 15 2010 Polyurethane Machinery Corporation Issue 2 6 Corporate 55 LaFrance Ave Bloomfield NJ 07003 Manufacturing 2 Gusmer Drive Lakewood NJ 08701 Phone 732 415 4465 Fax 732 370 7186 Copyright 2010 Polymac USA http www polymac usa com Before installing the AP 1 Gun and start up carefully read all the technical and safety documentation included in this manual Pay special attention to the information in order to know and understand the operation and the conditions of use of the AP 1 Gun All of the information is aimed at improving user safety and avoiding possible breakdowns from the incorrect use of the AP 1 Gun AP 1 Service Manual POLYURETHANE Made in the USA MACHINERY CORPORATION Polyurethane Machinery Corporation hereinafter PMC provides this LIMITED WARRANTY hereinafter Warranty to the original purchaser hereinafter Customer covering this equipment and the original PMC manufactured accessories delivered with the equipment hereinafter Product against defects in material or workmanship of the Product hereinafter Defect or Defective for a period of one 1 year from the date of first purchase as shown on the original PMC invoice hereinafter Warranty Period If during the Warranty Period under normal use the Product is suspected by Customer to be Defectiv
3. A Sec DNE 271 DRILLTHRU 1 16 NPT TAP 1 8 NPT TAP N d 159 DRILL 1 8 mm 9 Page 23 of 27 POLYURETHANE MACHINERY AP 1 Service Manual CORPORATION Made in the USA 4 PMC I POLYMAC USA PARTS IDENTIFICATION GU 04057 2 OR 000294 GU 04057 1 SP 04008 OR D0002A CORE 04093 OR 000014 TN D4186 TN 04092 AIT m 00027 OR 00026A 2 TN 04189 SP 04006 TN 04188 2 REQ 2 REQ Page 24 of 27 AP 1 Service Manual Made in the USA POLYURETHANE A MACHINERY Ww CORPORATION 04187 7 REQ TN D4002 TN 04195 OR 000434 GU 24005 GU 04027 QU 04200 SP 04002 X GU 04056 N d M GU 04016 TN 00185 TN 00 164 GU 04025 OR 000024 2 REQ OR 00037A 4 REQ TN 04191 0 6G0 01037A gem cmd pon Qe ct U D4020 ine TN 04190 TN 04001 2 RFQ U 04015 Page 25 of 27 ha POLYURETHANE AP 1 Service Manual Made in the USA LL 74 MC MACHINERY i conroration PART DESCRIPTION 04195 ___ E GU 04023 60 SIDE SCREEN 60 GU 04023 60 SIDE SCREEN 60 GU 04023 40 SIDE SCREEN 40 GU 04018 4 R 00038A lt 00 04033 60 04007 P 04005 Cu OR 00043A a __ 80 04031 02 0 3 Oo i GU 04031 03 4
4. Chamber 3 Ensure the material pressures at the Proportioner and the material temperatures in the Material Heaters and Heated Hoses are as recommended by the chemical supplier see Machine Service Manual 8 OPEN each Manual Valve by turning to the full counter clockwise position six 1 2 turns 9 Perform a test spray Page 10 of 27 AP 1 Service Manual Made in the USA POLYURETHANE A EMG ap MACHINERY p conrorarion The AP 1 Gun is designed with the flexibility to have the air input at the base of the Gun Handle 11 standard configuration or in the rear To make the change do the following 1 Disconnect the Pipe Nipple 23 with Air Coupling 27 from the bottom of the Gun Handle 2 Unscrew the first Pipe Plug 25 at the rear of the Gun and reinstall into the bottom of the Gun Handle where Pipe Nipple was removed 3 Remove Safety Slide Valve 22 from the Pipe Nipple and reinstall it to the rear of the Gun Handle 4 Use Teflon tape or sealing paste on all threads to prevent air leaks Page 11 of 27 24 POLYURETHANE AP 1 Service Manual PMC E MACHINERY Made in the USA p corporation SHUTDOWN PROCEDURES 1 CLOSE the Manual Valves 5 by turning them to the full clockwise position CAUTION Excessive force closing or opening Manual Valves may result in damage to the Manual Valves and or Coupling Block 2 Lubricate the Mixing Chamber through the Fitting 8 until a fine mist of grease is
5. Service Manual PM Y Made in the USA WARRANTY 2 SAFETY AND HANDLING 5 Important Safety Information 6 CHARACTERISTICS aa 7 TECHNICAL SPECIFICATIONS 7 8 INSTALLATION AND 5 10 SHUTDOWN PROCEDURES ee eee nnne nnne n nna nnn nana aaa a anas a asas nana 12 EOSS OF AIHPHESSUBE edidit ma sU DIN Ia EIU I E DINE 12 MAINTENANCE uusesssisiniden qmpplexEsEsuI n eFSEsdnECEN NE US UEENI UNES NNUS 13 Mixing Chamber Maintenance or Replacement 14 Screen Screw and Component Maintenance 15 Gun Block Removal ccccccccccccsssesssseceeeeeeeececssesseeeeeeeeeeeecesseeesaseeeeeeeeeeess 16 Gun Block 17 Trigger and Trigger Valve Maintenance 18 Air Cylinder 19 TROUBLESHOOTING GUIDE eeeeee 20 GUN OPERAT
6. position CAUTION Excessive force opening or closing the Manual Valves may result in damage to the Manual Valves or Coupling Block 8 9 Trigger Gun over Waste Container to release internal material pressure CLOSE the Air Safety Slide Valve 21 Disconnect the air supply to the Gun Remove the Mixing Chamber 3 from the Gun Block See page 14 Hemove the Cylinder Mounting Clamp 24 Remove the Snap Ring 31 from the rear of the Air Cylinder 11 and pull out the End Cap 32 Remove the Piston Assembly 34 through the rear of the Air Cylinder Inspect the O rings 33 on the Piston Assembly and replace as required NOTE When replacing O rings replace ALL O rings included in the appropriate Kit 10 If the Piston Shaft is damaged replace by removing the Snap Ring 35 holding the shaft to the Piston and separate the two parts 11 Inspect the Spring 36 It should be 1 1 4 long Replace if it measures 1 1 8 or less 12 Coat the inside of the Cylinder and all O rings with grease to facilitate reassembly 13 Reassemble the Air Cylinder in reverse order CAUTION Use wooden or plastic tools or a brass brush for cleaning Do not use metal or abrasive tools that can scratch the contact surfaces Page 19 of 27 A POLYURETHANE AP 1 Service Manual PMC E MACHINERY Made in the USA p corporation TROUBLESHOOTING GUIDE PROBLEM POSSIBLE CAUSE SOLUTION Mixing Chamber 3 not flush Air Safety Valve 22 CL
7. sprayed from the gun with the Grease and Grease Gun supplied in the Tool Kit This action will minimize moisture the cleaning air of the Gun from reacting with the ISOCYANATE product and help prevent crystallization which may cause damage the internal parts 3 CLOSE the Safety Slide Valve 22 4 Disconnect the air supply NOTE The injection of grease supplied with the Gun at the end of the day Will minimize maintenance time and eliminate the need to remove the Mixing Chamber each day to clean it Use of grease with high moisture content will not achieve the desire results LOSS OF AIR PRESSURE EMERGENCY SHUT OFF 1 Using supplied 5 16 Nut Driver push IN on exposed end of Piston Shaft 26 2 CLOSE each Material Supply Valve 5 CAUTION Excessive force closing or opening Manual Valves may result in damage to the Manual Valves and or Coupling Block Page 12 of 27 Made in the USA oh MC m MACHINERY p conrorarion MAINTENANCE To obtain maximum performance from your AP 1 Gun it is necessary to periodically perform certain maintenance operations WARNING Before proceeding with any maintenance work on the AP 1 Gun ensure the Air Safety Slide Valve and the Manual Valves are CLOSED Trigger the Gun to remove internal material pressure It is recommended to remove the Gun from the Coupling Block To prevent possible injury caused by incorrect handling of the raw materials and solvents used in the process carefull
8. 35 GU 04004 3 ee GU 04028 2 GU 04012 7 ap Coupling Block 2 REQ E cA Assembly GU 04001 RA 00006A Aye 00005 be GU 04001 01 GU 02020 00 a 92 2 REQ 2 REQ TN 04193 Page 26 of 27 Page 27 Issue 2 5
9. 6 of 27 AP 1 Service Manual 24 POLYURETHANE Made in the USA PMC MACHINERY p conrorarion CHARACTERISTICS Internal mixing from high pressure impingement Automatic cleaning with air pressure No solvents required Exterior lubrication of the Mix Chamber Weight 2 8 Ibs Dimensions H 8 0 W 4 L 7 0 TECHNICAL SPECIFICATIONS Maximum Working Pressure 3 500 psi Maximum Air Pressure 125 psi Maximum Output 1 1 ratio 40 Ib min Minimum Output 1 1 ratio 3 3 Opening Force 110 psi 200 Ib Closing Force 110 psi 205 Ib Approximate Air Consumption 110 psi 10 cfm Page 7 of 27 24 POLYURETHANE AP 1 Service Manual PM MS ap MACHINERY Made in the USA p conrorarion GENERAL DESCRIPTION For better knowledge of the AP 1 Gun the main components and their description are shown For a more precise identification see the Parts Identification section 1 Block 6 Coupling Block Gasket 2 Coupling Block 7 Coupling Block Mounting Screw 3 Mixing Chamber amp Seal 8 Grease Fitting 3a Air Seal 9 Trigger Handle 4 Air Cap 10 Gun Handle w Screws 5 Manual Valve 11 Air Cylinder w Screw amp Nut Page 8 of 27 Made in the USA of MS MACHINERY p conroration 13 Iso A Screen Screw 18 Check Valve Assembly 13a Poly R Screen Screw not shown 19 O ring 14 Screen 20 Side Seal 21 Cleanout Plug 22 Air Safety Slide Valve 16 O ring 23 Pipe Nipple 17 Spring 24
10. Air Cylinder Mtg Clamp 15 Screen Screw Seal 25 Pipe Plug 26 Piston Shaft not shown 2 Air Coupling Page 9 of 27 24 POLYURETHANE AP 1 Service Manual E MACHINERY Made in the USA p conrorarion INSTALLATION AND START UP CAUTION When working with the AP 1 Gun or performing maintenance work wear suitable safety protection in accordance with the recommendations and specifications provided by the product suppliers 1 Ensure the Coupling Block Manual Valves 5 are closed by turning them to the full clockwise position CAUTION Excessive force closing or opening the Manual Valves may result in damage to the Manual Valves and or Coupling Block 2 CLOSE the Air Safety Slide Valve 22 downward rearward position Connect the AP 1 Gun to the Coupling Block using the supplied Hex Key Wrench TL 04004 Ensure Coupling Block Gaskets 6 are in place 4 Connect the air supply to the Air Safety Slide Valve NOTE The material delivery hoses are color coded Red and Blue allowing the user to recognize them The Hed corresponds to the Isocyanate A and the Blue to the Polyol R To avoid connection errors the Coupling Connections of the Isocyanate A and Polyol hoses are also different sizes which makes it difficult to swap connections 5 OPEN the Air Safety Slide Valve and make sure there are no air leaks 6 Pull the Trigger 9 several times to check for correct movement of the Mixing
11. ION 21 REPLACEMENT 5 Cans auursszxknERENE EESEE DR NE Y REEEREEEFEFEHuME2E FEES 22 ele E 23 AIR PASSAGES 23 PARTS IDENTIFICATION nnmnnn 24 Page 4 of 27 AP 1 Service Manual Made in the USA PMC aie ites EE p conrorarion SAFETY AND HANDLING This chapter contains important information on the safety handling and use of your AP 1 series Gun Before installing the AP 1 Gun and start up carefully read all the technical and safety documentation included in this Manual Pay special attention to the information to know and understand the operation and the conditions of use of the unit All of the information is aimed at enhancing User Safety and avoiding possible breakdowns derived from the incorrect use of the AP 1 Gun WARNING presents information to alert of a situation that might cause serious injuries if the instructions are not followed CAUTION presents information that indicates how to avoid damage to the AP 1 Gun or how to avoid a situation that could cause minor injuries NOTE is relevant information of a procedure being carried out Careful study of this Manual will enable the operator to know the characteristics of the Gun and the operating procedures By following the instructions and reco
12. OSED OPEN see page 10 75 with Air Cap 4 when Gun is Insufficient Gun air pressure Ensure 100 psi of air triggered minimum 100 psi pressure at Gun Trigger Valve requires service Rebuild see page 18 Air Passages plugged Clean See page 21 Material does not spray when Manual Valve 5 CLOSED OPEN see page 10 8 Gun is triggered Mixing Chamber 3 Inlet Orifices Clean see page 20 5lugged Mixing Chamber 3 moves slowly Mixing Chamber 3 moves Reacted material around Side Seals Inspect Side Seals 20 slowly then normal speed 20 and Mixing Chamber 3 for reacted materials clean see page 14 15 Loss of Pattern Mixing Chamber Nozzle di Clean see page 20 Mixing Chamber Air Seal 3A installed Inspect and replace see incorrectly or damaged page 14 Material spray pressure Mixing Chamber 3 Inlet Orifices Clean see page 20 imbalance plugged recommended by material supplier Operating Manual Iso and or Resin in Gun Air Passages Material mist from Mixing Chamber 3 or Air Cap 4 Side Seal O rings 19 damaged Excessive overspray Material temperatures and or spray Adjust see Proportioner pressures not as recommended by Operating Manual material supplier and Gun Block 1 Steady air leakage from Handle Air Cylinder 12 O rings damaged Replace see page 19 Trigger Valve O rings damaged Replace see page 18 NOTE Affer troubleshooting AP 1 Gun and performing solution ensure Proportioner operation is
13. e in material or workmanship it is Customer s responsibility to contact PMC and return the Product to PMC as directed by PMC freight prepaid If PMC determines that the Product is Defective and that such Defect is covered by this Warranty PMC will credit Customer for the reasonable freight charges incurred by Customer in returning the Defective Product to PMC and PMC its authorized agent will at PMC s option repair or replace the Product subject to the following Original Invoice The original invoice must be kept as proof of the date of first sale and the Product serial number The Warranty does not cover any Product if the Original Invoice appears to have been modified or altered or when the serial number on the Product appears to have been altered or defaced Product Maintenance It is the Customers responsibility to maintain the Product properly See your maintenance schedule and owner s manual for details The Warranty does not cover an improperly maintained Product Non PMC Components and Accessories Non PMC manufactured components and accessories that are used in the operation of the Product are not covered by this Warranty Such components and accessories shall be subject to the warranty offered to the Customer if any by the original manufacturer of such component or accessory Other Warranty Exclusions The Warranty does not cover any Product that PMC determines has been damaged or fails to operate properly due to misuse ne
14. efect of the Product is not covered by this Warranty disposition of the Product will be made pursuant to the terms and conditions of PMC s written estimate on a time and materials basis Continuing Warranty for Products Repaired or Replaced under Warranty Following the repair or replacement of a Product covered by this Warranty such Product will continue to be subject to the original Warranty for the remainder of original Warranty Period or for three 3 months from the repair or replacement date whichever is longer No Rights Implied Nothing in the sale lease or rental of any Product by PMC shall be construed to grant any right interest or license in or under any patent trademark copyright trade secret or other proprietary right or material owned by anyone nor does PMC encourage the infringement of same Exclusive Warranty This writing is the final complete and exclusive expression of the Warranty covering the Product Any statements made by PMC its employees or agents that differ from the terms of this Warranty shall have no effect It is expressly understood that Customer s acceptance of this Warranty by performance or otherwise is upon and subject solely to the terms and conditions hereof and any additional or different terms and conditions proposed or expressed by Customer or anyone whether in writing or otherwise are null and void unless specifically agreed to in writing by an Officer of PMC Page 3 of 27 24 POLYURETHANE AP 1
15. ficient ventilation The introduction and follow up of safety measures must not be limited to those described in this Manual Before beginning to work with the Gun a comprehensive analysis must be made of the risks derived from the products to be dispensed the type of application and the working environment To prevent possible injury caused by incorrect handling of the materials and solvents used in the process carefully read the Material Safety Data Sheet MSDS provided by your supplier Deal with the waste caused according to current regulations To avoid damage caused by the impact of pressurized fluids do not open any connection or perform maintenance work on components subject to pressure until the pressure has been completely eliminated Use suitable protection when operating maintaining or being present in the area where the equipment is functioning This includes but is not limited to the use of protective goggles gloves shoes and safety clothing and breathing equipment The equipment includes components that reach high temperatures and can cause burns Hot parts of the equipment must not be handled or touched until they have cooled completely To prevent serious injury through crushing or amputation do not work with the equipment without the safety guards installed on the moving parts Make sure that all the safety guards are correctly reinstalled at the end of the repair or maintenance work of the equipment Page
16. gligence abuse carelessness neglect or accident By way of example only this includes Normal wear and tear Improper or unauthorized installation repair alteration adjustment or modification of the Product Use of heating devices pumping equipment dispensers or other parts or accessories with the Product that have not been approved or manufactured by PMC Failure to follow the operating instructions and recommendations provided by PMC Cosmetic damage Fire flood acts of God or other contingencies beyond the control of PMC Page 2 of 27 AP 1 Service Manual d Made in the USA ETE UHUNE p conrorarion THE WARRANTY DESCRIBED HEREIN IS THE EXCLUSIVE REMEDY FOR THE CUSTOMER AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS IMPLIED STATUTORY OR OTHERWISE AND THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ALL OTHER WARRANTIES ARE HEREBY DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW PMC SHALL NOT BE RESPONSIBLE WHETHER BASED IN CONTRACT TORT INCLUDING WITHOUT LIMITATION NEGLIGENCE WARRANTY OR ANY OTHER LEGAL OR EQUITABLE GROUNDS FOR ANY CONSEQUENTIAL INDIRECT INCIDENTAL LOST PROFITS SPECIAL PUNITIVE OR EXEMPLARY DAMAGES WHETHER TO PERSON OR PROPERTY ARISING FROM OR RELATING TO THE PRODUCT EVEN IF PMC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH LOSSES OR DAMAGES Non Warranty Service by PMC If PMC determines that the suspected D
17. mmendations contained you will reduce the potential risk of accidents in the installation use or maintenance of the AP 1 Gun you will provide a better opportunity for incident free operation for a longer time greater output and the possibility of detecting and resolving problems fast and simply Keep this Service Manual for future reference to useful information If you lose this Manual ask for a new copy from your PMC Service Center or directly contact Polyurethane Machinery Company Page 5 of 27 A POLYURETHANE AP 1 Service Manual PMC E MACHINERY Made in the USA p IMPORTANT SAFETY INFORMATION The AP 1 Gun has been designed and built for the application of polyurea chemical systems polyurethane foam chemical systems and some two component epoxy systems WARNING The design and configuration of the AP 1 Gun does not allow its use in potentially explosive atmospheres or exceeding the pressure and temperature limits described in the Technical Specifications of this Manual to be exceeded Always use liquids and solvents that are compatible with the AP 1 Gun If in doubt consult PMC Technical Service When working with the AP 1 Gun it is recommended that the operator wear suitable clothing and elements of personal protection including without limitation gloves protective goggles safety footwear and face masks Use breathing equipment when working with the Gun in enclosed spaces or in areas with insuf
18. pressure CLOSE the Air Safety Slide Valve 22 Remove the Air Cap 4 Loosen or remove both Screen Screws 13 to ensure no damage to Side Seal 20 faces not shown when the Mixing Chamber 3 is removed Use a 5 16 Nut Driver and unscrew the Piston Shaft 26 not shown from the Mixing Chamber Remove the Mixing Chamber and Air Seal 3A from the front of the Gun 9 Flush gun to remove any residue 10 Clean or replace the Mixing Chamber including Air Seal as required 11 Reassemble the Mixing Chamber in reverse order NOOR N NOTE A small amount of grease applied to the Mix Chamber and Side Seals upon assembly is recommended CAUTION Use wooden or plastic tools or a brass brush for cleaning Do not use metal or abrasive tools that can scratch the contact surfaces Page 14 of 27 AP 1 Service Manual A POLYURETHANE PM Made in the USA BMC mp MACHINERY p conrorarion Screen Screw and Component Maintenance CAUTION To avoid possible contamination by the residual chemical inside the Gun do not interchange the Isocyanate A parts with the Polyol R parts The Isocyanate A side is identified with a groove around the Screen Screw Head 1 CLOSE the Manual Valves 5 by turning them to the full clockwise position CAUTION Excessive force opening or closing the Manual Valves may result in damage to the Manual Valves and or Coupling Block ROI 7 8 Trigger Gun over Waste Con
19. proper Page 20 of 27 Made in the USA m MACHINERY y CORPORATION GUN OPERATION TRIGGERED ON The Mixing Chamber 3 moves rearward shutting off purge air flow and aligning Mixing Chamber Orifices 3B not to scale with Side Seal 20 Orifices This allows material at temperature and pressure to be atomized as it flows into the Mixing Chamber The two atomized materials are impinged on each other and the flow is directed out of the Mixing Chamber Nozzle A slight offset of the Mixing Chamber Orifices causes the material to swirl forming the round pattern TRIGGERED OFF The Mixing Chamber moves forward shutting off material flow through the Side Seal Orifices and Mixing Chamber Orifices Air through porting enters the Mixing Chamber Orifices and expels mixed material out of Mixing Chamber Nozzle Page 21 of 27 POLYURETHANE AP 1 Service Manual PMC E MACHINERY Made in the USA p corporation MIXING CHAMBER KITS Mixing Inlet Orif Nozzle Orifi n rifi ZZ rifi Chamber et ce O e ce Kit Cleanout Drill Cleanout Drill Included with Mixing Chamber REPLACEMENT KITS Side Screen Kits Includes 10 Screens 4 Screen Screw Washers GU 04007 Side Screen O ring Kit Side Size KT 04010 creen Kit nominal Screen P N Includes 6 O rings OR 00038A P N opening 2 Screen Screw Seals GU 040007 80 KT 04000 0 007 Air Cylinder Kit KT 04004 KT 04001 LA OR 00001A O ring 1
20. ront of the Gun Block before removal and reinstalled AFTER the Gun Block is reinstalled 0 00 M HOA Co CAUTION Use wooden or plastic tools or a brass brush for cleaning Do not use metal or abrasive tools that can scratch the contact surfaces Page 16 of 27 AP Service Manual A hx POLYURETHANE Made in the USA mS mp MACHINERY 77 corporation Gun Block Reversal 1 CLOSE the Manual Valves 5 by turning them to the full clockwise position CAUTION Excessive force opening or closing the Manual Valves may result in damage to the Manual Valves and or Coupling Block 5 WN 7 8 Trigger Gun over Waste Container to release internal material pressure CLOSE the air Safety Slide Valve 21 Remove the Mixing Chamber 3 as directed on Page 14 Use a 1 3 8 open end wrench and loosen the Gun Block Retainer Nut 12 Pull the Gun Block 1 forward approximately 1 4 6 35mm to free from the Retaining Pin not shown Rotate the Gun Block 180 degrees and reseat rearward being careful to re engage the Retaining Pin Tighten the Gun Block Retainer Nut NOTE Depending on Hose orientation it may be necessary to remove the Coupling Block from the Gun Whip Hose before performing the Gun Block reversal Page 17 of 27 A POLYURETHANE AP 1 Service Manual E MACHINERY Made in the USA p conronarion Trigger and Trigger Valve Maintenance 1 CLOSE the Manual Valves 5 by turning them
21. tainer to release internal material pressure CLOSE the Air Safety Slide Valve 22 Use a 15 16 open end wrench and remove the Screen Screw 13 Clean or replace the Screen 14 as required Hemove the Side Seal 20 Spring 17 and Check Valve 18 from the Screen Screw If necessary unscrew the access plug 21 to remove the components Inspect the components Gasket 15 and O rings 16 19 Clean or replace as required Apply lubrication to the O rings and threads and reassemble in reverse order The Gun is now ready for service NOTE When replacing O rings replace ALL O rings included in the appropriate Kit Page 15 of 27 A POLYURETHANE AP 1 Service Manual E MACHINERY Made in the USA p corporation Gun Block Removal 1 CLOSE the Manual Valves 5 by turning them to the full clockwise position CAUTION Excessive force in opening or closing the Manual Valves may result in damage to the Manual Valves and or Coupling Block 2 Trigger Gun over Waste Container to release internal material pressure CLOSE the Air Safety Slide Valve 22 Remove Gun from Coupling Block 2 Remove the Mixing Chamber 3 as directed on page 14 Use a 1 3 8 open end wrench and loosen the Gun Block Retainer Nut 12 Carefully pull the Gun Block 1 forward to remove oervice the Gun Block and component parts as required Reassemble in reverse order CAUTION The Mixing Chamber must be removed and installed through the f
22. to the full clockwise CAUTION Opening and closing the Manual Valves with excessive force may result in damage to the Manual Valves and or Coupling Block 2 CLOSE the Air Safety Slide Valve 21 3 Ifthe Gun has the air inlet on the rear optional disconnect the air line and remove the Air Safety Slide Valve 4 Remove the Shoulder Bolt 26a holding the Trigger 9 in place o Unscrew and remove the Retainer Nut 27 of the Trigger Valve 6 Remove 1 16 Pipe Plug located in Gun Handle inside optional air inlet Using a Drift Punch carefully tap out from the rear entire Trigger Valve assembly 7 Replace the O rings and Spring KT 04003 Apply a small amount of grease on all components to facilitate the reassembly NOTE When replacing O rings replace ALL O rings included in the appropriate Kit 8 Inspect clean and or replace all remaining Trigger Valve assembly components Apply a small amount of grease to the inside of the Trigger Valve cavity to facilitate reassembly 9 Reassemble the Trigger and Trigger Valve assembly in reverse order and reinstall 1 16 Pipe Plug CAUTION Use wooden or plastic tools or a brass brush for cleaning Do not use metal or abrasive tools that can scratch the contact surfaces Page 18 of 27 A POLYURETHANE AP 1 Service Manual PMC amp MACHINERY Made in the USA p conrorarion Air Cylinder Maintenance N 1 CLOSE the Manual Valves 5 by turning them to the full clockwise
23. y read the Material Safety Data Sheet MSDS provided by your supplier Deal with the waste caused according to current regulations To prevent serious damage caused by the impact of pressurized fluids never open a connection or perform maintenance work on components subject to pressure until all pressure has been eliminated Use suitable protection when operating maintaining or being present in the area where the equipment is functioning This includes but is not limited to the use of protective goggles gloves shoes and safety clothing and breathing equipment The equipment includes components that reach high temperatures and can cause burns Hot parts of the equipment must not be handled or touched until they have cooled completely To prevent serious injury through crushing or amputation do not work with the equipment without the safety guards installed on the moving parts Make sure that all the safety guards are correctly reinstalled at the end of the repair or maintenance work of the equipment Page 13 of 27 A POLYURETHANE AP 1 Service Manual MACHINERY Made in the USA p corporation 5 at Mixing Chamber Maintenance or Replacement 1 CLOSE the Manual Valves 5 by turning them to the full clockwise position CAUTION Excessive force opening or closing Manual Valves may result in damage to the Manual Valves and or Coupling Block Trigger Gun over Waste Container to release internal material
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