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Please visit Tregaskiss.com for the most up-to-date information. Additional Material – For additional support materials such as spec sheets, troubleshooting information, how-to guides and videos, animations, online configurators and much more, please visit Tregaskiss.com. Scan this QR Code with your smart phone for immediate access to Tregaskiss.com/TechnicalSupport...
TABLE OF CONTENTS SECTION 1 — SAFETY PRECAUTIONS — READ BEFORE USING 1-1 Symbol Usage 1-2 Arc Welding Hazards 1-3 California Proposition 65 Warnings 1-4 Principal Safety Standards 1-5 EMF Information SECTION 2 — CONSIGNES DE SÉCURITÉ — LIRE AVANT UTILISATION 2-1 Symboles utilisés 2-2 Dangers relatifs au soudage à l'arc 2-3 Proposition californienne 65 avertissements 2-4 Principales normes de sécurité 2-5 Informations relatives aux CEM SECTION 3 — PRECAUCIONES DE SEGURIDAD — LEA ANTES DE USAR 3-1 Uso de símbolos 3-2 Peligros en soldadura de arco 3-3 Advertencias de la Proposición 65 del estado de California...
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7-7 Setting Up Nozzle Detect SECTION 8 — OPERATION 8-1 Understanding L.E.D. Indicators 8-2 Programming Events Sequence 8-3 Manual Operation 8-4 Adjusting Flow Control Valves SECTION 9 — MAINTENANCE 9-1 Replacing the Spindle Limit Switch 9-2 Replacing the Clamp Limit Switch 9-3 Replacing the Air Motor 9-4 Replacing the Drive Belt 9-5 Replacing the Solenoid Valves 9-6 Replacing the Circuit Board 9-7 Removing the Spray Containment Unit 9-8 Replacing the Cutter Blade 9-9 Removing the Anti-Spatter Fluid Reservoir 9-10 Scheduled Maintenance SECTION 10 — TECHNICAL DATA 10-1 Pneumatic Diagrams 10-2 Electrical Schematic SECTION 11 — PARTS LIST SECTION 12 — TROUBLESHOOTING 12-1 TOUGH GUN TT4A Reamer 12-2 Lubricator 12-3 Spray Containment Unit 12-4 Anti-Spatter Fluid Reservoir...
SECTION 1 — SAFETY PRECAUTIONS — READ BEFORE USING Protect yourself and others from injury – read, follow, Consult symbols and related instructions below for necessary and save these important safety precautions and actions to avoid the hazards. operating instructions. 1-2 Arc Welding Hazards 1-1 Symbol Usage The symbols shown below are used throughout this DANGER! – Indicates a hazardous situation which, if manual to call attention to and identify possible hazards. ...
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READ INSTRUCTIONS. Read and follow all labels and the Owner's Manual carefully before installing, operating, or servicing unit. Read the safety information at the beginning of the Manual and in each section. Use only genuine replacement parts from the manufacturer. Perform installation, maintenance, and service according to the Owner's Manuals, industry standards, and national, state, and local codes. OM-TT4A-1.0...
1-3 California Proposition 65 Warnings WARNING: This product can expose you to chemicals For more information, go to www.P65Warnings.ca.gov. including lead, which are known to the state of California to cause cancer and birth defects or other reproductive harm. 1-4 Principal Safety Standards Safety in Welding, Cutting, and Allied Processes, American Welding Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P- Society standard ANSI Standard Z49.1. Website: www.aws.org. 1 from Compressed Gas Association. Website: www.cganet.com. Safe Practice For Occupational And Educational Eye And Face Safety in Welding, Cutting, and Allied Processes, CSA Standard Protection, ANSI Standard Z87.1, from American National ...
SECTION 2 — CONSIGNES DE SÉCURITÉ — LIRE AVANT UTILISATION Pour écarter les risques de blessure pour vous-même et pour autrui — lire, appliquer et ranger en lieu sûr Reportez-vous aux symboles et aux directives cidessous afin de ces consignes relatives aux précautions de sécurité et connaître les mesures à prendre pour éviter tout danger. au mode opératoire.
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Le BRUIT peut endommager l’ouie. Le bruit des processus et des équipements peut affecter l’ouïe. Vérifier si les niveaux de bruit excèdent les limites spécifiées par l’OSHA. Utiliser des bouche-oreilles ou des serre-tête antibruit approuvés si le niveau de bruit est élevé. Avertir les personnes à proximité au sujet du danger inhérent au bruit. ...
2-3 Proposition californienne 65 avertissements AVERTISSEMENT – Ce produit peut vous exposer à des Pour plus d’informations, consulter www.P65Warnings.ca.gov. produits chimiques tels que le plomb, reconnus par l’État de Californie comme cancérigènes et sources de malformations ou d’autres troubles de la reproduction 2-4 Principales normes de sécurité Safety in Welding, Cutting, and Allied Processes, American Welding Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P- Society standard ANSI Standard Z49.1. Website: www.aws.org. 1 from Compressed Gas Association. Website: www.cganet.com. Safe Practice For Occupational And Educational Eye And Face Safety in Welding, Cutting, and Allied Processes, CSA Standard ...
SECTION 3 — PRECAUCIONES DE SEGURIDAD — LEA ANTES DE USAR Protéjase usted mismo y a otros contra lesiones — lea, cumpla y conserve estas importantes Consulte los símbolos y las instrucciones relacionadas que precauciones de seguridad e instrucciones de aparecen a continuación para ver las acciones necesarias para utilización. evitar estos peligros. 3-1 Uso de símbolos 3-2 Peligros en soldadura de arco PELIGRO! –...
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EL RUIDO puede trastornar su oído. Ruido proveniente de algunos procesos o equipo puede dañar el oído. Chequee los límites del nivel del ruido si exceden aquellos especificados por OSHA. Use tapas para los oídos o cubiertas para los oídos si el nivel del ruido es demasiado alto. Advierta a otros que estén cerca acerca del peligro del ruido. ...
3-3 Advertencias de la Proposición 65 del estado de California ADVERTENCIA: Este producto puede exponerlo a químicos, Para obtener más información, acceda a incluso plomo, que el estado de California conoce como www.P65Warnings.ca.gov. causantes de cáncer, defectos de nacimiento u otros daños reproductivos. 3-4 Estándares principales de seguridad Safety in Welding, Cutting, and Allied Processes, American Welding Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P- Society standard ANSI Standard Z49.1. Website: www.aws.org. 1 from Compressed Gas Association. Website: www.cganet.com. Safe Practice For Occupational And Educational Eye And Face Safety in Welding, Cutting, and Allied Processes, CSA Standard ...
(3) Products which have not been operated, maintained, and repaired pursuant to Product documentation provided by Tregaskiss. Purchaser shall pay Tregaskiss for all warranty claim costs incurred by Tregaskiss (including inspection, labor, parts, testing, scrap and freight) due to warranty claims submitted by Purchaser which are not covered by Tregaskiss’...
SECTION 5 — SPECIFICATIONS Robotic Peripheral for GMAW Welding Air Requirements: Rated Voltage: 24 VDC Min. 80 to max. 100 psi (5.5 to 7.0 bar) at 16 CFM (450 LPM) Operating Voltage: ±10% of rated voltage Air Motor (at min. air requirement): Power Consumption: Max. wattage in operation 5.3 W Stall torque at 80 psi (5.5 bar) = 83 in-lbs (9.4 Nm) Anti-Spatter Requirements: Water-based anti-spatter liquid must be used. Oil-based anti-spatter solution will compromise performance. 5-1 System Components For complete parts list, please see Section 11 — Parts List on page 37. OM-TT4A-1.0...
SECTION 6 — INSTALLATION 6-1 Installing the Reamer WARNING: Ensure power supply is off and disconnected before proceeding. Please follow your facility's lockout / tagout procedures. A. To Mount TOUGH GUN TT4A Reamer The TOUGH GUN Reamer should be installed within the weld cell where it is clear of all tooling and convenient for the robot to access the unit. 1. Affix the reamer base to a sturdy platform using four (4) M10x1.5x25 mm bolts provided. Figure 6-A NOTE: The reamer can be mounted on an angle (no more than 45°) and can be mounted overhead, only by using the multi-feed adapter kit (part # TT4-MF-100). Ensure debris falls away from the clamp housing. OM-TT4A-1.0...
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Figure 6-B B. To Connect Air Supply NOTE: Push the HOME POSITION button before connecting air line. 1. Use only dry, filtered, lubricated air. IMPORTANT: Requirements: 80-100 psi at 16 CFM (5.5-7.0 bar at 450 LPM) at the reamer during operation. 2. Use an air supply line with an inside diameter of 3/8". Connect to a 1/4" NPT T-fitting located on the side of the reamer. OM-TT4A-1.0...
6-2 Installing the Wire Cutter WARNING: Ensure air and power supply is off and disconnected before Figure 6-D proceeding. Please follow your facility's lockout / tagout procedures. A. Mounting Wire Cutter 1. The wire cutter should be installed within the weld cell where it is clear of all tooling and convenient for the robot to access the unit. The base plate has been designed for mounting on top of the TOUGH GUN Reamer. Be sure to consider movable fixtures and the confines of the robot. 2. Attach the WC-400 wire cutter base to the top of the reamer, or other sturdy platform using the same three (3) M6x1.0x20 mm Socket Head Cap Screws (SHCS) that are securing the clamp housing cover onto the reamer. (see Figure 6-D) 3. If mounting a WC-100 wire cutter (old style) to the reamer, use three (3) M6x1.0x25 mm SHCS. 4. Thread the M12 connector into the 4-Pin receptacle labeled “Wire Cutter” located on the Setup Switch plate (on the side of the reamer). Figure 6-C Figure 6-E B. Connecting Air Supply 1. Use only dry filtered air. IMPORTANT: Requirements – 80-100 psi at 16 CFM (5.5-7.0 bar at ...
6-3 Installing Nozzle Detect WARNING: Ensure air and power supply is off and disconnected Figure 6-F before proceeding. Please follow your facility's lockout / tagout procedures. NOTE: This nozzle detect sensor has a sensing range of 5 mm and can detect any metallic part that comes within this sensing range. The accuracy is ± ≤2% (0.1 mm). The circuit is normally open until the sensor detects a metallic part within its sensing range. The green LED on the sensor will always be on if there is power to the reamer. A. Mounting Nozzle Detect 1. Using two (2) M3x0.5x16 mm SHCS, attach the nozzle detect to the side of the clamp housing in the two threaded holes. Torque to 8-10 in-lbs. 2. Connect the nozzle detect cable into the receptacle labeled “Nozzle Detect” located on the setup switch plate. OM-TT4A-1.0...
SECTION 7 — SETUP 7-1 Air Motor Lubricator WARNING: The TOUGH GUN Reamer must be operated with lubricated air using the air motor lubricator. The lubricator should be set to feed one drop of oil for every 100-150 CFM of air going through the motor (approximately 1 drop every 10-20 cycles or 1 drop per two minutes of operation). The lubricant can be air motor oil or light grade hydraulic oil with a viscosity rating of 150 VC 15-20 (SAE 5W). 7-2 Accessing Electrical and Pneumatic Controls WARNING: Ensure power supply is off and disconnected before proceeding. Please follow your facility's lockout / tagout procedures. To access the electronic circuit board for installation or service for the TOUGH GUN Reamer: 1. ...
7-3 Wiring Interface Connections WARNING: The following connection should only be performed by a qualified technician. Damage to equipment will occur if connections are incorrect. To interface the TOUGH GUN Reamer with the controller, five Figure 7-A (5) electrical connections are required: ORANGE LEAD: Cycle Start output from PLC / controller (0.25 amp) WHITE LEAD: 0 VDC supply 0.5 amp constant RED LEAD: 24 VDC supply 0.5 amp constant GREEN LEAD: Home Signal Jaws Unclamped input to PLC / controller (0.25 amp) BLACK LEAD: Sprayer output from PLC / controller (0.25 amp) NOTE: The pre-wired interface receptacle uses the above color codes. The circuit board of the reamer is capable of both sourcing or sinking inputs and outputs: ...
7-4 Inversing Circuit Board Logic WARNING: Before start-up, ensure that all connections are correct, Figure 7-B or damage to the TOUGH GUN Reamer will occur. The TOUGH GUN Reamer is factory set for Sourcing inputs and outputs. IMPORTANT NOTE: Although the circuit board is protected, Tregaskiss recommends disconnecting the power before moving the switches. DEFINITIONS: Sinking = signal from PLC / controller is LOW (0 VDC) Sourcing = signal from PLC / controller is HIGH (+24 VDC) (see section 10-2 Electrical Schematic on page 36). The control logic requirement for some installations may require an inverse of the logic provided. To switch from Sourcing to Sinking: The switches located inside the rear access door must be accessed. See section 7-2 Accessing Electrical and Pneumatic Controls on page 16 for directions. 1. Disconnect from power supply. 2. Move the switches to the desired positions (SRC or SNK). 3. Connect power back into the reamer.
7-5 Setting Up V-Block WARNING: Ensure power and air supply are off and disconnected Figure 7-C before proceeding. Please follow your facility's lockout / tagout procedures. PRO TIP: Removing and/or installing the top cover will be difficult if the air has not been disconnected. Disconnect the air prior to removing and/or installing the top cover. 1. Remove the four (4) cover screws at the top of the reamer. 2. Lift the clamp cover off completely. 3. Lift and rotate the v-block so the desired size faces outward from between the front jaws. See V-Block Size Chart below: Part # Nozzle Outside Diameter for each side of V-block TR-2150 0.850" 0.938" 1.062" 1.106"...
7-6 Setting Up Nozzle Heights for Cutter Blade Insertion A. Setting Nozzle Heights See the chart below in order to find the correct height to set your nozzle for proper cutter blade insertion: Retaining Head / Gas Diffuser Cutter 404-20, 404-26, 404-30, 404-32 , D-ATSH, D-ATTH Nozzle Blade 3/4" RCT-13 0.375" 9.53 mm (19.05 mm) 5/8" RCT-01 0.225" 5.72 mm (15.88 mm) 1/2" ...
7-7 Setting Up Nozzle Detect WARNING: Please follow your facility's lockout / tagout procedures. IMPORTANT: In order for the system to operate properly, the sensor signal must be monitored. A. Setting Up Nozzle Detect 1. With a nozzle on the gun, move the robot into position beside the nozzle detect sensor. 2. Measure the distance from the tangent face of the nozzle to the face of the nozzle detect sensor, ensuring that it is 3 mm ± 1 mm. 3. The ring crimp on the nozzle should be in line with the center of the sensor (yellow circle portion on the face of the sensor). The vertical distance between the top of the reamer clamp housing and the base of the nozzle outer shell should be approx. 0.10". Figure 7-E OM-TT4A-1.0...
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Figure 7-F B. Testing Nozzle Detect 1. Move robot into position beside the nozzle detect sensor (with a nozzle on the gun). The yellow LED should illuminate. 2. Move robot away from the nozzle detect sensor and remove the nozzle (keeping the retaining head on). 3. Move robot back to the programmed position that was used in Step 1 above. The yellow light should not illuminate, indicating that there is no nozzle on the gun. NOTE: Adjustments may be necessary if you are not using genuine Tregaskiss® consumables. The setup distances may change but the procedure does not change. Figure 7-G Figure 7-H OM-TT4A-1.0...
SECTION 8 — OPERATION 8-1 Understanding L.E.D. Indicators The L.E.D. indicators mounted on the circuit board of the TOUGH Figure 8-A GUN Reamer supply visual information regarding cycle status. This information may be used for both installation and maintenance to verify proper operation. When the TOUGH GUN Reamer is Home, L.E.D. status should appear as labeled in the chart and diagram below. Indicates that the lift cylinder has retracted, the cutter is at the bottom of its stroke, the limit pin is activating the REAMER HOME lower limit switch and the clamps are open and the lower limit switch is working properly. CLAMP / Indicates short with clamp or motor MOTOR VALVE valve when ‘ON’. SHORT Indicates that the TOUGH GUN Reamer has reached full upper stroke and the limit pin is activating the upper limit switch. Unless the Reamer gets stuck REAMER AHEAD at the top, this L.E.D. will only be ‘ON’ ...
8-2 Programming Events Sequence A. Programming Cutter Blade / Reamer Sequence 1. Verify the TOUGH GUN Reamer L.E.D. is showing Unclamped and Reamer Home. 2. Position the robot to place the MIG gun nozzle so it is tangent to the two (2) angled faces of the v-block, at the proper insertion depth and concentric with the cutter blade (see section 7-6 Setting Up Nozzle Heights for Cutter Blade Insertion on page 20). 3. Cycle Start - Supply output signal from the robot controller / PLC. Pulse output for 0.5 seconds. 4. TOUGH GUN Reamer will perform cleaning cycle. 5. When the Cycle Start signal is supplied to the reamer, Reamer Home and Unclamped L.E.D.s will turn off. There should be no illuminated L.E.D.s on the board until the reamer reaches the top of its stroke. At this point, the Reamer Ahead L.E.D. will illuminate for a split second before the spindle begins to retract. 6. Once the reamer reaches the bottom of the stroke again, the motor will stop spinning, the clamps will open to release the nozzle and the Reamer Home and Unclamped L.E.D.s will be illuminated again. The PLC should check for the Home signal before letting the robot move. 7. The gun can now be safely removed from the TOUGH GUN Reamer clamps and moved to its spray position. Figure 8-B B. Programming Sprayer Sequence ...
The manual momentary override switches allow Figure 8-C confirmation that the lift cylinder, jaw clamping and sprayer air circuits are operational. To manually operate the TOUGH GUN TT4A Reamer: NOTE: The HOME POSITION button should be pressed prior to manual setup to reset all circuitry 1. Locate the setup switches on the air supply side of the reamer (opposite the reservoir). 2. Operate the switches as required. 8-4 Adjusting Flow Control Valves ...
SECTION 9 — MAINTENANCE NOTE: For ease of maintenance, the reamer can be removed from the welding environment and serviced in a proper maintenance area. Being able to move the reamer around will assist in the replacement of some parts, such as the motor, spindle limit switch, solenoid valves, etc. 9-1 Replacing the Spindle Limit Switch WARNING: Ensure air and power supply is off and disconnected Figure 9-A before proceeding. Please follow your facility's lockout / tagout procedures. NOTE: It may be necessary to remove or disconnect some pneumatic tubing to access the required components and fasteners. 1. Open the rear cover. 2. Remove the two (2) lower 3-pin circuit board connectors. 3. Remove the one fastener on the limit switch bracket. 4. Remove assembly and replace with new part. Ensure the actuator is clear of all limit switches when the new assembly is installed. 5. Align the new bracket with the dowel holes on the reamer frame face, then reinstall fastener. 6. Plug in the tabbed 3-pin circuit board connectors (see section 10-2 Electrical Schematic on page 36). OM-TT4A-1.0...
9-2 Replacing the Clamp Limit Switch WARNING: Ensure air and power supply is off and disconnected Figure 9-B before proceeding. Please follow your facility's lockout / tagout procedures. 1. Remove the top plate of the reamer. 2. Open the rear cover. 3. Disconnect the 3-pin connector from the lower right corner of the circuit board. 4. Loosen the screws and remove the wires from the circuit board connector. NOTE: Be aware of the wire colors and their positions within the connector ( see section 10-2 Electrical Schematic on page 36). 5. Remove the clamp limit switch fastener and remove assembly (pull the wires through the grommet). 6. Slide the two wires through the grommet into the TOUGH GUN Reamer. 7. Fasten the new clamp limit switch into position. 8. Install the two wires into the new keyed circuit board connector (see section 10-2 Electrical Schematic on page 36). 9. Clip the circuit board connector into location on the circuit board.
9-3 Replacing the Air Motor WARNING: Ensure air and power supply is off and disconnected Figure 9-C before proceeding. Please follow your facility's lockout / tagout procedures. 1. Open the rear cover by loosening the two (2) thumb screws or remove it completely by removing the three (3) BHCS using a 3 mm Allen wrench. 2. Remove the tension lock screw located on the side of the reamer under the reservoir. 3. Push the motor in to release belt tension, and slide the belt off the front pulley at the same time. 4. Disengage belt from the rear pulley. 5. Release the air lines from the quick disconnect air fittings at the front of the motor. 6. Pull the motor out. IMPORTANT: Be careful not to lose the belt tension spring. 7. Reverse the order of the above steps for reassembly. 9-4 Replacing the Drive Belt WARNING: Ensure air and power supply is off and disconnected before proceeding. Please follow your facility's lockout / tagout ...
9-5 Replacing the Solenoid Valves WARNING: Ensure air and power supply is off and disconnected Figure 9-D before proceeding. Please follow your facility's lockout / tagout procedures. 1. Shut off the power to the reamer. 2. Shut off the air supply to the reamer. 3. Open the rear cover. 4. Unplug the electrical connector directly from the bottom of the solenoid valve. 5. Loosen and remove the two (2) solenoid valve screws. 6. Remove the solenoid valve and gasket. NOTE: New gasket (included with new valve) must be installed when replacing valve. 7. Install the new gasket and valve and tighten screws to 6 in-lbs. 8. Reconnect the electrical connector to the bottom of the solenoid valve. 9. Close the rear cover. 9-6 Replacing the Circuit Board ...
9-7 Removing the Spray Containment Unit WARNING: Ensure air and power supply is off and disconnected Figure 9-F before proceeding. Please follow your facility's lockout / tagout procedures. 1. Remove the two (2) thumb screws on the side of the spray containment unit. 2. Lift the spray containment cover out of the container. 3. The baffle rests on the inside of the container and can be pulled out once the cover is removed. 4. Remove the two (2) M5 SHCS on either side of the spray containment unit that secure it to the spray head. 5. Lift the spray container straight up over the spray head to remove. 6. Installation is the opposite of the removal procedures. OM-TT4A-1.0...
9-8 Replacing the Cutter Blade WARNING: Ensure air and power supply is off and Figure 9-G disconnected before proceeding. Please follow your facility's lockout / tagout procedures. A. To Remove the Cutter Blade 1. Remove the two (2) M5 SCHS that secure the spray containment unit onto the spray head. 2. Remove the spray containment unit. 3. Remove the cutter blade by using a 5/8” wrench and the supplied 9/16” wrench to turn the cutter blade counterclockwise when viewed from above. NOTE: Considerable force may be required to loosen the cutter blade since it tightens naturally as the reamer operates. R est the 9/16” flat wrench against the reamer frame (below the air connection). T his prevents slipping while trying to remove the cutter blade. B. To Install the Cutter Blade 1. ...
9-9 Removing the Anti-Spatter Fluid Reservoir WARNING: Ensure air and power supply is off and disconnected Figure 9-H before proceeding. Please follow your facility's lockout / tagout procedures. A. To Remove the Reservoir 1. It is recommended that the reservoir be empty prior to removing it from the reamer. 2. In the event that there is still fluid left in the reservoir, it can be emptied while still secured onto the reamer. a. Remove the front spindle cover by loosening the 4 BHCS on either side of the cover. b. On the right hand side of the sprayer check valve there is a black 5/16” fluid supply line. B efore disconnecting the supply line, have a small container ready to catch the fluid as it drains out.
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B. To Install the Reservoir 1. Installation is the reverse of removal. 2. Once the fluid supply line is attached to the sprayer check valve, the reamer will have to be re-primed in order to spray liquid. Figure 9-J OM-TT4A-1.0...
9-10 Scheduled Maintenance The TOUGH GUN TT4A Reamer will require a periodic maintenance program to ensure a reliable service life, as recommended below: DAILY The oil level in the lubricator reservoir. The life of the air motor is dependent on a consistent supply of oil. CHECK CHECK The air lines and interface cable for leaks and fraying. CHECK The alignment of the nozzle, retaining head/diffuser and gun position. CHECK The reservoir to ensure it is full of TOUGH GARD anti-spatter liquid or other water-based anti-spatter solution. CLEAN The spindle cover shroud to ensure it is free of spatter. CLEAN The reamer clamp jaw and v-block surfaces to ensure proper nozzle alignment. WEEKLY The nozzle cutter blade. The service life of the cutter blade is dependent on the type of application. In lighter duties, the blade CHECK may last indefinitely but should be inspected weekly for dullness, clogging and possible breakage.
12-2 Lubricator PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION 1. Oil fill level low. 1. Oil depleted in bowl. 1. Refill oil bowl to correct level using air motor oil. 2. Incorrect oil drip rate. 1. Drip rate valve not set properly. 1. Set drip rate valve so that one (1) drop of oil occurs every 5-10 ream cycles. 2. Filter element clogged. 2. Remove bowl assembly and clean filter element. 3. Steel supply lines clogged. 3. Remove steel supply lines and clean using compressed air. If damaged, replace steel lines. 3. Air leaks between the bowl and 1. Breakage of bowl o-ring. 1. Replace bowl o-ring. Grease up before the body. assembling. 4. Air leaks from the pressure 1. Foreign matter caught in the valve. 1. ...
12-5 Filter/Regulator PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION 1. Pressure is not regulated. 1. Opposite flow direction or opposite 1. Install piping or filter/regulator correctly as installation of filter/regulator. shown in manual. 2. Foreign materials caught in the valve 2. Remove the valve guide to clean the valve seat. and valve seat. 2. Set pressure does not return to zero 1. Foreign materials caught in the valve 1. Remove the valve guide to clean the valve when pressure handle is loosened. seat. and valve seat. 3. Large air resistance reduces flow rate. 1. Clog of the element. 1. Clean the element. 4. Air leaks from the bonnet exhaust port. 1. Diaphragm is damaged. 1. ...
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