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AIRBRASIVE® UNIT
MODEL K SERIES II
110V/60Hz
AU801
Service Manual
Operation & Maintenance Instructions with Illustrated Parts List
Airbrasive Jet Technologies, LLC
3461 South Clinton Avenue
South Plainfield, NJ 07080
Email: info@airbrasive.com
Phone: (866) 272-0540
www.airbrasive.com
Revised: December 2022
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Summary of Contents for AIRBRASIVE K II Series
- Page 1 AIRBRASIVE® UNIT MODEL K SERIES II 110V/60Hz AU801 Service Manual Operation & Maintenance Instructions with Illustrated Parts List Airbrasive Jet Technologies, LLC 3461 South Clinton Avenue South Plainfield, NJ 07080 Email: info@airbrasive.com Phone: (866) 272-0540 www.airbrasive.com Revised: December 2022...
- Page 2 AIRBRASIVE® MICRO ABRASIVE BLASTING TECHNOLOGY Airbrasive® Jet Machining is a process in which high pressure air and very fine powder are blended in a chamber to form an abrasive mixture. This mixture is then sent through a small, precisely machined nozzle. The result is a highly accurate abrasive stream that can be used for cleaning, cutting, drilling, deburring, and finishing all types of surfaces.
- Page 3 ANGLE OF IMPINGEMENT The angle at which you hold the nozzle regulates the speed and efficiency by which material can be removed from the work piece. There are two theories at play here, one based on material removal by brittle failure and the other on material removal by ductile failure.
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Page 4: Section 1: Introduction And Description
Many compressed air lines are contaminated with moisture, oil, and dirt, which are detrimental to the performance and operation of the Unit. Moisture filters and unloaders must be used. These items can be purchased directly from Airbrasive Jet Technologies, LLC. - Page 5 Section 1a: Description of Components (Sorted Alphabetically by Part #) AC153X | MIXING CHAMBER ASSEMBLY When the mixing chamber is vibrated, powder falls through small holes in the orifice plate assembly and is entrained into the air stream flowing through the chamber base. This is where the air and powder are precisely blended into the mixture you need for your application.
- Page 6 AR140W | CHAMBER PRESSURE ADJUSTMENT Regulates incoming air line pressure to the desired level in the mixing chamber. This regulates the powder cutting pressure. This regulator is not field repairable. In the event of a malfunction, replace. AR140W1 | PINCH VALVE ASSEMBLY REGULATOR Controls the amount of air pressure going to the pinch valve assembly.
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Page 7: Front Panel
FRONT PANEL System Power ON/OFF Switch AM258X Air Pressure Indicator AG105Y Powder Regulation Adjustment AE129X Hand Piece Hose AT105 Powder Regulation Gauge AG113 Hand Piece Assembly AH101Y Chamber Pressure Gauge AG111 Nozzle Various Chamber Pressure Adjustment AR140W Foot Switch AR105X... -
Page 8: Inside The Unit
INSIDE THE UNIT Mixing Chamber Assembly AC153X Pinch Valve Assembly AR142Z3 Pinch Valve Assembly Regulator AR140W1 Air Valve Assembly AR172X Pressure Switch Assembly AE153X Vibrator Assembly AV104Y Filter Assembly AR106X... -
Page 9: Rear View
REAR VIEW Air In Fitting AQ104 Fuse AE104 Electric Outlet AE182... -
Page 10: Section 2: Installation And Unit Checkout
Section 2: Installation and Unit Checkout INSTALLATION A. Connect the end of the AIR IN fitting (19) to the external air supply (see page 2 for supply requirements). B. Set the SYSTEM POWER ON/OFF Switch (1), on the front panel to "Off", and the POWDER REGULATION SETTING Knob (2), completely counterclockwise. -
Page 11: Section 3: Operation Instructions
Section 3: Operation Instructions This section includes a description of the operating procedures and controls. The operation instructions also describe the capability and use of the UNIT. FILLING THE POWDER CHAMBER Observe the following procedures when filling the powder chamber. NOTE: Follow these instructions every time you need to open the front panel: A. - Page 12 TURN-OFF PROCEDURES When turning the unit off for short periods of time, set the SYSTEM POWER ON/OFF switch to "Off" position. If the unit is to be shut down for an extended period, proceed as follows: A. Set SYSTEM POWER ON/OFF switch to "Off. B.
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Page 13: Section 4: Service Instructions & Component Maintenance
Section 4: Service Instructions & Component Maintenance PERIODIC INSPECTION This unit should be inspected periodically for the following signs of wear. A. Damaged case or top cover. B. Frayed or worn hoses. C. Frayed or broken wires. D. Blown indicator lamp. E. - Page 14 Unit. If the Vibrator does not function properly, it must be removed and returned to Airbrasive Jet Technologies, LLC, for readjustment and/or repair. To remove the assembly, disconnect the power cord, air supply, all electrical wires and pneumatic hoses (and tag) from the vibrator (17) and mixing chamber (11).
- Page 15 B. Remove the one screw that retains the mixing chamber to vibrator via the small cleat. Use the Hex T-handle (AM244). Loosen the other two screws from the larger double cleat. C. Loosen the three screws which retain the base cap of the mixing chamber. D.
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Page 16: Section 5: Service Tips
C. Reused, contaminated, or improper powders. Such powders can decrease flow or clog the Unit completely, especially at the mixing chamber orifices and at the hand piece nozzle. Never reuse powder. Use of Airbrasive’s ABRASIVE Powders exclusively is recommended. We strongly recommend against the use of other commercial powders because they are rarely classified adequately for use with the AIRBRASIVE apparatus, causing needless maintenance and repairs. -
Page 17: Section 6: Troubleshooting
Section 6: Troubleshooting TROUBLE POSSIBLE CAUSE REMEDY 1. With SYSTEM POWER ON/OFF a. Blown back panel fuse. a. Replace fuse. switch "On", switch doesn’t light. b. Switch burnt out. b. Replace switch. c. No input power. c. Check external input power. 2. - Page 18 PINCH VALVE ASSEMBLY (AR142Z1) Screw, Knurled (2) AR113 Spring AR126 Block, top AR119 Depressor AR129 Hose fitting (2) AQ130X Diaphragm AR121 Pinch valve AR142 Plunger AR115 Screw, special (2) AF126 O-ring AO118 Block, bottom AR112 Body AR171 Sleeve AR117...
- Page 19 MIXING CHAMBER ASSEMBLY Nut Cap AF402 Base Cap AC114 AC135 Base Gasket AO108 Gasket AO111 Base Screw AF105A Door O-Ring AO129 Guide Pin AC117 Door AC137 Orifice Plate Assembly AC141X Mixing Chamber AC153 Spring AC140 Fitting AQ155 AC139 Washer AF700 Retainer Screw AF168 Carbide Assembly Fitting...
- Page 20 HAND PIECE ASSEMBLY (AH101Y)
- Page 21 WIRING DIAGRAM...
- Page 22 PNEUMATIC DIAGRAM...
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Page 23: Recommended Spare Parts List
RECOMMENDED SPARE PARTS LIST Part # Description Quantity AH112 Nozzle Connect K, H & HME AO118 O-Ring AQ129X Nipple Assembly AQ130X Nipple Assembly AQ158 Nipple Assembly AR106X Powder Filter Assembly AR112 Bottom Block, Std. Pinch Valve AR115 Piston (Plunger) AR119 Top Block, Std. - Page 24 AN145T75 Our Customer Service team is always available to ensure your complete satisfaction. Please contact us at (866) 272-0540 or at info@airbrasive.com for general inquiries or price quote requests, and one of our team members will respond within 24 hours.
- Page 25 AQ123 Nozzle Adapter Nozzle Adapter Nozzle AN145 Connector AN148 HME Nozzle Attachment AN106 AN115 AN106 AH109 Standard Nozzle Industrial Nozzle Standard Nozzle Carbide Insert Airbrasive Jet Technologies, LLC 3461 South Clinton Avenue, South Plainfield, NJ 07080 (866) 272-0540 info@airbrasive.com www.airbrasive.com...
- Page 26 (35 lb.) Our Customer Service team is always available to ensure your complete satisfaction. Please contact us at (866) 272-0540 or at info@airbrasive.com for general inquiries or price quote requests, and one of our team members will respond within 24 hours.
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