Table of Contents
Summary of Contents for Aseptico AA-75CF
- Page 1 SERVICE MANUAL & PARTS LIST AA-75CF NSN: 6520-01-456-7170 (Part 2 of 2) P.O. Box 1548 Woodinville, WA 98072-1548 12/98 1-800-426-5913 * 425-487-3157 * Fax: 425-487-2608 email: info@aseptico.com * Internet: www.aseptico.com P/N 4202252...
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Page 2: Table Of Contents
Table of Illustrations Maintenance and Servicing Instructions . . .3 Figure A: AA-75CF Cleaning and Lubrication ....3 Component Identification ....5 Performance Verification . -
Page 3: Maintenance And Servicing Instructions
Maintenance and Servicing Instructions Cleaning and Lubrication Exposed surfaces of the AA-75CF should be disinfected with a commercial dental disinfectant. Abrasive cleaning agents have the potential to damage surface finishes and should be avoided. To minimize the risk of corrosion do not use chlorinated solvents to clean either the inside or the outside of the compressor valves, the air storage tank or the aftercooler assembly. -
Page 4: Disassembly, Repair, Replacement, Reassembly And Check Out
Verify system is powered. Reset duplex outlet circuit breaker. Disassembly, Repair, Replacement, Reassembly and Check Out The AA-75CF has been designed for minimal required maintenance. Compressor service should be performed every two thousand hours and component service should be required only when compo- nent damage occurs or service life is exceeded. -
Page 5: Figure Aaa-75Cf Component Identification
Figure A AA-75CF Component Identification Exhaust Baffle Intake Fan Assembly Aftercooler Housing Assembly Pressure Switch Compressor Air Storage Tank Assembly Transformer Electronics Module Figure B Compressor Chassis Removal Case Bumper Screws Page 5... -
Page 6: Compressor Removal
Compressor Removal Reference Figure Group C Tools: 1/4 and 5/16 hex drive or Allen wrench, flat head screwdriver, 12 in. or smaller crescent wrench, pliers, and 1/4 open face wrench. 1. Remove compressor chassis from case bottom as per the Compressor Chassis Removal section. 2. -
Page 7: Figure D Service Kit Installation
Figure D Service Kit Installation ITEM PART NUMBER Cylinder Head 720015 *Head Gasket 730383 *Outlet Valve 730383 Plate Valve 720015 *Inlet Valve 730383 *Cylinder Gasket 730383 Cylinder 720015 *Piston Ring 730383 *Piston Seal 730383 Piston Rod Assembly 720015 *Rider Ring 730383 Motor Mount Bolt, Nut, Washer Commercial... -
Page 8: Service Kit Installation
Reference Figure D Compressor Motor Service Kit Installation (Adapted from Gast Operation & Maintenance Technical Manual). The compressor motor service kit contains the following: Head Gasket, Valves, Cylinder gasket, Piston Rings, Piston Seals, Rider Ring, and Felts. Dis-Assembly Tools: 3/16, 1/4, and 5/16 hex drive or Allen wrench, flat head screwdriver, 12 in. or smaller crescent wrench, pliers, and 1/4 open face wrench. -
Page 9: Aftercooler Assembly Replacement
Figure E - Aftercooler Removal Aftercooler Housing Screws (5) Push-In Elbow Fitting Fan Plug Straight Push-In Fitting Release Rings Aftercooler Bolts (4) 3. Remove media guard and media from the fan guard assembly. 4. Remove the four aftercooler fan bolts. 5. -
Page 10: Pressure Switch Replacement
Tools: 1/8 hex drive or Allen wrench, #2 Phillips screw driver, 12 in. or smaller crescent wrench, thread seal- ing compound or Teflon tape. 1. Unplug the AA-75CF compressor and drain the air storage tank. 2. Remove compressor chassis from case bottom as per the Compressor Chassis Removal section. -
Page 11: Replacing Pneumatic Tubing
Figure F Peak Pressure Adjustment Pressure Switch Leads Compressor Cut-In/Cut-Off Pressure Differential Adjustment Unloader Valve Nut Motor Wire Connections Control Wire Connections Figure G Star Washer Tank Removal Tank Assembly Screws Check Valve 1/8 Tube Fittings Push-In Elbow Fitting Replacing Pneumatic Tubing 1. -
Page 12: Removing Electronics Module
Removing the Electronics Module Reference Figure I Tools: 1/8 hex drive or Allen wrench and serviceable thread locking compound. 1. Remove compressor chassis from case bottom. 2. Uncouple control wire set connector and motor wire set connector. 3. Remove the two electronics mounting screws. 4. -
Page 13: Figure J: Aa-75Cf System Wiring Schematic
AA-75CF SYSTEM WIRING SCHEMATIC Figure J AA-75CF SYSTEM PNEUMATIC SCHEMATIC Figure K Page 13... -
Page 14: Parts List
PARTS LIST Reference Figure 1 ITEM PART NUMBER QUANTITY Case, Mil. Spec., Bottom 410128 Identification Plate, Case 420229 Weather stripping 730375 63in. Case Bumper 730109 SCREW, Hex head,Stnl, Commercial 1/4-20 x 1 1/4 Reference Figures 2 & 3 ITEM PART NUMBER QUANTITY Case, Mil. -
Page 15: Figure 1 Case Base
Figure 1 Case Base Figure 2 Case Top - Inside Figure 3 Case Top - Outside Page 15... -
Page 16: Compressor Chassis
Reference Figure 4 ITEM PART NUMBER QUANTITY Chassis Base 330260 Vibration Isolator 730314 SCREW, Flathead Phillips, Commercial Stnl, 1/4-20 x 1/2 Chassis Corner Bracket 330261 Motor Mount 330255-08 NUT, Serrated flange, Stnl, 5/16-18 Commercial WASHER, Mil. Spec. 15795-812 Commercial BOLT, Hex head, Stnl, 5/16-18 x 2 Commercial Chassis Corner Angle 460747-08... -
Page 17: Figure 4 Compressor Chassis
Figure 4 Compressor Chassis Figure 5 Air Storage Tank Page 17... -
Page 18: Transformer
Reference Figure 6 ITEM PART NUMBER QUANTITY Transformer 875013 Transformer Bracket 460818-08 BOLT, Pan head Phillips, Commercial Stnl, 10-32 x 2 NUT, Nylok, Stnl, 10-32 Commercial SCREW, Button head socket, Commercial Stnl, 10-32 x 3/8 WASHER, nylon, 0.062 thk 510019 WASHER, int. -
Page 19: Figure 6 Transformer
Figure 6 Transformer Figure 7 Compressor Page 19... -
Page 20: Intake Fan
Reference Figure 8 ITEM PART NUMBER QUANTITY Intake Fan 330259 Intake Fan Gasket 460779 SCREW, Button head socket, Commercial Stnl, 10-32 x 5/8 Intake Hose 730339 12 in. HOSE CLAMP, Marine Grade, 510400 1 13/16 - 2 3/4 Intake Fan Filter Assembly 730334 BOLT, Flat head Phillips, Commercial... -
Page 21: Figure 8 Intake Fan
Figure 8 Intake Fan Figure 9 Aftercooler Page 21... -
Page 22: Motor Exhaust
Reference Figure 10 ITEM PART NUMBER QUANTITY Motor Exhaust Chassis 330258 BOLT, Socket head, Commercial Stnl, 1/4-20 x 1 1/4 NUT, Nyloc, Stnl, 1/4-20 Commercial Motor Wire Set 875011 Motor Exhaust Strain Relief 840014 Strain Relief Nut 840015 Wire Clamp, Steel, Plated 510409 NUT, Nyloc, Stnl, 8-32 Commercial... -
Page 23: Figure 11 Electronics Module
Figure 10 Motor Exhaust Duct Figure 11 Electronics Module Figure 12 Pressure Switch Page 23... -
Page 24: Top Cover
Reference Figures 13A & 13B ITEM PART NUMBER QUANTITY Top Cover 460746-08 Case Drain Fitting 730337 Tubing Support Sleeve 730095 TUBING, Air Brake, 1/4 in. 730130 54 in. FITTING, Needle Valve, 730336 1/8 MPT x 1/4 Poly Angle FITTING, Bulkhead mount, 730307 1/8 FPT x 10-32 FITTING, 10-32 x 1/4 Poly... -
Page 25: Figure 13A & B: Top Cover
Figure 13A Top Cover Figure 13B Top Cover 32 33 Page 25... -
Page 26: Expendables
Expendables ITEM PART NUMBER Felt, Filter Media 730382 Compressor Rebuild Kit 730383 Aftercooler Fan Filter Media 730380 Intake Fan Filter Media 730381 Page 26... - Page 27 Notes Page 27...
- Page 28 For Further Service And/Or Technical Assistance Contact: P.O. Box 1548 Woodinville, WA 98072-1548 1-800-426-5913 * 425-487-3157 * Fax: 425-487-2608 email: info@aseptico.com * Internet: www.aseptico.com Printed In The USA...
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