Aimco Brakes Pulse Tool UAT Series Repair Manual
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PO Box 16460, Portland, OR 97292-0460 503-254-6600 Fax 503-255-2615 UAT Series Repair Manual ISO 9001: 2015 Certified
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Contents Page Number 1. Tools Needed to Repair the UAT Series Tools 4 2. Special Repair Fixtures for Repair of UAT Series Tools 5 3. Disassembly and Reassembly of the Pulse Unit 6-9 4. Disassembly and Reassembly of the Air Motor 10-11 5. Disassembly and Reassembly of the Shut-off Valve Section 12-13 6. Fill & Draw Sheet 14 7. Troubleshooting 15 8. Preventative Maintenance 15
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– 4 – Tools Needed to Repair the UAT Series Tools 1. Set of Picks 2. Standard Pliers 3. 6” Open-End Adjustable Wrench 4. 20” Open-End Adjustable Wrench 5. Hog Ring Pliers (250G Proto) 6. Set of Screwdrivers 7. Set of Punches 8. Dead Blow Hammer 9. 13 oz. Ball Peen Hammer 10. Three Ton Arbor Press 11. Set of V-Blocks 12. Three Ton Hydraulic Press (only needed if you are not using the PTRF-1-1) 13. Lap Plate 14. Parts Cleaning Tank 15. Wire Wheel 16. Service Removable...
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– 5 – Special Repair Fixtures for Repair of UAT Series Tools Description Part Number Tool Model Disassembly and Reassembly of Valve Cover 145-019-6-5 UAT-30D, 40, 50 & 60 Disassembly and Reassembly of Valve Cover 147-019-6-5 UAT-70 & 80 Disassembly and Reassembly of Valve Cover 147-019-8-5 UAT-90 & 100 Disassembly and Reassembly of Valve Cover 130-019-2-5 UAT-130 Disassembly and Reassembly of Valve Cover 128-019-2-5 UAT-200 Disassembly and Reassembly of Casing Connector 144-036-0-5 UAT-30D...
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– 6 – Disassembly and Reassembly of the Pulse Unit Disassembly 1. Remove the Front Casing (left-hand thread) from the tool. 2. Remove the Purple Cushion from the Pulse Unit and the Pulse Unit from the Handle. Be sure not to lose the Adjustment Spacer, Spring, and/or Operating Rod that are between the Handle and Pulse Unit. 3. Remove the Oil Fill Plug and extract all of the oil with the VCE-1-1 from the Pulse Unit. Note: The Oil Fill Plug on the UAT-30D is in the Rear Liner Plate. 4....
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– 7 – Disassembly and Reassembly of the Pulse Unit (cont.) Assembly 1. You will find all O-rings, Supporter Rings, and Springs needed for rebuild of the Pulse Unit in a Pulse Unit Repair Kit (PRK). To order a PRK, you would order the model number of tool plus dash PRK (i.e., UAT-70- PRK). 2. Lubricate all O-rings with Pulstar Oil. 3. Install the O-ring on the Relief Valve using the O-ring Install Fixture and install the Relief Valve into the Liner lining up the slot in the Relief Valve...
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– 8 – Disassembly and Reassembly of the Pulse Unit (cont.) 14. Now, using the PTRF-1-1 and following the Fill and Draw sheet, apply the proper amount, press load to the Rear Liner Plate, and tighten the Liner Casing Setter to the proper torque. Note: Make sure that you use the proper Press Cap when applying the press load to the Pulse Unit. 15. Once you are sure that the thread locker has set-up: Make sure that the Torque Adjuster is turned all the way out counter-clockwise, fill the Rear...
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– 9 – Disassembly and Reassembly of the Pulse Unit (cont.) UAT-Pulse Unit Part Number Description Part Number Description 1 2 3 3A 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Liner Casing Front Liner Plate O-Ring Front Liner Plate Liner Casing Spacer Torque Adjuster O-Ring Torque Adjuster Supporter Ring Torque Adjuster Relief Valve Pin Relief Valve Relief Valve O-Ring Pressure Valve Relief Valve Spring Locator Pins Anvil Driving Blade Driving Blade...
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– 10 – Disassembly and Reassembly of the Air Motor Disassembly: 1. Remove the Casing (left-hand thread), Pulse Unit, Spacer, Spring, and Operating Rod from the Handle. 2. With the Casing Connector Fixture, remove the Casing Connector (left-hand thread) from the Handle. 3. Remove the Front Air Motor Plate, Rotor, Cylinder, Blades, Rear Air Motor Plate, O-ring, and Rear Plate Spacer from the Handle. 4. Remove the O-rings from inside of the Handle. 5. Remove the Bearings from the...