Contents Page Number 1. Tools Needed to Repair the UAT Series Tools 2. Special Repair Fixtures for Repair of UAT Series Tools 3. Disassembly and Reassembly of the Pulse Unit 4. Disassembly and Reassembly of the Air Motor 10-11 5. Disassembly and Reassembly of the Shut-off Valve Section 12-13 6.
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.
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 &...
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.
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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).
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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.
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Disassembly and Reassembly of the Pulse Unit (cont.) UAT-Pulse Unit Part Part Description Description Number Number Liner Casing Locator Pin Front Liner Plate O-Ring Anvil Supporter Ring Front Liner Plate Anvil SU-Ring Liner Casing Spacer Pressure Value Body Torque Adjuster O-Ring Pressure Value Torque Adjuster Supporter Ring Pressure Value Spring Collar...
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.
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Disassembly and Reassembly of the Air Motor (cont.) UAT- Air Motor Part Part Description Description Number Number Casing Connector Rear Air Motor Plate Piston Reset Spring Rear Air Motor Bearing Front Air Motor Bearing O-Ring Nylon Ball Plug Rear Plate Spacer Roll Pin Front Air Motor Plate Blade...
Disassembly and Reassembly of the Shut-off Valve Section Disassembly: 1. Remove the Valve Cover using the Valve Cover Fixture (right-hand thread) from the back of the Handle. 2. Remove the Supporter Ring, Cushion Spacer, Shut-off Valve, Supporter Ring, Shut-off Valve Spring, and Ball from the Handle.
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Disassembly and Reassembly of the Shut-off Valve Section (cont.) UAT-Shut-off Valve Part Part Description Description Number Number Valve Plug O-Ring Handle Supporter Ring O-Ring Cushion Spacer Shut-off Valve Spring Operating Rod Supporter Ring Shut-off Valve Ball O-Ring Shut-off Valve O-Ring Valve Cover Shut-off Valve Bushing –...
UAT Series Fill & Draw Sheet Fill & Draw Sheet Key Model of this Full Volume Volume to be Torque to Torque to Load to Load to Tool Group of Liner Oil Removed from Tighten Liner Tighten Liner Press on...
UAT Series Troubleshooting Troubleshooting TROUBLE CAUSE SOLUTION Low Air Pressure Make sure that you have 85 PSI No Shut-off at the tool while running the tool. Low Oil in the Pulse Unit Add .10cc of oil and/or re-tank the Pulse Unit.
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