Aimco Brakes Nutrunner UOW Series Repair Manual
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PO Box 16460, Portland, OR 97292-0 460 503-2 54-6600 Fax 503-2 55-2615 UOW Series Repair Manual UOW -11 & UOW -T60 Series www.aimco-global.com
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Contents Page Number 1. Tools Needed for Repair 1 2. Disassembly and Reassembly of the Air Motor 2 UOW - 11 Air Motor 3 UOW - T60 Air Motor 4 3. Disassembly and Reassembly of the Clutch UOW - T60 5 4. Disassembly and Reassembly of the Gear Section UOW - 11 7 UOW - T60 8 5. Disassembly and Reassembly of Bevel Gear Casing Assembly Pinion and Bevel Gear Section 11 Socket and Gearing Section 12 UOW Bevel Gear Casing 13 6. Toubleshooting and Preventative Maintenan ce...
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- 1 -Tools Needed for Repair UOW Series Open - End Wrenches 1. Flat - Head Screwdriver 2. Dental Pick 3. Needle Nose Pliers 4. Pin Punch 5. Ball Peen Hammer 6. Pin Spanner Wrench (Hook Type) 7. Snap Ring Pliers 8. Crescent Wrench 9. Phillips Impact Drive r 10. Spanner Wrench (Expanding Type) 11. Propane Torch 12. Thread Locker
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- 2 -Disassembly and Reassembly of the Air Motor Disassembly 1. Remove the air motor casing from the gear casing connector. 2. Ta ke hold of the end of the rotor and pull the air motor out of the casing. 3. Remove the front plate spacer and locking pin. 4. Pull the front plate off and remove the bearing. 5. Remove blades from the rotor. 6. Press the rotor out of the rear plate bearing and remove the bearing from the rear plate. 7. Thoroughly clean all parts. Inspection 1....
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- 3 -Disassembly and Reassembly of the Air Motor (cont.) UOW - 11 Air Motor Part Number Description Part Number Description 1 2 3 4 5 6 7 8 9 10 11 12 Front Plate Bearing Front Plate Blade Rotor Cylinder Rear Plate Rear Plate Bearing Rear Plate Spacer Packing Motor Casing Throttle Lever Rol l Pin 13 14 15 16 17 18 19 20 21 22 23 24 Air Inlet Bushing Roll Pin Valve Bushing Reverse Valve Valve Rod O - Ring...
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- 4 -Disassembly and Reassembly of the Air Motor (cont.) UOW - T60 Air Motor Part Number Description Part Number Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Front Plate Spacer Pin Blade Roll Pin Roll Pin Rear Plate Bearing Rear Plate Spacer Casing Bushing Packing Casing Throttle Lever Roll Pin Air Inlet Bushing Front Pla te Bearing Front Plate 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Rotor...
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- 5 -Disassembly and Reassembly o f the Clutch UOW - T60 Clutch Disassembly 1. Separate the hammer casing from the hammer casing connector and remove the clutch assembly. 2. Remove the clutch spring, spring retainer, and backup ring from cam guide. 3. Carefully slide the cam ring up and remove the four balls from under it. Now remove the cam ring. 4. Lift the hooked end of the band spring out of the hole in the cam guide and slide it around the cam guide until the end of the notch pin is...
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- 6 -Disassembly and Reassembly of the Clutch (cont.) UOW - T60 Clutch Part Number Description Part Number Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Hammer Casing Nut Ball Regulating Dial Regulating Screw Hammer Casing Bearing Spring Setter Ball Snap Ring Torque Spring Spring Retainer Cam Ring Spacer Notch Pin 15 16 17 18 19 20 21 22 23 24 25 26 27 Notch Pin Band Spring Ball Pilot Pin Cam Snap...
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- 7 -Disassembly and Reassembly of the Gear Section UOW - 11 Gear Section Disassembly 1. Remove the gear casing from the air motor casing (right - hand threads). 2. Remove the first and seco nd gear cage and planet gears. 3. Remove bearing from the gear case. 4. Clean all parts thoroughly. Inspection 1. Gears : Inspect the teeth of the gear casing and the planet gears for pitting and grooving. 2. Needle Rollers : Inspect the needle rollers for wear. 3. Bearings : Inspect bearing for...