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100000 SE Pine St., Portland, OR 97216  

  800-852-1368  

  503-254-6600  

  www.aimco-global.com 

 

 

 

 

 

 

 

 

 

 

 

 

UOW Series 

Repair Manual 

UOW-11 & UOW-T60 Series

Summary of Contents for UOW Series

Page 1: ...100000 SE Pine St Portland OR 97216 800 852 1368 503 254 6600 www aimco global com UOW Series Repair Manual UOW 11 UOW T60 Series ...

Page 2: ...y of Bevel Gear Casing Assembly Pinion and Bevel Gear Section 12 Socket and Gearing Section 13 UOW Bevel Gear Casing 14 6 Toubleshooting and Preventative Maintenance UOW T60 15 UOW 11 15 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 ...

Page 3: ...pect blades for splitting and grooving on the sides and ends 5 Silencer Inspect silencer for dirt 6 Replace all worn parts Assembly 1 Press greased bearing into the rear plate and over the rotor Note There should be a slight drag between the rotor and the rear plate 2 Lightly oil the blade and install into the rotor flat side out 3 Slide the cylinder down over the rotor and line up the roll pin wi...

Page 4: ... 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 Roll 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 Valve Plug O Ring Cone Spring Valve Rod Cap Valve Silencer ...

Page 5: ...er Pin Blade Roll Pin Roll Pin Rear Plate Bearing Rear Plate Spacer Casing Bushing Packing Casing Throttle Lever Roll Pin Air Inlet Bushing Front Plate Bearing Front Plate 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Rotor Cylinder Rear Plate Valve Rod Shut off Valve Valve Bushing Reverse Valve Valve Rod O Ring Valve Plug O Ring Cone Spring Valve Rod Cap Valve Silencer ...

Page 6: ...ey push the balls out against the cam ring 2 Pilot Pin Inspect the shoulder that is pushed up against the notch pin for rounding 3 Notch Pin Inspect the ends for rounding 4 Cam Ring Inspect the inside surface where the balls ride for pitting and grooving 5 Balls Inspect for pitting 6 Spring Inspect all springs for tension 7 Replace all worn parts Assembly 1 Press the G pin into the pilot pin and i...

Page 7: ... 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 Ring Thrust Bearing Retainer Outer Snap Ring Cam Guide Ball G Pin Trust Washer ...

Page 8: ...spect the needle rollers for wear 3 Bearings Inspect bearing for side play and knocking 4 Replace all worn parts Assembly 1 Install the bearing into the gear case 2 Install the second gear cage into casing 3 Install the needle roller and second planet gears Put a small amount of grease by each planet gear and on the gear cage 4 Install the gear cage spacer 5 Install the needle roller and planet ge...

Page 9: ... Section cont UOW 11 Gear Section Part Number Description Part Number Description 1 2 3 4 5 6 Gear Casing Bearing Spacer First Gear Cage Planet Gear Spacer 7 8 9 10 11 12 Bearing Second Gear Cage Planet Gear Needle Roller Needle Roller Spacer ...

Page 10: ...lean all parts thoroughly Inspection 1 Gears Inspect the teeth of the gear casing and planet gears for pitting and grooving 2 Needle Rollers Inspect the needle rollers for wear 3 Bearings Inspect the bearing for side play and knocking 4 Replace all worn parts Assembly Note Assembly is the same on both gear assemblies 1 Install the bearing into the gear cage 2 Install the gear cage into the gear ca...

Page 11: ...W T60 Gear Section Part Number Description Part Number Description 1 2 3 4 5 6 Gear Casing Bearing Needle Roller Planet Gear Spacer Second Internal Gear 7 8 9 10 11 Hammer Casing Nut Hammer Casing Connector First Internal Gear First Gear Cage Second Gear Cage ...

Page 12: ...ar spindle assembly from the housing 5 Press the bearing and bevel gear off of the driven gear spindle 6 Clean parts thoroughly Inspection 1 Gears Inspect gears for pitting and grooving 2 Bearings Inspect bearings for side play and knocking 3 Replace all worn parts Assembly 1 Press the greased Bearing and spacer onto the driven gear spindle Align the bevel gear up with the key and press onto the d...

Page 13: ...ear casing cover for wear and out of roundness 5 Checker Inspect the checker and checker spring for wear 6 Replace all worn parts Assembly 1 Install the needle roller and notch pin into the bevel gear casing 2 Install the checker and gearing 3 Install the checker spring and rotate gearing in reverse by hand until it is stopped by the checker 4 Align the socket opening with the casing Lightly greas...

Page 14: ...e Roller Bearing Needle Roller Socket Spur Gear Gear Casing Cover Flush Head Screw Needle Roller Needle Roller Needle Roller Needle Roller Bearing Needle Roller 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 Checker Spring Checker Middle Gear Grease Cup Spacer Outer Snap Ring Ball Bearing Support Bearing Driving Gear Bevel Gear Casing Needle Roller Bearing Cam Spacer Driven Gear Spindle Adjusting...

Page 15: ...or runs but socket does not work Broken gear in front head Disassemble front head inspect and replace broken parts Low torque Worn cam or worn air motor Replace cam or rebuild air motor Socket does not stop in reverse Broken checker spring Replace checker spring UOW 11 TROUBLE CAUSE SOLUTION Loss of RPMs Exhaust filter is dirty causing back pressure Replace filter Tool runs all the time Value rod ...

Page 16: ...on 97216 Phone 503 254 6600 Toll Free 1 800 852 1368 WWW AIMCO GLOBAL COM AIMCO CORPORATION DE MEXICO SA DE CV Ave Cristobal Colon 14529 Chihuahua Chihuahua 31125 Mexico Phone 01 614 380 1010 Fax 01 614 380 1019 LIT MAN470 Rev 03 11 19 Printed in USA 2019 AIMCO ...

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