Eaton Cooper Power NR Series Maintenance Instructions Manual

Contents

The service parts and hardware listed and illustrated includeonly those parts and assemblies usually furnished for repairor involved in the maintenance procedures described inthis manual. Further breakdown of listed assemblies is notrecommended.Dimensions of all common hardware parts have beencarefully checked so that they may be locally acquired. Thesuffix letter of the 14 character catalog number of commonhardware parts code the plating of the part:A - No plating; raw materialH - SilverM - Black oxideQ - Cadium + zinc + chromateY - Zinc + chromateZ - Electro zinc + bronze irriditeTo assure correct receipt of any part order, always includeswitch type and serial number. Because of Eaton'scontinuous improvement policy, there may be instanceswhere the parts furnished may not look exactly the sameas the parts ordered. However, they will be completelyinterchangeable without any rework of the switch.Type NR oil switch service partsItemNo Description Catalog Number Qty1 Bushing assembly, Type NR StandardBushingGRA0346003 22 Bushing assembly, Type NR 17"Creepage BushingGRA0346005 23 Capscrew hex hd, 5/16-18 x 1-3/8, stl 730115131150A 64 Lifting strap H000472 15 Bushing clamp GR00233 66 Clamping ring, Aluminum GR00110 27 Bushing gasket KA20900040 28 Plain washer #20S, brass 900525033075A 29 Split lockwasher, med, 5/16, bronze 900830031000A 210 Nut, Hex, 5/16-18, brass 881025118031A 211 Capscrew, hex hd, 5/16-18 x 1-3/8 stl 730115131137A 412 Lockwasher, 5/16 stl 900815031000AGW 413 Clamp 6A00326401 414 Head casting GR00330 115 Shaft insert KA30360019 116 Head gasket KA21030012 117 Caution plate SI01057 118 Control rating plate, Decal 6A00471702 119 Screw, sheet metal, Type Z, #2 x 3/16 Not required for Decal 420 Nameplate GR00122 121 Self-tapping screw, rd hd, Type Z #10x 3/8802815010037A 222 Operating handle assembly GRA0033001 123 Reset lever GSA0009 124 Roll pin KA20010030 125 Bell crank assembly GRA0040001 126 Operating handle spring GR00296 127 Latch lever GSA0078 128 Latch lever spring GS00011001 129 Latch lever pin KA30540002 130 Pin retainer and spring anchor GR00120 231 Machine screw, rd hd, with pre-assembled split lockwasher 1/4-20 x3/8, stl831501125037A 2ItemNo Description Catalog Number Qty32 Toggle spring GS00040 233 Shock absorber GR00107 134 Self-tapping screw, rd hd, Type F, 4-40x 5/16 stl753315106062A 235 Screw, hex hd, with pre assembledsplit lockwasher,5/16-18 x 1/2,Parkerized830101131050A 436 Contact box assembly GRA0385 137 Hex nut 1/4-20, brass 881025120025A 238 Split lockwasher, med, 1/4 bronze 900830025000A 239 Plain washer, #14S, brass 900525026056A 240 Terminal lead GR00257 441 Contact retainer GR00214 242 Contact assembly GN3A0000640002 243 Contact roller GR00256 244 Capscrew, hex hd, 1/4-20 x 1-1/4brass730125125125A 245 Moving contact arm assembly(includes items 49, 50, and 51)GR00326 146 Pin KA31230011 147 Plain washer, #10S, brass 900525020043A 248 Retaining ring 970901188000M 249 Machine screw, rd hd, #6-32 x 1/2, sst 721515106050A 250 Lockwasher, Internal tooth #6 bronze 901032006000A 251 Contact bar GRA0384 152 Tank liner GR00115 153 Tank liner NRV GR00289 154 Bottom liner GR00114 155 Tank Assembly GRA0021003 156 Parallel ground clamp Ground clampassemblyHA00227 157 Capscrew, hex hd 1/2-13 x 1, stl 730115150100A 115TYPE NR OIL SWITCH MAINTENANCE INSTRUCTIONS MN230001EN February 2016