J-3 Parts


Themac J-3 Parts Diagram

Standard Assembly

  • (Part #142) Belt
  • (603P) Case, Carrying
  • (327) Dresser, Diamond
  • (302) Guard, Belt
  • (108) Guard, Wheel
  • (324) Nib. Diamond Dresser
  • (110) Nut, #3 Clamp
  • (161A) Pin, Clamp Head Lock

(150) Motor Assembly, 115 Volt (or 220 Volt)

  • (151) Arm, w/fan & field with coils Set 115V (or 220 Volt)
  • (152) Bearing, Precision Ball
  • (153) Bearing, Precision Ball
  • (1171) Bracket, Spindle Tube
  • (439) Brush, Carbon w/shunt
  • (1156) Brushing, Cord
  • (156) Cap, Etched
  • (157) Cap, Etched
  • (158) Case, Center
  • (1119) Case, Commutator End
  • (1120) Case, Pulley End
  • (1906) Connector, Lead
  • (463) Cord w/Switch & Plug
  • (168) Head, #2 Clamp-Assembled
  • (169) Holder, Brush Cap / Brush Cap
  • (1126) Label
  • (171) Nut, 1/4 - 28 R.H. Hex.
  • (172) Nut, 3/8-24 L.H. Hex.
  • (177) Plate, Clamp
  • (113) Pulley, #1 – 55/64” Dia.
  • (114) Pulley, #2 – 1 7/64” Dia.
  • (115) Pulley, #3 – 1 47/64” Dia.
  • (116) Pulley, #4, 1 63/64” Dia.
  • (897) Ring, Retaining
  • (197) Ring, Retaining
  • (1423) Screw, 4-40 X 3/16” Cad.
  • (1188) Screw, 10-24 X 1” Fil. Hd.
  • (186) Screw, 10-24 X 1 1/2” Oval Hd.
  • (187) Screw, 10 - 24 X 3 15/16" Oval Hd.
  • (485) Screw, 10 - 32 X 1/8" Set
  • (182) Screw, 1/4 - 20 X 3/8" Hdls. Set
  • (188) Screw, 1/4, 20 X 5/8" Flat Hd.
  • (181) Screw, Sq. Hd. Mtg. 1/4 - 28
  • (191) Spring, 3Z Tension
  • (662) Terminal, Ground

Spindle Assembly

  • (1125) SPINDLE ASSEMBLY
  • (126B) Bearing, Precision Ball
  • (127) Cap, Etched
  • (197) Ring, Retaining
  • (334) Spindle, Grinding
  • (135) Spring, 6Z Tension
  • (193A) Tube, Grinding Spindle

Standard Accessories

  • (117) Arbor, 1/8” Wheel
  • (190) Chuck, 1/8" w/111 Sleeve
  • (105) Collar, 3/8 X 1/8” Rec. Wheel
  • (143) Collar, 1 X 3/8” Wheel
  • (644) Collar, 2 X 3/8" Wheel
  • (130) Nut, 3/8 - 24 R.H. Hex.
  • (111) Sleeve, Chuck
  • (721) Spindle, 2” Ext. w/Arb. & Cols.
  • (202) Wheel, 1/4 X 1/4 X 1/8" Mtd.
  • (203) Wheel, 1/2 X 1/4 X 1/8" Mtd.
  • (220) Wheel, 3/8 X 1/4 X 1/8” Rec.
  • (223) Wheel, 3/4 X 1/4 X 1/8” Rec.
  • (226) Wheel, Grinding 1 1/2 X 1/4 X 1/4”
  • (234) Wheel, Grinding 2 X 3/8 X 3/8"
  • (235) Wheel, Grinding 3 X 3/8 X 3/8”