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”