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(2) Disassembly of the spindle section
(a) Remove the four Seal Lock Hex. Socket Hd. Botls M3 x 12 [22] and remove the Chuck Cover [21].
(b) Remove the four Tapping Screws D5 x 40 [1] from the Gear Cover [2] and remove the Gear Cover [2] from the
Inner Cover [8]. At this time, the pinion ass'y (assembly of the Ball Bearing [3], Second Pinion [4] and First
Gear [5]) can be removed. If the pinion ass'y remains in the Inner Cover [8], tap the end surface of the Inner
Cover [8], and the pinion ass'y can be removed.
(c) Tap the flush surfaces of the Gear Cover [2] and the Inner Cover [8] with a wooden hammer. Then the pinion
ass'y (assembly of the Ball Bearing [3], Second Pinion [4] and First Gear [5]) can be removed from the Gear
Cover [2] with the First Gear [5] and the Ball Bearing [3] press-fitted.
(d) Use the J-310 tool for disassembly of the Spindle [19] because the Spindle [19] is press-fitted to the Ball
Bearing [18] which is secured to the Gear Cover [2] with the two Flat Fillister Hd. Screws M4 x 10 [17].
Set up the J-310 tool as shown in Fig. 4 and then pull out the Spindle [19] by turning the sleeve clockwise with
a wrench.
(e) Place the Gear [20] on a cylindrical jig and press down on the Spindle [19] to remove the Gear [20] from the
Spindle [19] (See Fig. 5).
( f ) Remove the Flat Fillister Hd. Screw M4 x 10 [17] from the Ball Bearing [18] and tap the Gear Cover [2] with a
wooden hammer. Then, the Ball Bearing [18] can be removed.
Fig. 4
Sleeve nut (J-310)
Flat Fillister Hd. Screw M4 x 10 [17]
Ball Bearing [18]
Holder plate (J-310)
Sleeve (J-136)
Spindle [19]
Left-hand screw
Gear Cover [2]
22 mm wrench
Gear Cover [2]
Gear [20]
Secure two pins of the
J-309 tool into the holes
at the rear of the gear.
Hex. bar wrench
Pin (J-309)
Fig. 2
Fig. 3
Tap on these two holes
from the bottom.
Drill Chuck 10TLRD [25]
J-309 tool
Secured to the vise.
Gear [20]
