Hitachi DV 14DMR, Технические данные и руководство по обслуживанию, Страница: 36 / 47

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(b) Mount the DC-Speed Control Switch [45] that was not mounted in the above step (a) to Housing (A) [38] .
Mount the Pushing Button [44] to Housing (A) [38] . Check that the protrusion of the forward/reverse
changeover lever of the DC-Speed Control Switch [45] is inserted into the groove of the Pushing Button
[44] .
(c) Mount the Strap [55] to Housing (A) [38] .
(d) Align Housing (A) [38] with Housing (B) [38] and secure with ten Tapping Screws (W/Flange) D3 x 16
(Black) [36] .
(e) Verify proper operation of the Front Cap [4] and the Shift Knob [42] . When the reassembly procedure up
to step (e) is completed, ensure that the number "1" through the hammer mark " " on the Front Cap [4]
are in alignment with the triangle mark on Housing (A). (B) Set [38] respectively and the Front Cap [4] turns
moderately. If the number "1" or the hammer mark " " on the Front Cap [4] cannot reach the triangle
mark on Housing (A). (B) Set [38] , correctly reinstall the Front Cap [4] referring to step (2) or (5) (c) as it is
improperly mounted. Verify proper operation of the Shift Knob [42] . Check that the speed changes
between high and low properly by shifting the Shift Knob [42] . If the speed cannot change properly or
moderately, correctly reinstall the Shift Knob [42] referring to step (3) (b) or (5) (b) as it is improperly
mounted.
(7) Mounting the Drill Chuck 13VLRL-N (W/O Chuck Wrench) [2]
Mount the Drill Chuck 13VLRL-N (W/O Chuck Wrench) [2] to the spindle and tighten the Special Screw (Left
Hand) M6 x 23 [1] .
(8) Mounting the Carbon Brushes 5 x 6 x 11.5 [34]
Mount the two Carbon Brushes 5 x 6 x 11.5 [34] to the Brush Block [33] and secure the two Brush Caps [35]
to the Brush Block [33] . Check that the claws of the Carbon Brushes 5 x 6 x 11.5 [34] are properly inserted
into the brush tubes.
(9) Reassembly of the Hook Ass'y [51] [53]
Check that the V-Lock Nut M5 [52] is mounted to the Hook Ass'y [51] [53] . Mount the Hook Spring [56] and
secure it with Special Screw (A) M5 [57] . Make sure to mount the Hook Spring [56] with its larger diameter
side pointing inward the housing.
(10) Other precautions in reassembling
After completion of reassembly, check that the rotating direction of the Drill Chuck 13VLRL-N (W/O Chuck
Wrench) [2] matches the position of the Pushing Button [44] . When the Pushing Button [44] is pressed from
the (R) side, the rotating direction of the Drill Chuck 13VLRL-N (W/O Chuck Wrench) [2] should be clockwise
as viewed from behind. Switch on and off the Models DV 18DMR and DV 14DMR using the battery. Then
turn the Drill Chuck 13VLRL-N (W/O Chuck Wrench) [2] by hand in forward and reverse direction to check that
the spindle lock properly works in either direction within a half rotation. Check that the runout of the Drill
Chuck 13VLRL-N (W/O Chuck Wrench) [2] is 0.8 mm or less at the position 110 mm away from the tip of the
chuck using a 12-mm dia. test bar.