Hitachi DS 18DFL - Precautions in Disassembly and Reassembly of Battery Charger

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(6) Other precautions in reassembling
After completion of reassembly, check that the rotating direction of the Drill Chuck [2] <2> matches the
position of the Pushing Button [33] <34>. When the Pushing Button [33] <34> is pressed from the (R) side,
the rotating direction of the Drill Chuck [2] <2> should be clockwise as viewed from behind. Switch on and off
the Model DS 18DFL/DS 14DFL using the battery. Check that the runout of the Drill Chuck [2] <2> is
0.8 mm or less at the position 110 mm (Model DS 18DFL) (Model DS 14DFL: 85 mm) away from the tip of the
chuck using a 12-mm dia. test bar (Model DS 18DFL) (Model DS 14DFL: 9-mm dia. test bar).
(7) Screw tightening torque
Special Screw (Left Hand) M6 x 23 [1] <1> : 3.9 --- 4.9 N
•
m (40 --- 50 kgf
•
cm)
Drill Chuck [2] <2> : 17.6 --- 21.6 N
•
m (180 --- 220 kgf
•
cm)
Screw Set D3 x 12 [15] <15> : 0.6 --- 1.0 N
•
m (6 --- 10 kgf
•
cm)
Machine Screw (W/Sp. Washer) M4 x 6 [28] <29> : 1.1 --- 1.9 N
•
m (11 --- 19 kgf
•
cm)
Tapping Screw (W/Flange) D3 x 16 (Black) [26] <27> : 1.1 --- 1.9 N
•
m (11 --- 19 kgf
•
cm)
Special Screw (A) M5 [42] <43> : 1.5 --- 2.5 N
•
m (15 --- 25 kgf
•
cm)
9-2. Precautions in Disassembly and Reassembly of Battery Charger
Please refer to the Technical Data and Service Manual for precautions in disassembly and reassembly of the
Battery Charger UC 18YGL.
(e) Check for proper operation of the Clutch Dial [4] <4> and the Shift Knob [35] <36>.
When the reassembly procedure up to step (d) is completed, ensure that the every indication on the Clutch
Dial [4] <4> from the number "1" to the drill mark " " can be aligned with the triangle mark on Housing
(A). (B) Set [29] <30> respectively and that the Clutch Dial [4] <4> turns moderately. If any indication on
the Clutch Dial [4] <4> cannot be aligned with the triangle mark on Housing (A). (B) Set [29] <30>,
correctly remount the Clutch Dial [4] <4> according to step (2) as it is improperly mounted. Check for
proper operation of the Shift Knob [35] <36>. Check that the speed changes between high and low
properly by shifting the Shift Knob [35] <36>. If the speed cannot change properly or moderately, correctly
remount the Shift Knob [35] <36> according to step (3) as it is improperly mounted.
(5) Mounting the Hook Ass'y [37] <38>
Check that the V-Lock Nut M5 [38] <39> is mounted to the Hook Ass'y [37] <38>. Mount the Hook Spring [41]
<42> and secure it with Special Screw (A) M5 [42] <43>. Be sure to mount the Hook Spring [41] <42> with its
larger diameter side pointing inward the housing.