Hitachi DS14DVF3, Technical Data And Service Manual

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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 18DVF3/DS 14DVF3 using the battery. Check that the runout of the Drill Chuck [2] <2> is
0.8 mm or less at the position 110 mm (DS 18DVF3, 85 mm: DS 14DVF3) away from the tip of the chuck using
a 12-mm dia. (DS 18DVF3, 9-mm dia.: DS 14DVF3) 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 18YG.
(e) Verify 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 number "1" through the drill
mark " " on the Clutch Dial [4] <4> are in alignment with the triangle mark on Housing (A). (B) Set [29]
<30> respectively and the Clutch Dial [4] <4> turns moderately. If the number "1" or the drill mark " "
on the Clutch Dial [4] <4> cannot reach the triangle mark on Housing (A). (B) Set [29] <30> , correctly
reinstall the Clutch Dial [4] <4> referring to step (2) as it is improperly mounted. Verify 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 reinstall the Shift Knob
[35] <36> referring to step (3) as it is improperly mounted.
(5) Reassembly of 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> . Make sure to mount the Hook Spring [41] <42>
with its larger diameter side pointing inward the housing.