Precautions In Disassembly And Reassembly Of Battery Charger - Hitachi DS 12DVF3 Technical Data And Service Manual

(d) Set the assembly reassembled in step (C) to housing (B) and secure it with the eight Tapping Screws (W/
Flange) D3 x 16 (Black) [26].
(e) Verify proper operation of the Clutch Dial [4] and the Shift Knob [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] are in alignment with the triangle mark on Housing (A). (B) Set [30]
respectively and the Clutch Dial [4] turns moderately. If the number "1" or the drill mark "
Clutch Dial [4] cannot reach the triangle mark on Housing (A). (B) Set [30], correctly reinstall the Clutch
Dial [4] referring to step (2) as it is improperly mounted. Verify proper operation of the Shift Knob [36].
Check that the speed changes between high and low properly by shifting the Shift Knob [36]. If the speed
cannot change properly or moderately, correctly reinstall the Shift Knob [36] referring to step (3) as it is
improperly mounted.
(5) Reassembly of the Hook Ass'y [39]
Check that the V-Lock Nut M5 [40] is mounted to the Hook Ass'y [39]. Mount the Hook Spring [43] and secure
it with the Special Screw M5 [44] . Make sure to mount the Hook Spring [43] with its larger diameter side
pointing inward the housing.
(6) Other precautions in reassembling
After completion of reassembly, check that the rotating direction of the Drill Chuck 10TLRK-N (W/O Chuck
Wrench) [2] matches the position of the Pushing Button [34]. When the Pushing Button [34] is pressed from
the (R) side, the rotating direction of the Drill Chuck 10TLRK-N (W/O Chuck Wrench) [2] should be clockwise
as viewed from behind. Switch on and off the Models DS 12DVF3 and DS 9DVF3 using the battery. Check
that the runout of the Drill Chuck 10TLRK-N (W/O Chuck Wrench) [2] is 0.8 mm or less at the position 85 mm
away from the tip of the chuck using a 9-mm dia. test bar.
(7) Screw tightening torque
Special Screw (Left Hand) M5 x 27 [1]
Drill Chuck 10TLRK-N (W/O Chuck Wrench) [2] : 12.7 --- 16.7 N
Screw Set D3 x 12 [15]
Machine Screw M3 x 8 [28]
Tapping Screw (W/Flange) D3 x 16 [26]
Special Screw M5 [44]

10-2. 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.
: 2.9 --- 3.9 N m ( 30 --- 40 kgf
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m (130 --- 170 kgf
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: 0.6 --- 1.0 N m ( 6 --- 10 kgf
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: 1.1 --- 1.9 N m ( 11 --- 19 kgf
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: 1.1 --- 1.9 N m ( 11 --- 19 kgf
•
: 1.5 --- 2.5 N m ( 15 --- 25 kgf
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--- 21 ---
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