Hitachi C 6DD Technical Data And Service Manual page 16

9-1-2. Reassembly
Reassembly can be accomplished by following the disassembly procedures in reverse. However, special
attention should be given to the followng items.
(1) Tightening torques for fastening screws and bolts
Seal Lock Flat Hd. Screw M4 x 10 [14] ........................................ 14 to 22 kgf•cm (12 to 19 in•lbf)
Bolt (W/Flange) M8 x 15.5 [18] .................................................... 80 to 120 kgf•cm (70 to 105 in•lbf)
Seal Lock Flat Hd. Screw M5 x 14 [25] ........................................ 28 to 42 kgf•cm (24 to 37 in•lbf)
Machine Screw (W/Washers) M4 x 10 (Black) [28] ...................... 15 to 25 kgf•cm (13 to 22 in•lbf)
Machine Screw (W/Washers) M5 x 35 [30] .................................. 28 to 42 kgf•cm (24 to 37 in•lbf)
Tapping Screw D4 x 10 [35] ......................................................... 15 to 25 kgf•cm (13 to 22 in•lbf)
Tapping Screw (W/Flange) D4 x 20 [29] ...................................... 15 to 25 kgf•cm (13 to 22 in•lbf)
Brush Cap [54] ............................................................................. 5 to 15 kgf•cm (4.5 to 13 in•lbf)
Hex. Hd. Tapping Screw D4 x 60 [61] .......................................... 15 to 25 kgf•cm (13 to 22 in•lbf)
Bolt (W/Flange) M8 x 10 (Black) [24] ........................................... 80 to 120 kgf•cm (70 to 105 in•lbf)
Machine Screw M3.5 x 8.5 of the Switch [34] .............................. 4.5 to 7.5 kgf•cm (4 to 6.5 in•lbf)
(2) Reassembly of the Armature Ass'y DC 18V [45]
Prior to assembling the Armature Ass'y DC 18V [45], ensure that the Rubber Ring [2] is properly inserted into
the groove of the bearing case within the Gear Cover Ass'y [3]. At this time, be very careful not to damage the
Rubber Ring [2].
(3) Reassembly of the Lock Lever [46] (See Fig. 3.)
A. Position the Lock Lever [46] between the fan and
the Ball Bearing 6001VVCMPS2L [1] of the Armature
Ass'y DC 18V [45], and carefully assemble it together
with the Armature Ass'y DC 18V [45] into the
Gear Cover Ass'y [3].
B. Carefully ensure that both ends of the spring on
the Lock Lever [46] are properly supported inside
the ribs of the Gear Cover Ass'y [3].
C. When assembly of the Lock Lever [46] is completed
(when the Gear Cover Ass'y [3] has been assembled
to the Housing [58] and fastening with the Machine
Screw (W/Washers) M5 x 35 [30]), push the Lock Lever [46]
by hand and ensure that it returns to its original position
when released.
[46]
--- 12 ---
Spring
Rib
[3]
Fig. 3