Reassembly - Hitachi C 7SB2/C Technical Data And Service Manual

8-2. Reassembly

Reassembly can be accomplished by following the disassembly procedures in reverse. However, particular
attention should be given to the following items.
(1) Tightening torque for fastening screws:
M4 machine screws
M5 machine screws
Bolt (W/Flange) M8 x 15.5 [16] <16>
D4 tapping screw
D5 tapping screw
(2) Reassembly of the Armature [29] <29>:
Prior to assembling the Armature [29] <29>, ensure that the Rubber Ring [33] <33> is properly inserted into
the groove of the bearing case within the Gear Cover [34] <34>. At this time, be careful not to damage the
Rubber Ring [33] <33>.
(3) Reassembly of the Lock Lever [30] <30>: (See Fig. 2.)
A. Position the Lock Lever [30] <30> between the fan and
the Ball Bearing 6202VVCMPS2L [32] <32>, and
carefully assemble it together with the Armature [29]
<29> into the Gear Cover [34] <34>.
B. Carefully ensure that both ends of the flat spring on
the Lock Lever [30] <30> are properly supported inside
the ribs of the Gear Cover [34] <34>, as illustrated in
Fig. 2.
C. When assembly of the Lock Lever [30] <30> is completed
(when the Gear Cover [34] <34> has been assembled to
the Housing Ass'y [22] <22> and fastened with the
Machine Screws (W/Washers) M5 x 55 [20] <20>, push
the Lock Lever [30] <30> by hand and ensure that it
returns smoothly to its original position when released.
(4) Lubrication:
Liberally apply designated lubricants as follows:
Nippeco SEP-3A (Code No. 930035) within the gear cover: 10 gr.
Multemp PS No. 2 (Code No. 939301 or 939536) in the ball bearings.
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1.8 0.4 N m (12 to 19 in-lbs.)
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3.4 0.7 N m (24 to 36 in-lbs.)
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9.8 2.0 N m (70 to 105 in-lbs.)
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2.0 0.5 N m (13 to 22 in-lbs.)
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2.9 0.5 N m (22 to 30 in-lbs.)
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Fig. 2