Hitachi DH 45SA, Технические данные и руководство по обслуживанию

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9-2. Reassembly
Perform reassembly generally in reverse order of disassembly, following the precautions given below.
(1) Lubrication
Apply special grease (for hammer and hammer drill) to the following portions.
Inner circumference of the Connecting Rod Ass'y [70]
O-Ring (FPM710) [68] attached to the Striker [67] and the Piston [69]
Inner lip portion of the Oil Seal (FPM707) [77]
Fill 75 g of special grease in the Crank Case [37] of the connecting rod side and 30 g in the cylinder case.
Apply power tool grease No. 29 to the following portions.
Needle Bearing (M661) [51]
Armature pinion
Fill 40 g of power tool grease No. 29 in the gear section of the gear cover and the crank case, and 20 g
between the slip clutch (washer (A) side) and the crank case.
(2) Oil seal and others
Handle with care not to damage the Rubber Seal [36] of the crank case, O-Rings (FPM 710) [68] in the piston
and the striker, Oil Seal (FPM 707) [77] in the Gear Cover [52], O-Ring (D) [62] in the cylinder case, O-Ring
[17] in the second hammer and the O-Ring (1AS-60) [16] in the Front Cover [14].
(3) Slip clutch ass'y
Press-fit the Ball Bearing 6202DDCMPS2L [21] to the Bevel Pinion [19] and insert the Washer [22] and then
Washer (A) [23] to the bevel pinion. After mounting the Feather Key 3 x 3 x 8 [20] in the bevel pinion, press-fit
the Gear Holder [24] to the bevel pinion. Then, apply power tool grease No. 29 to the inner circumference of
the Second Gear [27] and mount it on the outer circumference of the gear holder. Place the Needle Pin D6 x 6
[26] without inclination as shown in Fig. 13, then press in Spring (C) [25]. Then press-fit the Spacer [28] and
then Ball Bearing 629VVC2PS2L [29] to the bevel pinion.
B-taper
Fig. 13
[27] Second Gear
[26] Needle Pin D6 x 6
[27] Second Gear
[24] Gear Holder
[19] Bevel Pinion
[25] Spring (C)
A
[24] Gear Holder
A
Section A- A