Hitachi H 60MA Repair Manual page 2

Washer (C)
Washer (D)
Retainer
sleeve
Remove the Ring [3] by means of a snap ring remover, then Washer (D) [4], Washer (C) [5], the
Retainer Damper [6], Needle Holder (A) [7], Needle Holder (B) [9], the two Needles [8] and Spring (A)
[10] can be removed from the Retainer Sleeve [19]. Furthermore, remove the Retaining Ring [11] by
means of a snap ring remover, then the Ball Holder [12], Grip (B) [13], the four Steel Balls [16] and
Spring (B) [14] can be removed from the Front Cover [18] (Fig. 3).
1-1-2. Reassembly
Reassembly can be accomplished by following the disassembly procedure in reverse.
However, special attention should be given to the following items.
• First gear and crank shaft reassembly
Press-fit the Ball Bearing [47] in the Crank Case [38] and fix the Bearing Cover [46] with the two Seal
Lock Hex. Socket Hd. Bolts M5 [45]. Press-fit the Crank Shaft [43]. Then press-fit Distance Ring (C)
[49] and mount the Oil Seal [48]. Put the Feather Key [44] into the groove of the Crank Shaft [43] and
press-fit the First Gear [54] with a suitable tool while holding the flat portion of the Crank Shaft [43] with
a steel bar. Before press-fitting, make sure that the Feather Key [44] fits in the key groove of the First
Gear [54] (Fig. 4).
Oil seal
Crank case
Bearing cover
Needle holder (A)
Needle
(2 pcs.)
Ring
Spring (A)
Retainer
damper
Needle
holder (B)
Suitable tool
Retaining ring
Ball holder
Steel ball
(4 pcs.)
Fig. 3
Feather key
Steel bar
Fig. 4
--- 2 ---
Front cover
Spring (B)
Grip (B)
First gear
Distance ring (C)
Ball bearing
Seal lock hex.
socket hd. bolt M5
Crank shaft