
-8-
Fig. 11 • Mounting the retainer
9. Mounting the retainer
(1) Before mounting, apply grease for hammer. hammer drill (Code No. 980927) to the sliding portion
between the Retainer
[2]
and Retainer Damper (A)
[4]
of the Front Cover
[8]
, and Lever Pin
[3]
.
(2) Mount two Retainer Dampers (A)
[4]
to the Front Cover
[8]
,
and then mount the Retainer
[2]
.
(3) Insert the Lever Pin
[3]
into the 20-mm dia. hole of the Retainer
[2]
facing the recessed portion of the
Lever Pin
[3]
to the hexagonal hole of the Front Cover
[8]
. At this time, align the 6-mm dia. hole of the
Retainer
[2]
with the 7-mm dia. hole of the Lever Pin
[3]
.
(4) Drive the Roll Pin D6 x 55
[1]
into the 6-mm dia. hole (side A) of the Retainer
[2]
approximately 6.3
mm under the end surface of the Retainer
[2]
as shown in Fig. 11.
Recessed portion
[2]
[3]
6.5 mm dia. hole
[1]
[8]
6.3 mm
7 mm dia. hole
20 mm dia. hole
Side A
[4]