Hitachi DH 24PG - Reassembling the Low Vibrations Mechanism (DH 28 PBY)

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5. Reassembling the low vibrations mechanism (DH 28PBY)
Degrease Weight Damper (A) <54> bonding area of the Inner Cover <53> and then bond Weight Damper
(A) <54> to the area. Degrease the threaded portion of Weight (A) <55>, mount Weight (B) <57> and the
Leaf Spring <56> on Weight (A) <55>, and then secure both parts with the Seal Lock Hex. Socket Hd. Bolt
M3 x 8 <58>. Degrease the threaded portion of the Inner Cover <53>. Insert the Spring Damper <72> into
the Inner Cover <53> and Spring Holder <73>, and then secure the Leaf Spring <56> and Spring Holder
<73> with the Seal Lock Hex. Socket Hd. Bolt M4 x 12 <74>. Place Weight (A) <55> on the Inner Cover
<53> side and Weight (B) <57> on the Housing <75> side. Do not reverse the positions.
Degrease Weight Damper (B) <66> bonding area of the Fan Guide <67> and bond Weight Damper (B)
<66> to the area. Mount the Cover Plate <64> before inserting the Armature <65> into the Inner Cover
<53>. Mount the Cover Plate <64> with its body projected toward the Inner Cover <53> as shown in Fig. 7.
Fit the projection of the Inner Cover <53> into the hole on the Cover Plate <64>.
Fig. 7 Ɣ Reassembling the low vibrations mechanism
Inner Cover <53>
Weight Damper (A) <54> bonding area
Weight Damper (B) <66> bonding area
Spring Damper <72>
Thread
Weight Damper (B) <66>
Fan Guide <67>
Seal Lock Hex. Socket
Hd. Bolt M4 x 12 <74>
S
p
rin
g
Holder <73>
Cover Plate <64>
Weight (A) <55> Wei
g
ht
(
B
)
<57>
Thread
Leaf Spring <56>
Seal Lock Hex. Socket
Hd. Bolt M3 x 8 <58>