Tightening Torque - Hitachi DH 24PD2 Technical Data And Service Manual

(5) Mounting the change lever
Press the Pushing Button [12] deeply into the hole of the Change Lever [14]. Adjust the Change Lever [14] to
the position shown in Fig. 20 of the Gear Cover [10] and press it hard. Then set the Change Lever [14] to the
"rotation + hammering" position (
(6) Press-fitting the first gear
Press-fit the First Gear [49] aligning with the 9-mm diameter end surface of the Second Shaft [44]. After
press-fitting the First Gear [49] on the Second Shaft [44], check that the inner ring of the Reciprocating
Bearing [48] turns smoothly.
(7) Mounting the piston
Mount the Piston [37] facing its two 2-mm diameter holes to the Second Shaft [44] as shown in Fig. 21.
Second Shaft [44]
2-mm diameter holes (2 pcs.)

9-3. Tightening Torque

Tapping Screws D3 x 10 [78] ...................................................... 0.7
Tapping Screws D4 [69], [89], [90] ............................................. 2.0
Tapping Screws (W/Flange) D5 X 90 [9] ..................................... 2.9
mark) or the "rotation only" position (
Change Lever [14]
Piston [37]
Striker [35]
Pushing Button [12]
Fig. 20
Inner Cover [39]
Reciprocating
First Gear [49]
Bearing [48]
Fig. 21
0.2 N
0.5 N
0.5 N
--- 29 ---
mark).
m (7.5 1.5 kgf cm, 6.5
• •
m (20 5 kgf cm, 17.4
• •
m (30 5 kgf cm, 26.0
• •
1.3 in-lbs.)
4.3 in-lbs.)
4.3 in-lbs.)