Hitachi H 45SR Technical Data And Service Manual page 19

Oil seals
Be very careful not to damage the O-ring (1AS-50) [14] on the Front Cover Ass'y [10], O-ring (S-34) [13] in the
Front Cover Ass'y [10], O-ring (S-25) [17] in Hammer Holder (A) [16], O-ring (1AS-60) [38] in the Crank Cover
[36], O-rings [25] in the Striker [24] and in the Piston [31], and Oil Seal [45] in the Cylinder Crank Case [46].
9-1-3. Screw locking agent TB1401
Apply screw locking agent TB1401 to all hex. socket hd. bolts M4, M5 and M6.
Caution: If bolts are loosened by vibration, it could cause damage to the hammer body. Ensure without
fail that screw locking agent is applied to threaded portions prior to reassembly.
9-1-4. Tightening torque
(1) Attached bolts of front cover
(Hex. socket hd. bolts M6 x 25)
(2) Attached bolts of bearing cover (A)
(Hex. socket hd. flat bolts M5 x 12)
(3) Tapping screws D5
(4) Hex. socket hd. bolts M6 x 45
(5) Attached bolts of tail cover
(Hex. socket hd. bolts M5 x 10)
(6) Attached bolts of crank cover
(Hex. socket hd. bolts M4 x 12)
(7) Tapping screws D4
(8) Attached bolts of handle
(Hex. socket hd. bolts M5 x 12)
(9) Attached bolts of internal wire holder
(Hex. socket hd. bolts M5 x 14)
+
13.7 N m (140 + kgf
0.98
10
•
0
0
4.41 0.49 N m (45 5 kgf
•
2.94 0.49 N m (30 5 kgf
•
+20
+1.96
9.8 N m (100 kgf
•
0 0
4.9 +1.96 N m (50 kgf cm, 43.4
+20
• •
0
0
4.41 0.49 N m (45 5 kgf
•
1.96 0.49 N m (20 5 kgf
•
+20
+1.96
4.9 N m (50 kgf cm, 43.4
• •
0 0
+1.96
+20
7.84 N m (80 kgf
•
0
0
--- 16 ---
+
cm, 121.5 8.7 in-Ibs.)
•
0
cm, 39.1 4.3 in-Ibs.)
•
cm, 26.0 4.3 in-Ibs.)
•
cm, 86.8 +17.4 in-Ibs.)
•
0
in-Ibs.)
+17.4
0
cm, 39.1 4.3 in-Ibs.)
•
cm, 17.4 4.3 in-Ibs.)
•
+17.4
in-Ibs.)
0
+17.4
cm, 69.4 in-Ibs.)
•
0