Hitachi H 45MR, Технические данные и руководство по обслуживанию

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Oil seals
Be very careful not to damage the O-ring (1AS-50) [15] on the Front Cover [13] , the O-ring (S-34) [14] in the
Front Cover [13] , the O-ring (S-25) [19] in Hammer Holder (A) [18] , the O-ring (1AS-60) [40] in the Crank
Cover [38] , the O-rings [27] in the Striker [26] and in the Piston [33] , and the Oil Seal [47] in the Cylinder
Crank Case [48] .
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 13.7 N
•
m (140 kgf
•
cm, 121.5 in-Ibs.)
(Hex. socket hd. bolts M6 x 25)
(2) Attached bolts of bearing cover (A) 4.41 0.49 N
•
m (45 5 kgf
•
cm, 39.1 4.3 in-Ibs.)
(Hex. socket hd. flat bolts M5 x 12)
(3) Tapping screws D5 2.94 0.49 N
•
m (30 5 kgf
•
cm, 26.0 4.3 in-Ibs.)
(4) Hex. socket hd. bolts M6 x 45 9.8 N
•
m (100 kgf
•
cm, 86.8 in-Ibs.)
(5) Attached bolts of tail cover 4.9 N
•
m (50 kgf
•
cm, 43.4 in-Ibs.)
(Hex. socket hd. bolts M5 x 10)
(6) Attached bolts of crank cover 4.41 0.49 N
•
m (45 5 kgf
•
cm, 39.1 4.3 in-Ibs.)
(Hex. socket hd. bolts M4 x 12)
(7) Tapping screws D4 1.96 0.49 N
•
m (20 5 kgf
•
cm, 17.4 4.3 in-Ibs.)
(8) Attached bolts of handle 4.9 N
•
m (50 kgf
•
cm, 43.4 in-Ibs.)
(Hex. socket hd. bolts M5 x 12)
(9) Attached bolts of internal wire holder 7.84 N
•
m (80 kgf
•
cm, 69.4 in-Ibs.)
(Hex. socket hd. bolts M5 x 14)
0
+1.96
0
0.98
+
0
10
+
0
8.7
+
+1.96
0
0
+20
0
+20
+17.4
0
+17.4
0
+1.96
0
0
+20
+17.4
0
+1.96
0
0
+20 +17.4
0