Hitachi H90SE, Технические данные и руководство по обслуживанию

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9-1-3. Screw locking agent TB1401
(1) Prior to reassembly, all M4, M5, M6, M8 and M10 hexagon socket hd. bolts and machine screws must be
coated with screw locking agent TB1401.
(2) The following parts must be replaced with new Hitachi genuine parts if they are loosened once.
Front cover fixing bolts: M12 x 40 [4]
Cylinder case fixing bolts: M10 x 45 [16]
[CAUTION] If fastening bolts come loose from vibration, it could cause serious damage to the machine.
Ensure without fail that TB1401 screw locking agent is applied as directed above prior to
reassembly. Before applying the TB1401, carefully clean any grease or other foreign matter
from the male and female threads with gasoline, thinner or similar cleaning solvents.
9-1-4. Tightening torque
(1) M4 hexagon socket hd. bolts 4.41 N
•
m (45 kgf
•
cm, 39.1 in-Ibs.)
(2) M5 hexagon socket hd. bolts 7.84 N
•
m (80 kgf
•
cm, 69.5 in-Ibs.)
(3) M6 hexagon socket hd. bolts 9.80 N
•
m (100 kgf
•
cm, 86.9 in-Ibs.)
(4) M8 hexagon socket hd. bolts 19.6 N
•
m (200 kgf
•
cm, 173.8 in-Ibs.)
(5) M10 hexagon socket hd. bolts 29.4 N
•
m (300 kgf
•
cm, 260 in-Ibs.)
(6) M12 hexagon socket hd. bolts 49.0 N
•
m (500 kgf
•
cm, 434.4 in-Ibs.)
[NOTE] If above bolts are tightened more than the designated values, it may cause breakage. Without fail,
tighten the bolts and screws according to the above specified values.
9-1-5. Internal wiring
Wiring diagram of products with noise suppressor
Switch
+1.96
0
+20
0 +12.4
0
+1.96
0
+20
0
+17.4
0
+1.96
0 +20
0
+26
0
0.49 5 4.3
+17.4
0
+2.94
0
+30
0
+2.94
0
+30
0
+26
0
Stator Connector Tube
Brown
Tube
Plug
Blue
Noise
suppressor
Pillar terminal Stator
Armature
Connector
Fig. 20