MAINTENANCE
7-108
Tightening Torque Chart
Bolt Dia.
mm (in)
Tightening torque
N·m (kgf·m) (lbf-ft)
Wrench size
mm (in)
Hexagon
Bolt
(8~11T)
Flanged
Bolt
(8T)
Socket Bolt
(11T)
(8T)
(4T)
6 (0.24)
3~4
(0.3~0.4) (2.2~3)
10 (0.39)
10 (0.39)
5 (0.20)
8 (0.31)
30
(3)
(22)
20
(2)
(14.8)
10
(1)
(7.4)
13 (0.51)
12 (0.47)
6 (0.24)
10 (0.39)
65
(6.5)
(48)
50
(5)
(36.9)
20
(2)
(14.8)
17 (0.67)
14 (0.55)
8 (0.31)
12 (0.47)
110
(11)
(81)
90
(9)
(66.4)
35
(3.5)
(25.8)
19 (0.75)
17 (0.67)
10 (0.39)
14 (0.55)
180
(18)
(133)
140
(14)
(104)
55
(5.5)
(40.6)
22 (0.87)
12 (0.47)
16 (0.63)
270
(27)
(199)
210
(21)
(155)
80
(8)
(59)
24 (0.94)
22 (0.87)
14 (0.55)
18 (0.71)
400
(40)
(295)
300
(30)
(221)
120
(12)
(88.5)
27 (1.06)
14 (0.55)
20 (0.79)
550
(55)
(406)
400
(40)
(295)
170
(17)
(125)
30 (1.18)
27 (1.06)
17 (0.67)
22 (0.87)
750
(75)
(553)
550
(55)
(406)
220
(22)
(162)
32 (1.26)
24 (0.94)
950
(95)
(700)
700
(70)
(516)
280
(28)
(207)
36 (1.42)
32 (1.26)
19 (0.75)
27 (1.06)
1400
(140)
(1033)
1050
(105)
(774)
400
(40)
(295)
41 (1.61)
30 (1.18)
1950
(195)
(1438)
1450
(145)
(1069)
550
(55)
(406)
46 (1.81)
33 (1.30)
2600
(260)
(1918)
1950
(195)
(1438)
750
(75)
(553)
50 (1.97)
36 (1.42)
3200
(320)
(2360)
2450
(245)
(1807)
950
(95)
(700)
55 (2.17)
CAUTION: If counterweight mounting bolts are
loosened, consult your nearest authorized dealer.
IMPORTANT:
y
Apply lubricant to bolts and nuts to lower friction
except plated bolts and nuts.
y
Remove soil, dust, and/or dirt from the nut and bolt
thread surfaces before tightening.
y
Tighten nuts and bolts to specifications. If tightened
with excessively low or high torque, missing or
breakage of nuts and/or bolts may result.
Summary of Contents for 70Z7
Page 2: ...93108 00691 April 2015...
Page 5: ......
Page 11: ...MACHINE NUMBERS 2 MEMO...
Page 51: ...SAFETY LABELS S 40 6 10 4 1 3 9 6 5 SS 3461...
Page 171: ...OPERATOR S STATION 1 110 MEMO...
Page 173: ...BREAK IN 2 2 MEMO...
Page 187: ...OPERATING THE ENGINE 3 14 MEMO...
Page 231: ...OPERATING THE MACHINE 5 24 MEMO...
Page 359: ...MAINTENANCE 7 118 MEMO...
Page 363: ...MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS 9 4 MEMO...
Page 367: ...STORAGE 10 4 MEMO...