KCM 70Z7 - Page 349

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.