Locking assembly
Shaft end
diameter, mm
Torque for tightening bolts
84 59 12
70
• Stage 1: 12 Nm (8.8 ft-lbs)
• Stage 2: 24 Nm (18 ft-lbs)
• Stage 3: 35 Nm (26 ft-lbs)
84 59 13
75
84 59 14
90
• Stage 1: 24 Nm (18 ft-lbs)
• Stage 2: 48 Nm (35 ft-lbs)
• Stage 3: 70 Nm (52 ft-lbs)
84 59 17
(C3351, C3531, C3602 with drive
units 905–960)
110
• Stage 1: 24 Nm (18 ft-lbs)
• Stage 2: 48 Nm (35 ft-lbs)
• Stage 3: 70 Nm (52 ft-lbs)
84 60 11
(C3351, C3531, C3602 with drive
units 965–995; and C3800)
110
• Stage 1: 70 Nm (52 ft-lbs)
• Stage 2: 154 Nm (113 ft-lbs)
• Stage 3: 230 Nm (170 ft-lbs)
Torque values
Screws and nuts
Property
class
M4
M5
M6
M8
M10
M12
M16
M20
M24
M30
Stainless steel, A2
and A4, torque Nm
(ft-lbs)
70 +80
5
2.7 (2)
5.4 (4)
9.3 (6.9) 22 (16)
44 (32) 76 (56) 187 (138) 364
(268)
629
(464)
1240
(915)
Carbon steel and
alloyed steel, torque
Nm (ft-lbs)
8.8
2.9 (2.1) 5.7 (4.2) 9.8 (7.2) 24 (18)
47 (35) 81(60)
194 (143) 385
(285)
665
(490)
1310
(966)
10.9
4.0 (2.9) 8.1 (6)
14 (10.3) 33 (24.3) 65 (48) 114 (84) 277 (204) 541
(399)
935
(689)
1840
(1357)
12.9
4.9 (3.6) 9.7 (7.2) 17 (12.5) 40 (30)
79 (58) 136
(100)
333 (245) 649
(480)
1120
(825)
2210
(1630)
Screws with countersunk heads
5
Property class 70 is torque tightened as class 80.
Maintenance
C3300/6x5, C/R3231, C3240, C3306, C3312, C3351, C3356, C3400, C3501, C3531, C3602, C3800 Installation,
Operation and Maintenance Manual
101