PRONAR T028KM, Operator'S Manual

Page: 93 / 101

SECTION 5 PRONAR T028KM PRONAR T028ML
5.31
5.8
(1)
8.8
(1)
10.9
(1)
THREAD
METRIC
Md [Nm]
M16 160 210 310
M20 300 425 610
M24 530 730 1,050
M27 820 1,150 1,650
M30 1,050 1,450 2,100
(1) – resistance class according to DIN ISO 898 standard
Unless other tightening parameters are given, during maintenance repair work apply
appropriate torque to tighten nut and bolt connections. Recommended tightening torque
values for the most frequently used bolt and nut connections are given in table (5.6). Given
values apply to non-lubricated steel bolts.
TIP
Hydraulic lines should be tightened using torque of 50 – 70 Nm.
FIGURE 5.13 Bolt with metric thread
(1) strength class (d) thread diameter