PRONAR PT512, Operator'S Manual

Page: 132 / 139

Pronar PT512 CHAPTER 5
5.36
5.8
(1)
8.8
(1)
10.9
(1)
METRIC
THREAD
Md [Nm]
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
FIGURE 5.14 Bolt with metric thread
(1) resistance class, (d) thread diameter
Unless other tightening parameters are given, during maintenance and repairs apply
appropriate torque to tightening nut and bolt connections. Recommended tightening torque of
most frequently applied bolt connections are given in table (5.6). Given values apply to non-
lubricated steel bolts.
Hydraulic lines should be tightened with torque of 50 – 70 Nm.