Epiroc HM Series - Bolt Connections; Tightening Torques

Safety and operating instructions
40 © Construction Tools GmbH | 3390 5149 01 | 2020-09-22
Original Instructions
7.13 Bolt connections / Tightening torques
The bolt connections of Hydro Magnets are subjected to very high loads.
n
Tighten any loose connections without exceeding the recommended tightening torques.
Connection point Interval Type of spanner / size Tightening torque
Adapter plate*
(fixing bolts)
A daily Allen key / 22 mm (0.87in.) 1500 Nm (1106ftlbs)
Hydraulic ports »P«
and »T«
B weekly open-ended wrench / 10 mm (0.39in.) 275 Nm (203ftlbs)
Hydraulic port »mag-
net plate on/off«
C weekly open-ended wrench / 24 mm (0.95in.) 70+10 Nm (52+7ftlbs)
%
50
60
70
80
90
100
B
C
B
A