Safety and operating instructions
54 © Construction Tools GmbH | 3390 5203 01 | 2019-08-06
Original Instructions
7.17 Bolt connections / Tightening torques
The bolt connections of hydraulic breakers are subjected to very high loads.
n
Tighten any loose connections without exceeding the recommended tightening torques.
HB3100
HB3100DP
HB3600
HB3600DP
HB4100
HB4100DP
HB4700
HB4700DP
Connection point Interval Type of
spanner
Size / Torque
Adapter plate*
(fastening screws)
A daily Allen key 27mm (1.06in.)
2300Nm (1696ftlbs)
Tensioning bolts** B weekly
visual
check
Torque
wrench/
power
wrench
65mm
(2.56in.)
75mm
(2.95in.)
75mm
(2.95in.)
75mm
(2.95in.)
Cover for control mecha-
nism / control mechanism
(Allen screws / hexagon
head screws)
C in case of
a repair
Allen key 17mm (0.67in.)
380Nm (280ftlbs)
AutoControl System D in case of
a repair
Allen key 22mm (0.87in.)
300Nm (221ftlbs)
PowerAdapt E in case of
a repair
socket
spanner
24 mm (0.95in.)
300Nm (221ftlbs)
Filling valve »G«
(threaded plug)
F in case of
a repair
socket
spanner
Allen key
22mm (0.87in.) / 130Nm (96ftlbs)
5mm (0.20in.) / 20Nm (15ftlbs)
Ports »P« and »T« G weekly open-ended
wrench
55mm (2.17in.)
285Nm (210ftlbs)
HP-accumulator***
(Fastening screws)
H weekly socket
spanner
30mm (1.18in.)
Flanges (Allen screws) I weekly Allen key 10mm (0.39in.)
80Nm (59ftlbs)
Percussion chamber venti-
lation
J in case of
a repair
open-ended
wrench
41mm (1.31in.)
200Nm (148ftlbs)
Swivel joint covers
(Allen screws)
K daily Allen key 10 mm (0.39in.)
85Nm (63ftlbs)
Hose connections
ContiLube
®
II
- weekly Various open-ended spanners with different spanner sizes