RUTHMANN 27409, Operating And Maintenance Instructions Manual

Page: 195 / 261

9 Maintenance
BA.GB.12-27409-05-07-FTA-jr
RUTHMANN-Steiger
®
TB270
9-9
Rotating device
4.1
4.2
4.3
4.4
Hydraulic engine - stop-
ping brake
Stopping brake - worm
gear
Ball bearing slewing gear
- base frame
Ball bearing slewing gear
- turret plate
M 12
M 12
M 16
M 16
10.9
10.9
10.9
10.9
117
117
240
240
Bearing points with plastic bushing and bolt lock
5.1
5.2
Bearing point turret -
boom
Bearing point boom -
lifting cylinder
M 8
M 10
10.9
8.8
28
39
Further bolt locks
6.1
6.2
Bolt locks with disc and
countersunk screw
Axle support
M 5
M 6
M 8
M 10
M 16
-
5.8
10.9
10.9
8.8
10.9
-
3
11
25
35
210
-
Boom system
7.1
7.2
7.3
7.4
Boom „V“ - console tele-
scope cylinder
Boom „IV“ - axle rope
roller
Boom „III“ - axle rope
roller
Boom „II“ - axle rope roller
M 8
M 8
M 6
M 6
8.8
10.9
10.9
10.9
20
28
11
11
Jacking
8.1
8.2
8.3
Cylinder clip
Jack arm - extension
cylinder
Jack bock to the basic
frame - extension cylinder
M 8
M 8
M 8
8.8
10.9
10.9
20
28
(Loctite)
28
(Loctite)
Prestressed screw fittings which are not mentioned above must be tight-
ened at a tightening moment reduced up to 80% according to VDI-
regulations VDI 2230.
The screw connections mentioned above are shown in the sketches. The
corresponding tightening moments can be taken from the above table.