9
Maintenance
9-14
RUTHMANN-Steiger
®
TB270
BA.GB.12-27409-05-07-FTA-jr
9.2.2
Connection pieces at hydraulic cylinders
Tightening moments Screw fittings Connecting pieces
Fitting
Screw
Tightening
No.
„Connecting piece -
cylinder“
Designation
Dimension
Quality
moment
M
A
(Nm)
1.
Jack cylinder (vertical)
(only with screw fitting)
Cheese-head
screw
M 8
M 8
8.8
10.9
25
36
1.
Extension cylinder of jack
arm (horizontal)
Hex. screw
M 8
8.8
20
1.
Hydrostat cylinder
(master cylinder)
Hex. screw
M 8
8.8
20
1.
Lifting cylinder
Hex. screw
M 8
8.8
20
1.
Telescope cylinder
Hex. screw
M 8
8.8
20
1.
Hydrostat cylinder
(slave cylinder)
Hex. screw
M 8
8.8
20
Example
Connecting piece with hexag-
onal screw fitting
1. Hex. screw
2. Connecting piece
3. Hydraulic cylinder
Summary of Contents for 27409
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