RUTHMANN Steiger TB270 - Page 208

9 Maintenance
9-22
RUTHMANN-Steiger
®
TB270
BA.GB.12-27409-05-07-FTA-jr
9.2.7 Banjo bolts with swivelling screw-fitting
The tightening moments are valid for banjo bolts with steel-swivelling
screw-fitting (WHO) with PTFE-seal.
The surface is zinc coated, yellow chromed and coated for gliding. Pay at-
tention to the various tightening moments in relation to the material of the
screw-in drilling of the counter body made of steel / cast or aluminium.
Example:
Tightening moments (M
A
) for WHO-fittings
Part-No.
fitting
Series
L =light
metric
thread
M
A
5%
(Nm)
S = heavy
Steel/Cast
Al
401.256
L 12
M 16 x 1,5
80
50
401.556
L 15
M 18 x 1,5
120
65
402.081
S 20
M 27 x 2
270
180
Part-No.
fitting
Series
L =light
Withworth
pipe thread
M
A
5%
(Nm)
S = heavy
Steel/Cast
Al
400.857
L 8
G 1/4 A
50
35
401.257
L 12
G 3/8 A
80
55
401.557
L 15
G 1/2 A
150
95