Baroness LM331, Service Manual, Page: 37 / 165

w7s31b-004
Bite type tube fitting_004
Fix the temporary tightening tool onto the
vise and apply hydraulic oil to the threads,
tapered part, and sleeve.
w7s31b-005
Bite type tube fitting_005
Put the tube end onto the hole bottom of
the temporary tightening tool and tighten
the nut slowly to the point where the tube
can no longer be rotated by hand. This
point is called the
“
zero point.
”
w7s31b-006
Bite type tube fitting_006
4.
5.
Matchmark the zero point and further
tightening of 3/4 to one turn will cause the
sleeve to bite into the tube.
w7s31b-007
Bite type tube fitting_007
Loosen the nut and check that the sleeve
end is a few mm apart from the tube end
and the sleeve will not move in axial
direction (it is allowed to move in the
circumferential direction).
w7s31b-008
Bite type tube fitting_008
Final tightening (Reset)
Fit the preliminary tightened tube onto the
fitting body. Tighten with a spanner to the
point where some resistance is suddenly felt,
then further tighten with the nut for a 1/4 turn.
w7s31b-009
Bite type tube fitting_009
6.
7.
Hydraulic system
LM331
Hydraulic system
Page 4-11
General instructions