31
3.1 U
NPACKING
,
ASSEMBLING
AND
CONNECTING
THE
MACHINE
ALS
20X
256
WARNING!
Danger of injury by the machine falling to
ground.
– This danger exists if the machine is to be
mounted so as enable sideways swivel-
ling, i.e. if the pin in the joint is vertical. If
the machine is mounted incorrectly [20],
it will fall to the ground as soon as the set
screws clamping either the top or bottom
half of the joint pin are loosened.
Always mount the head joint assembly to
the machine with the clamp pointing
downwards [19].
Wear safety footwear during mounting.
[21]
A
Head joint element
B
Joint axis
Assemble the two halves of the head joint [22A] with
the joint pin [22B] as shown. Tighten the set-screws
at the joint axis.
Slide one half of joint over the trunnion (bolt-on cy-
linder) on the machine and tighten the screw [22A].
– Observe the warning notice (see above). Mount the
head joint assembly with the clamp pointing side-
ways or downwards.
Lift the machine and slide the free end of the head
joint over the end of the support tubing. Tighten the
set-screw [22B].
Tightening torques:
– Set-screws at machine and
stand [22A, B] . . . . . . . . . . . . . . . . . . 45 Nm
– Set-screws at the joint axis [21C] . . . 45 Nm
[19] Correctly mounted head joint assembly. The clamp on the
machine-side of the joint is pointing
downwards
!
[20] Wrongly mounted head joint assembly. The clamp on the
machine-side of the joint is pointing upwards!
A
A
C
B
C
[22] Assembling the two halves of the head joint (A) with the
joint pin (B).
B
A
Summary of Contents for ALS 204
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