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Arm System
6.3 Balancing weight
Refer to foldout 2:1
Dismounting:
1. Attach a hoist with two lifting eyes to the balancing weight.
2. Loosen the four M16 screws.
3. Lift the weight away.
Mounting:
Mount in reverse order.
6.4 Lower Arm
Refer to foldout 2:1,
Dismounting:.
Danger! Be careful! Make sure that the upper arm is locked in position and
cannot move.
1.
Dismount the balancing weight for axis 3. (see chapter 6.3).
2.
Attach a hoist to the upper arm.
3.
Remove the locking screw and washer <2:1/223, 224> on the parallel arm and the
upper arm, press the shafts out with a hydraulic press and tool no.3HAC 5026-1
and lift the parallel bar away.
4.
Remove the harness on the upper and lower arms as described in 7, Cabling.
5.
Dismount the upper arm as described in Chapter 6.1 Upper Arm.
6.
Dismount the two balancing units <2:1/4> as described in 5.1, Dismounting bal-
ancing unit or 5.2, Replacing guide ring, balancing unit.
7.
Dismount the M16x70 screws between the parallel arm and gearbox axis 3 and
between lower arm and gearbox axis 2, (the lower arm must be reorientated to
make it possible to dismount all the screws) save at least two parallel placed screws
on each side.
8.
Attach a hoist to the lower arm.
Danger! Be sure that the lower arm is properly attached to the hoist before loos-
ening the last screws.
9.
Dismount the last four screws.
32
Repairs
Product Manual IRB 6400R
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