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5.3.5 Aligning the machine to the driven machine and attaching it to it (IM B5)

The standard flange is provided with a centering. The choice of fit for the mating flange on the

driven machine is the system manufacturer's or the plant operator's responsibility.

Note

If the machine is not fitted with a standard flange, align the machine to suit the driven

machine.

Procedure

The machine axis must be horizontal when it is lifted and the flange must be parallel to the

mating flange, so as to avoid seizing and stressing. Otherwise damage to the centering will

result.

1. Grease the centering flange with assembly paste to make the process easier.

2. Screw three studs into tapped holes spaced about 120° apart around the driven machine

flange. The studs act as positioning aids.

3. Position the machine so that its axis is aligned with that of the driven machine, but not yet

quite touching. Advance the machine slowly towards the driven machine; advancing too

quickly risks damaging the centering.

4. If necessary, rotate the machine into the right position so that the clearance holes in the

flange are central to the tapped holes.

5. Move the machine fully up against the mating flange so that it is fully in contact.

6. Fix the machine using the flange fixing bolts, finishing by replacing the studs.

There is a threaded hole M36 at the bottom of the machine where you can fasten the support

base.

● Mount the support base so that no additional mechanical tensions can occur in the housing.

WARNING

Mechanical tensions

The machine may be damaged by additional mechanical tensions in the housing caused

by incorrect mounting of the support base. The machine or machine parts may loosen

during operation.

This can result in death, serious injury or material damage.

● Mount the support base so that no additional mechanical tensions can occur in the

housing.

Siemens 1LA8 User Manual

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