Sennheiser MM 400-X Operations Instructions download pdf (Page 17)

2/8/2012 17 Retsch GmbH

Inserting / replacing the milling cups

Place the milling cups, filled with the material to be milled and

the milling balls, into the centering points Z of the clamping

device and clamp firmly. Fig.1/2

Remove the locking pin SB upwards from the groove and

turn through 90°. Fig.1/2

This unlocks the locking device.

Turn the handwheel HD counterclockwise until the max.

clamping range is reached. Fig.1/2

Turn the locking pin SB back through 90° until it engages in

the groove again.

Insert milling cup and press lightly into the centering point Z

Turn the handwheel HD clockwise with two fingers until the

milling cup just fits, free of play, in the holder. Then

continue to turn the handwheel clockwise through 6 – 8

easily audible “clicks”, while at the same time the locking

pin SB is raised and lowered with clearly audible “clicks”.

The engaged locking pin reliably prevents automatic opening of

the milling cup holder.

If the locking pin SB cannot be pulled upwards to release it,

unlocking should not be forced with a hammer or similar tool.

Otherwise the hardened locking pin can break off.

Briefly retension the handwheel HD in the clockwise direction –

the locking pin can then move freely again.

To remove the milling cup lift the locking pin and turn the

handwheel in the opposite direction to tighten.

In order to guarantee quiet running of the MM 400 both milling

positions must be loaded with approximately the same mass.

Ensure that the milling cups are inserted correctly in the

guides.

Otherwise the milling cup will be damaged when the machine is

started.

When removing and opening hot milling cups always wear

protective gloves.

Danger of burning the hands.

Setting the milling time

• Switch on the MM 400 with switch D

Preselect time:

• Set required milling time with + / - buttons N+ and N-

• Short pressing of N+ or N- adjusts the time by one second or

one minute. When pressed for longer the display runs

continuously without a pause.

If 99.0 minutes is exceeded the display L shows 0.10

seconds again.

N -

N +

Abb.1

Abb.2

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Sennheiser MM 400-X Operations Instructions Page 17

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