Unclamping the milling cup clamping device, In the pm400 – Retsch PM 400 User Manual
Page 16

08.02.2012
Retsch GmbH
16
Doc. Nr. GB 98.535.9999
6
up = free
6
down = closed
Pull the red sleeve 6 upwards and clamp the grinding jar
by turning the three-point grip to the right.
Let the red sleeve 6 move downwards and lock audibly in
place; if necessary, tighten a bit more by means of the
three-point grip.
It must not be possible to turn the three-point grip any
further.
The red locking sleeve, which is now in the locked position,
prevents the threaded spindle from working loose.
Before starting the machine ensure that the milling cup
is clamped.
Milling cup can be ejected, danger of injury and damage to
equipment.
Always insert 2 opposite or 4 milling cups. All cups
must have the same gross weight.
Use milling cups only of type „C“.
This, in combination with the milling cup holder, is a safety
component.
If other or old milling cups are used in the PM400 this
can result in unforeseen danger.
Never leave the milling cup clamping device 3 loose, without
clamped milling cups, in the milling cup holder.
Danger of ejection.
Check firm fitting of the milling cups, particularly with long-
term milling operations, according to the following time
schedule: after 3 min, after 1 hr, after 5 hrs then every 10-12
hrs. A clamping force of 10 Nm for the milling cup clamping
device is optimum.
Danger of ejection.
Always ensure that the red sleeve is locked in place properly.
Otherwise the milling cup will not be clamped adequately.
Danger of ejection.
Unclamping the milling cup clamping device
in the PM400
Pull the red sleeve 5 upwards and unclamp the milling
cup by turning the 3-star handle to the left.
Continue to turn the 3-star handle to the left until the
milling cup clamping device can be removed.