Retsch SR 300 - Manual (Page 12)

2/8/2012

Retsch GmbH
12
0002
Opening and closing the mill housing
Fig. 4
Open the housing only with the SR 300 switched off.

Turn the main switch A to its OFF position. Fig. 4

Press the handwheel B and turn it to the left.

Handwheel will catch in the end position;
the door can now be opened.

Close in reverse order.
Close the door only if the contact surfaces are absolutely free of pul-
verized product and other foreign objects.
Mechanical components and the gasket could otherwise be
damaged.
!
Do not open the SR 300 with the motor running.
When pulverizing product which is toxic or otherwise hazardous
to health there is a danger of inhaling harmful dusts.
!
Do not open the SR 300 and release the motor brakes simultaneously.
Injury hazard resulting from rotor-beater not being held by the
brake.
Insert 360° sieve frame with ring sieve
Fig. 5
Available as accessories are chrome-plated, stainless steel frames and ring
sieves in a choice of sizes, with Conidur or round holes. Fig. 5
Conidur holes 0.08 / 0.12 / 0.20 / 0.25 / 0.50 /
0.75 / 1.0 / 1.25 / 1.5 / 2.0 mm
Round holes 3.0 / 4.0 / 5.0 / 6.0 / 8.0 / 10.0 mm
 Unscrew the screws S2.
 Remove the ring R1 and insert the ring sieve SI in the groove NU of
ring R2; when using a sieve with Conidur perforations pay attention to
the arrow, corresponding to the rotor’s direction of rotation.
 Carefully position the ring R1 until the sieve SI slides into the groove
NU.
 Screw down the screws S2 and tighten them securely.
 Open the door.
 Insert the sieve frame with the ring sieve; ring R1 is to the front, ring R2
to the rear.
 The screw heads S3 at the ring R2 must seat in the holes in the mill
housing.
 Close the door.
Check to ensure that a collection receptacle is in place.
 Start the SR 300.