Cleaning, Wear and Maintenance
37
8.2 Wear
CAUTION
C14.0013
Risk of injury
Improper repairs
−
Unauthorised and improper repairs can cause injuries.
•
Repairs to the device may only be carried out by the Retsch GmbH ,
an authorised representative or by qualified service technicians.
•
Do not carry out any unauthorised or improper repairs to the device!
Jaws may wear depending on the frequency of grinding and the property of the sample material.
The jaws and the wearing plates should be inspected regularly for wear and replaced where
necessary.
8.2.1 Replacing the breaking jaws
The jaws on the Jaw Crusher BB 600 are replaced as follows:
•
Turn the machine off b
y the main switch (H) (see “
”).
•
Disconnect the machine from the power supply and secure to prevent it restarting.
Fig. 13:
Feed hopper
•
Unscrew the four hex screws (S) for the feed hopper (A).
•
Lift the feed hopper (A) up and off.
•
Set the gap width to maximum.
To do this, unscrew the lock nuts and remove the spacer plates (see “
A
S
