C-12 CRUSHER
WEEKLY MAINTENANCE SCHEDULE Cont.
TURNING / CHANGING JAW PLATES:-
6:- Fit new jaw plate, ensuring that all
debris is cleaned from location slots
.
1:- Remove wedge bolts and wedges
from jawstock only
3:- Remove jaw plates using lifting
hook & ropes provided with machine
and suitable lifting equip.
5:- Clean all debris from location
blocks.
If, when examining liner plates, excessive wear is discovered, change
liner plates by loosening all bolts and removing liner plate as shown.
Refit new liner plates & Torque bolts to711Nm. Always use suitable
lifting equipment to remove plates.
DO NOT ATTEMPT TO
REMOVE THEM BY HAND.
CHANGING CRUSHER BOX LINER PLATES:-
If, when examining jaw plates it is found that they are excessively worn they must be either turned or replaced.
Jaw plates will wear more at the bottom of the crusher chamber, as this is where most of the crushing action
takes place. The jaw plates can be turned around to maximise their useful life - to change or turn jaws
proceed as follows:-
Do not allow jaw plate to become so badly worn that that the seats for the
jawplate in crusher box or jawstock become excessively worn. This may result in
the need for expensive repairs or new crusher box or jawstock.
2:- Push wear plate release lever to
bring fixed wear plate forward
4:- Pull wear plate release lever to move
wedge rams back into position
push
pull
location slot
location block
location block
location slot
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