Atlas Copco CC 250, Operating Instructions Manual

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Note!
The Combi c u tt e r and e xc a v a t o r will no t ope r a t e t o
f ull c apa c i ty un t il t he oil t empe r a t u r e ha s r ea c hed a t
lea st 60
o
C .
CAUTION!
Feeding ho t h y d r auli c oil t o an e xtr emel y c old Combi
c u tt e r will c au s e in t e r nal str e ss e s in t he uni t r e s ul t ing
in i ts f ailu r e .
O pe r a t ion s wi t h h y d r auli c oil ma y c au s e damage
when t he oil ha s no t been p r ehea t ed adequa t el y.
7.8. Operating the Combi cutter with the cylinders fully extended or
retracted
CAUTION!
O pe r a t ing t he Combi c u tt e r wi t h t he s ho v el /st i ck
cy linde rs f ull y e xt ended o r r e tr a ct ed mu st be a v oided
a t all c o sts. The s e end po s i t ion s a r e equipped wi t h
damping f un ct ion s; c on t inuou s ope r a t ion a t f ull
e xt en s ion /r e tr a ct ion c an r e s ul t in damage t o t he
h y d r auli c cy linde rs.
Remedy: Repo s i t ion c a rr ie r and / o r boom .
8. Maintenance and care of the Combi cutter
8.1. General informations
I n o r de r t o ob t ain t he be st pe rf o r man c e fr om t he
Combi c u tt e r, main t enan c e wo rk s hould be c a rr ied
ou t b y t he ope r a t o r a t t he p r e scr ibed in t e rv al s.
DANGER!
O b s e rv e all r ele v an t s a f e ty r egula t ion s when
pe rf o r ming main t enan c e wo rk.
The hydraulic system must be depressurised
before all maintenance work on the Combi
cutter!
P r o c edu r e a s f ollow s:
H
Swi tc h o ff engine bu t lea v e igni t ion s wi tc hed on .
H
Repea t edl y a ct ua t e t he s wi tc he s f o r opening /
c lo s ing /r o t a t ing Combi c u tt e r.
H
di sc onne ct h y d r auli c ho s e s fr om Combi c u tt e r
When wo rk ing on t he Combi c u tt e r, en s u r e t ha t
no − one i s st anding be t ween t he open jaw s.
Risk of injury!
P r io r t o main t enan c e , c leaning o r r epai r wo rk, ma k e
s u r e t ha t t he Combi c u tt e r i s r e st ing in a st able st a t e .
P r op up t he ma c hine u s ing wooden plan ks o r s imila r.
U s e t he lo ck− pin s t o p r e v en t r o t a t ion .
Fig . 24