Lukas SC 557 - Manual (Page 23)

23
10.3 Repairs
10.3.1 Changing the blade and hand guard of cutters S 3xx and S 5xx
1. First of all, carefully clean the rescue equipment.
2. Next, close the blade arms so that the tips are almost touching.
Further procedure:
3. Remove screws A and spring washers B
of handle C.
Then, the handle can be removed in the
direction of the connecting hoses of the
device.
4. Push the hand guard E in the
depicted direction until the safety
bolts F are easily accessible.
5. Remove self-locking nut D and push the
pivot bolt G out.
6. Remove the retaining rings H and
push out bolt J.
A
B
B
C
E
F
F
D
G
H
J
H
J
REMARK:
The blade bolts are only accessible when the blade arms are almost touching