WARNING
Risk of high pressure injection.
Residual pressure in the hydraulic system could
lead to oil under high pressure jetting out and cause
serious injury, even if the engine has not been
running for some time.
Always release the pressure before any kind of
service of the hydraulic system is carried out.
CAUTION
Risk of cutting and crushing.
Loose parts could cause crushing and cutting injury.
Never use your fingers for checking alignment
between loose parts. Always use a tool.
NOTE!
The linkage could change position during changing
attachment, pay attention on moving parts.
1 Place the machine on firm and level ground.
2 Slowly lower and align the boom, until fastening
bores (2) of the hammer are flush with the holes
in the boom.
3 Insert pivot pins (1) into fastening bores (2).
4 Clean the hydraulic connections on hammer and
dipper arm.
NOTICE
Protect the hydraulic connections against dirt,
because only this will ensure the correct function of
hydraulic connections and hydraulic system.
5 Release the pressure from the hydraulic system
according to the procedure on page
114
.
6 Connect the hydraulic hoses (pressure line (A)
and return line (B)) of the hammer to the
hydraulic connections on the boom.
7 Lock the hydraulic couplings.
NOTICE
The machine hydraulic oil level must be checked
after the hammer has been operated for 2–3
minutes.
Connecting with pivot pins
A Pressure line
B Return line
1 Pivot pins
2 Fastening bores
Operating techniques
Hammer
121
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