Work Operation 5
TC29
47
5.3.5 Hydraulic rock breaker
Attachment
Only the rock breakers approved by
Terex are to be used.
The mounting and operating instructions
of the hydraulic rock breaker
manufacturer must be observed!
The hydraulic circuit of the rock breaker
must be secured according to the
instructions of the hydraulic rock breaker
manufacturer.
When working in or under water, special
rock breaker types must be used.
• The hydraulic rock breaker is mechanically
attached in the same manner as a bucket
attachment with or without quick-attach system.
• The hydraulic pressure supply is connected to a
line of the additional control circuit (29/1) by a
coupling.
• The return must be connected to the coupling
(29/4) of the "open return".
Working with the hydraulic rock breaker
The mounting and operating instructions of the
hydraulic rock breaker manufacturer must be
observed!
Improper use may lead to severe
damage to the rock breaker, holder and
the excavator itself.
Maintenance
The maintenance of the hydraulic rock breaker
must be performed according to the instructions of
the hydraulic rock breaker manufacturer.
Fig. 29-Additional control circuit
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