Maintenance item
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Hydraulic system
Hydraulic energy lines
–
hoses: Check for porosity
and leaks.
X
Hydraulic energy lines - bolted connections of hoses
and pipes: Check for leaks.
X
Hydraulic oil: Check oil level, add oil if required (see
“Replacing hydraulic oil”
in Section 6).
X
Hydraulic oil: Replace
1
Hydraulic hoses: Have replaced (DIN 20066) no later
than six years after manufacture (see label).
Make sure that replacement hoses are of equivalent
quality (high-pressure hoses).
6
Crimping tool
Crimping tool: Check for damage and wear.
X
Retaining bolt: Check for damage.
X
Slide bearing plates: Check for wear (see
“Checking and replacing slide bearing plates” in Sec-
tion 6).
X
Pressure springs between base dies: Check for da-
mage.
X
Check all bolted connections for secure fitting and
retighten if necessary.
1
Safety equipment
Emergency-stop button/Emergency stop device:
Check function
X
Fixed guards and covers: Check for completeness
and correct installation.
X
For machines with foot switch, only
Check case foot switch for completeness. The case
protects the pedals against unintentional activation.
X
Warning signs on the machine: Check legibility (see
"Warning signs on the machine" in Section 2).
X
Summary of Contents for ET4500-001
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Page 69: ...Item Quantity Part code Designation 1 2 245 515 Piston pressure switch pressure setting 40 bar...
Page 74: ...Retaining bolt Crimping die profile 262 263 239 266 232 237 554 245 246 247 245 114 4 x x x...
Page 75: ...9 6 Hydraulic diagram...
Page 76: ...9 7 Electric diagram...
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