Danfoss ET5070, Руководство оператора, Страница: 55 / 96

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 filter: Change according to control dis-
play.
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
Guiding plates: Check for wear (visible grooves, une-
venness).
X
Hexagon socket screws in the base dies: retighten
initially after 1000 crimping cycles , subsequently af-
ter 50,000 crimping cycles, each (HM 3xx M8, torque
MA = 25 Nm; HM400 / HM 450 / HM 480 M8, torque
MA = 40 Nm, HM 660 / HM 665.3 M12, torque MA
=145 Nm).
Check all bolted connections for secure fitting and
retighten if necessary.
1