Maintenance work on the carrier
7.8 Angle gear
09.03.2018
Maintenance manual 3 302 744 en 7 - 55
GMK5250L
Prerequisites – The crane must be rigged with an outrigger span of at least 8.95 x 7.80 m
(29.4x25.6ft) and be level;
à Operating manual.
– The main boom must be fully retracted and fully raised; à Operating
manual
.
– The turntable must be turned to the 0° position to the rear; à Operating
manual
.
– The engine must be switched off and secured against unauthorised use;
à p. 2 - 3.
– The cover on the turntable over the centre of rotation must be removed.
– The hydraulic drives and the angle gear must have cooled down suffi-
ciently.
– The access opening and the interior space must be clean and free of oil so
that the fitter can work safely in the restricted space where the angle gear
is installed.
Checking
• Remove the drain plug (1).
• Check that the oil reaches the lower edge of
the opening.
• Fit a new gasket and tighten the drain plug.
If the oil level is too low
• Top up the oil; à p. 7 - 57.
s
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