Maintenance work on the carrier
7.8 Axle lines
7 - 60 3 302 756 en Maintenance manual
GMK6400
16.11.2018
7.8.3 Checking the hydraulic drives
If the symbol appears on the display, then the disconnection/connection of
the hydraulic drives is faulty.
Prerequisites – The truck crane must be raised on outriggers or parked over an inspec-
tion pit.
– The engine must not be running and must be secured against unauthor-
ised use; Ã p. 2 - 3.
Checks The hydraulic drives drive the final drives on the 4th and 5th axle lines.
At higher speeds, the hydraulic drives are disconnected from the final drives
using a coupling.
• Check the fastening of the hydraulic
drives
(1) in the final drives (8) – the bolts (7)
should be tight.
• Check the suspension of the hydraulic
hoses
(2) in the flexible buffers (3).
• Check that the hydraulic hoses (2) do not
leak and are not damaged.
If hydraulic oil has leaked, you must
check the oil level;
à Checking the oil level,
p. 7 - 89.
• Check the electrical cables and plugs (5) for
tightness and undamaged.
• Check the guard (6) and the cable cover (4)
for damage.
If any damage is found, report it to Manitowoc Crane Care or an authorised
GROVE dealer or an authorised specialist workshop.
S
Danger of tearing off the hoses!
In uneven terrain with protruding obstacles, the hydraulic hoses and the
electrical cables can be abraded through or torn off.
Check that the hoses and the electric lines do not sag or are damaged.
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