Maintenance work on the carrier
7.11 Suspension
16.11.2018
Maintenance manual 3 302 756 en 7 - 79
GMK6400
7.11 Suspension
7.11.1 Suspension struts – Checking the oil level
Oil, spare parts,
tools
– Press with connected hose (from the toolbox).
Prerequisites – The engine must not be running and must be secured against unauthor-
ised use; Ã p. 2 - 3.
– Immediately before the inspection, the truck crane must be completely
lowered and returned to
on-road level; Ã Operating manual.
• Check that oil is visible in the middle of the
sight glass (1) on each suspension strut.
If the oil level is too low
• Open the connection (2) – oil escapes – and
quickly connect the press with the hose.
• Inject oil until it reaches the middle of the
sight glass.
• Remove the hose and quickly close the
connection (2).
Oil
in litres (gal)
Designation GROVE part no.
for each suspen-
sion strut:
1.5 (0.4)
Rivolta S.K.D. gear oil 170 02310863
S
Risk of damage due to faulty suspension struts!
If the oil level is above the upper marking on the sight glass, the suspension
strut is faulty and must be replaced.
Notify Manitowoc Crane Care or an authorised GROVE dealer.
S
Risk of damage to the suspension struts due to insufficient lubrication!
It is difficult to inject the oil. Do not fill oil through the inspection glass
connections! If you do this, the oil will not reach all the lubricating points.
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