Maintenance work on the carrier
7.12 Suspension
25.11.2016
Maintenance manual 3 302 364 en 7 - 83
GMK 4100L-1
7.12 Suspension
7.12.1 Suspension struts – Checking the oil level
Oil, spare parts,
tools
– Press with connected hose (from the toolbox).
Prerequisites – The engine must be switched off and secured against unauthorised use;
à p. 2 - 3.
– Immediately before the inspection, the truck crane must be completely
lowered and returned to
on-road level; Ã Operating Instructions.
• Check whether oil is visible in the centre 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).
s
Oil
in litres (gal)
Designation GROVE part no.
for each suspension
strut:
1.5 (0.4)
Gear oil Rivolta S.K.D. 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. Even so, do not fill oil through the sight glass
connections. If you do this, the oil will not reach all the lubricating points.
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