Maintenance work on the superstructure
8.6 Hydraulic system
07.12.2017
Maintenance manual 3 302 649 en 8 - 31
GMK4090
8.6 Hydraulic system
8.6.1 Check the oil level
Prerequisites – The truck crane must be level and in on-road mode; à Operating manual.
– The telescoping cylinder must be locked in telescopic section I;
à Operating manual.
– The truck crane must be standing on a level surface.
– The engine is not running and is secured against unauthorised use;
à p. 2 - 3.
Check the oil level
• Check whether oil is visible in the middle of
the sight glass (1).
If the oil level is too low
• Top up with oil; à p. 8 - 43.
O
Risk of environmental damage due to leaking consumables
Always let consumables drain into suitable receptacles. Wipe up any con-
sumables that escape.
Store/dispose of consumables and any soaked equipment properly.
Ask about the applicable regulations.
S
Risk of damage to the hydraulic system
Cleanliness is imperative when handling hydraulic oil.
Even fresh hydraulic oil must be filtered before it is added to the tank.
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