Maintenance work on the superstructure
8.7 Main boom
8 - 54 3 302 744 en Maintenance manual
GMK5250L
09.03.2018
Before checking
• Telescope the telescopic section I to 56%
and mechanically lock the telescopic section
I in the basic section; Ã Operating manual.
• Pull the telescoping cylinder back;
à Operating manual.
• Switch the engine off and secure against
unauthorised use of the truck crane.
• Secure yourself to prevent yourself from
falling.
• Remove the cover (1) – the pressure
accumulator is present on the telescoping
cylinder (2).
Checking • Have pressure testing performed; à p. 8 - 53.
After checking
• Secure yourself to prevent yourself from
falling.
• Fasten the cover (1).
• Start the engine.
• Retract the telescopic section I to 0% and
mechanically lock the telescopic section
I in
the basic section;
à Operating manual.
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