Maintenance work on the carrier
7.13 Hydraulic system
03.11.2017
Maintenance manual 3 302 574 en 7 - 97
GMK3060
Bleeding the
hydraulic system
If the steering is “loose” during the test drive, you must bleed the steering
cylinders of the hydraulic system.
Preparations – The truck crane must be raised on outriggers.
– The parking brake must be applied.
Bleed the steering cylinders individually,
one after the other.
• Start the engine.
• Bleed each steering cylinder (2) by loosen-
ing each of the collar nuts (1) in turn, until
the oil coming out no longer contains air
bubbles.
If the steering system is still not operating
properly
• Notify Manitowoc Crane Care or an author-
ised GROVE dealer or an authorised special-
ist workshop.
G
Risk of crushing from turning wheels!
When working between the wheels ensure that the steering wheel cannot
be turned by an unauthorised person. The wheels turn when the steering
wheel is operated.
G
Risk of accidents from high oil pressure!
Never undo the hose connections completely. The hydraulic system is
under pressure, even when the steering wheel is not turned.
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