Manitowoc Grove GMK 4100L-1 - Page 6

24.04.2017
4 3 302 584 en Additional pages for maintenance manual
GMK 4100L-1
Extending
• Telescope the telescopic section I to 50% and
mechanically lock the telescopic section
I in
the basic section;
à Operating manual.
• Pull out the telescoping cylinder (4) towards
the rear;
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 lid (1) – the pressure accumula-
tor (2) and head (3) of the telescoping cylin-
der (4) are now accessible.
Checking the
pressure
accumulator
The pressure accumulator (1) is located on the
telescoping cylinder.
Filling pressure at 20 °C (68 °F) – 10 bar
(145 psi).
Tolerances:
• Have the filling pressure checked and if
necessary corrected by Manitowoc Crane
Care or an authorised GROVE dealer.
G
Risk of accidents due to incorrect inspection!
The gas pressure test must be carried out only by an authorised official
inspector of pressure tanks or under his/her supervision or instructions.
Maximum value: 10 bar (145 psi)
Minimum value: 9 bar (131 psi)