Manitowoc Grove GMK 4100L-1 User Manual

Maintenance work on the superstructure
8.6 Hydraulic system
25.11.2016
Maintenance manual 3 302 364 en 8 - 37
GMK 4100L-1
8.6.7 Pressure accumulator – checking the gas pressure
The superstructure is equipped with pressure
accumulators.
The filling pressure at 20 °C (68 °F) is:
• Have the filling pressure checked and if
necessary corrected by
Manitowoc Crane Care or an authorised
GROVE dealer.
8.6.8 Taking oil samples
The oil sample from the superstructure hydraulic system is taken in a way
similar to that for the carrier hydraulic system.
Information for taking samples with the hose and for the laboratory
analys
is;
à Taking oil samples, p. 7 - 102.
Prerequisites – The engine must be switched off and secured against unauthorised use;
à p. 2 - 3.
Select the
sampling location
To determine the u
sability of the oil, you must take a sample from the
hydraulic system. To do that you must connect the hose with the connecting
piece to a gauge port.
s
M 12
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.
1Pressure
accumulator
10 bar (145 psi)
2Pressure
accumulator
20 bar (290 psi)
3Pressure
accumulator
180 bar (2610 psi)
M 12

Manitowoc Grove GMK 4100L-1 Specifications

General

Brand	Manitowoc
Model	Grove GMK 4100L-1
Category	Construction Equipment
Language	English