Hydraulic System, Warming Up - Volvo EC60E Operator's Manual

Operating instructions
152

Hydraulic system, warming up

Hydraulic system, warming up
The oil in machine's hydraulic system is used for
operating the hydraulic cylinders of the equipment
as well as the hydraulic motors for travelling and
swinging. When the oil is cold it is viscous.
Therefore the machine's hydraulic functions
operate slower than when the oil is warm.
Malfunctions may result if one or more of the
machine functions are forced against end-position
without first having warmed up the system.
NOTE!
Operate the machine functions (travel, swing, and
attachments) very slowly and carefully.
WARNING
Risk of crushing injury.
The hydraulic system could respond slowly at low
temperatures and could cause unexpected
machine movements.
Operate carefully until the hydraulic system has
reached operating temperature.
NOTICE
Do not rush warming of the oil, since forced
warming can damage the machine.
WARNING
Risk of crushing.
Sudden movement of attachments may cause
serious injury or death to personnel near the
machine.
Quick-acting controls operate the optional
attachments. Operate the controls carefully.