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The machine must be warmed up until the operating fluids have
reached the required temperatures. Additional warm-up time may
be required at ambient temperatures below 0 °C (32 °F). If the
hydraulic system is still slow to respond after the warm-up period,
work for an additional 15 minutes at reduced speed.
1.
Read out the
“coolant temperature”
indicator on the
SENCON.
2.
Read out the
“hydraulic oil temperature”
indicator on the
SENCON.
3.
Allow the engine to run at idle for 3 minutes after starting.
4.
Gradually increase the diesel engine speed up to the nominal
speed without load.
5.
Continue warming up the engine until the following tempera-
ture values are displayed on the SENCON:
n
Hydraulic oil: 40° C (104° F)
n
Coolant: 35 °C (95 °F)
ð
The machine can be operated at full engine speed.
Grey
Orange
Red
The coolant temperature is
in the permissible range.
The coolant temperature is
about to exceed the per-
missible range.
The coolant temperature is
too high.
Grey
Orange
Red
The hydraulic oil tempera-
ture is below 80 °C.
The hydraulic oil tempera-
ture is between 80 °C and
85 °C.
The hydraulic oil tempera-
ture is above 85 °C.
7.8 Checking functions
1.
Check that the safety equipment is complete and properly
mounted.
Protective devices include engine hatches, doors, protective
gratings, cladding, fire extinguishers and first-aid kits.
2.
Check the emergency stop switch for functionality.
3.
Check the LML traffic light for functionality.
4.
Check the horn for functionality.
5.
Start all lifting limit switches and check for shutdown.
Coolant temperature
Hydraulic oil temperature
Operation
27.04.2020
140.5.204 Telescopic crane
439
Fo
r
Reference
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Содержание 140.5.204
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