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Section 1 Maintenance
SCC1000C Crawler Crane — Maintenance Manual
10
Hydraulic System
10�1 Hydraulic Oil Tank
Burning hazard�
Pay special attention to the hydraulic
components under the engine cover,
which may have heat danger�
Ensure sufficient cooling time, or wear
protective clothing�
10�1�1 Hydraulic Oil Tank - Checking the Oil
Level
Before starting the engine, check the oil volume
in the hydraulic oil tank. If the oil in the tank is
found decreasing too fast, it means there is a
leak in the pipeline or hydraulic components.
The pipeline connections should be tightened
or hydraulic components should be replaced. If
the hydraulic oil temperature is too low (below
20°C (68ºF)) and oil has poor liquidity, operating
in a rush at this time might lead to damage of
the hydraulic components. If the temperature is
too high (above 80°C(176ºF)), the deterioration
speed of hydraulic oil will accelerate and service
life of the hydraulic components will ultimately be
shortened. Therefore, after the engine starts in a
low temperature environment, perform sufficient
warm-up operation to make the oil temperature
reach around 20°C (68ºF).
Hydraulic Oil Tank
2345
6
7
8
910
11
1
Oil
temperature
sensor
Platform
Serial No� Name
1 Cleaning port cap
2 Air lter
3 Screw
4 Oil return lter
5 Shim
6 Screw
7
Liquid level & liquid temperature
gauge
8 Oil return pipe
9 Pipe connector
10 Main oil suction pipe
11 Oil tank body
T103 9001
CAUTION
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