17
2.3 LUBRICATION
Hydraulic oil
Hydraulic oil must have anti-wear qualities at least. It is not advisable to mix oils of
different brands or types, as the may not contain the same required additives or be of
comparable viscosities.
Name: Thickened hydraulic oil.
ISO Viscosity Grade
#40
#30
Characteristics
unit
Viscosity
At 40
O
mm
C
2
57
/s
48
At 50
O
40
C
30
Viscosity index
≥
150
≥
150
Flash point, Cleveland open cup
O
≥
160
C
≥
160
Pour point, Max
O
≤
-35
C
≤
-35
Density at 15
O
kg/m
C
3
861.5
Copper corrosion(100
O
degree
C, 3h)
≤
1
≤
1
Foaming (93.5
O
ml / ml
C)
≤
30/0
≤
30/0
Vickers vane pump test, loss of mass (on vanes after 100h)
mg
≤
100
15.3
Diameter of wear spot, 1200 r/min, 294N, 30min, 75
O
mm
C
≤
0.5
≤
0.5
The oil for gear box
Name: Extreme pressure lithium-based grease, 1#.
Characteristics
unit
Worked Penetration, 0.1mm
310--340
Dropping point,
O
≥170
C
Extreme pressure (Timken OK)
N
≥177
Similar viscosity (-10
O
C, 10s
-1
P
a.
s
)
≤250
Corrosion preventive properties (52
O
Grade
C
, 48h)
1
Wire points oil (100
O
%
C, 24h)
≤
10
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