EKKO EB12E-119 - Oil hydraulic circuit; Hydraulic oil inspection

16
B. Oil hydraulic circuit
C. Hydraulic oil inspection
Exterior
Smell
Condition
Result
Clear and no color
Good
Good
Can be used
Transparent
Good
Mixed with other oil
Check the viscosity. You
can use it
If qualified
Color changed like milk
Good
Mixed with air and
water
Separate water or replace
New hydraulic oil
Color becomes dark brown
Not
good
Oxidation
Replace New hydraulic oil
Color is clear but with small
black spots
Good
Mixed with other
particles
Use after filtering
Lifting cylinder
Lowering valve
Hydraulic power unit
(Motor or oil pump)
Oil tank
Throttle valve
Pressure controller
valve