24 “Translation of the original instruction”
A-5
4.1.5Check the Hydraulic Oil Level
Keeping the hydraulic oil at the right oil level is
critical to the machine's work. If the hydraulic oil is
low or unsuitable, it will damage the hydraulic
system and parts. Through routine inspections,
the inspector can determine the change in the
hydraulic oil level, which can indicate a problem
with the hydraulic system.
Make sure that the arm is in the stowed position
and then visually inspect the oil level gauge on the
side of the hydraulic tank. Refuel as needed.
Result: The hydraulic oil level should be within 5
cm of the upper part of the oil level gauge.
A-6
4.1.6 Check the Hydraulic Oil Leak
Inspecting
hydraulic oil leaks is critical to safe
operation and to maintain good performance of the
machine. Hidden leaks can cause dangerous
conditions, reduce machine performance and
damage to machine parts.
The risk of physical injury.
Oil under pressure sprayed out of the hydraulic
system may penetrate and burn the skin.
1. Check whether there is any oil or oil residue on or
around the following parts:
ɑ Hydraulic tanks - filters, fittings, hoses, auxiliary
power units, filters
ɑhydraulic oil filter, fittings, hoses, pumps,
ɑ all the hydraulic cylinders
ɑ All hydraulic manifolds
ɑ scissor arms
ɑ underneath the drive chassis
ɑ ground area below the machine
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