SANY SCC1000C - Replacing Hydraulic Oil; Hydraulic Oil Replacement Interval; Drain Water from Hydraulic Oil Tank

- 145/250 -
Section 1 Maintenance
SCC1000C Crawler Crane — Maintenance Manual
10�3�2 Replacing Hydraulic Oil
-- If any abnormality is found in the hydraulic oil,
replace the hydraulic oil no matter how long the
machine has been operated. If the hydraulic oil is
polluted or deteriorated for a short time, nd out
the causes rst and then replace the oil.
-- If hydraulic oil volume is found insufcient during
maintenance and repairing, it is required to rell
to the amount marked by the sight glass. The
refilled oil should be of the same designation
with the original oil in the oil tank.
-- Pay attention to environment protection when
dealing with hydraulic oil.
When replacing hydraulic oil, the crane should be
parked on level ground and the hydraulic oil is at
working temperature.
1. Discharge hydraulic oil into proper container
through oil outlet at bottom of the oil tank.
2. Clean the hydraulic oil tank and seal the oil
outlet.
3. Remove the screw and the upper cap of air lter,
fill fresh hydraulic oil through filter mesh to the
mark line on sight glass.
CAUTION
-- When all outrigger cylinders are extended
out, the oil should also be filled above
the lowest line mark (minimum oil level),
otherwise, the hydraulic pump may be
damaged�
-- It is required to use the designated hydraulic
oil� Prevent dust and sand from entering the
oil tank. Wash clean the oil tank and lter. If
hydraulic oil replaced is different from the
original type, the oil tank must be cleaned
thoroughly and hydraulic oil inside the
pipeline and hydraulic components should
be completely replaced�
10.3.4 Drain Water from Hydraulic Oil Tank
As influenced by the circumstance, water may
enter the hydraulic oil. So it is required to discharge
water from the oil tank regularly to prevent the
hydraulic oil from deteriorating and emulsification
so as to affect normal work of the system.
It is required that water should be discharged
monthly, while for area with high humidity, weekly.
The specic method is as below, park the machine
on a level position to stop for 24 hours. Open the
ball valve on the oil tank to discharge about 4L
(1.06gal) oil each time. If there is a large amount of
water it is recommended to discharge more. Then
rell hydraulic oil to proper level.
10�3�3 Hydraulic Oil Replacement Interval
-- In a new machine the oil should be replaced after
1000 hours or after half a year, after that, it shall
be replaced after every 2000 hours or annually.
-- Volume of hydraulic oil: The hydraulic oil tank
can be lled with 275L(72.7gal) hydraulic oil and
the entire machine uses 365L(96.4gal) oil.
https://cranemanuals.com