Terex TW85, Operating Instructions Manual

Page: 95 / 125

Maintenance and care 7
TW85 89
7.9.7 Hydraulic oil tank
Checking hydraulic oil level
•
Check the hydraulic oil level using the sight
glass (74/1) and replenish hydraulic oil if
necessary.
The hydraulic cylinders of all work
attachments should be retracted as far
as possible.
Hydraulic oil change
Danger of scalding when hot oil is
drained!
•
Bring hydraulic oil up to operating temperature.
•
Retract all hydraulic cylinders.
•
Stop the engine.
•
Unscrew the breather (74/2).
•
Place suitable drip pans under the opening.
•
Screw the oil drain hose onto the oil-change
valve (74/5).
Collect the waste oil, do not allow it to
seep into the ground.
Dispose of according to regulations!
•
Flush and clean the hydraulic tank as required
(remove return filter 74/3)
•
Remove the oil drain hose and screw the
protective cap onto the valve (74/5).
•
Remove the return filter cover.
•
Fill with clean hydraulic oil up to the correct
level on the sight glass (74/1).
•
Re-mount the filter cover.
•
Screw back in the breather.
•
Check the tightness of filter and drain plug.
5
3
HM32-074
1
4 2
Fig. 74 Hydraulic oil tank
1 = Sight glass
2 = Breather
3 = Return filter
4 = Suction filter
5 = Drain