Terex Evoquip Bison 120, Operation Manual

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Maintenance 9
Operations Manual
Bison 120
20-07-2018
Page 9-21
Revision 2.0
Figure 9.12 - Tank Filter
8. Remove the Filter Cartridge (Item 2) and replace with new one of same specification.
9. Replace the upper cover of the filter (Item 3) and secure with the cover screws (Item 1).
(d) Changing Hydraulic Oil
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DANGER
Switch off the machine and implement the lockout and tag out procedure. Relieve all hydraulic
pressure before working at a machine.
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WARNING
Injection Hazard.
Fluid escaping under pressure can penetrate skin and result in death or serious injury.
Relieve pressure before disconnecting hydraulic lines.
Stay clear of leaks and pin holes. Use a piece of cardboard or wood to search for leaks. Do not
use hand.
Fluid injected into the skin must be surgically removed within a few hours by a doctor familiar with
this type of injury, or gangrene will result.
NOTICE
It is recommended that the machines hydraulic oil is warm. This will enable the oil to flow more
easily. A hydraulic oil temperature of 10 ºC (50 ºF) is sufficient to carry out this task.
PROCEDURE
1. Observe all safety warnings.
2. Return all hydraulic cylinders to their closed position to return as much hydraulic oil back to
the tank as possible.
3. Shut down the machine and implement the lockout and tag out procedure.
4. Locate the drain plug at the base of the tank.
5. Remove the drain plug and connect a suitable hose to transfer the oil to an external container.