Case 580ST, Operator'S Manual

Page: 296 / 434

7 - MAINTENANCE
Engine - breather filter replacement
WARNING
Burn hazard!
The engine and exhaust system become hot during operation. To prevent burns, open the engine
compartment and allow the components to cool to a comfortable touch temperature before you work
inside the engine compartment.
Failure to comply could result in death or serious injury.
W1406A
1. Loosen the ventilation pipe retaining clamp.
2. Loosen the ventilation pipe from the valve rocker cover.
3. Loosen the fastening nuts and remove the cover from
the valve.
4. Remove the fitting of the breather pipe by turning it a
1/4 of a turn counter-clockwise and extracting it from
the valve cover.
5. Remove the plug (1) to release the filter assembly from
the inside of the valve cover.
NOTE: If oil stains clearly appear around the pressure reg-
ulator (2) , it is necessary to replace the breather filter.
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6. Remove the screws (3) from the pressure regulator (2) .
Extract both the regulator and the filter (4) from the
valve cover.
7. Carefully clean the valve cover before inserting the new
regulator, the new filter, and the new breather pipe.
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8. Secure the regulator with screws. Tighten to a torque
of 5 N·m ( 3.7 lb ft ).
9. Install a new seal and position the valve cover on the
engine. Secure the position with the fastening nuts.
Tighten to a torque of
25 N·m ( 18.4 lb ft ).
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