New Holland CX720 Operator's Manual page 383

Crankcase breathing system (Iveco engine)
Replace the closed crankcase filter every 1500
operating hours or if sight glass 8 shows a red pin
(see fig. 54)
To replace, proceed as follows:
1. Remove clamps 1 to remove cover 2.
2. Remove the filter element and the safety
element.
3. Loosen the two hose clamps of the hose to
disconnect the filter housing from the air channel
in the grain tank.
4. Loosen two bolts 3 to remove filter housing 4.
5. Remove nine bolts 5 to remove cover 6 of the
crankcase filter.
6. Replace crankcase filter 7.
4–18
SECTION 4 – LUBRICATION AND MAINTENANCE
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54
55