New Holland CX720 Repair Manual page 1616

13. Loosen and remove the hose clamp (1) securing the
ventilation tube (2) to the engine. Remove the venti-
lation tube from the engine.
14. Loosen the adjusting nut (1) to release the tension
on the idler pulley (2) Remove the two fan belts (3).
15. Loosen the hose clamps (1) and disconnect the over-
flow hoses (2) from the coolant tank (3).
Loosen the hose clamp (4) and disconnect the main
coolant supply hose (5) from the coolant tank (3).
POWER PRODUCTION - ENGINE
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