New Holland T4.90 Tier 4B Service Manual page 26

10. Loosen the union of the radiator coolant return line of
the cab heater. Drain and collect the engine coolant.
11. Place a suitable container under the drain plug (1) for
the gearbox-transmission oil. Loosen the plug. Drain
the oil.
12. Loosen the fixing clamp (1) on the Diesel Oxida-
tion Catalyst (DOC). Disconnect the drain tube (2).
Remove the drain and remove the catalyst from
the Selective Catalytic Reduction (SCR) system, as
described in Selective Catalytic Reduction (SCR)
muffler and catalyst - Remove (10.500).
13. Loosen the fixing clamps (1). Extract the tubing from
the turbine to the radiator intercooler (2). Perform the
same operation for the tubing from the radiator inter-
cooler to the engine (3).
Engine - Engine and crankcase
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WLAPL4S10C116A
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MOIL13TR00197AA
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MOIL14TR00607AA
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WLAPL4S10C119A