This repair manual provides specifications and removal instructions for completely removing an engine from tractors models ARION 460-430 and ARION 420-410. Key steps include draining fluids, removing components around the engine like exhaust parts and front loader brackets, and then disconnecting wiring harnesses and hoses to separate the engine from the tractor. Special tools are required to assist with tasks like uncoupling the engine carriage. Safety warnings are also provided regarding the handling of heavy components during removal.

1. ARION 460-410
Repair manual
Original repair manual
1/1Couverture RHB ARION 460-410 (A53-A52)
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2. Validity of this repair manual
This repair manual applies to the following tractors:
Description Type
Tractor serial number
From to
ARION 460-430
A52
A5300000 —
ARION 420-410 A5200000 —
1/1Validité de ce manuel de réparation
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3. Complete engine
Technical specifications
Number Value Note – Description
1 580 kg Complete engine
For unspecified tightening torques, refer to the section entitled: "Tightening torques".
WARNING
Lifting heavy components.
Risk of death or serious injury.
► Use certified slings or chains in perfect working order.
► Use a certified hoist in perfect working order.
► Use a certified jack or stand which can support the load.
► Use the jack or stand on a flat, horizontal, sufficiently firm surface.
► Place the jack or stand in a suitable location.
NOTICE
Lubricants and fuels end up in the environment.
Environmental pollution
► Collect and store lubricants and fuels in suitable containers and dispose of them properly.
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4. Special tool
Special tool – Reference no.
Carriage to be uncoupled
No. 00 1148 105 0
Special tool – Reference no.
Extension
No. 00 1148 106 0
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5. Special tool – Reference no.
1
Engine lifting brackets kit
No. 00 1152 870 0
Component parts of the NEF 4 kit
2
Bracket at the front of the engine
No. 1149 878 1/3
3
Bracket at the right-hand side of the engine
No. 1149 878 1/2D
4
Bracket at the left-hand side of the engine
No. 1149 878 1/2G
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6. Special tool – Reference no.
Flywheel rotating tool
No. 00 1150 142 0
Removal
► Disconnect the battery.
► Remove the two front wheels.
► Remove the two front wings (optional).
► Remove the engine bonnet (1).
Engine bonnet
► Remove the left-hand side cover (2).
► Drain the engine.
► Drain the A/C circuit.
Air conditioning – General informationFunction:12 Cab – Driving position
► Drain the cooling circuit.
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7. ► Drain the pneumatic brake circuit (optional).
► Drain the braking circuit.
► Decompress the suspended front axle circuit (optional).
► Remove the rear left-hand wheel.
► Remove the protective panels (1) and (2).
► Remove the main tank.
Main tank
► Disconnect the unions (1).
► Remove the pressure controller from the trailer air brake (2) and its support.
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8. ► If fitted, remove the bracket and side member (1) from the loader frame on the left-hand side using a suitable
lifting tool.
The left-hand bracket and left-hand side member assembly weighs 140 kg.
► Remove the exhaust booster (1).
► Remove the protective panels (2), (3) and (4).
► Remove the bolts (1) and the panel (2).
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9. ► Undo and remove the bolts (1).
► Remove the panel (2).
► Disconnect the connector (1) from the NOx output module.
► Undo and remove the bolts (2).
► Move the NOx output module (3) towards the “SCR” and “CUC” catalytic converters.
► Disconnect the connectors (1).
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10. ► Undo and remove the nuts (2) from the exhaust tube.
► Discard the seal (3).
► Disconnect and plug the connectors (1).
► Remove the hoses from the "SCR" catalytic converter support.
► Sling and remove the "SCR" catalytic converter assembly and its support and the booster foot using a
suitable lifting tool.
The assembly weighs 75 kg. Handle the assembly with care to avoid damaging the catalytic
converter.
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11. ► If fitted, disconnect and detach the connector (1) used to control the front loader.
► If fitted, remove the bolt (1) mounting the pipe support to the front loader.
► If equipped with a front loader:
► – Close the accumulator valve (1).
► – Disconnect and plug the connector (2).
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12. ► – Remove the bolts (3) and place the "MACH SYSTEM" on the ground, leaving the hydraulic pipes
connected.
► If fitted, remove the bracket, side member and cross member (1) from the loader frame on the right-hand
side using a suitable lifting tool.
The right-hand bracket, right-hand side member and cross member assembly weighs 155 kg.
CAUTION
AdBlue ®
is slightly corrosive.
Risk of injury.
► Avoid contact with AdBlue ®
.
► Wear gloves and protective goggles when handling AdBlue ®
.
► In case of contact with the eyes or skin, rinse thoroughly in fresh water without rubbing .
► Disconnect the connector (1).
► Disconnect the urea injector supply pipe (2).
► Disconnect the coolant hoses (3).
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13. ► Remove the clamp (4).
► Remove the exhaust tube (5).
► Remove the protective panel from the electric starting motor.
► Disconnect the electric wiring harnesses from the electric starting motor (1).
► Remove the mounting bolts from the electric starting motor (2).
► Remove the electric starting motor (3).
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14. ► Remove the protective grilles (1).
► Loosen the clamp (2) and disconnect the hose.
► Unscrew the fan (3).
Note the direction of loosening of the nut, as this nut has a left-handed thread.
► Remove the mounting bolts from the radiator nozzle (4).
► Detach the coolant tank overflow pipe (5).
► Remove the bolts (6) and remove the tube and the hose (7) from the nozzle.
► Simultaneously remove the fan (3) and the nozzle (4) from the right-hand side of the engine.
► Remove the bolts (1) of the front power take-off drive flange (optional).
Turn the engine with the special flywheel rotating tool to access the bolts.
► Move aside the front power take-off shaft (2).
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15. ► Remove the turbocharger protective panel (1).
► Remove the clamp (2).
► Loosen the clamp (3) and disconnect the hose.
► Disconnect the connector (4).
► Disconnect the coolant heater (1).
► Remove the pipes (2).
► Remove the clamp (3).
► Loosen the clamps (4) and disconnect the hoses.
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17. ► Remove the pipes (1).
► Remove the support (1) from the hoses and wiring harness on the front chassis.
► Open all of the radiators.
► Remove the panels (1) and (2).
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18. ► Disconnect the connectors (1).
► Disconnect the connector (2).
► Detach and remove the electric wiring harness (3) from the front chassis and from the engine.
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