2584153 - 1004d10 power unit (manual gearbox), removed, remove and re-build

Removing ( Refitting ) 1. Release the alternator supply lead (1b) from the retaining clips (1a).2. Using the special tool, loosen the band (2a) and disconnect the intake manifold air supply hose (2b) from the rigid pipe.

NameCountry
2aPliers1.881.138.000
3. Release the electrical wiring and the engine cooling system pipe from the retaining clips.4. Undo the fixing nuts (4a) on the gearbox casing and remove the rigid air supply pipe (4b) from the heat exchanger to the intake manifold from the power unit.
Undo the plug and drain the gearbox-differential oil.
Collect the gearbox-differential oil in a suitable container.
1. Undo the bolts (1a) and remove the intermediate drive shaft (1b).2. Remove the dust excluder.
If the engine is being separated from the gearbox for subsequent overhauling, prepare the engine as a precaution following the instructions given below.
1. Remove the plug (1a) and, in its place, fit the tool (1b) on the exhaust side camshaft.
Fit the tool positioning it with the references in a horizontal direction and checking that it is correctly inserted in the housing in the camshaft.

NameCountry
1bTemplate1.871.000.900
2. Fit a suitable (8 mm diameter) pin via the special opening in the gearbox, then remove it.
Check that the pin is correctly inserted in the housing in the engine flywheel.
Support the manual gearbox and differential appropriately.1. Undo the bolts (1a) and the nut (1b), then separate the manual gearbox and differential (1c) from the engine.
1. Fit the flywheel lock.

NameCountry
1Counter-torque1.860.846.000
2. Undo the bolts (2a) and remove the clutch cover (2b).3. Remove the clutch disc.
Refitting ( Removing ) 1. Place the clutch disc (1a) and the clutch cage (1b) back in its housing using the centring tool (1c).

NameCountry
1cClutch centering1.870.447.000
2. Tighten the bolts fixing the clutch cover to the recommended torque.

FasteningComponentØValue(daNm)
2BoltCLUTCH ASSEMBLYM8(Engine flywheel side) 2.5 ÷ 3.1
Remove the clutch disc and clutch cage centring tool.

NameCountry
-Clutch centering1.870.447.000
3. Remove the flywheel lock.

NameCountry
3Counter-torque1.860.846.000
1. Connect the manual gearbox and differential (1a) to the engine and secure it tightening the bolts (1b) and (1c) and the nut (1d) to the recommended torque.

FasteningComponentØValue(daNm)
1bBoltMANUAL GEARBOXM10(Gearbox/engine bracket side) 5.0 ÷ 6.1

FasteningComponentØValue(daNm)
1cBoltMANUAL GEARBOXM12(Crankcase side) 7.2 ÷ 8.8

FasteningComponentØValue(daNm)
1dNutMANUAL GEARBOXM12(Crankcase side) 7.2 ÷ 8.8
1. Place the intermediate driveshaft (1a) complete with dust cover (1b) back in its housing.2. Tighten the fixing bolts to the recommended torque.

FasteningComponentØValue(daNm)
2----
Tighten the transmission fluid drain plug to the recommended torque.

FasteningComponentØValue(daNm)
-Drain plugGEAR CASING PADSM22(Differential side) 3.7 ÷ 5.5
Place the air supply pipe from the heat exchanger to the intake manifold in its housing, then tighten the band and the nuts.Fasten the electrical cable to the band.Carry out    Op. 0010T40 CHANGE MANUAL GEARBOX OIL