FIAT / DUCATO 244eLearn workshop manual · English · Offline edition
Procedures

1020F20 AUXILIARY UNIT, REMOVED - DISMANTLING AND REASSEMBLY

Engines: 2.8 JTD 8V
Engines: 2.8 JTD 8V

RemovingManual illustration 20

RefittingManual illustration 21
- Place the head on the workbench.1. Fit the tool (1a) on the auxiliary unit (1b) and fasten it using the bolts (1c).
[symbol: attrezzi 08.jpg]DescriptionCodeFunction
-Support1.860.635.000Auxiliary shaft assembly support
Manual illustration 244005664
Engines: 2.8 JTD 8V
- Place the tool in the vice.1. Undo the centre fixing bolt (1a) and remove the heat exchanger/oil filter assembly (1b) complete with gasket (1c).
Manual illustration 244005665
Engines: 2.8 JTD 8V
1. Undo the fixing bolts (1a) and remove the vacuum unit (1b) and the gasket (1c).2. Undo the fixing nuts (2a) and remove the pressure pump (2b).3. Undo the fixing bolts (3a) and remove the cover (3b).
Manual illustration 244005666
Engines: 2.8 JTD 8V
1. Fit the tool.
[symbol: attrezzi 09.jpg]DescriptionCodeFunction
1Counter-torque1.860.765.001Loosen/tighten auxiliary shaft toothed drive pulley bolt
2. Undo the fixing bolts (2a) and remove the driven timing pulley (2b).3. Undo the fixing bolts (3a) and remove the front cover (3b).4. Release the main gear.
Manual illustration 244005668
Engines: 2.8 JTD 8V
1. Undo the fixing bolts (1a) and remove the cover (1b).
Manual illustration 244005669
Engines: 2.8 JTD 8V
1. Release the oil pump driven gear.2. Remove the gear (2a) from the drive gear shaft (2b) for the oil pump using a hydraulic press (2c).
Manual illustration 244005670
Engines: 2.8 JTD 8V
1. Undo the oil pressure relief valve cap.2. Release the spring (2a), the piston (2b) and the cylinder (2c).
Manual illustration 244005671
Engines: 2.8 JTD 8V

RefittingManual illustration 21

RemovingManual illustration 20
- Using a torque wrench, check that the specifications of the oil pressure relief valve spring correspond to the recommended figures; if this it not the case, replace it.
[symbol: misure 01.jpg]SubjectValue
-Length39 mm
-Under a load of10.5 +- 0.4 daNm
[symbol: misure 02.jpg]SubjectValue
-Length32 mm
-Under a load of14.5 +-0.6 daNm
- Fit the spring, the piston and the cylinder for the oil pressure relief valve.- Tighten the cap to the recommended torque.
[symbol: coppie 03.jpg]Value - daNmFasteningComponentØ  
-6,5Plug-M24
1. Fit the gear (1a) on the drive gear shaft (2b) for the oil pump using a hydraulic press (1c).
Manual illustration 244005675
Engines: 2.8 JTD 8V
1. Fit the tool.
[symbol: attrezzi 10.jpg]DescriptionCodeFunction
1Counter-torque1.860.637.000Oil pump drive gear fitting check
Engines: 2.8 JTD 8V
1. Fit the tool.
[symbol: attrezzi 15.jpg]DescriptionCodeFunction
1Counter-torque1.860.637.000Oil pump drive gear fitting check
2. Using the tool (2a), tighten the oil pump drive gear (2b) to the recommended torque to check that it is correctly fitted on the shaft.
[symbol: attrezzi 16.jpg]DescriptionCodeFunction
2bCounter-torque1.860.636.000Oil pump drive gear fitting check
[symbol: coppie 11.jpg]Value - daNmFasteningComponentØ  
2b11,3-oil pump drive gear-
Manual illustration 244005680
Engines: 2.8 JTD 8V
- Fit the oil pump driven gear.1. Check that the axial clearance between the gears and the pump casing plane is within the recommended limits.
[symbol: misure 05.jpg]SubjectValue
1End float0.055 -0.099 mm
Manual illustration 244005682
Engines: 2.8 JTD 8V
1. Check that the radial clearance between the gears and the pump casing is within the recommended limits.
[symbol: misure 06.jpg]SubjectValue
1Radial clearance0.030 -0.085 mm
Manual illustration 244005684
Engines: 2.8 JTD 8V
1. Using the tool (1a), fit the oil seal (1b) on the front cover.2. Fit the main gear.3. Fit the cover gasket.4. Fit the cover (4a) and tighten the fixing bolts (4b) to the recommended torque.
[symbol: attrezzi 17.jpg]DescriptionCodeFunction
1aFitting tool1.860.627.000Fit oil seal
[symbol: coppie 12.jpg]Value - daNmFasteningComponentØ  
4b2,3Bolt-M8
Manual illustration 244005687
Engines: 2.8 JTD 8V
- Apply the sealant.
[symbol: prodotti 01.jpg]DescriptionQty.ComponentTypeClassification
----Silicone sealantDow Corning 7091
- Fit the oil pump cover and tighten the fixing bolts to the recommended torque.
[symbol: coppie 13.jpg]Value - daNmFasteningComponentØ  
-1,8Bolt-M8
- Fit the pressure pump and tighten the fixing nuts to the recommended torque.
[symbol: coppie 14.jpg]Value - daNmFasteningComponentØ  
-2,5Nut-M8
- Fit the side cover and tighten the fixing bolts to the recommended torque.
[symbol: coppie 15.jpg]Value - daNmFasteningComponentØ  
-1,8Bolt-M8
1. Fit the gasket.2. Fit the vacuum unit (2a) and tighten the fixing bolts (2b) to the recommended torque.
[symbol: coppie 16.jpg]Value - daNmFasteningComponentØ  
-1,8Bolt-M8
Manual illustration 244005693
Engines: 2.8 JTD 8V
- Fit the tool
[symbol: attrezzi 18.jpg]DescriptionCodeFunction
1Counter-torque1.860.765.000Loosen/tighten auxiliary shaft toothed drive pulley bolt
- Fit the toothed driven pulley and tighten the fixing bolts to the recommended torque.
[symbol: coppie 17.jpg]Value - daNmFasteningComponentØ  
-2,5Bolt-M8
- Remove the tool.
[symbol: attrezzi 19.jpg]DescriptionCodeFunction
-Counter-torque1.860.765.001Loosen/tighten auxiliary shaft toothed drive pulley bolt
- Remove the auxiliary unit from the vice.- Remove the support tool from the auxiliary unit.
[symbol: attrezzi 20.jpg]DescriptionCodeFunction
-Support1.860.635.001Auxiliary units support