MF6400 WSM 03 en PDF
MF6400 WSM 03 en PDF
MF6400 WSM 03 en PDF
03 - Engine
CONTENTS
CONTENTS
A . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
C . Main characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
A . Introduction
This section only provides general information about
Perkins engines used in the 6400 range.
Fuel quality
The fuel must comply with standard DIN EN 590 and
with the following specifications:
density (at 15°C): 0.82 to 0.84 Kg/dm3
viscosity (at 40°C): 2 to 4.5 mm2/sec
Cetane Index: min 51
sulphur content: max 0.005 p-%
water content: max 200 mg/kg
Oil quality
The oil used must comply with the API CH-4 standard.
Coolant quality
The coolant used must comply with the ASTM D 3306
standard. It must consist of pure water and
ethylene/propylene glycol type antifreeze in the
following proportions:
- 40–60% water
- 40–60% antifreeze
The ideal ratio is around 50% water to 50% antifreeze.
C . Main characteristics
Model 6445
Engine type Perkins 1104C-44T
Perkins engine list number RG 37832
Number of cylinders 4
Bore 105
Stroke 127
Cubic capacity 4.4
Compression ratio 18.2/1
Compression pressure (kPa) 2000/3500
Allowable compression deviation between cylinders (kPa) 350
Output at 2200 rpm (kw) ISO 90 (67)
Maximum torque (Nm) 380
at speed (rpm) 1400
Idle speed 950
Nominal speed 2200
Maximum speed at no load 2354
Injection pump
Brand and type Lucas Delphi DB210
Rotation Clockwise
Static timing angle (degrees) 4°
Engine position TDC
Engine check angle (degrees) Standard
Pump check angle (degrees) Standard
Firing order 1, 3, 4, 2
Injectors
Brand Bosch
Injector-port Bosch
New and servicing setting (bar) 275
Suction system Turbo + Waste Gate
Type Garrett GT25
Valve spring Single
Valve seat insert (inlet/exhaust) Yes
Valve angle 0.30°/0.30°
Inlet/exhaust valve tip clearance (mm) 0.20/0.45
Oil cooler Yes
Number of thermostats 1
Opening temperature (start/full) 83°C/93°C
Fan Viscostatic
Piston cooling nozzle Yes
Oil filter 1
Fuel filter 1
Model 6455
Engine type Perkins 1104C-44T
Perkins engine list number RG 37826
Number of cylinders 4
Bore 105
Stroke 127
Cubic capacity 4.4
Compression ratio 18.2/1
Compression pressure (kPa) 2000/3500
Allowable compression deviation between cylinders (kPa) 350
Output at 2200 rpm (kw) ISO 100 (74.5)
Maximum torque (Nm) 415
at speed (rpm) 1400
Idle speed 950
Nominal speed 2200
Maximum speed at no load 2354
Injection pump
Brand and type Lucas Delphi DB210
Rotation Clockwise
Static timing angle (degrees) 4°
Engine position TDC
Engine check angle (degrees) Standard
Pump check angle (degrees) Standard
Firing order 1, 3, 4, 2
Injectors
Brand Bosch
Injector-port Bosch
New and servicing setting (bar) 275
Suction system Turbo + Waste Gate
Type Garrett GT25
Valve spring Single
Valve seat insert (inlet/exhaust) Yes
Valve angle 0.30°/0.30°
Inlet/exhaust valve tip clearance (mm) 0.20/0.45
Oil cooler Yes
Number of thermostats 1
Opening temperature (start/full) 83°C/93°C
Fan Viscostatic
Piston cooling nozzle Yes
Oil filter 1
Fuel filter 1
Model 6460
Engine type Perkins 1104C-E44TA
Perkins engine list number 43942
Number of cylinders 4
Bore 105
Stroke 127
Cubic capacity 4.4
Compression ratio 18.2/1
Compression pressure (kPa) 2000/3500
Allowable compression deviation between cylinders (kPa) 350
Output at 2200 rpm (kw) ISO without power 112 (83.5)
boost
with power boost 120 (90)
Maximum torque (Nm) 471
at speed (rpm) 1400
Idle speed 950
Nominal speed 2200
Maximum speed at no load 2354
Injection pump
Brand and type Lucas Delphi DB210
Rotation Clockwise
Static timing angle (degrees) 4°
Engine position TDC
Engine check angle (degrees) Standard
Pump check angle (degrees) Standard
Firing order 1, 3, 4, 2
Injectors
Brand Bosch
Injector-port Bosch
New and servicing setting (bar) 275
Suction system Turbo + Waste Gate + Intercooler
air/air
Type Garrett GT25
Valve spring Single
Valve seat insert (inlet/exhaust) Yes
Valve angle 0.30°/0.30°
Inlet/exhaust valve tip clearance (mm) 0.20/0.45
Oil cooler Yes
Number of thermostats 1
Opening temperature (start/full) 83°C/93°C
Fan Viscostatic
Piston cooling nozzle Yes
Oil filter 1
Fuel filter 1
Model 6470
Engine type Perkins 1104C-E44TA
Perkins engine list number 43943
Number of cylinders 4
Bore 105
Stroke 127
Cubic capacity 4.4
Compression ratio 18.2/1
Compression pressure (kPa) 2000/3500
Allowable compression deviation between cylinders (kPa) 350
Output at 2200 rpm (kw) ISO without power 119 (89)
boost
with power boost 127 (95)
Maximum torque (Nm) 491
at speed (rpm) 1400
Idle speed 950
Nominal speed 2200
Maximum speed at no load 2354
Injection pump
Brand and type Lucas Delphi DB210
Rotation Clockwise
Static timing angle (degrees) 4°
Engine position TDC
Engine check angle (degrees) Standard
Pump check angle (degrees) Standard
Firing order 1, 3, 4, 2
Injectors
Brand Bosch
Injector-port Bosch
New and servicing setting (bar) 275
Suction system Turbo + Waste Gate + Intercooler
air/air
Type Garrett GT25
Valve spring Single
Valve seat insert (inlet/exhaust) Yes
Valve angle 0.30°/0.30°
Inlet/exhaust valve tip clearance (mm) 0.20/0.45
Oil cooler Yes
Number of thermostats 1
Opening temperature (start/full) 83°C/93°C
Fan Viscostatic
Piston cooling nozzle Yes
Oil filter 1
Fuel filter 1
Model 6465
Engine type Perkins 1106C-E60TA
Perkins engine list number VK 31483
Number of cylinders 6
Bore 100
Stroke 127
Cubic capacity 6
Compression ratio 17.25/1
Compression pressure (kPa) 2000/3500
Allowable compression deviation between cylinders (kPa) 350
Output at 2200 rpm (kw) ISO without power 117 (87)
boost
with power boost 126 (94)
Maximum torque (Nm) 500
at speed (rpm) 1400
Idle speed 950
Nominal speed 2200
Maximum speed at no load 2354
Injection pump
Brand and type Bosch VP 30
Rotation Clockwise
Static timing angle (degrees) 4°
Engine position TDC
Engine check angle (degrees) Standard
Pump check angle (degrees) Standard
Firing order 1, 5, 3, 6, 2, 4
Injectors
Brand Bosch
Injector-port Bosch
New and servicing setting (bar) 275
Suction system Turbocharger—air/air Intercooler
Type Garrett GT35
Valve spring Single
Valve seat insert (inlet/exhaust) Yes
Valve angle 0.46°/0.31°
Inlet/exhaust valve tip clearance (mm) 0.20/0.45
Oil cooler Yes
Number of thermostats 1
Opening temperature (start/full) 83°C/93°C
Fan Viscostatic/Vistronic
Piston cooling nozzle Yes
Oil filter 2
Fuel filter 1
Model 6475
Engine type Perkins 1106C-E60TA
Perkins engine list number VK 31484
Number of cylinders 6
Bore 100
Stroke 127
Cubic capacity 6
Compression ratio 17.25/1
Compression pressure (kPa) 2000/3500
Allowable compression deviation between cylinders (kPa) 350
Output at 2200 rpm (kw) ISO without power 132 (98.5)
boost
with power boost 142 (106)
Maximum torque (Nm) 565
at speed (rpm) 1400
Idle speed 950
Nominal speed 2200
Maximum speed at no load 2354
Injection pump
Brand and type Bosch VP 30
Rotation Clockwise
Static timing angle (degrees) 4°
Engine position TDC
Engine check angle (degrees) Standard
Pump check angle (degrees) Standard
Firing order 1, 5, 3, 6, 2, 4
Injectors
Brand Bosch
Injector-port Bosch
New and servicing setting (bar) 275
Suction system Turbocharger—air/air Intercooler
Type Garrett GT35
Valve spring Single
Valve seat insert (inlet/exhaust) Yes
Valve angle 0.46°/0.31°
Inlet/exhaust valve tip clearance (mm) 0.20/0.45
Oil cooler Yes
Number of thermostats 1
Opening temperature (start/full) 83°C/93°C
Fan Viscostatic/Vistronic
Piston cooling nozzle Yes
Oil filter 2
Fuel filter 1
Model 6480
Engine type Perkins 1106C-E60TA
Perkins engine list number VK 31485
Number of cylinders 6
Bore 100
Stroke 127
Cubic capacity 6
Compression ratio 17.25/1
Compression pressure (kPa) 2000/3500
Allowable compression deviation between cylinders (kPa) 350
Output at 2200 rpm (kw) ISO without power 142 (106)
boost
with power boost 153 (114)
Maximum torque (Nm) 590
at speed (rpm) 1400
Idle speed 950
Nominal speed 2200
Maximum speed at no load 2354
Injection pump
Brand and type Bosch VP 30
Rotation Clockwise
Static timing angle (degrees) 4°
Engine position TDC
Engine check angle (degrees) Standard
Pump check angle (degrees) Standard
Firing order 1, 5, 3, 6, 2, 4
Injectors
Brand Bosch
Injector-port Bosch
New and servicing setting (bar) 275
Suction system Turbocharger—air/air Intercooler
Type Garrett GT35
Valve spring Single
Valve seat insert (inlet/exhaust) Yes
Valve angle 0.46°/0.31°
Inlet/exhaust valve tip clearance (mm) 0.20/0.45
Oil cooler Yes
Number of thermostats 1
Opening temperature (start/full) 83°C/93°C
Fan Viscostatic/Vistronic
Piston cooling nozzle Yes
Oil filter 2
Fuel filter 1
CONTENTS
A . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
C . Main characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
A . Introduction
This section only provides general information about
Sisu engines used in the 6400 range.
Fuel quality:
The fuel must comply with standard DIN EN 590 and
with the following specifications:
Density (at 15°C): 0.82 to 0.84 Kg/dm3
Viscosity (at 40°C): 2 to 4.5 mm2/sec
Cetane Index: min 51
Sulphur content: max 0.005 p-%
Water content: max 200 mg/Kg
Oil quality:
The oil used must comply with the API CH-4 standard.
Coolant quality:
The coolant used must comply with the ASTM D 3306
standard. It must consist of pure water and
ethylene/propylene glycol type antifreeze in the
following proportions:
- 40–60% water
- 40–60% antifreeze
The ideal ratio is 50% water to 50% antifreeze.
C . Main characteristics
Model 6485
Engine type SISU 66 ETA
Number of cylinders 6
Bore 108
Stroke 120
Cubic Capacity 6.6
Compression ratio 17.25/1
Output at 2200 rpm (kw) ISO without power 152 (113)
boost
with power boost 161 (120)
Maximum torque (Nm) 650
at speed (rpm) 1400
Idle speed 950
Nominal speed 2200
Maximum speed at no load 2354
Injection pump
Brand and type Bosch VP 30
Rotation Clockwise
Static timing angle (degrees) 8°
Engine position TDC
Engine check angle (degrees) Standard
Pump check angle (degrees) Standard
Firing order 1, 5, 3, 6, 2, 4
Injectors
Brand Bosch
Injector-port Bosch
Nozzle five ports
New and servicing setting (bar) 278
Suction system Turbocharger—air/air Intercooler
Valve spring Single
Valve seat insert (inlet/exhaust) Yes
Inlet/exhaust valve tip clearance (mm) 0.35/0.35
Oil cooler Yes
Number of thermostats 1
Opening temperature (start/full) 79°C/83°C
Fan Viscostatic/Vistronic
Piston cooling nozzle Yes
Oil filter 1
Fuel filter 2
Model 6490
Engine type SISU 66 ETA
Number of cylinders 6
Bore 108
Stroke 120
Cubic capacity 6.6
Compression ratio 17.25/1
Output at 2200 rpm (kw) ISO without power 168 (125)
boost
with power boost 177 (132)
Maximum torque (Nm) 720
at speed (rpm) 1400
Idle speed 950
Nominal speed 2200
Maximum speed at no load 2354
Injection pump
Brand and type Bosch VP 30
Rotation Clockwise
Static timing angle (degrees) 8°
Engine position TDC
Engine check angle (degrees) Standard
Pump check angle (degrees) Standard
Firing order 1, 5, 3, 6, 2, 4
Injectors
Brand Bosch
Injector-port Bosch
Nozzle five ports
New and servicing setting (bar) 278
Suction system Turbocharger—air/air Intercooler
Valve spring Single
Valve seat insert (inlet/exhaust) Yes
Inlet/exhaust valve tip clearance (mm) 0.35/0.35
Oil cooler Yes
Number of thermostats 1
Opening temperature (start/full) 79°C/83°C
Fan Viscostatic/Vistronic
Piston cooling nozzle Yes
Oil filter 1
Fuel filter 2
Model 6495
Engine type SISU 66 ETA
Number of cylinders 6
Bore 108
Stroke 120
Cubic capacity 6.6
Compression ratio 17.25/1
Output at 2200 rpm (kw) ISO without power 184 (137)
boost
with power boost 192 (143)
Maximum torque (Nm) 780
at speed (rpm) 1400
Idle speed 950
Nominal speed 2200
Maximum speed at no load 2354
Injection pump
Brand and type Bosch VP 30
Rotation Clockwise
Static timing angle (degrees) 8°
Engine position TDC
Engine check angle (degrees) Standard
Pump check angle (degrees) Standard
Firing order 1, 5, 3, 6, 2, 4
Injectors
Brand Bosch
Injector-port Bosch
Nozzle five ports
New and servicing setting (bar) 278
Suction system Turbocharger—air/air Intercooler
Valve spring Single
Valve seat insert (inlet/exhaust) Yes
Inlet/exhaust valve tip clearance (mm) 0.35/0.35
Oil cooler Yes
Number of thermostats 1
Opening temperature (start/full) 79°C/83°C
Fan Viscostatic/Vistronic
Piston cooling nozzle Yes
Oil filter 1
Fuel filter 2
Model 6497
Engine type SISU 66 ETA
Number of cylinders 6
Bore 108
Stroke 120
Cubic capacity 6.6
Compression ratio 17.25/1
Output at 2200 rpm (kw) ISO without power 184 (137)
boost
with power boost 192 (143)
Maximum torque (Nm) 780
at speed (rpm) 1400
Idle speed 950
Nominal speed 2200
Maximum speed at no load 2354
Injection pump
Brand and type Bosch VP 30
Rotation Clockwise
Static timing angle (degrees) 8°
Engine position TDC
Engine check angle (degrees) Standard
Pump check angle (degrees) Standard
Firing order 1, 5, 3, 6, 2, 4
Injectors
Brand Bosch
Injector-port Bosch
Nozzle five ports
New and servicing setting (bar) 278
Suction system Turbocharger—air/air Intercooler
Valve spring Single
Valve seat insert (inlet/exhaust) Yes
Inlet/exhaust valve tip clearance (mm) 0.35/0.35
Oil cooler Yes
Number of thermostats 1
Opening temperature (start/full) 79°C/83°C
Fan Viscostatic/Vistronic
Piston cooling nozzle Yes
Oil filter 1
Fuel filter 2
Model 6499
Engine type SISU 74 ETA
Number of cylinders 6
Bore 108
Stroke 134
Cubic capacity 7.4
Compression ratio 17.5/1
Output at 2200 rpm (kw) ISO without power 200 (155)
boost
with power boost 220 (166)
Maximum torque (Nm) 864
at speed (rpm) 1400
Idle speed 950
Nominal speed 2200
Maximum speed at no load 2354
Injection pump
Brand and type Bosch VP44
Rotation Clockwise
Static timing angle (degrees) 8°
Engine position TDC
Engine check angle (degrees) Standard
Pump check angle (degrees) Standard
Firing order 1, 5, 3, 6, 2, 4
Injectors
Brand Bosch
Injector-port Bosch
Nozzle five ports
New and servicing setting (bar) 278
Suction system Turbocharger—air/air Intercooler
Valve spring Single
Valve seat insert (inlet/exhaust) Yes
Inlet/exhaust valve tip clearance (mm) 0.35/0.35
Oil cooler Yes
Number of thermostats 1
Opening temperature (start/full) 79°C/83°C
Fan Viscostatic/Vistronic
Piston cooling nozzle Yes
Oil filter 1
Fuel filter 2
CONTENTS
A . General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
D . Service tool. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
A . General
The spacer (1) (Fig. 1) is an important part of the
chassis. It links the engine and the gearbox but also
supports:
- the 4 WD shaft bearing (if fitted);
- the right- and left-hand cab supports
The top profile can support a 6-cylinder SISU engine.
At the front, a cover closes the gearbox housing.
Fig. 1
Fig. 3
Fig. 4
Assembly
8. Thoroughly clean any dirt from the point where the
seal meets the cover.
9. Lubricate the rim of the new seal (1) (Fig. 6).
10. Use an improvised fitting drift slightly smaller than
the outside diameter of the seal to fit the seal up
against the cover.
11. Grease the lip and rear cavity of the seal.
Fig. 6
Fig. 7
Final operations
21. Top up the oil level in the housings. Check it using
the sight glass located at the rear left-hand side of
the rear axle.
22. Assemble the tractor between the engine and the Fig. 8
gearbox (see chapter 2).
23. Check:
- tightness of the mating face,
- correct operation of the Power Shuttle.
Fig. 9
Fig. 10
35. Detach and split the spacer from the gearbox with
the help of an operator.
Fig. 12 Fig. 15
Fig. 13 Fig. 16
Fig. 14
Refitting
41. Refit the spacer with the help of an operator.
42. Fit washers (4).
43. Lightly smear the thread of the screws and nuts
(Fig. 17) with Loctite 270 or equivalent. Tighten
them in the following manner:
- collar screw (1) to a torque of 150 - 200 Nm;
- screws (2) and nuts (3) to a torque of
100 - 130 Nm.
NOTA: The union thread (1) and that of the diag-
nostic connector (2) are lightly smeared with
Loctite 542 or equivalent (Fig. 18).
44. Refit the pipes (Fig. 12).
45. If the spacer had to be replaced, check or even
redo the shimming of the PowerShuttle forward
clutch (see chapter 5).
46. Refit cover (4) (see § B).
Final operations
47. Refit:
- the left-hand cab support fitted to the spacer.
Tighten the screws to a torque of 200 - 260 Nm
(Loctite 270);
- the front fuel tank support. Tighten the screws to
a torque of 160 - 210 Nm (Loctite 270).
48. Refit: (Fig. 11):
- the union and low pressure 17 bar pipe (2)
- the flange and lubricating pipe (1).
49. Refit the cab support to the spacer. Tighten the
screws to a torque of 200 - 260 Nm (Loctite 270).
50. Fix the cab onto the front supports (see chapter
12).
51. If removed, refit the fuel tank.
52. Top up the oil level in the housings. Check it using
the sight glass located at the rear left-hand side of
the rear axle.
53. Assemble the tractor between the engine and the
gearbox (see chapter 2).
If necessary, position and adjust the chassis rein-
forcements (see chapter 2).
54. Check:
- the tightness of the unions and mating face of
the spacer;
- the correct operation of the PowerShuttle and
fuel gauge;
- automatic cab suspension (if fitted - see chapter
12).
Fig. 17
2 1
MA-03-05057A
Fig. 18
D . Service tool
Tool available in AGCO network
• 3378012M2: Protector
MA-03-05019B
Fig. 19
CONTENTS
A . General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
F . Service tool. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
A . General
The GTA1030 engine/transmission link is ensured by
means of a vibration damper.
Overall view
11
10 2
MA-03-05059A
Fig. 1
Removal (Fig. 2)
2. Fit centring tool 3378262M1 home into the vibra-
tion damper and the engine flywheel bearing.
NOTA: This prevents the vibration damper from
falling off. MA-03-05060A
Refitting 10
Final operation
10. Assemble the tractor between the engine and the
gearbox (see chapter 2).
Removal
12. Remove the vibration damper (see § B).
13. Hold the engine flywheel in place with a mobile
crane and suitable sling.
14. Immobilise the engine flywheel using a locally
made tool, as in operation 3.
15. Remove two opposing screws (4) on the engine
flywheel.
Replace with two M12 guide studs.
Remove the remaining screws (4).
16. Move the engine flywheel apart.
Remove the engine flywheel using the previously
mentioned mobile crane and sling.
17. If necessary:
- extract the engine flywheel bearing (10) (see
§ D);
- loosen the guide studs.
Refitting
18. Degrease the mating faces of the engine flywheel
and crankshaft. Dry each face using a jet of 1
compressed air.
19. If removed, screw two diametrically opposed M12
guide studs into the crankshaft. 4
20. Using the same tools as for removal, move the
flywheel close to the engine, resting it against the
crankshaft.
21. For 74 ETA type Sisu engines, position the circular
plate (1) (Fig. 4).
NOTE: 66 ETA type Sisu engines are not fitted with
the circular plate (Fig. 5).
22. Tighten a few screws (4) (Fig. 4and Fig. 5).
Take out the guide studs.
23. Immobilise the engine flywheel as in operation 3. MA-03-05062A
Fig. 4
24. Insert the remaining screws (4).
Tighten all screws (4) to a torque of 150 Nm.
25. Remove the sling.
Release the engine flywheel.
26. If the bearing (10) is defective, replace it with a
new one (see § D).
27. Refit the vibration damper (see § B). 4
Final operation
28. Assemble the tractor between the engine and the
gearbox (see chapter 2).
MA-03-05063A
Fig. 5
Removal
30. Remove the vibration damper (see § B).
31. Extract the sealed bearing (10) (Fig. 6) using a slide
hammer puller. Discard it.
NOTA: The sealed bearing also supports the MA-03-05064A
gearbox input shaft.
Fig. 6
Refitting
32. Clean the sealed bearing recess on the engine
flywheel.
Check inside the bearing housing for filings or E
knocks.
33. Check that the inside cage of the sealed bearing
(10) slides freely on end E of the gearbox input
shaft (Fig. 7).
Fit the new sealed bearing home against the
engine flywheel shoulder using a sleeve made 10
locally to the following dimensions:
- Inside Ø = 55 +0/-0.1 mm;
- Outside Ø = 60 +0.1/-0 mm;
- L = 170 mm.
IMPORTANT: The sleeve protects the sealed bearing
during assembly. It directly applies the fitting load
onto the bearing external diameter.
34. Manually check the rotation of the sealed bearing MA-03-05065A Fig. 7
after fitting.
35. Refit the vibration damper (see § B).
Final operation
36. Assemble the tractor between the engine and the
gearbox (see chapter 2).
Disassembly
38. Remove the vibration damper (see § B).
Ø 5 mm
39. Take off the engine flywheel (see § C).
Position it flat on a workbench.
2
Replacement
40. Drill a hole 16 mm deep in the starter ring gear (2)
using a 5 mm drill bit (Fig. 8).
41. Split the starter ring gear with a suitable chisel.
Release it from the engine flywheel (3) (Fig. 8).
Reassembly
45. Refit the engine flywheel (see § C).
46. Refit the vibration damper (see § B).
3
Final operation
47. Assemble the tractor between the engine and the
gearbox (see chapter 2).
MA-03-05054A
Fig. 8
F . Service tool
Tools available in the AGCO network
• 3378262M1: Vibration damper centring tool (Fig. 9)
MA-03-05066A
Fig. 9
CONTENTS
A . General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
F . Service tool. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
A . General
A vibration damper links the 4-cylinder (Fig. 1) or
6-cylinder (Fig. 2) Sisu engine and the GTA2520 or
GTA1540 transmission.
The vibration damper's torque curve varies depending
on whether the engine has 4 or 6 cylinders.
MA-03-06006A Fig. 2
11
10
MA-03-06008A
Fig. 3
Blown-up view
11
10
MA-03-06007A
Fig. 4
11
10
MA-03-06001A
Fig. 5
Blown-up view
11
10
MA-03-06002A
Fig. 6
Removal 270
7 3378262M1
Refitting
6. Lightly lubricate the vibration damper splines with
270
AS767 grease or equivalent.
MA-03-06010A Fig. 9
Removal
15. Remove the vibration damper (see § B).
16. Hold the engine flywheel in place with a mobile
crane and a suitable sling.
17. Immobilise the engine flywheel using a locally
made tool, as in step 3.
18. Unscrew two diametrically opposed screws (4)
(Fig. 11 or Fig. 12) on the engine flywheel.
Replace with two M12 guide studs.
Unscrew the remaining screws (4).
19. Move the engine flywheel aside.
Remove the engine flywheel using the mobile
crane and sling used earlier.
20. If necessary:
- extract the engine flywheel bearing (10)
(see § D);
- unscrew the M12 guide studs.
Refitting
21. Degrease the mating faces of the engine flywheel
and crankshaft. Dry each face using a jet of
compressed air.
22. If removed, screw two diametrically opposed M12
guide studs into the crankshaft.
4
23. Using the same tools as for removal, move the
flywheel close to the engine, resting it against the
crankshaft.
24. For 74 ETA and 74 CTA type Sisu engines, position
the circular plate (1) (Fig. 11).
1
NOTE: 66 ETA and 66 CTA type Sisu engines do
not have a circular plate (Fig. 12).
25. Tighten a few screws (4) (Fig. 11 and Fig. 12).
Take out the guide studs.
26. Immobilise the engine flywheel as in step 3. MA-03-06011A Fig. 11
27. Fit the remaining screws (4).
Lightly smear the thread of all the screws (4) with
Loctite 270 or equivalent. Tighten these screws to
140 Nm.
28. Remove the sling.
Release the engine flywheel. 4
29. If the bearing (10) is defective, replace it with a
new one (see § D).
30. Refit the vibration damper (see § B).
Final step
31. Reconnect the tractor between the engine and the
gearbox (see chapter 2).
MA-03-06012A Fig. 12
Removal
33. Remove the vibration damper (see § B).
34. Extract the sealed bearing (10) (Fig. 13) using a 10
slide hammer puller. Discard it.
NOTE: The sealed bearing also supports the
gearbox input shaft.
MA-03-06013A Fig. 13
Refitting
35. Clean the sealed bearing cavity on the engine
flywheel. GBA15 GBA25
Check inside the bearing housing for filings or
knocks.
36. Check that the inside cage of the sealed bearing E
(10) slides freely on end E of the gearbox input
shaft (Fig. 14).
Flush fit the new sealed bearing against the engine
flywheel shoulder using a sleeve made locally to
the following dimensions:
E
• For 4-cylinder engines:
- Inside Ø = 46.5 +0/-0.1 mm
- Outside Ø = 50 +0.1/-0 mm
10
- L = 170 mm
• For 6-cylinder engines:
- Inside Ø = 55 +0/-0.1 mm
Fig. 14
- Outside Ø = 60 +0.1/-0 mm MA-03-06014A
- L = 170 mm
IMPORTANT: The sleeve protects the sealed bearing
during assembly. It directly applies the fitting force
onto the external bearing cage.
37. Manually check the rotation of the sealed bearing
after fitting.
38. Refit the vibration damper (see § B).
Final step
39. Reconnect the tractor between the engine and the
gearbox (see chapter 2).
Disassembly
41. Remove the vibration damper (see § B).
Ø 5 mm
42. Remove the engine flywheel (see § C).
Position it flat on a workbench.
2
Replacement
43. Drill a hole 16 mm deep in the starter ring gear (2)
using a 5 mm drill bit (Fig. 15).
44. Split the starter ring gear with a suitable chisel.
Release it from the engine flywheel (3) (Fig. 15).
Reassembly
48. Refit the engine flywheel (see § C).
49. Refit the vibration damper (see § B). 3
Final step
50. Reconnect the tractor between the engine and the
gearbox (see chapter 2).
MA-03-05054A
Fig. 15
F . Service tool
Tool available in the AGCO network
• 3378262M1: Vibration damper centring tool for
6-cylinder Sisu engines (Fig. 16)
• 3378712M1: Vibration damper centring tool for
4-cylinder Sisu engines (Fig. 17)
MA-03-05066A
Fig. 16
MA-03-06015A Fig. 17