This repair manual provides instructions for removing and installing the timing cover on AXION 800 tractors. Key steps include draining fluids, removing engine components to access the cover, cleaning and applying sealant to the mating surfaces, installing the new cover and related components, and tightening fasteners to the specified torques. Safety warnings are provided regarding lifting heavy parts and handling hazardous materials.

1. AXION 850-840-830-810-800
HEXASHIFT
Repair manual
Original repair manual
1/1Couverture RHB AXION 850-800 HEXASHIFT (A60)
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2. Validity of this repair manual
This repair manual applies to the following tractor:
Description Type
Tractor serial number
From to
AXION 800 A60 A6000100 —
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3. Timing cover
Technical specifications
Number Value Note – Description
1 36 kg Timing cover
2 —
Clean and carefully degrease the surface of the cylinder block and the
surface of the timing cover, then coat the joint face with Loctite (510).
3
77 ± 12 N·m
H M12 x 1.75 – 100 bolt Check the condition and
cleanliness of the bolt
threads and the holes
before fitting.
4 H M12 x 1.75 – 78 bolt
5 200 ± 20 N.m H M16 x 1.50 – 80 bolt
6 30 ± 3 N·m M8 bolt
For unspecified tightening torques, refer to the section entitled: "Tightening torques".
WARNING
Lifting heavy components.
Risk of death or serious injury.
– Use lifting equipment that will support the load.
– Use reliable lifting equipment.
– Placer the lifting equipment on the appropriate locations.
Environment!
Lubricants and fuel are harmful to the environment.
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4. Pollution
► Collect lubricants and fuel in appropriate containers; store and dispose of them in accordance with the
regulations in force.
Preparation for work
Consumables to be used
- Sealing and glue product:
Loctite (510) – 60 0500 935 5.
Special tool
Special tool – Reference no.
Flywheel rotating tool
No. 00 1150 142 0
Removal
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5. ► Drain the engine oil.
► Uncouple the engine from the transmission.
► Remove the transport damper.
Transport damper
► Fit the special tool (1) and an 8 mm diameter pin (2).
► Using the special tool and the pin (2), lock the flywheel by aligning the pin (2) with the notch (3) on the
flywheel.
The engine is then immobilised at the top dead centre position of cylinder 1.
► Remove the engine flywheel.
Flywheel
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6. ► Remove the camshaft position sensor "B054" (1).
► Remove the crankshaft rear bearing seal (2).
Crankshaft bearing seals
► Undo and remove the bolts (1) from the sump.
► Undo and remove the bolts (1), (2) and (3) from the timing cover.
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7. ► Remove the timing cover using a suitable lifting tool.
The timing cover weighs 36 kg.
Fitting
Check the condition of the sump and replace it if necessary.
► Carefully clean and degrease the surface of the cylinder block and the surface of the timing cover.
Respect the technical specifications from the overview.
► Coat the joint face with sealing product as shown (1).
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8. ► Fit the timing cover using a suitable lifting tool.
The timing cover weighs 36 kg.
► Fit and tighten the bolts (1) on the sump.
Sump
Respect the technical specifications from the overview.
► Fit and tighten the timing cover bolts (1), (2) and (3) to the recommended torque.
► Fit the crankshaft rear bearing seal (2).
Crankshaft bearing seals
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9. ► Fit the camshaft position sensor "B054" (1).
SensorsFunction:01 Engine
► Fit the engine flywheel.
Flywheel
► Fit the transport damper.
Transport damper
► Couple the engine to the transmission.
Coupling the transmission to the engine
► Fill the engine with oil.
► Perform an operating check.
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10. Sump
Technical specifications
Number Value Note – Description
1 232 kg Sump
2 —
Sump seal.
The surfaces that will come into contact with the seal must be clean
and dry before fitting.
3
70 ± 5 N.m
H M10 x 1.50 – 232 bolt Start by tightening the bolts
manually, then to the
recommended torque from
the centre of the sump
towards the outside.
4 H M10 x 1.50 – 165 bolt
5 H M10 x 1.50 – 88 bolt
6
24 ± 5 N.m
70 ± 5 N.m
H M10 x 1.50 – 261 bolt Two tightening steps.
7
50 ± 5 N.m
H M10 x 1.50 – 165 bolt
8 H M10 x 1.50 – 88 bolt
9
180 ± 27 N.m
+ 90°
12-sided M20 x 1.50 – 80 CL 10.9 bolt Two tightening steps.
10
250 N·m
H M20 x 1.50 – 110 CL 10.9 bolt
Initial bolt tightness in order to press the engine correctly onto the
chassis.
+ 70°
Final bolt tightness after having performed the adjustment.
Adjusting the engine and the front axle chassis
For unspecified tightening torques, refer to the section entitled: "Tightening torques".
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11. 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.
WARNING
Lifting heavy components.
Risk of death or serious injury.
– Use lifting equipment that will support the load.
– Use reliable lifting equipment.
– Placer the lifting equipment on the appropriate locations.
Environment!
Lubricants and fuel are harmful to the environment.
Pollution
► Collect lubricants and fuel in appropriate containers; store and dispose of them in accordance with the
regulations in force.
Removal
► Drain the engine oil.
► Remove the front wheels.
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12. ► Decompress the front axle suspension hydraulic circuit (option).
Decompressing the CARRARO front axle suspension hydraulic circuit
► Decompress the front axle brake circuit (option).
Decompressing the brake circuitFunction:04 Brake
► Detach the hydraulic hoses (1).
► Detach the wiring harness (2).
► Remove the protective panel (3).
► Disconnect the hydraulic hoses (1).
► Remove the hydraulic pipes (2).
► Loosen and remove the bolt (3).
► Detach the wiring harness (1).
► Remove the flanges (2) and (3).
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13. On a DANA front axle:
► Remove the guard (1).
► Disconnect the connectors (2) and (3).
► Disconnect the hydraulic hoses (4) and (5).
On a CARRARO front axle:
► Disconnect the connectors (1).
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14. ► Disconnect the hydraulic hoses (2) and (3).
► Disconnect the engine oil level sensor "B052" (1).
► Remove the hydraulic pipes (1).
► Disconnect the hose (2).
► Remove the transmission shaft (1).
Transmission shaft
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15. ► Undo and remove the bolts (1).
► Remove the support (2).
► Remove the blanking cover (1).
Auxiliary tool Quantity
1 M6 threaded rod 1
2 Thick washer 1
3 Nut 2
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17. ► Using the auxiliary tool (1), remove the centring pin (2) from the front chassis.
► Chock the tractor under the front chassis and the transmission.
► Undo and remove the bolts (1) and (2).
► Place a lifting table under the sump.
► Undo and remove the bolts (1).
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18. ► Undo and remove the bolts (1).
► Remove and mark the adjustment shims (2).
► Remove the sump using the lifting table.
The sump weighs 232 kg.
► Dispose of the sump seal.
Fitting
► Fit a new seal on the sump.
► Fit the sump under the engine using a lifting table.
The sump weighs 232 kg.
Respect the technical specifications from the overview.
► Fit and tighten the bolts (1) and (2) to the recommended torque.
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19. ► Secure the engine with the front chassis (1).
Adjusting the engine and the front axle chassis
► Using a drift punch, fit the centring pin (3) in the front chassis.
Respect the technical specifications from the overview.
► Fit and tighten the bolts (1) to the recommended torque.
Respect the technical specifications from the overview.
► Fit and tighten the bolts (1) to the recommended torque.
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